ced-3

UniProt ID: P42573
Organism: Caenorhabditis elegans
Review Status: COMPLETE
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Gene Description

CED-3 is the canonical C. elegans apoptotic caspase, a C14-family Asp-directed cysteine endopeptidase synthesized as an inactive zymogen and activated by CED-4-apoptosome-mediated dimerization and autoproteolysis. Active CED-3 cleaves execution substrates such as DCR-1, CED-8, CNT-1, FEM-1, and DRP-1 to drive apoptotic DNA fragmentation, phosphatidylserine exposure, organelle remodeling, and suppression of AKT survival signaling. CED-3 is also used in limited, non-apoptotic proteolysis, notably GSNL-1 activation during synapse pruning and LIN-14/LIN-28/DISL-2 cleavage during heterochronic developmental control; these nonlethal outputs reuse the caspase catalytic activity in restricted cellular contexts.

Existing Annotations Review

GO Term Evidence Action Reason
GO:0004175 endopeptidase activity
IDA
PMID:16208361
Structure of the CED-4-CED-9 complex provides insights into ...
MODIFY
Summary: CED-3 is a caspase-family cysteine endopeptidase; endopeptidase activity is correct but too broad.
Reason: Use the caspase-specific cysteine-type endopeptidase term for CED-3 rather than the generic endopeptidase parent.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IBA
GO_REF:0000033
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IDA
PMID:10764728
The Caenorhabditis elegans sex determination protein FEM-1 i...
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IDA
PMID:18722182
Caenorhabditis elegans drp-1 and fis-2 regulate distinct cel...
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IDA
PMID:20223951
Caspase-dependent conversion of Dicer ribonuclease into a de...
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IDA
PMID:24225442
Caspase-mediated activation of Caenorhabditis elegans CED-8 ...
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IDA
PMID:25383666
Caspase-activated phosphoinositide binding by CNT-1 promotes...
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IDA
PMID:8631956
Protease activity of in vitro transcribed and translated Cae...
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IDA
PMID:8654923
The Caenorhabditis elegans cell-death protein CED-3 is a cys...
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IDA
PMID:9285582
Role of CED-4 in the activation of CED-3.
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IDA
PMID:9384385
Caenorhabditis elegans CED-9 protein is a bifunctional cell-...
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IEA
GO_REF:0000002
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IMP
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IMP
PMID:26074078
The Cell Death Pathway Regulates Synapse Elimination through...
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IMP
PMID:27723735
Regulation of CED-3 caspase localization and activation by C...
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0004197 cysteine-type endopeptidase activity
IMP
PMID:9857046
Identification of multiple Caenorhabditis elegans caspases a...
ACCEPT
Summary: CED-3 enables cysteine-type endopeptidase activity as the C. elegans apoptotic caspase.
Reason: Direct biochemical and substrate-cleavage studies, and conserved caspase-domain inference, all support this core molecular function.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0005515 protein binding
IPI
PMID:10101135
C. elegans MAC-1, an essential member of the AAA family of A...
MODIFY
Summary: This row captures CED-4 apoptosome recruitment but uses the uninformative generic protein binding term.
Reason: CED-3 binds CED-4 through apoptosome-recruitment contacts; replace generic protein binding with the more informative CARD domain binding molecular function.
Proposed replacements: CARD domain binding
GO:0005515 protein binding
IPI
PMID:10101135
C. elegans MAC-1, an essential member of the AAA family of A...
REMOVE
Summary: This row captures a specific CED-3 interactor but uses the uninformative generic protein binding term.
Reason: MAC-1 regulates the CED-4 apoptosome; this row does not capture a direct or informative CED-3 molecular function, so the generic GO:0005515 assertion should not be retained.
GO:0005515 protein binding
IPI
PMID:11114722
The C. elegans orthologue ceBNIP3 interacts with CED-9 and C...
REMOVE
Summary: This row captures a specific CED-3 interactor but uses the uninformative generic protein binding term.
Reason: DCT-1 acts upstream at mitochondria through CED-9 and CED-4; this context-specific genetic/regulatory connection is not a standalone CED-3 protein-binding function.
GO:0005515 protein binding
IPI
PMID:16938876
Matefin/SUN-1 is a nuclear envelope receptor for CED-4 durin...
MODIFY
Summary: This row captures CED-4 apoptosome recruitment but uses the uninformative generic protein binding term.
Reason: CED-3 binds CED-4 through apoptosome-recruitment contacts; replace generic protein binding with the more informative CARD domain binding molecular function.
Proposed replacements: CARD domain binding
GO:0005515 protein binding
IPI
PMID:18776901
Inhibition of CED-3 zymogen activation and apoptosis in Caen...
REMOVE
Summary: This row captures a specific CED-3 interactor but uses the uninformative generic protein binding term.
Reason: CSP-3 is a caspase-like inhibitor that binds and restrains the CED-3 zymogen; generic GO:0005515 does not add a specific CED-3 function beyond the accepted autoprocessing and inhibitor-regulation rows.
GO:0005515 protein binding
IPI
PMID:18776901
Inhibition of CED-3 zymogen activation and apoptosis in Caen...
REMOVE
Summary: This row captures a specific CED-3 interactor but uses the uninformative generic protein binding term.
Reason: CED-9 was assayed as a CED-3 substrate in this CSP-3 study; generic GO:0005515 adds no specific CED-3 function beyond its cysteine endopeptidase activity toward apoptotic substrates.
GO:0005515 protein binding
IPI
PMID:19575016
Caenorhabditis elegans caspase homolog CSP-2 inhibits CED-3 ...
REMOVE
Summary: This row captures a specific CED-3 interactor but uses the uninformative generic protein binding term.
Reason: CSP-2 is a germline caspase-like inhibitor that binds and restrains the CED-3 zymogen; this regulator interaction is not a standalone CED-3 protein-binding function.
GO:0005515 protein binding
IPI
PMID:20434985
Crystal structure of the Caenorhabditis elegans apoptosome r...
MODIFY
Summary: This row captures CED-4 apoptosome recruitment but uses the uninformative generic protein binding term.
Reason: CED-3 binds CED-4 through apoptosome-recruitment contacts; replace generic protein binding with the more informative CARD domain binding molecular function.
Proposed replacements: CARD domain binding
GO:0005515 protein binding
IPI
PMID:24065769
Mechanistic insights into CED-4-mediated activation of CED-3...
MODIFY
Summary: This row captures CED-4 apoptosome recruitment but uses the uninformative generic protein binding term.
Reason: CED-3 binds CED-4 through apoptosome-recruitment contacts; replace generic protein binding with the more informative CARD domain binding molecular function.
Proposed replacements: CARD domain binding
GO:0005515 protein binding
IPI
PMID:27723735
Regulation of CED-3 caspase localization and activation by C...
REMOVE
Summary: This row captures a specific CED-3 interactor but uses the uninformative generic protein binding term.
Reason: NPP-14 tethers CED-3 zymogen to the nuclear membrane and inhibits autoactivation; the CED-3 side is captured by its autoprocessing, protease-activity, and perinuclear-localization terms rather than generic protein binding.
GO:0005515 protein binding
IPI
PMID:9027312
Interaction of CED-4 with CED-3 and CED-9: a molecular frame...
MODIFY
Summary: This row captures CED-4 apoptosome recruitment but uses the uninformative generic protein binding term.
Reason: CED-3 binds CED-4 through apoptosome-recruitment contacts; replace generic protein binding with the more informative CARD domain binding molecular function.
Proposed replacements: CARD domain binding
GO:0005515 protein binding
IPI
PMID:9027312
Interaction of CED-4 with CED-3 and CED-9: a molecular frame...
REMOVE
Summary: This row captures a specific CED-3 interactor but uses the uninformative generic protein binding term.
Reason: CED-9 was assayed as a CED-3 substrate or upstream death regulator; generic GO:0005515 adds no specific function beyond CED-3 protease activity and the ced-9/ced-4/ced-3 apoptosis pathway.
GO:0005515 protein binding
IPI
PMID:9109415
Direct physical interaction between the Caenorhabditis elega...
MODIFY
Summary: The early CED-3-CED-4 interaction paper supports CARD-mediated adaptor binding, not generic protein binding.
Reason: CED-3 and CED-4 prodomain/CARD-family regions mediate caspase adaptor recruitment, so CARD domain binding is the more informative molecular-function child.
Proposed replacements: CARD domain binding
Supporting Evidence:
PMID:9109415
CED-4 was found to interact with CED-3.
GO:0005515 protein binding
IPI
PMID:9261161
Interaction and regulation of the Caenorhabditis elegans dea...
MODIFY
Summary: This row captures CED-4 apoptosome recruitment but uses the uninformative generic protein binding term.
Reason: CED-3 binds CED-4 through apoptosome-recruitment contacts; replace generic protein binding with the more informative CARD domain binding molecular function.
Proposed replacements: CARD domain binding
GO:0005515 protein binding
IPI
PMID:9261161
Interaction and regulation of the Caenorhabditis elegans dea...
REMOVE
Summary: This row captures a specific CED-3 interactor but uses the uninformative generic protein binding term.
Reason: CED-9 was assayed as a CED-3 substrate or upstream death regulator; generic GO:0005515 adds no specific function beyond CED-3 protease activity and the ced-9/ced-4/ced-3 apoptosis pathway.
GO:0005515 protein binding
IPI
PMID:9651369
The death inhibitory molecules CED-9 and CED-4L use a common...
MODIFY
Summary: This row captures CED-4 apoptosome recruitment but uses the uninformative generic protein binding term.
Reason: CED-3 binds CED-4 through apoptosome-recruitment contacts; replace generic protein binding with the more informative CARD domain binding molecular function.
Proposed replacements: CARD domain binding
GO:0005515 protein binding
IPI
PMID:9651369
The death inhibitory molecules CED-9 and CED-4L use a common...
MODIFY
Summary: This row captures CED-4 apoptosome recruitment but uses the uninformative generic protein binding term.
Reason: CED-3 binds CED-4 through apoptosome-recruitment contacts; replace generic protein binding with the more informative CARD domain binding molecular function.
Proposed replacements: CARD domain binding
GO:0005515 protein binding
IPI
PMID:9824163
Regulation of apoptosis by a Caenorhabditis elegans BNIP3 ho...
REMOVE
Summary: This row captures a specific CED-3 interactor but uses the uninformative generic protein binding term.
Reason: DCT-1/BNIP3 acts upstream at mitochondria through CED-9 and CED-4; this context-specific genetic or regulatory connection is not a standalone CED-3 protein-binding function.
GO:0005737 cytoplasm
EXP
PMID:27723735
Regulation of CED-3 caspase localization and activation by C...
ACCEPT
Summary: CED-3 is cytoplasmic/perinuclear before apoptotic activation.
Reason: NPP-14 and CED-4 regulation studies localize the CED-3 zymogen to cytoplasmic/perinuclear pools in germ cells and are consistent with conserved caspase cytosolic activity.
Supporting Evidence:
PMID:27723735
The nuclear-pore protein NPP-14 interacts with the CED-3 zymogen prodomain, colocalizes with CED-3 in vivo and inhibits CED-3 autoactivation in vitro.
GO:0005737 cytoplasm
IBA
GO_REF:0000033
ACCEPT
Summary: CED-3 is cytoplasmic/perinuclear before apoptotic activation.
Reason: NPP-14 and CED-4 regulation studies localize the CED-3 zymogen to cytoplasmic/perinuclear pools in germ cells and are consistent with conserved caspase cytosolic activity.
Supporting Evidence:
PMID:27723735
The nuclear-pore protein NPP-14 interacts with the CED-3 zymogen prodomain, colocalizes with CED-3 in vivo and inhibits CED-3 autoactivation in vitro.
GO:0005737 cytoplasm
IEA
GO_REF:0000044
ACCEPT
Summary: CED-3 is cytoplasmic/perinuclear before apoptotic activation.
Reason: NPP-14 and CED-4 regulation studies localize the CED-3 zymogen to cytoplasmic/perinuclear pools in germ cells and are consistent with conserved caspase cytosolic activity.
Supporting Evidence:
PMID:27723735
The nuclear-pore protein NPP-14 interacts with the CED-3 zymogen prodomain, colocalizes with CED-3 in vivo and inhibits CED-3 autoactivation in vitro.
GO:0005739 mitochondrion
IDA
PMID:26074078
The Cell Death Pathway Regulates Synapse Elimination through...
KEEP AS NON CORE
Summary: CED-3 is observed near axonal mitochondria during its non-apoptotic synapse-pruning function.
Reason: Mitochondrial localization is a real, local synapse-elimination context from the GSNL-1 pathway, but not the central apoptotic-execution localization.
GO:0005739 mitochondrion
IEA
GO_REF:0000044
KEEP AS NON CORE
Summary: CED-3 is observed near axonal mitochondria during its non-apoptotic synapse-pruning function.
Reason: Mitochondrial localization is a real, local synapse-elimination context from the GSNL-1 pathway, but not the central apoptotic-execution localization.
GO:0006508 proteolysis
IBA
GO_REF:0000033
ACCEPT
Summary: CED-3 directly performs limited proteolysis of itself and downstream substrates.
Reason: The broad proteolysis term is correct because CED-3 cleaves protein substrates in apoptosis and in non-apoptotic developmental contexts.
Supporting Evidence:
PMID:20223951
DCR-1 was cleaved by the CED-3 caspase to generate a C-terminal fragment with deoxyribonuclease activity, which produced 3' hydroxyl DNA breaks on chromosomes and promoted apoptosis.
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:0006508 proteolysis
IEA
GO_REF:0000002
ACCEPT
Summary: CED-3 directly performs limited proteolysis of itself and downstream substrates.
Reason: The broad proteolysis term is correct because CED-3 cleaves protein substrates in apoptosis and in non-apoptotic developmental contexts.
Supporting Evidence:
PMID:20223951
DCR-1 was cleaved by the CED-3 caspase to generate a C-terminal fragment with deoxyribonuclease activity, which produced 3' hydroxyl DNA breaks on chromosomes and promoted apoptosis.
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:0006508 proteolysis
IMP
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
ACCEPT
Summary: CED-3 directly performs limited proteolysis of itself and downstream substrates.
Reason: The broad proteolysis term is correct because CED-3 cleaves protein substrates in apoptosis and in non-apoptotic developmental contexts.
Supporting Evidence:
PMID:20223951
DCR-1 was cleaved by the CED-3 caspase to generate a C-terminal fragment with deoxyribonuclease activity, which produced 3' hydroxyl DNA breaks on chromosomes and promoted apoptosis.
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:0006915 apoptotic process
IBA
GO_REF:0000033
MODIFY
Summary: CED-3 participates in apoptotic execution rather than only a generic apoptotic process.
Reason: CED-3 is the cell-killing caspase that executes the worm canonical apoptosis pathway after activation by CED-4; the execution-phase child is the better process term.
Propagation Review
Root cause: TERM SCOPING PROBLEM
Failure modes: GRANULARITY MISMATCH
Sources checked:
PANTHER:PTN000047947 Β· caspase-family PAINT node SUPPORTS TRANSFER
The family inference supports apoptotic caspase function, but CED-3 should be curated to the execution phase rather than only the top-level apoptotic process parent.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0006915 apoptotic process
IGI
PMID:10101135
C. elegans MAC-1, an essential member of the AAA family of A...
MODIFY
Summary: CED-3 participates in apoptotic execution rather than only a generic apoptotic process.
Reason: CED-3 is the cell-killing caspase that executes the worm canonical apoptosis pathway after activation by CED-4; the execution-phase child is the better process term.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0006915 apoptotic process
IGI
PMID:10101135
C. elegans MAC-1, an essential member of the AAA family of A...
MODIFY
Summary: CED-3 participates in apoptotic execution rather than only a generic apoptotic process.
Reason: CED-3 is the cell-killing caspase that executes the worm canonical apoptosis pathway after activation by CED-4; the execution-phase child is the better process term.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0006915 apoptotic process
IMP
PMID:11226309
Programmed cell death mediated by ced-3 and ced-4 protects C...
MODIFY
Summary: CED-3 participates in apoptotic execution rather than only a generic apoptotic process.
Reason: CED-3 is the cell-killing caspase that executes the worm canonical apoptosis pathway after activation by CED-4; the execution-phase child is the better process term.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0006915 apoptotic process
IMP
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
MODIFY
Summary: CED-3 participates in apoptotic execution rather than only a generic apoptotic process.
Reason: CED-3 is the cell-killing caspase that executes the worm canonical apoptosis pathway after activation by CED-4; the execution-phase child is the better process term.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0006915 apoptotic process
IMP
PMID:27723735
Regulation of CED-3 caspase localization and activation by C...
MODIFY
Summary: CED-3 participates in apoptotic execution rather than only a generic apoptotic process.
Reason: CED-3 is the cell-killing caspase that executes the worm canonical apoptosis pathway after activation by CED-4; the execution-phase child is the better process term.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0006915 apoptotic process
IMP
PMID:3955651
Genetic control of programmed cell death in the nematode C. ...
MODIFY
Summary: CED-3 participates in apoptotic execution rather than only a generic apoptotic process.
Reason: CED-3 is the cell-killing caspase that executes the worm canonical apoptosis pathway after activation by CED-4; the execution-phase child is the better process term.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0006915 apoptotic process
IMP
PMID:9604928
The C. elegans protein EGL-1 is required for programmed cell...
MODIFY
Summary: CED-3 participates in apoptotic execution rather than only a generic apoptotic process.
Reason: CED-3 is the cell-killing caspase that executes the worm canonical apoptosis pathway after activation by CED-4; the execution-phase child is the better process term.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0008047 enzyme activator activity
IBA
GO_REF:0000033
REMOVE
Summary: Proteolytic cleavage of substrates should not be represented as a separate enzyme activator molecular function.
Reason: CED-3 is the cysteine endopeptidase that cleaves protein substrates; downstream activation of substrates such as DCR-1, CED-8, or GSNL-1 is a consequence of proteolysis, not an independent enzyme activator activity.
Propagation Review
Root cause: TERM SCOPING PROBLEM
Failure modes: ROLE CONFLATION
Sources checked:
PANTHER:PTN002235080 Β· caspase-family PAINT node SUPPORTS SOURCE BUT NOT TARGET
The node captures caspase-mediated cleavage but scopes it as a regulatory MF rather than CED-3 protease activity.
GO:0008234 cysteine-type peptidase activity
IEA
GO_REF:0000002
MODIFY
Summary: Cysteine-type peptidase activity is true but less specific than cysteine-type endopeptidase activity.
Reason: The mapped InterPro family is a C14 caspase endopeptidase family; GO:0004197 captures the activity more precisely.
Propagation Review
Root cause: TERM SCOPING PROBLEM
Failure modes: GRANULARITY MISMATCH
Sources checked:
InterPro:IPR015917 Β· peptidase C14 caspase domain SUPPORTS TRANSFER
The InterPro signature supports a caspase endopeptidase but maps to an avoidably broad cysteine-type peptidase term.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0008303 caspase complex
IDA
PMID:10101135
C. elegans MAC-1, an essential member of the AAA family of A...
ACCEPT
Summary: CED-3 binds the octameric CED-4 apoptosome to form the CED-3 activation complex.
Reason: Structural and biochemical data show that CED-4 recruits CED-3 zymogens and retains processed CED-3 as a CED-4-CED-3 holoenzyme.
Supporting Evidence:
PMID:24065769
CED-4 forms an octameric apoptosome, which binds the CED-3 zymogen and facilitates its autocatalytic maturation.
GO:0008303 caspase complex
IDA
PMID:24065769
Mechanistic insights into CED-4-mediated activation of CED-3...
ACCEPT
Summary: CED-3 binds the octameric CED-4 apoptosome to form the CED-3 activation complex.
Reason: Structural and biochemical data show that CED-4 recruits CED-3 zymogens and retains processed CED-3 as a CED-4-CED-3 holoenzyme.
Supporting Evidence:
PMID:24065769
CED-4 forms an octameric apoptosome, which binds the CED-3 zymogen and facilitates its autocatalytic maturation.
GO:0008303 caspase complex
IMP
PMID:24065769
Mechanistic insights into CED-4-mediated activation of CED-3...
ACCEPT
Summary: CED-3 binds the octameric CED-4 apoptosome to form the CED-3 activation complex.
Reason: Structural and biochemical data show that CED-4 recruits CED-3 zymogens and retains processed CED-3 as a CED-4-CED-3 holoenzyme.
Supporting Evidence:
PMID:24065769
CED-4 forms an octameric apoptosome, which binds the CED-3 zymogen and facilitates its autocatalytic maturation.
GO:0008656 cysteine-type endopeptidase activator activity involved in apoptotic process
IMP
PMID:24065769
Mechanistic insights into CED-4-mediated activation of CED-3...
MODIFY
Summary: The CED-4-mediated activation paper supports apoptosome-stimulated CED-3 autoprocessing.
Reason: Within the CED-4 apoptosome, CED-3 zymogens mature by trans-autoprocessing; replace the broad activator molecular function with the directly supported protein autoprocessing process.
Proposed replacements: protein autoprocessing
GO:0009792 embryo development ending in birth or egg hatching
IGI
PMID:21502138
Shared developmental roles and transcriptional control of au...
UNDECIDED
Summary: The autophagy/apoptosis developmental interaction is too distal for a confident ced-3 embryo-development assertion from cached evidence.
Reason: The row derives from an abstract-only genetic interaction around ATF-2, autophagy, and apoptosis; leave the exact broad embryo-development process for full-text worm curation.
GO:0009792 embryo development ending in birth or egg hatching
IGI
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
UNDECIDED
Summary: The miRNA enhancer paper supports CED-3 cleavage of developmental regulators but not this exact embryo-development endpoint from the cached abstract.
Reason: The source establishes non-apoptotic CED-3 proteolysis of heterochronic/miRNA targets; keep the broad embryogenesis row undecided until full evidence for embryo development ending in hatching is checked.
Supporting Evidence:
PMID:25432023
We provide evidence for a non-apoptotic function of CED-3 caspase that regulates multiple developmental events through proteolytic inactivation.
GO:0010954 positive regulation of protein processing
IMP
PMID:26074078
The Cell Death Pathway Regulates Synapse Elimination through...
MODIFY
Summary: The GSNL-1 row should describe synapse pruning rather than positive regulation of protein processing.
Reason: CED-3 cleaves GSNL-1 in the RME-neuron pathway that removes transient presynaptic clusters; the biological process is synapse pruning, with GSNL-1 processing as the molecular step.
Supporting Evidence:
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:0012501 programmed cell death
IMP
PMID:17237514
DPL-1 DP, LIN-35 Rb and EFL-1 E2F act with the MCD-1 zinc-fi...
MODIFY
Summary: Programmed cell death is too broad for the canonical CED-3 executioner role.
Reason: CED-3 is specifically the executor caspase downstream of the egl-1/ced-9/ced-4 activation module, so execution phase of apoptosis is the more precise term.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0016020 membrane
IDA
PMID:9651369
The death inhibitory molecules CED-9 and CED-4L use a common...
UNDECIDED
Summary: The cached CED-4L/CED-9 abstract supports CED-3 processing control but does not establish CED-3 membrane localization.
Reason: CED-9 and CED-4 are membrane-associated regulators, but the abstract-only CED-4L study does not show that CED-3 itself is located at a membrane.
GO:0016540 protein autoprocessing
IDA
PMID:16208361
Structure of the CED-4-CED-9 complex provides insights into ...
ACCEPT
Summary: CED-3 zymogen activation uses autocatalytic proteolytic processing.
Reason: Biochemical reconstitution and inhibitor studies support CED-3 self-processing, which is accelerated by the CED-4 apoptosome and restrained by CSP-2, CSP-3, or NPP-14.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
PMID:24065769
CED-4 forms an octameric apoptosome, which binds the CED-3 zymogen and facilitates its autocatalytic maturation.
GO:0016540 protein autoprocessing
IDA
PMID:18776901
Inhibition of CED-3 zymogen activation and apoptosis in Caen...
ACCEPT
Summary: CED-3 zymogen activation uses autocatalytic proteolytic processing.
Reason: Biochemical reconstitution and inhibitor studies support CED-3 self-processing, which is accelerated by the CED-4 apoptosome and restrained by CSP-2, CSP-3, or NPP-14.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
PMID:24065769
CED-4 forms an octameric apoptosome, which binds the CED-3 zymogen and facilitates its autocatalytic maturation.
GO:0016540 protein autoprocessing
IDA
PMID:19575016
Caenorhabditis elegans caspase homolog CSP-2 inhibits CED-3 ...
ACCEPT
Summary: CED-3 zymogen activation uses autocatalytic proteolytic processing.
Reason: Biochemical reconstitution and inhibitor studies support CED-3 self-processing, which is accelerated by the CED-4 apoptosome and restrained by CSP-2, CSP-3, or NPP-14.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
PMID:24065769
CED-4 forms an octameric apoptosome, which binds the CED-3 zymogen and facilitates its autocatalytic maturation.
GO:0016540 protein autoprocessing
IDA
PMID:9857046
Identification of multiple Caenorhabditis elegans caspases a...
ACCEPT
Summary: CED-3 zymogen activation uses autocatalytic proteolytic processing.
Reason: Biochemical reconstitution and inhibitor studies support CED-3 self-processing, which is accelerated by the CED-4 apoptosome and restrained by CSP-2, CSP-3, or NPP-14.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
PMID:24065769
CED-4 forms an octameric apoptosome, which binds the CED-3 zymogen and facilitates its autocatalytic maturation.
GO:0016540 protein autoprocessing
IMP
PMID:24065769
Mechanistic insights into CED-4-mediated activation of CED-3...
ACCEPT
Summary: CED-3 zymogen activation uses autocatalytic proteolytic processing.
Reason: Biochemical reconstitution and inhibitor studies support CED-3 self-processing, which is accelerated by the CED-4 apoptosome and restrained by CSP-2, CSP-3, or NPP-14.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
PMID:24065769
CED-4 forms an octameric apoptosome, which binds the CED-3 zymogen and facilitates its autocatalytic maturation.
GO:0016540 protein autoprocessing
IMP
PMID:27723735
Regulation of CED-3 caspase localization and activation by C...
ACCEPT
Summary: CED-3 zymogen activation uses autocatalytic proteolytic processing.
Reason: Biochemical reconstitution and inhibitor studies support CED-3 self-processing, which is accelerated by the CED-4 apoptosome and restrained by CSP-2, CSP-3, or NPP-14.
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
PMID:24065769
CED-4 forms an octameric apoptosome, which binds the CED-3 zymogen and facilitates its autocatalytic maturation.
GO:0030042 actin filament depolymerization
IMP
PMID:26074078
The Cell Death Pathway Regulates Synapse Elimination through...
MODIFY
Summary: CED-3 promotes actin disassembly indirectly by proteolytically activating GSNL-1 during synapse pruning.
Reason: GSNL-1 is the actin-severing effector; CED-3 acts upstream by cleaving GSNL-1, so positive regulation of synapse pruning is the more faithful process term for this row.
Supporting Evidence:
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:0030155 regulation of cell adhesion
IMP
PMID:22801495
Programmed elimination of cells by caspase-independent cell ...
MARK AS OVER ANNOTATED
Summary: The cell-adhesion phenotype belongs to a caspase-independent shedding pathway in cells that survive ced-3 loss.
Reason: The paper identifies PAR-4/STRD-1/MOP-25 and PIG-1 as the shedding-cell detachment machinery; it does not place CED-3 as a direct regulator of cell adhesion.
Supporting Evidence:
PMID:22801495
PIG-1 promotes shed-cell detachment by preventing the cell-surface expression of cell-adhesion molecules.
GO:0030163 protein catabolic process
IDA
PMID:10764728
The Caenorhabditis elegans sex determination protein FEM-1 i...
MODIFY
Summary: Protein catabolic process is too broad and degradative for limited CED-3 substrate cleavage.
Reason: CED-3 performs limited caspase proteolysis rather than bulk protein catabolism, so GO:0006508 proteolysis is the better process parent.
Proposed replacements: proteolysis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0030163 protein catabolic process
IDA
PMID:8631956
Protease activity of in vitro transcribed and translated Cae...
MODIFY
Summary: Protein catabolic process is too broad and degradative for limited CED-3 substrate cleavage.
Reason: CED-3 performs limited caspase proteolysis rather than bulk protein catabolism, so GO:0006508 proteolysis is the better process parent.
Proposed replacements: proteolysis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0030163 protein catabolic process
IDA
PMID:8654923
The Caenorhabditis elegans cell-death protein CED-3 is a cys...
MODIFY
Summary: Protein catabolic process is too broad and degradative for limited CED-3 substrate cleavage.
Reason: CED-3 performs limited caspase proteolysis rather than bulk protein catabolism, so GO:0006508 proteolysis is the better process parent.
Proposed replacements: proteolysis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0030163 protein catabolic process
IDA
PMID:9285582
Role of CED-4 in the activation of CED-3.
MODIFY
Summary: Protein catabolic process is too broad and degradative for limited CED-3 substrate cleavage.
Reason: CED-3 performs limited caspase proteolysis rather than bulk protein catabolism, so GO:0006508 proteolysis is the better process parent.
Proposed replacements: proteolysis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0031647 regulation of protein stability
IGI
PMID:24285704
Maintenance of muscle myosin levels in adult C. elegans requ...
UNDECIDED
Summary: The muscle-myosin phenotype is caspase dependent but the cached abstract does not show the direct CED-3 substrate or stability step.
Reason: The study connects adult myosin depletion in bet-1;sumo-1 mutants to caspase activity and MEK signaling, but this source does not justify a direct CED-3 regulation-of-protein-stability annotation.
GO:0031965 nuclear membrane
EXP
PMID:27723735
Regulation of CED-3 caspase localization and activation by C...
ACCEPT
Summary: CED-3 localizes to the nuclear membrane/perinuclear region in germ cells.
Reason: The NPP-14 study directly places the CED-3 zymogen at the nuclear membrane and shows that this localization restrains autoactivation.
Supporting Evidence:
PMID:27723735
The nuclear-pore protein NPP-14 interacts with the CED-3 zymogen prodomain, colocalizes with CED-3 in vivo and inhibits CED-3 autoactivation in vitro.
GO:0031965 nuclear membrane
IEA
GO_REF:0000044
ACCEPT
Summary: Nuclear-membrane localization is a real but context-specific regulatory localization for the CED-3 zymogen.
Reason: The UniProt SubCell transfer is consistent with the NPP-14 germline study, which directly localizes the CED-3 zymogen to the nuclear membrane/perinuclear region and connects that pool to zymogen restraint.
Supporting Evidence:
PMID:27723735
The nuclear-pore protein NPP-14 interacts with the CED-3 zymogen prodomain, colocalizes with CED-3 in vivo and inhibits CED-3 autoactivation in vitro.
GO:0040012 regulation of locomotion
IGI
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
UNDECIDED
Summary: The miRNA enhancer study supports non-apoptotic developmental proteolysis but not this exact organismal endpoint from cached evidence.
Reason: CED-3 cleavage of LIN-14, LIN-28, and DISL-2 plausibly affects locomotion and vulval-development phenotypes in sensitized animals, but this exact row needs the full genetic context checked.
Supporting Evidence:
PMID:25432023
We provide evidence for a non-apoptotic function of CED-3 caspase that regulates multiple developmental events through proteolytic inactivation.
GO:0040028 regulation of vulval development
IGI
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
UNDECIDED
Summary: The miRNA enhancer study supports non-apoptotic developmental proteolysis but not this exact organismal endpoint from cached evidence.
Reason: CED-3 cleavage of LIN-14, LIN-28, and DISL-2 plausibly affects locomotion and vulval-development phenotypes in sensitized animals, but this exact row needs the full genetic context checked.
Supporting Evidence:
PMID:25432023
We provide evidence for a non-apoptotic function of CED-3 caspase that regulates multiple developmental events through proteolytic inactivation.
GO:0040034 regulation of development, heterochronic
IGI
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
KEEP AS NON CORE
Summary: CED-3 has a non-apoptotic role in developmental timing and cell-fate robustness through limited proteolysis of miRNA pathway targets.
Reason: The miRNA enhancer screen supports a direct CED-3 cleavage pathway for LIN-14, LIN-28, and DISL-2, but these larval patterning effects are secondary to the apoptotic caspase core.
Supporting Evidence:
PMID:25432023
We provide evidence for a non-apoptotic function of CED-3 caspase that regulates multiple developmental events through proteolytic inactivation.
GO:0040034 regulation of development, heterochronic
IGI
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
KEEP AS NON CORE
Summary: CED-3 has a non-apoptotic role in developmental timing and cell-fate robustness through limited proteolysis of miRNA pathway targets.
Reason: The miRNA enhancer screen supports a direct CED-3 cleavage pathway for LIN-14, LIN-28, and DISL-2, but these larval patterning effects are secondary to the apoptotic caspase core.
Supporting Evidence:
PMID:25432023
We provide evidence for a non-apoptotic function of CED-3 caspase that regulates multiple developmental events through proteolytic inactivation.
GO:0040034 regulation of development, heterochronic
IGI
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
KEEP AS NON CORE
Summary: CED-3 has a non-apoptotic role in developmental timing and cell-fate robustness through limited proteolysis of miRNA pathway targets.
Reason: The miRNA enhancer screen supports a direct CED-3 cleavage pathway for LIN-14, LIN-28, and DISL-2, but these larval patterning effects are secondary to the apoptotic caspase core.
Supporting Evidence:
PMID:25432023
We provide evidence for a non-apoptotic function of CED-3 caspase that regulates multiple developmental events through proteolytic inactivation.
GO:0040034 regulation of development, heterochronic
IGI
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
KEEP AS NON CORE
Summary: CED-3 has a non-apoptotic role in developmental timing and cell-fate robustness through limited proteolysis of miRNA pathway targets.
Reason: The miRNA enhancer screen supports a direct CED-3 cleavage pathway for LIN-14, LIN-28, and DISL-2, but these larval patterning effects are secondary to the apoptotic caspase core.
Supporting Evidence:
PMID:25432023
We provide evidence for a non-apoptotic function of CED-3 caspase that regulates multiple developmental events through proteolytic inactivation.
GO:0042659 regulation of cell fate specification
IGI
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
KEEP AS NON CORE
Summary: CED-3 has a non-apoptotic role in developmental timing and cell-fate robustness through limited proteolysis of miRNA pathway targets.
Reason: The miRNA enhancer screen supports a direct CED-3 cleavage pathway for LIN-14, LIN-28, and DISL-2, but these larval patterning effects are secondary to the apoptotic caspase core.
Supporting Evidence:
PMID:25432023
We provide evidence for a non-apoptotic function of CED-3 caspase that regulates multiple developmental events through proteolytic inactivation.
GO:0042659 regulation of cell fate specification
IGI
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
KEEP AS NON CORE
Summary: CED-3 has a non-apoptotic role in developmental timing and cell-fate robustness through limited proteolysis of miRNA pathway targets.
Reason: The miRNA enhancer screen supports a direct CED-3 cleavage pathway for LIN-14, LIN-28, and DISL-2, but these larval patterning effects are secondary to the apoptotic caspase core.
Supporting Evidence:
PMID:25432023
We provide evidence for a non-apoptotic function of CED-3 caspase that regulates multiple developmental events through proteolytic inactivation.
GO:0042659 regulation of cell fate specification
IGI
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
KEEP AS NON CORE
Summary: CED-3 has a non-apoptotic role in developmental timing and cell-fate robustness through limited proteolysis of miRNA pathway targets.
Reason: The miRNA enhancer screen supports a direct CED-3 cleavage pathway for LIN-14, LIN-28, and DISL-2, but these larval patterning effects are secondary to the apoptotic caspase core.
Supporting Evidence:
PMID:25432023
We provide evidence for a non-apoptotic function of CED-3 caspase that regulates multiple developmental events through proteolytic inactivation.
GO:0042659 regulation of cell fate specification
IGI
PMID:25432023
CED-3 caspase acts with miRNAs to regulate non-apoptotic gen...
KEEP AS NON CORE
Summary: CED-3 has a non-apoptotic role in developmental timing and cell-fate robustness through limited proteolysis of miRNA pathway targets.
Reason: The miRNA enhancer screen supports a direct CED-3 cleavage pathway for LIN-14, LIN-28, and DISL-2, but these larval patterning effects are secondary to the apoptotic caspase core.
Supporting Evidence:
PMID:25432023
We provide evidence for a non-apoptotic function of CED-3 caspase that regulates multiple developmental events through proteolytic inactivation.
GO:0042802 identical protein binding
IPI
PMID:18776901
Inhibition of CED-3 zymogen activation and apoptosis in Caen...
ACCEPT
Summary: CED-3 self-association is part of its apoptosome-facilitated activation mechanism.
Reason: The CED-4 apoptosome recruits two CED-3 zymogens and facilitates dimerization and autocatalytic maturation, consistent with direct CED-3 self-association during activation.
Supporting Evidence:
PMID:24065769
CED-4 forms an octameric apoptosome, which binds the CED-3 zymogen and facilitates its autocatalytic maturation.
GO:0042802 identical protein binding
IPI
PMID:20434985
Crystal structure of the Caenorhabditis elegans apoptosome r...
ACCEPT
Summary: CED-3 self-association is part of its apoptosome-facilitated activation mechanism.
Reason: The CED-4 apoptosome recruits two CED-3 zymogens and facilitates dimerization and autocatalytic maturation, consistent with direct CED-3 self-association during activation.
Supporting Evidence:
PMID:24065769
CED-4 forms an octameric apoptosome, which binds the CED-3 zymogen and facilitates its autocatalytic maturation.
GO:0042981 regulation of apoptotic process
IEA
GO_REF:0000002
MODIFY
Summary: A generic regulation-of-apoptosis IEA row should be narrowed to CED-3 execution.
Reason: The caspase-family InterPro signature supports apoptotic caspase function, but CED-3 is the executioner protease rather than a signless generic apoptosis regulator.
Propagation Review
Root cause: TERM SCOPING PROBLEM
Failure modes: GRANULARITY MISMATCH
Sources checked:
InterPro:IPR001315 Β· peptidase C14A caspase catalytic subunit p20 SUPPORTS TRANSFER
The electronic domain mapping supports a caspase process annotation but used a broad regulatory parent.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:0043025 neuronal cell body
IDA
PMID:26074078
The Cell Death Pathway Regulates Synapse Elimination through...
KEEP AS NON CORE
Summary: This neuronal compartment is part of the local, non-apoptotic CED-3 synapse-pruning pathway.
Reason: CED-3 localizes with axonal mitochondria and presynaptic material in RME neurons during GSNL-1-dependent synapse elimination; this is real but separate from bulk apoptotic execution.
Supporting Evidence:
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:0043204 perikaryon
EXP
PMID:26074078
The Cell Death Pathway Regulates Synapse Elimination through...
KEEP AS NON CORE
Summary: This neuronal compartment is part of the local, non-apoptotic CED-3 synapse-pruning pathway.
Reason: CED-3 localizes with axonal mitochondria and presynaptic material in RME neurons during GSNL-1-dependent synapse elimination; this is real but separate from bulk apoptotic execution.
Supporting Evidence:
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:0043204 perikaryon
IEA
GO_REF:0000044
KEEP AS NON CORE
Summary: This neuronal compartment is part of the local, non-apoptotic CED-3 synapse-pruning pathway.
Reason: CED-3 localizes with axonal mitochondria and presynaptic material in RME neurons during GSNL-1-dependent synapse elimination; this is real but separate from bulk apoptotic execution.
Supporting Evidence:
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:0043525 positive regulation of neuron apoptotic process
IBA
GO_REF:0000033
MODIFY
Summary: A neuron-apoptosis PAINT parent should be represented as CED-3 execution rather than a cell-type-specific regulatory child.
Reason: CED-3 is the conserved apoptotic caspase and certainly executes deaths in neuronal lineages, but the direct inherited process is execution phase of apoptosis rather than positive regulation of neuron apoptotic process.
Propagation Review
Root cause: TERM SCOPING PROBLEM
Failure modes: GRANULARITY MISMATCH
Sources checked:
PANTHER:PTN000047947 Β· caspase-family PAINT node SUPPORTS TRANSFER
The node supports inherited apoptotic caspase biology but the neuron-specific regulatory child is less direct than CED-3 execution.
Proposed replacements: execution phase of apoptosis
GO:0043525 positive regulation of neuron apoptotic process
IMP
PMID:23721876
The Nrf2/SKN-1-dependent glutathione S-transferase Ο€ homolog...
UNDECIDED
Summary: The manganese row is an abstract-supported dopaminergic-neurodegeneration phenotype whose exact apoptotic scope is not fully resolvable locally.
Reason: The abstract says Mn-induced DA neuron degeneration is largely dependent on CED-3 and CSP-1, but the cached source is insufficient to decide whether this is canonical neuron apoptosis or a stress-degeneration endpoint.
GO:0045202 synapse
EXP
PMID:26074078
The Cell Death Pathway Regulates Synapse Elimination through...
KEEP AS NON CORE
Summary: This neuronal compartment is part of the local, non-apoptotic CED-3 synapse-pruning pathway.
Reason: CED-3 localizes with axonal mitochondria and presynaptic material in RME neurons during GSNL-1-dependent synapse elimination; this is real but separate from bulk apoptotic execution.
Supporting Evidence:
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:0045202 synapse
IEA
GO_REF:0000044
KEEP AS NON CORE
Summary: This neuronal compartment is part of the local, non-apoptotic CED-3 synapse-pruning pathway.
Reason: CED-3 localizes with axonal mitochondria and presynaptic material in RME neurons during GSNL-1-dependent synapse elimination; this is real but separate from bulk apoptotic execution.
Supporting Evidence:
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:0046716 muscle cell cellular homeostasis
IGI
PMID:24285704
Maintenance of muscle myosin levels in adult C. elegans requ...
UNDECIDED
Summary: The adult muscle-homeostasis row is a distal myosin-maintenance phenotype rather than a direct CED-3 function from cached evidence.
Reason: The cached abstract reports a caspase-dependent mechanism in bet-1;sumo-1 adults, but does not identify a CED-3 substrate or prove that CED-3 directly executes muscle-cell homeostasis.
GO:0048471 perinuclear region of cytoplasm
IDA
PMID:20970339
Meiotic errors activate checkpoints that improve gamete qual...
KEEP AS NON CORE
Summary: CED-3 zymogen perinuclear localization in germ cells is mediated by NPP-14.
Reason: The localization is direct and well supported, but it is a restraint mechanism for zymogen activation in germ cells rather than the core protease function.
Supporting Evidence:
PMID:27723735
The nuclear-pore protein NPP-14 interacts with the CED-3 zymogen prodomain, colocalizes with CED-3 in vivo and inhibits CED-3 autoactivation in vitro.
GO:0048471 perinuclear region of cytoplasm
IEA
GO_REF:0000044
KEEP AS NON CORE
Summary: CED-3 zymogen perinuclear localization in germ cells is mediated by NPP-14.
Reason: The localization is direct and well supported, but it is a restraint mechanism for zymogen activation in germ cells rather than the core protease function.
Supporting Evidence:
PMID:27723735
The nuclear-pore protein NPP-14 interacts with the CED-3 zymogen prodomain, colocalizes with CED-3 in vivo and inhibits CED-3 autoactivation in vitro.
GO:0048471 perinuclear region of cytoplasm
IMP
PMID:27723735
Regulation of CED-3 caspase localization and activation by C...
KEEP AS NON CORE
Summary: CED-3 zymogen perinuclear localization in germ cells is mediated by NPP-14.
Reason: The localization is direct and well supported, but it is a restraint mechanism for zymogen activation in germ cells rather than the core protease function.
Supporting Evidence:
PMID:27723735
The nuclear-pore protein NPP-14 interacts with the CED-3 zymogen prodomain, colocalizes with CED-3 in vivo and inhibits CED-3 autoactivation in vitro.
GO:0050807 regulation of synapse organization
IGI
PMID:26074078
The Cell Death Pathway Regulates Synapse Elimination through...
KEEP AS NON CORE
Summary: CED-3 cleaves GSNL-1 to promote elimination of transient presynaptic components.
Reason: This is a direct non-apoptotic proteolytic output of CED-3 in developing neurons, but it is separable from canonical apoptosis.
Supporting Evidence:
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:0050829 defense response to Gram-negative bacterium
IMP
PMID:11226309
Programmed cell death mediated by ced-3 and ced-4 protects C...
MARK AS OVER ANNOTATED
Summary: Salmonella-induced germline death and survival are host-level outputs of CED-3/CED-4 apoptosis.
Reason: The study shows that pathogen-induced germline cell death and Salmonella survival require ced-3 and ced-4, but CED-3 is executing apoptosis rather than directly mediating a bacterium-specific defense response.
GO:0097194 execution phase of apoptosis
IBA
GO_REF:0000033
ACCEPT
Summary: CED-3 substrate cleavage is a direct execution-phase event in worm apoptosis.
Reason: CED-3 cleaves execution substrates such as DCR-1, CED-8, CNT-1, and DRP-1 to drive DNA fragmentation, phosphatidylserine exposure, AKT suppression, and organelle/corpse remodeling.
Supporting Evidence:
PMID:20223951
DCR-1 was cleaved by the CED-3 caspase to generate a C-terminal fragment with deoxyribonuclease activity, which produced 3' hydroxyl DNA breaks on chromosomes and promoted apoptosis.
PMID:24225442
Here we report that CED-8, a Caenorhabditis elegans protein implicated in controlling the kinetics of apoptosis and a homologue of the XK family proteins, is a substrate of the CED-3 caspase.
PMID:25383666
In this study, we report a new CED-3 substrate, CNT-1, whose cleavage by CED-3 activates an N-terminal cleavage product, truncated CNT-1 (tCNT-1), that promotes apoptosis by suppressing the AKT pro-survival activity.
GO:0097194 execution phase of apoptosis
IDA
PMID:18722182
Caenorhabditis elegans drp-1 and fis-2 regulate distinct cel...
ACCEPT
Summary: CED-3 substrate cleavage is a direct execution-phase event in worm apoptosis.
Reason: CED-3 cleaves execution substrates such as DCR-1, CED-8, CNT-1, and DRP-1 to drive DNA fragmentation, phosphatidylserine exposure, AKT suppression, and organelle/corpse remodeling.
Supporting Evidence:
PMID:20223951
DCR-1 was cleaved by the CED-3 caspase to generate a C-terminal fragment with deoxyribonuclease activity, which produced 3' hydroxyl DNA breaks on chromosomes and promoted apoptosis.
PMID:24225442
Here we report that CED-8, a Caenorhabditis elegans protein implicated in controlling the kinetics of apoptosis and a homologue of the XK family proteins, is a substrate of the CED-3 caspase.
PMID:25383666
In this study, we report a new CED-3 substrate, CNT-1, whose cleavage by CED-3 activates an N-terminal cleavage product, truncated CNT-1 (tCNT-1), that promotes apoptosis by suppressing the AKT pro-survival activity.
GO:0097194 execution phase of apoptosis
IDA
PMID:20223951
Caspase-dependent conversion of Dicer ribonuclease into a de...
ACCEPT
Summary: CED-3 substrate cleavage is a direct execution-phase event in worm apoptosis.
Reason: CED-3 cleaves execution substrates such as DCR-1, CED-8, CNT-1, and DRP-1 to drive DNA fragmentation, phosphatidylserine exposure, AKT suppression, and organelle/corpse remodeling.
Supporting Evidence:
PMID:20223951
DCR-1 was cleaved by the CED-3 caspase to generate a C-terminal fragment with deoxyribonuclease activity, which produced 3' hydroxyl DNA breaks on chromosomes and promoted apoptosis.
PMID:24225442
Here we report that CED-8, a Caenorhabditis elegans protein implicated in controlling the kinetics of apoptosis and a homologue of the XK family proteins, is a substrate of the CED-3 caspase.
PMID:25383666
In this study, we report a new CED-3 substrate, CNT-1, whose cleavage by CED-3 activates an N-terminal cleavage product, truncated CNT-1 (tCNT-1), that promotes apoptosis by suppressing the AKT pro-survival activity.
GO:0097194 execution phase of apoptosis
IDA
PMID:24225442
Caspase-mediated activation of Caenorhabditis elegans CED-8 ...
ACCEPT
Summary: CED-3 substrate cleavage is a direct execution-phase event in worm apoptosis.
Reason: CED-3 cleaves execution substrates such as DCR-1, CED-8, CNT-1, and DRP-1 to drive DNA fragmentation, phosphatidylserine exposure, AKT suppression, and organelle/corpse remodeling.
Supporting Evidence:
PMID:20223951
DCR-1 was cleaved by the CED-3 caspase to generate a C-terminal fragment with deoxyribonuclease activity, which produced 3' hydroxyl DNA breaks on chromosomes and promoted apoptosis.
PMID:24225442
Here we report that CED-8, a Caenorhabditis elegans protein implicated in controlling the kinetics of apoptosis and a homologue of the XK family proteins, is a substrate of the CED-3 caspase.
PMID:25383666
In this study, we report a new CED-3 substrate, CNT-1, whose cleavage by CED-3 activates an N-terminal cleavage product, truncated CNT-1 (tCNT-1), that promotes apoptosis by suppressing the AKT pro-survival activity.
GO:0098793 presynapse
IDA
PMID:26074078
The Cell Death Pathway Regulates Synapse Elimination through...
KEEP AS NON CORE
Summary: This neuronal compartment is part of the local, non-apoptotic CED-3 synapse-pruning pathway.
Reason: CED-3 localizes with axonal mitochondria and presynaptic material in RME neurons during GSNL-1-dependent synapse elimination; this is real but separate from bulk apoptotic execution.
Supporting Evidence:
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:0140608 cysteine-type endopeptidase activator activity
IDA
PMID:19575016
Caenorhabditis elegans caspase homolog CSP-2 inhibits CED-3 ...
MODIFY
Summary: The CSP-2 paper supports CED-3 zymogen autoprocessing and CSP-mediated inhibition.
Reason: PMID:19575016 directly assayed CED-3 zymogen autoprocessing and its inhibition by CSP-2; replace this broad activator molecular function with GO:0016540 protein autoprocessing.
Proposed replacements: protein autoprocessing
Supporting Evidence:
PMID:19575016
CSP-2 associates with the CED-3 zymogen and inhibits its autoactivation
GO:0140608 cysteine-type endopeptidase activator activity
IMP
PMID:18776901
Inhibition of CED-3 zymogen activation and apoptosis in Caen...
MODIFY
Summary: The CSP-3 paper supports CED-3 zymogen autoprocessing and CSP-mediated inhibition.
Reason: PMID:18776901 directly assayed CED-3 zymogen autoprocessing and its inhibition by CSP-3; replace this broad activator molecular function with GO:0016540 protein autoprocessing.
Proposed replacements: protein autoprocessing
Supporting Evidence:
PMID:18776901
CSP-3 associates with the large subunit of the CED-3 zymogen and inhibits zymogen autoactivation.
GO:1900118 negative regulation of execution phase of apoptosis
IMP
PMID:10101135
C. elegans MAC-1, an essential member of the AAA family of A...
REMOVE
Summary: Negative regulation of execution is the role of MAC-1/CSP/NPP-14-like inhibitors, not the inhibited CED-3 protease.
Reason: CED-3 is the executioner caspase. Its presence in inhibitory complexes does not mean CED-3 itself negatively regulates execution phase.
GO:1902742 apoptotic process involved in development
IMP
PMID:22801495
Programmed elimination of cells by caspase-independent cell ...
KEEP AS NON CORE
Summary: The caspase-independent cell-shedding paper is weak support for an already established CED-3 developmental-apoptosis role.
Reason: PMID:22801495 uses ced-3 loss to expose PAR-4/PIG-1-dependent shedding as a backup route, so it is weak and redundant support for GO:1902742 rather than evidence that the term itself overshoots CED-3.
Supporting Evidence:
PMID:22801495
Here we identify a mechanism of cell extrusion that is caspase independent and that can eliminate a subset of the Caenorhabditis elegans cells programmed to die during embryonic development.
GO:1904747 positive regulation of apoptotic process involved in development
IGI
PMID:23505386
Both the caspase CSP-1 and a caspase-independent pathway pro...
MODIFY
Summary: The CSP-1 combinatorial genetics still places CED-3 in canonical apoptotic execution.
Reason: The paper distinguishes CSP-1 and caspase-independent branches from the canonical pathway involving CED-3 activation; CED-3 should be curated to execution phase rather than positive regulation of developmental apoptosis.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:23505386
We conclude that both caspase-dependent and caspase-independent pathways promote apoptotic programmed cell death and the phagocytosis of cell corpses in parallel to the canonical apoptosis pathway involving CED-3 activation.
GO:1904747 positive regulation of apoptotic process involved in development
IGI
PMID:23505386
Both the caspase CSP-1 and a caspase-independent pathway pro...
MODIFY
Summary: The CSP-1 combinatorial genetics still places CED-3 in canonical apoptotic execution.
Reason: The paper distinguishes CSP-1 and caspase-independent branches from the canonical pathway involving CED-3 activation; CED-3 should be curated to execution phase rather than positive regulation of developmental apoptosis.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:23505386
We conclude that both caspase-dependent and caspase-independent pathways promote apoptotic programmed cell death and the phagocytosis of cell corpses in parallel to the canonical apoptosis pathway involving CED-3 activation.
GO:1904747 positive regulation of apoptotic process involved in development
IGI
PMID:23505386
Both the caspase CSP-1 and a caspase-independent pathway pro...
MODIFY
Summary: The CSP-1 combinatorial genetics still places CED-3 in canonical apoptotic execution.
Reason: The paper distinguishes CSP-1 and caspase-independent branches from the canonical pathway involving CED-3 activation; CED-3 should be curated to execution phase rather than positive regulation of developmental apoptosis.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:23505386
We conclude that both caspase-dependent and caspase-independent pathways promote apoptotic programmed cell death and the phagocytosis of cell corpses in parallel to the canonical apoptosis pathway involving CED-3 activation.
GO:1904747 positive regulation of apoptotic process involved in development
IGI
PMID:23505386
Both the caspase CSP-1 and a caspase-independent pathway pro...
MODIFY
Summary: The CSP-1 combinatorial genetics still places CED-3 in canonical apoptotic execution.
Reason: The paper distinguishes CSP-1 and caspase-independent branches from the canonical pathway involving CED-3 activation; CED-3 should be curated to execution phase rather than positive regulation of developmental apoptosis.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:23505386
We conclude that both caspase-dependent and caspase-independent pathways promote apoptotic programmed cell death and the phagocytosis of cell corpses in parallel to the canonical apoptosis pathway involving CED-3 activation.
GO:1904747 positive regulation of apoptotic process involved in development
IGI
PMID:23505386
Both the caspase CSP-1 and a caspase-independent pathway pro...
MODIFY
Summary: The CSP-1 combinatorial genetics still places CED-3 in canonical apoptotic execution.
Reason: The paper distinguishes CSP-1 and caspase-independent branches from the canonical pathway involving CED-3 activation; CED-3 should be curated to execution phase rather than positive regulation of developmental apoptosis.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:23505386
We conclude that both caspase-dependent and caspase-independent pathways promote apoptotic programmed cell death and the phagocytosis of cell corpses in parallel to the canonical apoptosis pathway involving CED-3 activation.
GO:1904747 positive regulation of apoptotic process involved in development
IGI
PMID:23505386
Both the caspase CSP-1 and a caspase-independent pathway pro...
MODIFY
Summary: The CSP-1 combinatorial genetics still places CED-3 in canonical apoptotic execution.
Reason: The paper distinguishes CSP-1 and caspase-independent branches from the canonical pathway involving CED-3 activation; CED-3 should be curated to execution phase rather than positive regulation of developmental apoptosis.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:23505386
We conclude that both caspase-dependent and caspase-independent pathways promote apoptotic programmed cell death and the phagocytosis of cell corpses in parallel to the canonical apoptosis pathway involving CED-3 activation.
GO:1904747 positive regulation of apoptotic process involved in development
IGI
PMID:23505386
Both the caspase CSP-1 and a caspase-independent pathway pro...
MODIFY
Summary: The CSP-1 combinatorial genetics still places CED-3 in canonical apoptotic execution.
Reason: The paper distinguishes CSP-1 and caspase-independent branches from the canonical pathway involving CED-3 activation; CED-3 should be curated to execution phase rather than positive regulation of developmental apoptosis.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:23505386
We conclude that both caspase-dependent and caspase-independent pathways promote apoptotic programmed cell death and the phagocytosis of cell corpses in parallel to the canonical apoptosis pathway involving CED-3 activation.
GO:1904747 positive regulation of apoptotic process involved in development
IGI
PMID:23505386
Both the caspase CSP-1 and a caspase-independent pathway pro...
MODIFY
Summary: The CSP-1 combinatorial genetics still places CED-3 in canonical apoptotic execution.
Reason: The paper distinguishes CSP-1 and caspase-independent branches from the canonical pathway involving CED-3 activation; CED-3 should be curated to execution phase rather than positive regulation of developmental apoptosis.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:23505386
We conclude that both caspase-dependent and caspase-independent pathways promote apoptotic programmed cell death and the phagocytosis of cell corpses in parallel to the canonical apoptosis pathway involving CED-3 activation.
GO:1904747 positive regulation of apoptotic process involved in development
IGI
PMID:23505386
Both the caspase CSP-1 and a caspase-independent pathway pro...
MODIFY
Summary: The CSP-1 combinatorial genetics still places CED-3 in canonical apoptotic execution.
Reason: The paper distinguishes CSP-1 and caspase-independent branches from the canonical pathway involving CED-3 activation; CED-3 should be curated to execution phase rather than positive regulation of developmental apoptosis.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:23505386
We conclude that both caspase-dependent and caspase-independent pathways promote apoptotic programmed cell death and the phagocytosis of cell corpses in parallel to the canonical apoptosis pathway involving CED-3 activation.
GO:1904747 positive regulation of apoptotic process involved in development
IMP
PMID:23505386
Both the caspase CSP-1 and a caspase-independent pathway pro...
MODIFY
Summary: The CSP-1 combinatorial genetics still places CED-3 in canonical apoptotic execution.
Reason: The paper distinguishes CSP-1 and caspase-independent branches from the canonical pathway involving CED-3 activation; CED-3 should be curated to execution phase rather than positive regulation of developmental apoptosis.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:23505386
We conclude that both caspase-dependent and caspase-independent pathways promote apoptotic programmed cell death and the phagocytosis of cell corpses in parallel to the canonical apoptosis pathway involving CED-3 activation.
GO:1905803 negative regulation of cellular response to manganese ion
IMP
PMID:23721876
The Nrf2/SKN-1-dependent glutathione S-transferase Ο€ homolog...
UNDECIDED
Summary: CED-3/CSP-1 dependence in manganese-induced DA neuron death is a stress phenotype whose direct process remains unclear.
Reason: The abstract supports a caspase-dependent manganese neurodegeneration phenotype but does not establish that CED-3 directly regulates the cellular manganese response.
GO:1905808 positive regulation of synapse pruning
IGI
PMID:26074078
The Cell Death Pathway Regulates Synapse Elimination through...
KEEP AS NON CORE
Summary: CED-3 cleaves GSNL-1 to promote elimination of transient presynaptic components.
Reason: This is a direct non-apoptotic proteolytic output of CED-3 in developing neurons, but it is separable from canonical apoptosis.
Supporting Evidence:
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:1905808 positive regulation of synapse pruning
IMP
PMID:26074078
The Cell Death Pathway Regulates Synapse Elimination through...
KEEP AS NON CORE
Summary: CED-3 cleaves GSNL-1 to promote elimination of transient presynaptic components.
Reason: This is a direct non-apoptotic proteolytic output of CED-3 in developing neurons, but it is separable from canonical apoptosis.
Supporting Evidence:
PMID:26074078
Furthermore, we show that caspase CED-3 cleaves GSNL-1 at a conserved C-terminal region and that the cleaved active form of GSNL-1 promotes its actin-severing ability.
GO:1905845 positive regulation of cellular response to gamma radiation
IGI
PMID:23505386
Both the caspase CSP-1 and a caspase-independent pathway pro...
MODIFY
Summary: Gamma-radiation-induced germline apoptosis ultimately uses CED-3 execution.
Reason: The gamma-radiation row is a stimulus endpoint; the direct conserved role of CED-3 is the execution phase once developmental or damage signals activate the canonical pathway.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
GO:1905845 positive regulation of cellular response to gamma radiation
IMP
PMID:23505386
Both the caspase CSP-1 and a caspase-independent pathway pro...
MODIFY
Summary: Gamma-radiation-induced germline apoptosis ultimately uses CED-3 execution.
Reason: The gamma-radiation row is a stimulus endpoint; the direct conserved role of CED-3 is the execution phase once developmental or damage signals activate the canonical pathway.
Proposed replacements: execution phase of apoptosis
Supporting Evidence:
PMID:8654923
We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.

Core Functions

CED-3 enables Asp-directed cysteine endopeptidase activity and undergoes CED-4-apoptosome-stimulated autoprocessing from an inactive zymogen into active caspase subunits.

Supporting Evidence:
  • PMID:8654923
    We show that the full-length CED-3 protein undergoes proteolytic activation to generate a CED-3 cysteine protease and that CED-3 protease activity is required for killing cells by programmed cell death in C. elegans.
  • PMID:24065769
    CED-4 forms an octameric apoptosome, which binds the CED-3 zymogen and facilitates its autocatalytic maturation.

Active CED-3 cleaves apoptotic execution substrates, including DCR-1, CED-8, CNT-1 and DRP-1, to coordinate chromosome fragmentation, phosphatidylserine exposure, AKT inactivation and dying-cell dismantling.

Supporting Evidence:
  • PMID:20223951
    DCR-1 was cleaved by the CED-3 caspase to generate a C-terminal fragment with deoxyribonuclease activity, which produced 3' hydroxyl DNA breaks on chromosomes and promoted apoptosis.
  • PMID:24225442
    Here we report that CED-8, a Caenorhabditis elegans protein implicated in controlling the kinetics of apoptosis and a homologue of the XK family proteins, is a substrate of the CED-3 caspase.
  • PMID:25383666
    In this study, we report a new CED-3 substrate, CNT-1, whose cleavage by CED-3 activates an N-terminal cleavage product, truncated CNT-1 (tCNT-1), that promotes apoptosis by suppressing the AKT pro-survival activity.

References

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Suggested Questions for Experts

Q: Should GO add or revive a caspase autoprocessing term that can distinguish CED-3 self-processing from CED-4-enabled activator activity?

Q: Can the CED-3-dependent manganese dopaminergic-neuron phenotype be resolved as canonical neuron apoptosis, caspase-dependent stress degeneration, or a non-apoptotic CED-3 output?

Q: How should non-apoptotic CED-3 cleavage of GSNL-1 and heterochronic regulators be represented in GO-CAM without implying whole-cell apoptosis?

Suggested Experiments

Experiment: Introduce separation-of-function CED-3 surface mutants in vivo and quantify cleavage of DCR-1, CED-8, GSNL-1, LIN-28 and DISL-2 together with apoptotic cell-corpse counts, presynaptic-cluster elimination and heterochronic reporter timing.

Hypothesis: Distinct substrate-docking surfaces route CED-3 toward apoptotic versus non-apoptotic substrates.

Type: in vivo substrate-cleavage rescue assay

Experiment: Use endogenous fluorescent CED-3 and acute NPP-14 perturbation to follow zymogen localization, CED-4 recruitment, CED-3 processing and caspase-reporter activation in live germ cells after checkpoint induction.

Hypothesis: NPP-14 prevents inappropriate germline apoptosis by tethering and restraining a perinuclear CED-3 zymogen pool until CED-4 accumulates locally.

Type: live-cell imaging and acute depletion

Deep Research

WormBase

(ced-3-deep-research-wormbase.md)
WormBase gene description for ced-3 (worm) WormBase

WormBase gene description for ced-3 (worm)

ced-3 encodes a caspase, a cysteine-aspartate protease; CED-3 activity is required for execution of apoptosis and functions in a conserved genetic pathway with CED-4, CED-9, and EGL-1 to regulate apoptosis during C. elegans development.

πŸ“š Additional Documentation

Notes

(ced-3-notes.md)

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