Tert encodes telomerase reverse transcriptase, the catalytic protein subunit of the telomerase ribonucleoprotein. TERT uses the telomerase RNA template to synthesize telomeric TTAGGG repeats at chromosome ends, maintaining telomere length in proliferative and stem/progenitor contexts. Reported mitochondrial, transcriptional, Wnt, immune, or anti-apoptotic roles are treated as context-dependent non-canonical activities rather than the primary function.
| GO Term | Evidence | Action | Reason |
|---|---|---|---|
| GO:0003720 telomerase activity | IBA GO_REF:0000033 | ACCEPT | Summary: Defining catalytic activity of TERT: the RNA-dependent processive addition of TTAGGG telomeric repeats to 3' chromosome ends. mTert loss abolishes detectable telomerase activity in vivo. Core function. Reason: Catalytic core MF; directly supported by mouse IDA/TAS and conserved IBA evidence. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0007004 telomere maintenance via telomerase | IBA GO_REF:0000033 | ACCEPT | Summary: The canonical pathway in which TERT extends telomeres to counter the end-replication problem; mTert-null mice show progressive multigenerational telomere erosion and signal-free chromosome ends. Reason: Core BP; mouse genetic evidence establishes telomerase-dependent maintenance. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0070034 telomerase RNA binding | IBA GO_REF:0000033 | ACCEPT | Summary: TERT binds the Terc/TR template via RNA-interacting domains RD1 and RD2 (pseudoknot-template and CR4/5 regions), an essential determinant of template engagement and repeat-addition processivity. Reason: Specific, informative MF central to holoenzyme assembly and catalysis; core. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0000333 telomerase catalytic core complex | IBA GO_REF:0000033 | ACCEPT | Summary: TERT plus the Terc RNA constitute the catalytic core responsible for DNA extension. This minimal complex is the functional engine of telomerase. Reason: Core CC; TERT is the protein component of the catalytic core (IMP/IBA). Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0042162 telomeric DNA binding | IBA GO_REF:0000033 | ACCEPT | Summary: TERT binds the single-stranded telomeric DNA primer/3' chromosome terminus, with anchor sites holding primer nucleotides upstream of the RNA-DNA hybrid to support processive repeat addition. Reason: Specific DNA-binding MF for the telomeric primer substrate; core to catalysis. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0000723 telomere maintenance | IEA GO_REF:0000002 | ACCEPT | Summary: Parent process capturing TERT's role in preserving telomere length and chromosome-end integrity. Retained as a faithful, if more general, statement of the core biological role. Reason: Correct core BP; broader parent of telomere maintenance via telomerase. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0000781 chromosome, telomeric region | IEA GO_REF:0000120 | ACCEPT | Summary: Site of catalysis: TERT engages the telomeric region of chromosomes to add TTAGGG repeats. UniProt lists Chromosome, telomere as a subcellular location. Reason: Core CC; the telomere is where the catalytic reaction occurs. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0003677 DNA binding | IEA GO_REF:0000120 | KEEP AS NON CORE | Summary: TERT binds telomeric ssDNA primer; the generic DNA-binding term is correct but less informative than telomeric DNA binding and is keyword/electronic-derived. Reason: Correct but generic; specific telomeric DNA binding is the core term. |
| GO:0003720 telomerase activity | IEA GO_REF:0000120 | ACCEPT | Summary: Defining catalytic activity of TERT: the RNA-dependent processive addition of TTAGGG telomeric repeats to 3' chromosome ends. mTert loss abolishes detectable telomerase activity in vivo. Core function. Reason: Catalytic core MF; directly supported by mouse IDA/TAS and conserved IBA evidence. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0003964 RNA-directed DNA polymerase activity | IEA GO_REF:0000120 | ACCEPT | Summary: Reverse transcriptase activity (EC 2.7.7.49) by which TERT copies the Terc RNA template into telomeric DNA. The conserved RT domain (residues 595-928) with catalytic Mg2+-binding Asp residues underlies telomerase action. Reason: Precise MF describing the reverse-transcriptase catalytic mechanism; core. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0005634 nucleus | IEA GO_REF:0000120 | ACCEPT | Summary: Principal compartment where TERT acts; nuclear import/retention is regulated by AKT phosphorylation and SHP2/PTPN11 dephosphorylation, positioning telomerase for chromosome-end extension. Reason: Core CC; nucleus is the canonical site of telomerase action. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0005654 nucleoplasm | IEA GO_REF:0000120 | KEEP AS NON CORE | Summary: TERT shows diffuse nucleoplasmic distribution; a subnuclear pool that is part of nuclear residence but not the specific telomere/nucleolar site of function. Reason: Nuclear subcompartment; non-core relative to telomere/nucleolus. |
| GO:0005730 nucleolus | IEA GO_REF:0000120 | ACCEPT | Summary: TERT is enriched in nucleoli of certain cell types; nucleolar localization (mediated via NCL interaction) is part of telomerase trafficking/biogenesis and is well documented for TERT. Reason: Core/canonical TERT subnuclear localization (ISS/ISO), consistent with UniProt. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0005737 cytoplasm | IEA GO_REF:0000044 | KEEP AS NON CORE | Summary: TERT shuttles to the cytoplasm under oxidative stress (CRM1/RAN-dependent, Tyr-697 phosphorylation), a regulated secondary localization rather than its catalytic site. Reason: Regulated secondary localization (IDA/IEA); not core site of action. |
| GO:0008284 positive regulation of cell population proliferation | IEA GO_REF:0000117 | KEEP AS NON CORE | Summary: TERT supports proliferative capacity of progenitor/cancer cells; a broad downstream effect of enabling continued division, not the molecular core. Reason: Broad pleiotropic proliferation BP (IEA). |
| GO:0016605 PML body | IEA GO_REF:0000120 | KEEP AS NON CORE | Summary: PML interaction recruits TERT to PML bodies and inhibits telomerase activity; a regulatory sequestration site rather than the active catalytic location. Reason: Regulatory/inhibitory localization (IEA/ISO); non-core. |
| GO:0016740 transferase activity | IEA GO_REF:0000043 | MARK AS OVER ANNOTATED | Summary: Top-level EC 2 transferase parent; far too general to inform TERT function given the specific polymerase activities already annotated. Reason: Root-level MF; uninformative. |
| GO:0016779 nucleotidyltransferase activity | IEA GO_REF:0000043 | MARK AS OVER ANNOTATED | Summary: High-level transferase parent; TERT's nucleotidyltransferase chemistry is already captured precisely by telomerase / RNA-directed DNA polymerase activity. Reason: Over-general MF parent of the specific catalytic terms. |
| GO:0034061 DNA polymerase activity | IEA GO_REF:0000116 | MARK AS OVER ANNOTATED | Summary: Generic DNA polymerase term; TERT is specifically a template-directed RNA-dependent DNA polymerase, already captured by the more precise RNA-directed DNA polymerase / telomerase terms. Reason: Over-general MF; the RNA-directed (RT) child is the correct specific term. |
| GO:0046872 metal ion binding | IEA GO_REF:0000043 | MARK AS OVER ANNOTATED | Summary: Keyword-derived term; TERT binds catalytic Mg2+ at the RT active site, but the bare metal-ion term is uninformative compared with the polymerase MF that already implies it. Reason: Generic UniProtKB-KW-derived MF; subsumed by catalytic activity. |
| GO:1990904 ribonucleoprotein complex | IEA GO_REF:0000043 | KEEP AS NON CORE | Summary: Generic RNP parent; true because telomerase is an RNP, but uninformative relative to the specific telomerase holoenzyme/catalytic-core complex terms. Reason: Over-general CC parent of the telomerase complex (IEA). |
| GO:0005515 protein binding | IPI PMID:19571879 Telomerase modulates Wnt signalling by association with targ... | MARK AS OVER ANNOTATED | Summary: Bare 'protein binding' conveys no specific TERT function; its many partners (HSP90, TCAB1, SMARCA4, PIF1, etc.) are better captured by specific binding/complex terms. Reason: Uninformative generic MF; specific partner terms preferred. |
| GO:0000049 tRNA binding | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: An electronically inferred tRNA-binding activity; plausible given TERT's RNA-binding fold but not part of the canonical Terc-templated mechanism. Reason: Electronic non-core RNA-binding (IEA/ISO). |
| GO:0000333 telomerase catalytic core complex | IEA GO_REF:0000107 | ACCEPT | Summary: TERT plus the Terc RNA constitute the catalytic core responsible for DNA extension. This minimal complex is the functional engine of telomerase. Reason: Core CC; TERT is the protein component of the catalytic core (IMP/IBA). Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0001172 RNA-templated transcription | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Process term associated with the non-canonical TERT-RMRP RdRP activity; not the canonical telomere-extension role. Reason: Non-canonical process linked to RMRP RdRP; electronic. |
| GO:0001223 transcription coactivator binding | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Captures TERT's chromatin/transcription interactions (e.g., SMARCA4/BRG1 in Wnt target-gene regulation), part of its non-canonical transcriptional role. Reason: Specific binding tied to non-canonical transcriptional role (IPI/IEA/ISO). |
| GO:0003723 RNA binding | IEA GO_REF:0000107 | MARK AS OVER ANNOTATED | Summary: Broad RNA-binding term; TERT's functionally relevant RNA interaction is with Terc, already captured by the specific telomerase RNA binding annotation. Reason: Over-broad nucleic-acid binding; specific telomerase RNA binding present. |
| GO:0003968 RNA-directed RNA polymerase activity | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: A non-canonical RdRP activity has been proposed for TERT (with RMRP RNA, the TERT-RMRP complex), but this is contested and supported only by electronic transfer; not part of the canonical telomerase MF. Reason: Contested non-canonical activity; electronic (IEA/ISO) only. |
| GO:0005697 telomerase holoenzyme complex | IEA GO_REF:0000107 | ACCEPT | Summary: TERT is the catalytic subunit of the holoenzyme, which also contains Terc, WRAP53/TCAB1 and the H/ACA proteins DKC1, NOP10, NHP2 and GAR1, plus associated TEP1/SMG6/POT1. Reason: Core CC; UniProt SUBUNIT defines TERT as the holoenzyme catalytic component. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0005739 mitochondrion | IEA GO_REF:0000120 | KEEP AS NON CORE | Summary: A mitochondrial TERT pool with non-canonical roles in ROS handling and mtDNA protection has been reported, but this moonlighting localization is context-dependent and distinct from telomere maintenance. Reason: Contested non-canonical localization (IDA/IEA/ISO); keep non-core. |
| GO:0005829 cytosol | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Cytosolic pool consistent with stress-regulated nuclear export of TERT; secondary to nuclear/telomeric localization. Reason: Secondary localization (IEA/ISO). |
| GO:0006278 RNA-templated DNA biosynthetic process | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Reverse-transcription process term; correct for TERT but a general restatement of its telomere-templated DNA synthesis already covered by core terms. Reason: Accurate but redundant BP with core telomerase process. |
| GO:0006606 protein import into nucleus | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Reflects regulated nuclear import of TERT (AKT-driven; RAN/XPO1-dependent shuttling); a trafficking/regulatory process supporting, not equal to, the core function. Reason: Regulatory trafficking BP (IEA/ISO). |
| GO:0007004 telomere maintenance via telomerase | IEA GO_REF:0000107 | ACCEPT | Summary: The canonical pathway in which TERT extends telomeres to counter the end-replication problem; mTert-null mice show progressive multigenerational telomere erosion and signal-free chromosome ends. Reason: Core BP; mouse genetic evidence establishes telomerase-dependent maintenance. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0007005 mitochondrion organization | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Linked to the contested non-canonical mitochondrial role of TERT (ROS/mtDNA biogenesis); a pleiotropic/moonlighting process, not core telomere biology. Reason: Non-canonical mitochondrial process (IEA/ISO). |
| GO:0007507 heart development | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Developmental contribution of telomerase/TERT in cardiac tissue; a pleiotropic developmental role electronically inferred, not the molecular core. Reason: Pleiotropic developmental BP (IEA). |
| GO:0016607 nuclear speck | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Reported nuclear-speck localization of TERT is a secondary subnuclear pool, electronically inferred; not the canonical site of telomere extension. Reason: Secondary subnuclear localization (IEA/ISO). |
| GO:0022616 DNA strand elongation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Describes the elongation step of telomeric DNA synthesis; accurate but a generic facet of the core telomere-extension process. Reason: Generic BP facet of telomere extension (IEA/ISO). |
| GO:0030177 positive regulation of Wnt signaling pathway | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: TERT modulates Wnt/beta-catenin signaling by associating with SMARCA4 on target-gene chromatin (Park et al. 2009); a well-supported non-canonical role distinct from telomere extension. Reason: Non-canonical signaling role (IGI/IEA/ISO); moonlighting, keep non-core. |
| GO:0030422 siRNA processing | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Reflects the proposed TERT-RMRP pathway generating RMRP-derived siRNAs; a contested non-canonical role rather than the core telomerase function. Reason: Non-canonical RMRP-linked role (ISS/ComplexPortal). |
| GO:0031379 RNA-directed RNA polymerase complex | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Companion CC for the proposed TERT-RMRP RdRP activity; non-canonical and electronic, retained as a possible moonlighting context rather than the core telomerase complex. Reason: Non-canonical complex tied to contested RdRP role (IEA/ISO). |
| GO:0031647 regulation of protein stability | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: TERT participates in protein-stability regulation (e.g., it is itself controlled by DYRK2/EDVP ubiquitination, and modulates partner stability such as CMIP); a regulatory facet, not core. Reason: Pleiotropic regulatory BP (IEA/ISO). |
| GO:0042645 mitochondrial nucleoid | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Association of TERT with mitochondrial nucleoids relates to proposed mtDNA-protective non-canonical roles; electronic and context-dependent, not the canonical function. Reason: Non-canonical mitochondrial localization (IEA/ISO). |
| GO:0042802 identical protein binding | IEA GO_REF:0000107 | MARK AS OVER ANNOTATED | Summary: Generic self-binding term; TERT can oligomerize but this adds little functional content over the more specific homodimerization terms and is electronic only. Reason: Uninformative generic MF (IEA/ISO). |
| GO:0042803 protein homodimerization activity | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: TERT can oligomerize via dedicated oligomerization regions; homodimerization is a structural property relevant to assembly but not the catalytic core function. Reason: Specific but ancillary structural MF (IEA/ISO). |
| GO:0043066 negative regulation of apoptotic process | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: TERT has antiapoptotic/pro-survival activity (UniProt: roles in antiapoptosis), a pleiotropic protective effect downstream of or parallel to telomere maintenance. Reason: Pleiotropic pro-survival BP (IEA/ISO). |
| GO:0043524 negative regulation of neuron apoptotic process | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Neuron-specific instance of TERT's antiapoptotic activity, relevant to neuroprotection literature; a downstream tissue-specific effect. Reason: Tissue-specific antiapoptotic BP (IEA/ISO). |
| GO:0045766 positive regulation of angiogenesis | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: TERT supports angiogenesis (linked to endothelial survival/VEGF); a downstream vascular role rather than the core telomerase function. Reason: Pleiotropic vascular BP (IEA/ISO). |
| GO:0046686 response to cadmium ion | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Electronically inferred stress response to cadmium; a non-specific response-to-stimulus annotation peripheral to TERT's core role. Reason: Generic stress-response BP (IEA). |
| GO:0051087 protein-folding chaperone binding | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: TERT binds the HSP90/p23 (PTGES3) chaperone machinery required for correct assembly and stabilization of active telomerase; an assembly-support interaction. Reason: Specific biogenesis-related binding (IEA/ISO); non-core MF. |
| GO:0070034 telomerase RNA binding | IEA GO_REF:0000107 | ACCEPT | Summary: TERT binds the Terc/TR template via RNA-interacting domains RD1 and RD2 (pseudoknot-template and CR4/5 regions), an essential determinant of template engagement and repeat-addition processivity. Reason: Specific, informative MF central to holoenzyme assembly and catalysis; core. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0070200 establishment of protein localization to telomere | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Recruitment of telomerase/TERT to telomeres (via shelterin-linked TPP1/TIN2/POT1b factors); a localization step upstream of catalysis, retained as supporting non-core. Reason: Recruitment/localization BP (IEA/ISO); supports core but distinct. |
| GO:0071456 cellular response to hypoxia | IEA GO_REF:0000120 | KEEP AS NON CORE | Summary: TERT participates in hypoxic stress responses (mitochondrial/ROS and survival programs); a stress-response role secondary to its catalytic function. Reason: Stress-response BP (IEA/ISO). |
| GO:0071897 DNA biosynthetic process | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: TERT synthesizes telomeric DNA, so this parent process is true but generic relative to telomere maintenance via telomerase. Reason: Correct but over-general BP; electronic propagation. |
| GO:0090399 replicative senescence | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: TERT activity counteracts replicative senescence by sustaining telomere length; a phenotype-level process downstream of the catalytic role. Reason: Downstream/phenotypic BP (IEA/ISO). |
| GO:0098680 template-free RNA nucleotidyltransferase activity | IEA GO_REF:0000107 | REMOVE | Summary: Template-free RNA nucleotidyltransferase activity is not a function of TERT, whose defining chemistry is template-directed DNA synthesis from the Terc RNA; this electronic annotation contradicts the established mechanism. Reason: Electronic (IEA/ISO) and biologically contradicted; TERT is template-dependent. |
| GO:0140745 siRNA transcription | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Transcription of siRNA from the RMRP template via the proposed TERT RdRP activity; non-canonical and electronically inferred. Reason: Non-canonical RMRP-linked role (IEA/ISO). |
| GO:1900087 positive regulation of G1/S transition of mitotic cell cycle | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Cell-cycle-promoting effect linked to TERT's pro-proliferative/non-canonical signaling; pleiotropic and electronically inferred. Reason: Pleiotropic cell-cycle BP (IEA/ISO). |
| GO:1902895 positive regulation of miRNA transcription | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Reflects TERT's non-canonical influence on miRNA-gene transcription via chromatin association; part of its moonlighting transcriptional activity. Reason: Non-canonical transcriptional BP (IEA/ISO). |
| GO:1903620 positive regulation of transdifferentiation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Non-canonical role of TERT in promoting cellular transdifferentiation; context-dependent and electronically inferred. Reason: Non-canonical developmental BP (IEA/ISO). |
| GO:1904707 positive regulation of vascular associated smooth muscle cell proliferation | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: TERT promotes proliferation of vascular smooth muscle cells; a tissue-specific downstream proliferative effect. Reason: Tissue-specific proliferation BP (IEA/ISO). |
| GO:1904751 positive regulation of protein localization to nucleolus | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Linked to TERT's nucleolar trafficking interactions; a regulatory localization process, electronically inferred and ancillary. Reason: Regulatory localization BP (IEA/ISO). |
| GO:1904754 positive regulation of vascular associated smooth muscle cell migration | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: TERT promotes vascular smooth muscle cell migration; part of its pleiotropic vascular-remodeling effects, electronically inferred. Reason: Tissue-specific migration BP (IEA/ISO). |
| GO:1990572 TERT-RMRP complex | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: TERT can associate with the RMRP RNA in a distinct complex linked to the proposed RdRP/siRNA activity; a non-canonical context separate from telomere maintenance. Reason: Non-canonical TERT-RMRP complex (ISS/ComplexPortal, IEA). |
| GO:2000352 negative regulation of endothelial cell apoptotic process | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Endothelial antiapoptotic effect of TERT linked to vascular/angiogenesis biology; a pleiotropic downstream role. Reason: Tissue-specific antiapoptotic BP (IEA/ISO). |
| GO:2000773 negative regulation of cellular senescence | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: By maintaining telomeres, TERT delays senescence; this is a downstream physiological consequence rather than the molecular core function. Reason: Downstream consequence of telomere maintenance (IEA/ISO). |
| GO:2001240 negative regulation of extrinsic apoptotic signaling pathway in absence of ligand | IEA GO_REF:0000107 | KEEP AS NON CORE | Summary: Specific antiapoptotic pathway facet of TERT's pro-survival activity; pleiotropic and electronically inferred. Reason: Pleiotropic antiapoptotic BP (IEA/ISO). |
| GO:0000049 tRNA binding | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: An electronically inferred tRNA-binding activity; plausible given TERT's RNA-binding fold but not part of the canonical Terc-templated mechanism. Reason: Electronic non-core RNA-binding (IEA/ISO). |
| GO:0000333 telomerase catalytic core complex | ISO GO_REF:0000119 | ACCEPT | Summary: TERT plus the Terc RNA constitute the catalytic core responsible for DNA extension. This minimal complex is the functional engine of telomerase. Reason: Core CC; TERT is the protein component of the catalytic core (IMP/IBA). Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0000781 chromosome, telomeric region | ISO GO_REF:0000119 | ACCEPT | Summary: Site of catalysis: TERT engages the telomeric region of chromosomes to add TTAGGG repeats. UniProt lists Chromosome, telomere as a subcellular location. Reason: Core CC; the telomere is where the catalytic reaction occurs. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0001172 RNA-templated transcription | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Process term associated with the non-canonical TERT-RMRP RdRP activity; not the canonical telomere-extension role. Reason: Non-canonical process linked to RMRP RdRP; electronic. |
| GO:0001223 transcription coactivator binding | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Captures TERT's chromatin/transcription interactions (e.g., SMARCA4/BRG1 in Wnt target-gene regulation), part of its non-canonical transcriptional role. Reason: Specific binding tied to non-canonical transcriptional role (IPI/IEA/ISO). |
| GO:0003677 DNA binding | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: TERT binds telomeric ssDNA primer; the generic DNA-binding term is correct but less informative than telomeric DNA binding and is keyword/electronic-derived. Reason: Correct but generic; specific telomeric DNA binding is the core term. |
| GO:0003720 telomerase activity | ISO GO_REF:0000096 | ACCEPT | Summary: Defining catalytic activity of TERT: the RNA-dependent processive addition of TTAGGG telomeric repeats to 3' chromosome ends. mTert loss abolishes detectable telomerase activity in vivo. Core function. Reason: Catalytic core MF; directly supported by mouse IDA/TAS and conserved IBA evidence. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0003720 telomerase activity | ISO GO_REF:0000119 | ACCEPT | Summary: Defining catalytic activity of TERT: the RNA-dependent processive addition of TTAGGG telomeric repeats to 3' chromosome ends. mTert loss abolishes detectable telomerase activity in vivo. Core function. Reason: Catalytic core MF; directly supported by mouse IDA/TAS and conserved IBA evidence. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0003723 RNA binding | ISO GO_REF:0000119 | MARK AS OVER ANNOTATED | Summary: Broad RNA-binding term; TERT's functionally relevant RNA interaction is with Terc, already captured by the specific telomerase RNA binding annotation. Reason: Over-broad nucleic-acid binding; specific telomerase RNA binding present. |
| GO:0003964 RNA-directed DNA polymerase activity | ISO GO_REF:0000119 | ACCEPT | Summary: Reverse transcriptase activity (EC 2.7.7.49) by which TERT copies the Terc RNA template into telomeric DNA. The conserved RT domain (residues 595-928) with catalytic Mg2+-binding Asp residues underlies telomerase action. Reason: Precise MF describing the reverse-transcriptase catalytic mechanism; core. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0003968 RNA-directed RNA polymerase activity | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: A non-canonical RdRP activity has been proposed for TERT (with RMRP RNA, the TERT-RMRP complex), but this is contested and supported only by electronic transfer; not part of the canonical telomerase MF. Reason: Contested non-canonical activity; electronic (IEA/ISO) only. |
| GO:0005634 nucleus | ISO GO_REF:0000119 | ACCEPT | Summary: Principal compartment where TERT acts; nuclear import/retention is regulated by AKT phosphorylation and SHP2/PTPN11 dephosphorylation, positioning telomerase for chromosome-end extension. Reason: Core CC; nucleus is the canonical site of telomerase action. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0005654 nucleoplasm | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: TERT shows diffuse nucleoplasmic distribution; a subnuclear pool that is part of nuclear residence but not the specific telomere/nucleolar site of function. Reason: Nuclear subcompartment; non-core relative to telomere/nucleolus. |
| GO:0005697 telomerase holoenzyme complex | ISO GO_REF:0000119 | ACCEPT | Summary: TERT is the catalytic subunit of the holoenzyme, which also contains Terc, WRAP53/TCAB1 and the H/ACA proteins DKC1, NOP10, NHP2 and GAR1, plus associated TEP1/SMG6/POT1. Reason: Core CC; UniProt SUBUNIT defines TERT as the holoenzyme catalytic component. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0005730 nucleolus | ISO GO_REF:0000119 | ACCEPT | Summary: TERT is enriched in nucleoli of certain cell types; nucleolar localization (mediated via NCL interaction) is part of telomerase trafficking/biogenesis and is well documented for TERT. Reason: Core/canonical TERT subnuclear localization (ISS/ISO), consistent with UniProt. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0005739 mitochondrion | ISO GO_REF:0000096 | KEEP AS NON CORE | Summary: A mitochondrial TERT pool with non-canonical roles in ROS handling and mtDNA protection has been reported, but this moonlighting localization is context-dependent and distinct from telomere maintenance. Reason: Contested non-canonical localization (IDA/IEA/ISO); keep non-core. |
| GO:0005829 cytosol | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Cytosolic pool consistent with stress-regulated nuclear export of TERT; secondary to nuclear/telomeric localization. Reason: Secondary localization (IEA/ISO). |
| GO:0006278 RNA-templated DNA biosynthetic process | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Reverse-transcription process term; correct for TERT but a general restatement of its telomere-templated DNA synthesis already covered by core terms. Reason: Accurate but redundant BP with core telomerase process. |
| GO:0006606 protein import into nucleus | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Reflects regulated nuclear import of TERT (AKT-driven; RAN/XPO1-dependent shuttling); a trafficking/regulatory process supporting, not equal to, the core function. Reason: Regulatory trafficking BP (IEA/ISO). |
| GO:0007004 telomere maintenance via telomerase | ISO GO_REF:0000119 | ACCEPT | Summary: The canonical pathway in which TERT extends telomeres to counter the end-replication problem; mTert-null mice show progressive multigenerational telomere erosion and signal-free chromosome ends. Reason: Core BP; mouse genetic evidence establishes telomerase-dependent maintenance. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0007005 mitochondrion organization | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Linked to the contested non-canonical mitochondrial role of TERT (ROS/mtDNA biogenesis); a pleiotropic/moonlighting process, not core telomere biology. Reason: Non-canonical mitochondrial process (IEA/ISO). |
| GO:0016605 PML body | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: PML interaction recruits TERT to PML bodies and inhibits telomerase activity; a regulatory sequestration site rather than the active catalytic location. Reason: Regulatory/inhibitory localization (IEA/ISO); non-core. |
| GO:0016607 nuclear speck | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Reported nuclear-speck localization of TERT is a secondary subnuclear pool, electronically inferred; not the canonical site of telomere extension. Reason: Secondary subnuclear localization (IEA/ISO). |
| GO:0022616 DNA strand elongation | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Describes the elongation step of telomeric DNA synthesis; accurate but a generic facet of the core telomere-extension process. Reason: Generic BP facet of telomere extension (IEA/ISO). |
| GO:0030177 positive regulation of Wnt signaling pathway | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: TERT modulates Wnt/beta-catenin signaling by associating with SMARCA4 on target-gene chromatin (Park et al. 2009); a well-supported non-canonical role distinct from telomere extension. Reason: Non-canonical signaling role (IGI/IEA/ISO); moonlighting, keep non-core. |
| GO:0030422 siRNA processing | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Reflects the proposed TERT-RMRP pathway generating RMRP-derived siRNAs; a contested non-canonical role rather than the core telomerase function. Reason: Non-canonical RMRP-linked role (ISS/ComplexPortal). |
| GO:0031379 RNA-directed RNA polymerase complex | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Companion CC for the proposed TERT-RMRP RdRP activity; non-canonical and electronic, retained as a possible moonlighting context rather than the core telomerase complex. Reason: Non-canonical complex tied to contested RdRP role (IEA/ISO). |
| GO:0031647 regulation of protein stability | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: TERT participates in protein-stability regulation (e.g., it is itself controlled by DYRK2/EDVP ubiquitination, and modulates partner stability such as CMIP); a regulatory facet, not core. Reason: Pleiotropic regulatory BP (IEA/ISO). |
| GO:0042645 mitochondrial nucleoid | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Association of TERT with mitochondrial nucleoids relates to proposed mtDNA-protective non-canonical roles; electronic and context-dependent, not the canonical function. Reason: Non-canonical mitochondrial localization (IEA/ISO). |
| GO:0042802 identical protein binding | ISO GO_REF:0000119 | MARK AS OVER ANNOTATED | Summary: Generic self-binding term; TERT can oligomerize but this adds little functional content over the more specific homodimerization terms and is electronic only. Reason: Uninformative generic MF (IEA/ISO). |
| GO:0042803 protein homodimerization activity | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: TERT can oligomerize via dedicated oligomerization regions; homodimerization is a structural property relevant to assembly but not the catalytic core function. Reason: Specific but ancillary structural MF (IEA/ISO). |
| GO:0043066 negative regulation of apoptotic process | ISO GO_REF:0000096 | KEEP AS NON CORE | Summary: TERT has antiapoptotic/pro-survival activity (UniProt: roles in antiapoptosis), a pleiotropic protective effect downstream of or parallel to telomere maintenance. Reason: Pleiotropic pro-survival BP (IEA/ISO). |
| GO:0043524 negative regulation of neuron apoptotic process | ISO GO_REF:0000096 | KEEP AS NON CORE | Summary: Neuron-specific instance of TERT's antiapoptotic activity, relevant to neuroprotection literature; a downstream tissue-specific effect. Reason: Tissue-specific antiapoptotic BP (IEA/ISO). |
| GO:0045766 positive regulation of angiogenesis | ISO GO_REF:0000096 | KEEP AS NON CORE | Summary: TERT supports angiogenesis (linked to endothelial survival/VEGF); a downstream vascular role rather than the core telomerase function. Reason: Pleiotropic vascular BP (IEA/ISO). |
| GO:0051087 protein-folding chaperone binding | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: TERT binds the HSP90/p23 (PTGES3) chaperone machinery required for correct assembly and stabilization of active telomerase; an assembly-support interaction. Reason: Specific biogenesis-related binding (IEA/ISO); non-core MF. |
| GO:0060253 negative regulation of glial cell proliferation | ISO GO_REF:0000096 | KEEP AS NON CORE | Summary: Tissue-specific proliferation-regulatory effect attributed to TERT; pleiotropic and supported only by orthology transfer. Reason: Pleiotropic tissue-specific BP (ISO). |
| GO:0070034 telomerase RNA binding | ISO GO_REF:0000119 | ACCEPT | Summary: TERT binds the Terc/TR template via RNA-interacting domains RD1 and RD2 (pseudoknot-template and CR4/5 regions), an essential determinant of template engagement and repeat-addition processivity. Reason: Specific, informative MF central to holoenzyme assembly and catalysis; core. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0070200 establishment of protein localization to telomere | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Recruitment of telomerase/TERT to telomeres (via shelterin-linked TPP1/TIN2/POT1b factors); a localization step upstream of catalysis, retained as supporting non-core. Reason: Recruitment/localization BP (IEA/ISO); supports core but distinct. |
| GO:0071456 cellular response to hypoxia | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: TERT participates in hypoxic stress responses (mitochondrial/ROS and survival programs); a stress-response role secondary to its catalytic function. Reason: Stress-response BP (IEA/ISO). |
| GO:0071897 DNA biosynthetic process | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: TERT synthesizes telomeric DNA, so this parent process is true but generic relative to telomere maintenance via telomerase. Reason: Correct but over-general BP; electronic propagation. |
| GO:0090399 replicative senescence | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: TERT activity counteracts replicative senescence by sustaining telomere length; a phenotype-level process downstream of the catalytic role. Reason: Downstream/phenotypic BP (IEA/ISO). |
| GO:0098680 template-free RNA nucleotidyltransferase activity | ISO GO_REF:0000119 | REMOVE | Summary: Template-free RNA nucleotidyltransferase activity is not a function of TERT, whose defining chemistry is template-directed DNA synthesis from the Terc RNA; this electronic annotation contradicts the established mechanism. Reason: Electronic (IEA/ISO) and biologically contradicted; TERT is template-dependent. |
| GO:0140745 siRNA transcription | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Transcription of siRNA from the RMRP template via the proposed TERT RdRP activity; non-canonical and electronically inferred. Reason: Non-canonical RMRP-linked role (IEA/ISO). |
| GO:1900087 positive regulation of G1/S transition of mitotic cell cycle | ISO GO_REF:0000096 | KEEP AS NON CORE | Summary: Cell-cycle-promoting effect linked to TERT's pro-proliferative/non-canonical signaling; pleiotropic and electronically inferred. Reason: Pleiotropic cell-cycle BP (IEA/ISO). |
| GO:1902895 positive regulation of miRNA transcription | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Reflects TERT's non-canonical influence on miRNA-gene transcription via chromatin association; part of its moonlighting transcriptional activity. Reason: Non-canonical transcriptional BP (IEA/ISO). |
| GO:1903620 positive regulation of transdifferentiation | ISO GO_REF:0000096 | KEEP AS NON CORE | Summary: Non-canonical role of TERT in promoting cellular transdifferentiation; context-dependent and electronically inferred. Reason: Non-canonical developmental BP (IEA/ISO). |
| GO:1904707 positive regulation of vascular associated smooth muscle cell proliferation | ISO GO_REF:0000096 | KEEP AS NON CORE | Summary: TERT promotes proliferation of vascular smooth muscle cells; a tissue-specific downstream proliferative effect. Reason: Tissue-specific proliferation BP (IEA/ISO). |
| GO:1904751 positive regulation of protein localization to nucleolus | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Linked to TERT's nucleolar trafficking interactions; a regulatory localization process, electronically inferred and ancillary. Reason: Regulatory localization BP (IEA/ISO). |
| GO:1904754 positive regulation of vascular associated smooth muscle cell migration | ISO GO_REF:0000096 | KEEP AS NON CORE | Summary: TERT promotes vascular smooth muscle cell migration; part of its pleiotropic vascular-remodeling effects, electronically inferred. Reason: Tissue-specific migration BP (IEA/ISO). |
| GO:1990572 TERT-RMRP complex | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: TERT can associate with the RMRP RNA in a distinct complex linked to the proposed RdRP/siRNA activity; a non-canonical context separate from telomere maintenance. Reason: Non-canonical TERT-RMRP complex (ISS/ComplexPortal, IEA). |
| GO:2000352 negative regulation of endothelial cell apoptotic process | ISO GO_REF:0000096 | KEEP AS NON CORE | Summary: Endothelial antiapoptotic effect of TERT linked to vascular/angiogenesis biology; a pleiotropic downstream role. Reason: Tissue-specific antiapoptotic BP (IEA/ISO). |
| GO:2000773 negative regulation of cellular senescence | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: By maintaining telomeres, TERT delays senescence; this is a downstream physiological consequence rather than the molecular core function. Reason: Downstream consequence of telomere maintenance (IEA/ISO). |
| GO:2001240 negative regulation of extrinsic apoptotic signaling pathway in absence of ligand | ISO GO_REF:0000119 | KEEP AS NON CORE | Summary: Specific antiapoptotic pathway facet of TERT's pro-survival activity; pleiotropic and electronically inferred. Reason: Pleiotropic antiapoptotic BP (IEA/ISO). |
| GO:0000722 telomere maintenance via recombination | NAS PMID:20351177 Specificity and stoichiometry of subunit interactions in the... | UNDECIDED | Summary: ALT (recombination-based) telomere maintenance is telomerase-INDEPENDENT and is not TERT's mechanism; TERT acts via telomerase. The NAS annotation appears misattributed, but as non-electronic evidence it is flagged not removed. Reason: ALT is telomerase-independent; NAS evidence (not IEA/ISO), so flag not REMOVE. |
| GO:0007004 telomere maintenance via telomerase | NAS PMID:20351177 Specificity and stoichiometry of subunit interactions in the... | ACCEPT | Summary: The canonical pathway in which TERT extends telomeres to counter the end-replication problem; mTert-null mice show progressive multigenerational telomere erosion and signal-free chromosome ends. Reason: Core BP; mouse genetic evidence establishes telomerase-dependent maintenance. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0005697 telomerase holoenzyme complex | ISS GO_REF:0000024 | ACCEPT | Summary: TERT is the catalytic subunit of the holoenzyme, which also contains Terc, WRAP53/TCAB1 and the H/ACA proteins DKC1, NOP10, NHP2 and GAR1, plus associated TEP1/SMG6/POT1. Reason: Core CC; UniProt SUBUNIT defines TERT as the holoenzyme catalytic component. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0007004 telomere maintenance via telomerase | ISS GO_REF:0000024 | ACCEPT | Summary: The canonical pathway in which TERT extends telomeres to counter the end-replication problem; mTert-null mice show progressive multigenerational telomere erosion and signal-free chromosome ends. Reason: Core BP; mouse genetic evidence establishes telomerase-dependent maintenance. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0003723 RNA binding | IPI PMID:16507993 Regulation of cellular immortalization and steady-state leve... | MARK AS OVER ANNOTATED | Summary: Broad RNA-binding term; TERT's functionally relevant RNA interaction is with Terc, already captured by the specific telomerase RNA binding annotation. Reason: Over-broad nucleic-acid binding; specific telomerase RNA binding present. |
| GO:0003720 telomerase activity | TAS PMID:16107853 Conditional telomerase induction causes proliferation of hai... | ACCEPT | Summary: Defining catalytic activity of TERT: the RNA-dependent processive addition of TTAGGG telomeric repeats to 3' chromosome ends. mTert loss abolishes detectable telomerase activity in vivo. Core function. Reason: Catalytic core MF; directly supported by mouse IDA/TAS and conserved IBA evidence. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0007004 telomere maintenance via telomerase | TAS PMID:16107853 Conditional telomerase induction causes proliferation of hai... | ACCEPT | Summary: The canonical pathway in which TERT extends telomeres to counter the end-replication problem; mTert-null mice show progressive multigenerational telomere erosion and signal-free chromosome ends. Reason: Core BP; mouse genetic evidence establishes telomerase-dependent maintenance. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0005515 protein binding | IPI PMID:24970747 Extra-nuclear telomerase reverse transcriptase (TERT) regula... | MARK AS OVER ANNOTATED | Summary: Bare 'protein binding' conveys no specific TERT function; its many partners (HSP90, TCAB1, SMARCA4, PIF1, etc.) are better captured by specific binding/complex terms. Reason: Uninformative generic MF; specific partner terms preferred. |
| GO:0005737 cytoplasm | IDA PMID:24970747 Extra-nuclear telomerase reverse transcriptase (TERT) regula... | KEEP AS NON CORE | Summary: TERT shuttles to the cytoplasm under oxidative stress (CRM1/RAN-dependent, Tyr-697 phosphorylation), a regulated secondary localization rather than its catalytic site. Reason: Regulated secondary localization (IDA/IEA); not core site of action. |
| GO:0005886 plasma membrane | IDA PMID:24970747 Extra-nuclear telomerase reverse transcriptase (TERT) regula... | KEEP AS NON CORE | Summary: An IDA plasma-membrane localization is reported but is a minor/atypical pool far from TERT's nuclear telomere-extension role; retained without endorsing it as core. Reason: Atypical secondary localization (IDA); experimental, so downgraded not removed. |
| GO:0046326 positive regulation of D-glucose import across plasma membrane | IMP PMID:24970747 Extra-nuclear telomerase reverse transcriptase (TERT) regula... | KEEP AS NON CORE | Summary: An IMP-supported metabolic effect of TERT on glucose uptake; a non-canonical metabolic role distinct from telomere maintenance. Reason: Non-canonical metabolic BP (IMP); experimental, downgrade not remove. |
| GO:0070034 telomerase RNA binding | IPI PMID:16507993 Regulation of cellular immortalization and steady-state leve... | ACCEPT | Summary: TERT binds the Terc/TR template via RNA-interacting domains RD1 and RD2 (pseudoknot-template and CR4/5 regions), an essential determinant of template engagement and repeat-addition processivity. Reason: Specific, informative MF central to holoenzyme assembly and catalysis; core. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0030177 positive regulation of Wnt signaling pathway | IGI PMID:19571879 Telomerase modulates Wnt signalling by association with targ... | KEEP AS NON CORE | Summary: TERT modulates Wnt/beta-catenin signaling by associating with SMARCA4 on target-gene chromatin (Park et al. 2009); a well-supported non-canonical role distinct from telomere extension. Reason: Non-canonical signaling role (IGI/IEA/ISO); moonlighting, keep non-core. |
| GO:2000648 positive regulation of stem cell proliferation | IMP PMID:16107853 Conditional telomerase induction causes proliferation of hai... | KEEP AS NON CORE | Summary: TERT promotes proliferation of stem/progenitor cells (IMP), consistent with its expression in progenitor compartments; an important but downstream physiological role. Reason: Stem-cell physiology BP (IMP); experimental, downgrade to non-core. |
| GO:0005515 protein binding | IPI PMID:17130244 Murine Pif1 interacts with telomerase and is dispensable for... | MARK AS OVER ANNOTATED | Summary: Bare 'protein binding' conveys no specific TERT function; its many partners (HSP90, TCAB1, SMARCA4, PIF1, etc.) are better captured by specific binding/complex terms. Reason: Uninformative generic MF; specific partner terms preferred. |
| GO:0005730 nucleolus | ISS GO_REF:0000024 | ACCEPT | Summary: TERT is enriched in nucleoli of certain cell types; nucleolar localization (mediated via NCL interaction) is part of telomerase trafficking/biogenesis and is well documented for TERT. Reason: Core/canonical TERT subnuclear localization (ISS/ISO), consistent with UniProt. Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0000333 telomerase catalytic core complex | IMP PMID:16037417 Effects of telomerase and telomere length on epidermal stem ... | ACCEPT | Summary: TERT plus the Terc RNA constitute the catalytic core responsible for DNA extension. This minimal complex is the functional engine of telomerase. Reason: Core CC; TERT is the protein component of the catalytic core (IMP/IBA). Supporting Evidence: UniProt:O70372 Catalytic component of the teleromerase holoenzyme complex whose main activity is the elongation of telomeres by acting as a reverse transcriptase that adds simple sequence repeats to chromosome ends by copying a template sequence within the RNA component of the enzyme. file:mouse/Tert/Tert-deep-research-falcon.md Mouse **Tert (UniProt O70372)** encodes the **telomerase reverse transcriptase**, whose primary function is to **extend telomeric (TTAGGG)n repeats** at chromosome ends as the catalytic core of the telomerase RNP. |
| GO:0042635 positive regulation of hair cycle | IMP PMID:16107853 Conditional telomerase induction causes proliferation of hai... | KEEP AS NON CORE | Summary: TERT promotes hair-follicle stem cell activation and anagen entry (IMP, a catalysis-independent function shown in mouse skin); a notable tissue-specific moonlighting role. Reason: Tissue-specific stem-cell BP (IMP); experimental, keep as non-core. |
| GO:0005739 mitochondrion | IDA PMID:21937513 Human telomerase acts as a hTR-independent reverse transcrip... | KEEP AS NON CORE | Summary: A mitochondrial TERT pool with non-canonical roles in ROS handling and mtDNA protection has been reported, but this moonlighting localization is context-dependent and distinct from telomere maintenance. Reason: Contested non-canonical localization (IDA/IEA/ISO); keep non-core. |
| GO:0042635 positive regulation of hair cycle | IMP PMID:16037417 Effects of telomerase and telomere length on epidermal stem ... | KEEP AS NON CORE | Summary: TERT promotes hair-follicle stem cell activation and anagen entry (IMP, a catalysis-independent function shown in mouse skin); a notable tissue-specific moonlighting role. Reason: Tissue-specific stem-cell BP (IMP); experimental, keep as non-core. |
| GO:2000648 positive regulation of stem cell proliferation | IMP PMID:16037417 Effects of telomerase and telomere length on epidermal stem ... | KEEP AS NON CORE | Summary: TERT promotes proliferation of stem/progenitor cells (IMP), consistent with its expression in progenitor compartments; an important but downstream physiological role. Reason: Stem-cell physiology BP (IMP); experimental, downgrade to non-core. |
| GO:0001223 transcription coactivator binding | IPI PMID:19571879 Telomerase modulates Wnt signalling by association with targ... | KEEP AS NON CORE | Summary: Captures TERT's chromatin/transcription interactions (e.g., SMARCA4/BRG1 in Wnt target-gene regulation), part of its non-canonical transcriptional role. Reason: Specific binding tied to non-canonical transcriptional role (IPI/IEA/ISO). |
| GO:0003720 telomerase activity | IDA PMID:14701760 Genomic instability and enhanced radiosensitivity in Hsp70.1... | ACCEPT | Summary: Defining catalytic activity of TERT: the RNA-dependent processive addition of TTAGGG telomeric repeats to 3' chromosome ends. mTert loss abolishes detectable telomerase activity in vivo. Core function. Reason: Catalytic core MF; directly supported by mouse IDA/TAS and conserved IBA evidence. |
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