ATOH1

Existing Annotations Review

GO Term	Evidence	Action	Reason
GO:0005634 nucleus	IBA GO_REF:0000033	ACCEPT	Summary: Phylogenetic inference places active ATOH1 in the nucleus. Reason: ATOH1 is a DNA-binding transcription factor, and the reviewed human UniProt record independently assigns it to the nucleus. Nuclear activity is integral to its transcriptional function. Supporting Evidence: file:genes/human/ATOH1/ATOH1-uniprot.txt Nucleus
GO:0000981 DNA-binding transcription factor activity, RNA polymerase II-specific	IBA GO_REF:0000033	ACCEPT	Summary: ATOH1 is a conserved bHLH DNA-binding transcription factor. Reason: This accurately captures the core molecular activity. The bHLH domain, E-box-binding inference, direct human DNA-binding dataset, and E-box-dependent transcriptional activation recorded by UniProt all converge on RNA polymerase II-specific DNA-binding transcription factor activity. Supporting Evidence: file:genes/human/ATOH1/ATOH1-uniprot.txt Transcriptional regulator.
GO:0007423 sensory organ development	IBA GO_REF:0000033	KEEP AS NON CORE	Summary: ATOH1 has conserved roles in mechanosensory lineages, especially inner-ear hair cells. Reason: The annotation is biologically sound, but sensory organ development is a context-level outcome of ATOH1's transcriptional activity and is broader than the more informative inner-ear receptor-cell differentiation annotation. It is retained as a non-core developmental role. Supporting Evidence: PMID:15846349 a gene essential for hair cell differentiation
GO:0070888 E-box binding	IBA GO_REF:0000033	ACCEPT	Summary: ATOH1 binds the CANNTG-class E-box motifs recognized by proneural bHLH factors. Reason: E-box binding is the informative sequence-specific DNA-binding activity underlying ATOH1 target recognition. UniProt specifically records E-box-dependent transcription, and the cerebellar targetome identified a 10-nucleotide Atoh1-associated motif. Supporting Evidence: PMID:21300888 We found that Atoh1 binds to a 10 nucleotide motif (AtEAM) to directly regulate genes involved in migration, cell adhesion, metabolism, and other previously unsuspected functions.
GO:0045944 positive regulation of transcription by RNA polymerase II	IBA GO_REF:0000033	ACCEPT	Summary: ATOH1 activates E-box-dependent target-gene transcription. Reason: Positive regulation, rather than transcription by the polymerase itself, is the correct process relation for this DNA-binding transcriptional activator. Supporting Evidence: file:genes/human/ATOH1/ATOH1-uniprot.txt Activates E box-dependent transcription
GO:0048663 neuron fate commitment	IBA GO_REF:0000033	ACCEPT	Summary: ATOH1 determines selected excitatory neuronal fates in the developing hindbrain. Reason: This is a central conserved biological role of ATOH1. Reciprocal knock-in experiments in mouse show that ectopic Atoh1 redirects ventricular-zone progenitors to glutamatergic neuronal fates, including cerebellar granule and deep-nuclear neurons. Supporting Evidence: PMID:24695699 ectopically Atoh1-expressing VZ cells produced glutamatergic neurons, including granule cells and deep cerebellar nuclei neurons
GO:0061564 axon development	IBA GO_REF:0000033	KEEP AS NON CORE	Summary: ATOH1-dependent neuronal programs include genes involved in migration and neurite development. Reason: Axon development is plausible and phylogenetically supported, but it is a downstream, neuronal-context output rather than the defining molecular activity of ATOH1. The cached targetome abstract supports broad post-specification programs but does not isolate an ATOH1-specific human axon mechanism. Supporting Evidence: PMID:21300888 The proneural, basic helix-loop-helix transcription factor Atoh1 governs the development of numerous key neuronal subtypes
GO:0005634 nucleus	IEA GO_REF:0000120	ACCEPT	Summary: Automated integration assigns ATOH1 to the nucleus. Reason: This duplicate localization is correct and independently consistent with the reviewed UniProt record and ATOH1's DNA-binding transcription factor activity. Supporting Evidence: file:genes/human/ATOH1/ATOH1-uniprot.txt Nucleus
GO:0046983 protein dimerization activity	IEA GO_REF:0000002	ACCEPT	Summary: The helix-loop-helix domain mediates the dimerization required for efficient DNA binding. Reason: Although less defining than E-box-directed transcriptional activation, dimerization is a mechanistically informative activity of ATOH1 rather than generic protein binding. UniProt records that efficient DNA binding requires a bHLH partner. Supporting Evidence: file:genes/human/ATOH1/ATOH1-uniprot.txt Efficient DNA binding requires dimerization with another bHLH protein.
GO:0048731 system development	IEA GO_REF:0000117	MARK AS OVER ANNOTATED	Summary: ARBA assigns the very broad parent process system development. Reason: The term is not false, but it obscures ATOH1's specific roles in neural, sensory, and epithelial lineage differentiation. More informative processes are already present, so this generic parent adds little biological value.
GO:0000978 RNA polymerase II cis-regulatory region sequence-specific DNA binding	IEA GO_REF:0000107	ACCEPT	Summary: Orthology transfer assigns sequence-specific binding at RNA polymerase II cis-regulatory regions. Reason: This correctly describes the physical DNA-binding component of ATOH1 function. E-box motifs occur in promoters and enhancers of ATOH1 target genes, and the activity is consistent with both the direct human SELEX annotation and mammalian targetome data.
GO:0001228 DNA-binding transcription activator activity, RNA polymerase II-specific	IEA GO_REF:0000107	ACCEPT	Summary: Orthology transfer identifies ATOH1 as a sequence-specific transcriptional activator. Reason: This is the most informative single GO molecular-function term for ATOH1's core activity. UniProt explicitly records activation of E-box-dependent transcription in collaboration with TCF3/E47. Supporting Evidence: file:genes/human/ATOH1/ATOH1-uniprot.txt Activates E box-dependent transcription in collaboration with TCF3/E47
GO:0014014 negative regulation of gliogenesis	IEA GO_REF:0000107	KEEP AS NON CORE	Summary: Mouse-ortholog transfer captures a proneural context in which ATOH1 opposes glial fate. Reason: This is consistent with mutually exclusive progenitor choices and HES-mediated antagonism, but it is a tissue-specific developmental consequence rather than ATOH1's universal molecular function. The available human evidence does not establish a general anti-gliogenic role in every ATOH1-positive lineage.
GO:0045666 positive regulation of neuron differentiation	IEA GO_REF:0000107	ACCEPT	Summary: Orthology transfer assigns ATOH1 a positive role in neuronal differentiation. Reason: This conserved role is supported by the causal mouse fate-conversion experiments, the cerebellar targetome, and derivation of the human ATOH1 lineage from pluripotent stem cells. Supporting Evidence: PMID:34842137 We report a rapid protocol for the derivation of the human ATOH1 lineage, the precursor of excitatory cerebellar neurons, from human pluripotent stem cells (hPSCs).
GO:0045944 positive regulation of transcription by RNA polymerase II	IEA GO_REF:0000107	ACCEPT	Summary: Orthology transfer assigns positive regulation of RNA polymerase II transcription. Reason: This duplicate is accurate and is the correct process counterpart to ATOH1's DNA-binding transcription activator activity. Supporting Evidence: file:genes/human/ATOH1/ATOH1-uniprot.txt Activates E box-dependent transcription
GO:2000982 positive regulation of inner ear receptor cell differentiation	IEA GO_REF:0000107	ACCEPT	Summary: Orthology transfer assigns the conserved ATOH1 requirement for inner-ear hair-cell differentiation. Reason: This specific developmental process is well supported in mammalian genetics and is more informative than generic sensory organ development. The supporting comparison explicitly states that Atoh1 is essential for hair-cell differentiation. Supporting Evidence: PMID:15846349 a gene essential for hair cell differentiation
GO:1990837 sequence-specific double-stranded DNA binding	IDA PMID:28473536 Impact of cytosine methylation on DNA binding specificities ...	ACCEPT	Summary: A systematic methylation-sensitive SELEX study directly assayed human transcription-factor DNA-binding specificity. Reason: The cached text does not expose the ATOH1-specific supplementary row, but the paper is the correct high-throughput human TF-binding study and the asserted activity is independently supported by ATOH1's bHLH architecture, E-box binding, and cis-regulatory DNA-binding annotations. The experimentally curated annotation is therefore retained with this limitation documented rather than overruled. Supporting Evidence: PMID:28473536 By analysis of 542 human TFs with methylation-sensitive SELEX (systematic evolution of ligands by exponential enrichment)
GO:0000785 chromatin	ISA GO_REF:0000113	ACCEPT	Summary: TFClass-based inference places ATOH1 on chromatin. Reason: Sequence-specific transcription factors act on chromatinized cis-regulatory DNA. The cerebellar targetome's in-vivo motif occupancy and direct target-gene analysis are consistent with this location.
GO:0000981 DNA-binding transcription factor activity, RNA polymerase II-specific	ISA GO_REF:0000113	ACCEPT	Summary: TFClass independently classifies ATOH1 as an RNA polymerase II-specific DNA-binding transcription factor. Reason: This duplicate correctly represents ATOH1's core molecular function and agrees with the bHLH domain, E-box binding, and UniProt functional description.
GO:0005634 nucleus	ISS GO_REF:0000024	ACCEPT	Summary: Curator-reviewed sequence-similarity transfer assigns nuclear localization. Reason: Nuclear localization is conserved and directly consistent with the reviewed human UniProt record. Multiple evidence routes supporting the same location are acceptable. Supporting Evidence: file:genes/human/ATOH1/ATOH1-uniprot.txt Nucleus
GO:0045666 positive regulation of neuron differentiation	ISS GO_REF:0000024	ACCEPT	Summary: Curator-reviewed ortholog transfer assigns a positive role in neuronal differentiation. Reason: This duplicate is strongly concordant with causal mammalian evidence and the direct human ATOH1-lineage differentiation model.
GO:0003700 DNA-binding transcription factor activity	TAS PMID:8872459 Evolutionary conservation of sequence and expression of the ...	MODIFY	Summary: The original ortholog-cloning paper identifies ATOH1 as a conserved bHLH transcription factor. Reason: The essence is correct, but GO:0003700 is less informative than the current RNA polymerase II-specific activator term. ATOH1 is not merely a generic DNA-binding transcription factor; it activates E-box-dependent transcription. Proposed replacements: DNA-binding transcription activator activity, RNA polymerase II-specific Supporting Evidence: PMID:8872459 atonal is a Drosophila proneural gene that belongs to the family of basic helix-loop-helix (bHLH)- containing proteins.
GO:0006366 transcription by RNA polymerase II	TAS PMID:8872459 Evolutionary conservation of sequence and expression of the ...	MODIFY	Summary: The legacy annotation associates ATOH1 with RNA polymerase II transcription. Reason: ATOH1 regulates transcription by RNA polymerase II; it does not carry out the polymerase transcription process itself. GO:0045944 expresses the correct regulatory direction and is supported independently by IBA, orthology, and UniProt. Proposed replacements: positive regulation of transcription by RNA polymerase II Supporting Evidence: file:genes/human/ATOH1/ATOH1-uniprot.txt Activates E box-dependent transcription
GO:0007417 central nervous system development	TAS PMID:8872459 Evolutionary conservation of sequence and expression of the ...	KEEP AS NON CORE	Summary: The original study reports conserved hindbrain and spinal-cord expression and proposes a vertebrate CNS-development role. Reason: The annotation matches the authors' expression-based conclusion and is corroborated by later mammalian genetics. It is retained as a broad developmental context, while neuron fate commitment and cerebellar granule-cell differentiation provide more informative process terms. Supporting Evidence: PMID:8872459 The evolutionary conservation of this gene and its mRNA expression patterns during embryogenesis suggests that it plays a key role in the development of the vertebrate central nervous system.
GO:0021707 cerebellar granule cell differentiation	ISS PMID:24695699 Specification of spatial identities of cerebellar neuron pro...	NEW	Summary: Proposed specific annotation for the conserved ATOH1-dependent cerebellar granule-cell lineage. Reason: This current GO term is a conservative and substantially more informative representation of ATOH1's role than broad CNS development. Mouse reciprocal knock-in experiments establish Atoh1-dependent granule-cell fate, and human pluripotent stem cells generate an ATOH1-lineage precursor of excitatory cerebellar neurons. Supporting Evidence: PMID:24695699 ectopically Atoh1-expressing VZ cells produced glutamatergic neurons, including granule cells and deep cerebellar nuclei neurons PMID:34842137 We report a rapid protocol for the derivation of the human ATOH1 lineage, the precursor of excitatory cerebellar neurons, from human pluripotent stem cells (hPSCs).
GO:0060575 intestinal epithelial cell differentiation	IMP PMID:20621629 Atonal homolog 1 is required for growth and differentiation ...	NEW	Summary: Proposed annotation for ATOH1-dependent intestinal secretory epithelial differentiation. Reason: The existing GOA set omits a major conserved epithelial function. Genetic loss in mouse intestine and ATOH1 knockdown in colorectal cell lines show a requirement for secretory-cell differentiation and gene expression. GO:0060575 is used conservatively because GO lacks a single term spanning the goblet, Paneth, and enteroendocrine secretory program. Supporting Evidence: PMID:20621629 The atonal homolog 1 (Atoh1) transcription factor is required for intestinal secretory (goblet, Paneth, enteroendocrine) cell differentiation. PMID:20621629 ATOH1 was required for secretory cell gene expression in cell lines and in mice.

Gene Description

Existing Annotations Review

Core Functions

References

📚 Additional Documentation

Notes

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