ArticleGenes & genomics2022
A class I histone deacetylase HDA-2 is essential for embryonic development and size regulation of fertilized eggs in Caenorhabditis elegans.
Article in Genes & genomics, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 2 citations in OpenAlex.
- The tumor suppressor NDRG2 recruits protein phosphatase 2A to suppress STAT5 phosphorylation in adult T-cell leukemia/lymphoma.The Journal of biological chemistry · 2026Article
- Developmental Exposures to Three Mammalian Teratogens Produce Dysmorphic Phenotypes in AdultToxics · 2025Article
- Genomic perspectives on epigenetics.Genes & genomics · 2022Review
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
backgroundCaenorhabditis elegans encodes three class I histone deacetylases (HDACs), HDA-1, HDA-2, and HDA-3. Although HDA-1 is known to be involved in embryogenesis, the regulatory roles of HDA-2 and HDA-3 in embryonic development remain unexplored.
objectiveTo elucidate the functional roles of the three class I HDACs in C. elegans embryonic development.
methodsThe roles of Class I HDACs, HDA-1, HDA-2, and HDA-3 in Caenorhabditis elegans during embryogenesis were investigated through the analysis of embryonic lethality via gene knockdown or deletion mutants. Additionally, the size of these knockdown and mutant eggs was observed using a differential interference contrast microscope. Finally, expression pattern and tissue-specific role of hda-2 and transcriptome of the hda-2 mutant were analyzed.
resultsHere, we report that HDA-1 and HDA-2, but not HDA-3, play essential roles in Caenorhabditis elegans embryonic development. Our observations of the fertilized egg size variance demonstrated that HDA-2 is involved in regulating the size of fertilized eggs. Combined analysis of expression patterns and sheath cell-specific rescue experiments indicated that the transgenerational role of HDA-2 is involved in the viability of embryonic development and fertilized egg size regulation. Furthermore, transcriptome analysis of hda-2 mutant embryos implies that HDA-2 is involved in epigenetic regulation of embryonic biological processes by downregulating and upregulating the gene expression.
conclusionOur finding suggests that HDA-2 regulates the embryonic development in Caenorhabditis elegans by controling a specific subset of genes, and this function might be mediated by transgenerational epigenetic effect.
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