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PMID:20005870

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Citation

Inoue, T and Sternberg, PW (2010) C. elegans BED domain transcription factor BED-3 controls lineage-specific cell proliferation during organogenesis. Dev. Biol. 338:226-36

Abstract

The control of cell division is critical to organogenesis, but how this control is achieved is not fully understood. We found that mutations in bed-3, encoding a BED Zn-finger domain transcription factor, confer a phenotype where a specific set of cell divisions during vulval organogenesis is lost. Unlike general cell cycle regulators in Caenorhabditis elegans, the function of bed-3 is restricted to specific lineages. Transcriptional reporters suggest that bed-3 is expressed in a limited number of cell types including vulval cells whose divisions are affected in bed-3 mutants. A bed-3 mutation also affects the expression pattern of the cdh-3 cadherin gene in the vulva. The phenotype of bed-3 mutants is similar to the phenotype caused by mutations in cog-1 (Nkx6), a component of a gene regulatory network controlling cell type specific gene expression in the vulval lineage. These results suggest that bed-3 is a key component linking the gene regulatory network controlling cell-type specification to control of cell division during vulval organogenesis.

Links

PubMed PMC2862168 Online version:10.1016/j.ydbio.2009.12.005

Keywords

Animals; Caenorhabditis elegans/physiology; Caenorhabditis elegans Proteins/physiology; Cell Division; Cell Lineage; Cell Proliferation; Female; Gene Regulatory Networks; Organogenesis; Transcription Factors/physiology; Vulva/cytology; Vulva/metabolism

Significance

Annotations

Gene product Qualifier GO Term Evidence Code with/from Aspect Extension Notes Status


See also

References

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