JCVI: Genetic Redundancy Masks Diverse Functions of the Tumor Suppressor Gene PTEN During C. elegans Development
 
 
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Suzuki, Y., Han, M.

Genetic Redundancy Masks Diverse Functions of the Tumor Suppressor Gene PTEN During C. elegans Development

Genes Dev. 2006 Feb 15; 20(4): 423-8.

PubMed Citation

Abstract

Genetic redundancy is associated with a large percentage of genes. We investigated PTEN (phosphatase and tensin homolog deleted on chromosome 10) tumor suppressor gene functions that eluded single mutant analyses, using a Caenorhabditis elegans genome-wide screen. We show that at least 27 genes collaborate with the worm PTEN homolog daf-18 for various functions previously concealed by genetic redundancy, including embryogenesis, cuticle turnover, egg laying, and oocyte maturation. In one example, daf-18 appears to constitute a cell-autonomous germline signal that converges with a somatic gonad signal mediated by ceh-18 at a kinase inhibition. We provide evidence that daf-18 elicits some functions independent of the downstream gene daf-16.

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