Control of the proliferation versus meiotic development decision in theC. elegans germline through regulation of GLD-1 proteinaccumulation
摘要：
Maintenance of the stem cell population in the C. elegans germline requires GLP-1/Notch signaling. We show that this signaling inhibits the accumulation of the RNA binding protein GLD-1. In a genetic screen to identify other genes involved in regulating GLD-1 activity, we identified mutations in the nos-3 gene, the protein product of which is similar to the Drosophila translational regulator Nanos. Our data demonstrate that nos-3 promotes GLD-1 accumulation redundantly with gld-2 , and that nos-3 functions genetically downstream or parallel to fbf , an inhibitor of GLD-1 translation. We show that the GLD-1 accumulation pattern is important in controlling the proliferation versus meiotic development decision, with low GLD-1 levels allowing proliferation and increased levels promoting meiotic entry.
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DOI：
10.1023/A:1024442301124
被引量：
年份：
2004
NCBI
Europe PMC
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