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Germ granules are germ lineage-specific ribonucleoprotein (RNP) complexes, but how they are assembled and specifically segregated to germ lineage cells remains unclear. Here, we show that the PGL proteins PGL-1 and PGL-3 serve as the scaffold for germ granule formation in Caenorhabditis elegans. Using cultured mammalian cells, we found that PGL proteins(More)
p53 is a tumor suppressor gene whose regulation is crucial to maintaining genome stability and for the apoptotic elimination of abnormal, potentially cancer-predisposing cells. C. elegans contains a primordial p53 gene, cep-1, that acts as a transcription factor necessary for DNA damage-induced apoptosis. In a genetic screen for negative regulators of(More)
Eukaryotic initiation factor 5A (eIF-5A) was originally isolated as a translation initiation factor. However, this function has since been reconsidered, with recent studies pointing to roles for eIF-5A in mRNA metabolism and trafficking [Microbiol. Mol. Biol. Rev. 66 (2002) 460; Eur. Mol. Biol. Org. J. 17 (1998) 2914]. The Caenorhabditis elegans genome(More)
The developmental timing of all types of cells must be synchronized and spatially coordinated to achieve the organized development of a multicellular organism. Previously, we found RNAi of asb-1, encoding a germline-specific isoform of mitochondrial ATP synthase b subunit, caused 100% penetrant sterility in Caenorhabditis elegans. ATP synthase is one of the(More)
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