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Cell. 1987 Nov 20;51(4):589-99.

glp-1 is required in the germ line for regulation of the decision between mitosis and meiosis in C. elegans.

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  • 1Laboratory of Cell and Molecular Biology, Graduate School University of Wisconsin, Madison 53706.

Abstract

In the wild-type C. elegans germ line there are both mitotic and meiotic germ cells. Mutations in glp-1 cause germ cells that would normally divide mitotically to enter meiosis. This mutant phenotype mimics the effect of killing the distal tip cell, a somatic cell that interacts with the germ line to regulate the mitotic/meiotic decision. In addition, wild-type glp-1 product is required maternally for embryogenesis. Temperature-shift experiments indicate that the temporal requirement for glp-1 activity in the germ line is the same as that for distal tip cell regulation. Mosaic analyses suggest that glp-1 is produced in the germ line. We propose that glp-1 acts as part of the receiving mechanism in the interaction between the distal tip cell and germ line.

PMID:
3677168
[PubMed - indexed for MEDLINE]
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