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Developmental Regulation Of A Cyclin-Dependent Kinase Inhibitor Controls Postembryonic Cell Cycle Progression In Caenorhabditis Elegans, Yang Hong, Richard Roy, Victor Ambros
Developmental Regulation Of A Cyclin-Dependent Kinase Inhibitor Controls Postembryonic Cell Cycle Progression In Caenorhabditis Elegans, Yang Hong, Richard Roy, Victor Ambros
Dartmouth Scholarship
C. elegans cki-1 encodes a member of the CIP/KIP family of cyclin-dependent kinase inhibitors, and functions to link postembryonic developmental programs to cell cycle progression. The expression pattern of cki-1::GFP suggests that cki-1 is developmentally regulated in blast cells coincident with G1, and in differentiating cells. Ectopic expression of CKI-1 can prematurely arrest cells in G1, while reducing cki-1 activity by RNA-mediated interference (RNAi) causes extra larval cell divisions, suggesting a role for cki-1 in the developmental control of
INTRODUCTION
The proper development of a multicellular organism requires the precise orchestration of cell proliferation and differentiation. Despite considerable progress toward …