A unique allele of MAP kinase,
mpk-1(
ga111), displays a reversible, temperature-sensitive, tissue-specific defect in progression through meiotic prophase I. We performed gene expression profiling on
mpk-1(
ga111) animals at multiple times after shift to permissive temperature to identify candidate downstream effectors of MPK-1 signaling in the germline. This analysis delineated a cohort of genes whose expression requires MPK-1 (MAP kinase) signaling in germ cells in the pachytene stage of meiosis I. Keywords: Timecourse of C. elegans
mpk-1 mutants