Article
The Saccharomyces cerevisiae checkpoint genes RAD9, CHK1 and PDS1 are required for elevated homologous recombination in a mec1 (ATR) hypomorphic mutant.
Cell cycle (Georgetown, Tex.) - 1 Aug 2008
Fasullo Michael, Sun Mingzeng
Abstract excerpt
Specific ataxia telangiectasia and Rad3-related (ATR) mutations confer higher frequencies of homologous recombination. The genetic requirements for hyper-recombination in ATR mutants are unknown. MEC1, the essential yeast ATR/ATM homolog, controls S and G(2) checkpoints and the DNA damage-inducibility of genes after radiation exposure. Since the mec1-Delta (null) mutant is defective in both S and G(2)...
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