Article
Endogenous DNA abasic sites cause cell death in the absence of Apn1, Apn2 and Rad1/Rad10 in Saccharomyces cerevisiae.
The EMBO journal - 3 Jun 2002
Guillet Marie, Boiteux Serge
Abstract excerpt
In Saccharomyces cerevisiae, mutations in APN1, APN2 and either RAD1 or RAD10 genes are synthetic lethal. In fact, apn1 apn2 rad1 triple mutants can form microcolonies of approximately 300 cells. Expression of Nfo, the bacterial homologue of Apn1, suppresses the lethality. Turning off the expression of Nfo induces G(2)/M cell cycle arrest in an apn1 apn2 rad1 triple mutant. The activation of this checkpoint is...
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