Article
The repair of DNA methylation damage in Saccharomyces cerevisiae.
Current genetics - 1 Dec 1996
Xiao W, Chow B L, Rathgeber L
Abstract excerpt
The major genotoxicity of methyl methanesulfonate (MMS) is due to the production of a lethal 3-methyladenine (3MeA) lesion. An alkylation-specific base-excision repair pathway in yeast is initiated by a Mag1 3MeA DNA glycosylase that removes the damaged base, followed by an Apn1 apurinic/ apyrimidinic endonuclease that cleaves the DNA strand at the abasic site for subsequent repair. MMS is also regarded as a...
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