Article
AlkB dioxygenase in preventing MMS-induced mutagenesis in Escherichia coli: effect of Pol V and AlkA proteins.
DNA repair - 3 Feb 2006
Nieminuszczy Jadwiga, Sikora Anna, Wrzesiński Michał, Janion Celina, Grzesiuk Elzbieta
Abstract excerpt
The deleterious effect of defective alkB allele encoding 1meA/3meC dioxygenase on reactivation of MMS-treated phage DNA has been frequently studied. Here, it is shown that: (i) AlkB protects the cells not only against the genotoxic but also against the potent mutagenic activity of MMS; (ii) mutations arising in alkB-defected strains are umuDC-dependent, and deletion of umuDC dramatically reduce MMS-induced...
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