Article
Impact of reactive oxygen species on spontaneous mutagenesis in Escherichia coli.
Genes to cells : devoted to molecular & cellular mechanisms - 1 Jul 2006
Sakai Akiko, Nakanishi Mari, Yoshiyama Kaoru, Maki Hisaji
Abstract excerpt
Reactive oxygen species (ROS) are potent oxidants that attack chromosomal DNA and free nucleotides, leading to oxidative DNA damage that causes genetic alterations. To avoid the ROS-mediated mutagenesis, cells have elaborate mechanisms including powerful antioxidant components and repair pathways that eliminate oxidative DNA damage. Because of the effective anti-mutagenic functions, it has been unclear to what...
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