Article
Transcription-dependent increase in multiple classes of base substitution mutations in Escherichia coli.
Journal of bacteriology - 1 Dec 2002
Klapacz Joanna, Bhagwat Ashok S
Abstract excerpt
We showed previously that transcription in Escherichia coli promotes C. G-to-T. A transitions due to increased deamination of cytosines to uracils in the nontranscribed but not the transcribed strand (A. Beletskii and A. S. Bhagwat, Proc. Natl. Acad. Sci. USA 93:13919-13924, 1996). To study mutations other than that of C to T, we developed a new genetic assay that selects only base substitution mutations and...
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