Article
Characterization of spontaneous mutation in the oxyR strain of Escherichia coli.
Biochemical and biophysical research communications - 20 Dec 2000
Yamamura E, Nunoshiba T, Kawata M, Yamamoto K
Abstract excerpt
Escherichia coli K-12 strain EY5, deficient in oxyR, was constructed to assess the role of oxyR and oxyR-regulated regulon in spontaneous mutagenesis. Mutagenesis was monitored by selecting two forward mutations of colicin B-sensitive to resistance and valine-sensitive to resistance, one base substitution mutation of rifampicin-sensitive to resistance and one reversion of argE3 his-4 to Arg(+) His(+). Deficiency...
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