Article
DnaE2 polymerase contributes to in vivo survival and the emergence of drug resistance in Mycobacterium tuberculosis.
Cell - 18 Apr 2003
Boshoff Helena I M, Reed Michael B, Barry Clifton E, Mizrahi Valerie
Abstract excerpt
The presence of multiple copies of the major replicative DNA polymerase (DnaE) in some organisms, including important pathogens and symbionts, has remained an unresolved enigma. We postulated that one copy might participate in error-prone DNA repair synthesis. We found that UV irradiation of Mycobacterium tuberculosis results in increased mutation frequency in the surviving fraction. We identified dnaE2 as a gene...
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