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. 1983;192(3):509-11.
doi: 10.1007/BF00392198.

Role of the E. coli umuC gene product in the repair of single-stranded DNA phage

M Defais

Role of the E. coli umuC gene product in the repair of single-stranded DNA phage

M Defais. Mol Gen Genet. 1983.

Abstract

The umuC product of Escherichia coli has been suggested to have a central role in SOS induced error prone replication of DNA (Kato and Shinoura 1977). To investigate this possibility, we examined the effect of umuC mutations on error prone repair of single and double-stranded DNA phages. No Weigle reactivation of M13 phage was detected in a umuC mutant. Reactivation of lambda phage was reduced but still evident. However mutagenesis occurred in both cases. These results suggest that induced error prone replication of phage DNA can occur via umuC dependent (transdimer synthesis) and umuC independent mechanisms.

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