Abstract
Inducible stable DNA replication (iSDR) provoked by a damaging treatment with MMS, MNU, MNNG, NFAA, NFN, 4NQO, NAL or MMC, was followed in both repair-competent E. coli PQ35 and its uvrA derivative E. coli PQ37. In contrast to SOS-inducible mutagenesis, which is more pronounced in excision-deficient cells, iSDR was more obvious in repair-competent cells. This may be due to special features of iSDR and need not indicate involvement of the uvrA gene product in it.
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