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. 1985 Dec;164(3):1362–1365. doi: 10.1128/jb.164.3.1362-1365.1985

Spontaneous induction of colicin E1 in Escherichia coli strains deficient in both exonucleases I and V.

C L Bassett, S R Kushner
PMCID: PMC219340  PMID: 3934144

Abstract

Colicin E1 synthesis is spontaneously induced in pRSF2124-carrying strains of Escherichia coli deficient in exonucleases I (sbcB) and V (recB recC). In contrast, the specific activity of beta-lactamase, which is also encoded by pRSF2124, is not affected by the absence of these enzymes. These results suggest that colicin E1 induction is specific and does not result either from a significant change in overall plasmid transcription or copy number. Furthermore, the level of spontaneous induction was similar to that obtained with mitomycin C.

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Selected References

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