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Article

E. coli BW535, a triple mutant for the DNA repair genes xth, nth, and nfo, chronically induces the SOS response.

Environmental and molecular mutagenesis - 1 Jan 2003

Janion Celina, Sikora Anna, Nowosielska Anetta, Grzesiuk Elzbieta

Abstract excerpt

A strong chronic induction of the SOS response system occurs in E. coli BW535, a strain defective in nth, nfo and xth genes, and hence severely deficient in the repair of abasic sites in DNA. This was shown here by visualization of filamentous growth of the BW535 strain and by measuring the level of beta-galactosidase expressed in BW535/pSK1002 in comparison to the AB1157/pSK1002 strain. The plasmid pSK1002 bears...

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PMID: 12717778
DOI: 10.1002/em.10154

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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