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Article

LexA-independent expression of a mutant mucAB operon.

Journal of bacteriology - 1 Nov 1990

McNally K P, Freitag N E, Walker G C

Abstract excerpt

pKM101 is a naturally occurring plasmid that carries mucAB, an analog of the umuDC operon, the gene products of which are required for the SOS-dependent processing of damaged DNA necessary for most mutagenesis. Genetic studies have indicated that mucAB expression is controlled by the SOS regulatory circuit, with LexA acting as a direct repressor. pGW16 is a pKM101 derivative obtained by...

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Identifiers

PMID: 2228957
DOI: 10.1128/jb.172.11.6223-6231.1990
PMCID: PMC526803

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Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Research trail→

Click a neighbor to travelStep 1 · 12 closest

LexA-independent expression of a mutant mucAB operon.PMID 2228957Read ↗

Plasmid pGW16, a derivative of pKM101, increases post-UV DNA synthesis, but sensitises some strains of Escherichia coli to UV.Semantic proximity Read ↗

Complementation of a pKM101 derivative that decreases resistance to UV killing but increases susceptibility to mutagenesis.Semantic proximity Read ↗

Differentiation of Pseudomonas aeruginosa into the alginate-producing form: inactivation of mucB causes conversion to mucoidy.Semantic proximity Read ↗

The Regulation of LexA on UV-Induced SOS Response in Myxococcus xanthus Based on Transcriptome Analysis.Semantic proximity Read ↗

Heterospecific expression of misrepair-enhancing activity of mucAB in Escherichia coli and Bacillus subtilis.Semantic proximity Read ↗

Proteolytic activation of UmuD and MucA proteins for SOS mutagenesis.Semantic proximity Read ↗

New mutations in cloned Escherichia coli umuDC genes: novel phenotypes of strains carrying a umuC125 plasmid.Semantic proximity Read ↗

MutS deficiency and activity of the error-prone DNA polymerase IV are crucial for determining mucA as the main target for mucoid conversion in Pseudomonas aeruginosa.Semantic proximity Read ↗

Unusual insertion element polymorphisms in the promoter and terminator regions of the mucAB-like genes of R471a and R446b.Semantic proximity Read ↗

Introduction of the plasmid pKM101-associated muc genes into Saccharomyces cerevisiae.Semantic proximity Read ↗

Genetic basis of the MbrC "ploidy" phenotype in Escherichia coli.Semantic proximity Read ↗

Different UmuC requirements for generation of different kinds of UV-induced mutations in Escherichia coli.Semantic proximity Read ↗

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