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Article

Signal strains that can detect certain DNA replication and membrane mutants of Escherichia coli: isolation of a new ssb allele, ssb-3.

Journal of bacteriology - 1 Aug 1990

Schmellik-Sandage C S, Tessman E S

Abstract excerpt

Mutations in several dna genes of Escherichia coli, when introduced into a strain with a lac fusion in the SOS gene sulA, resulted in formation of blue colonies on plates containing 5-bromo-4-chloro-3-indolyl-beta-D-galactoside (X-Gal). Unexpectedly, several lines of evidence indicated that the blue colony color was not primarily due to induction of the SOS system but rather was due to a membrane defect, along...

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Identifiers

PMID: 2142938
DOI: 10.1128/jb.172.8.4378-4385.1990
PMCID: PMC213264

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