Interaction of the exr and lon genes in Escherichia coli.

Journal of Bacteriology
J DonchJ Greenberg

Abstract

Strains of Escherichia coli carrying the gene lon typically produced excess capsular polysaccharide, and were sensitive to ultraviolet light (UV) irradiation, thymine starvation, and nalidixic acid, forming long filaments after these treatments. Sensitivity was reduced by a number of posttreatments. In the presence of a second UV sensitivity gene, exr, some of these properties were suppressed: long filaments were not formed, the effect of lon on UV and nalidixic acid sensitivity was greatly reduced, and irradiation posttreatments gave an enhancement of survival characteristic of exr rather than lon strains. Production of capsular polysaccharide was not affected by the exr gene.

References

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Citations

Apr 1, 1971·Genetical Research·J J DonchJ Greenberg
May 7, 1976·Molecular & General Genetics : MGG·C Hamelin, Y Chung
Dec 1, 1969·Photochemistry and Photobiology·M H GreenJ Greenberg
May 1, 1984·Photochemistry and Photobiology·R E Carvalho, A C Leitão
Jan 1, 1995·BioEssays : News and Reviews in Molecular, Cellular and Developmental Biology·B A Bridges
Jan 1, 1981·Molecular & General Genetics : MGG·S G SedgwickR W Heath
Feb 1, 1975·Genetical Research·J GreenbergL Berends
Jan 1, 1970·Molecular & General Genetics : MGG·A L Schroeder
Jan 1, 1970·Molecular & General Genetics : MGG·J R Walker, J A Smith
Aug 27, 1975·Molecular & General Genetics : MGG·M J Worsey, B M Wilkins
Jan 1, 1972·Mutation Research·N J Marshall, N E Gillies
Dec 1, 1974·Mutation Research·J Donch, J Greenberg
Jun 1, 1974·Bacteriological Reviews·M Slater, M Schaechter
Oct 1, 1969·Journal of Bacteriology·R B Helling

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