The Journal of General and Applied Microbiology
Online ISSN : 1349-8037
Print ISSN : 0022-1260
ISSN-L : 0022-1260
INDUCIBLE RESISTANCE TO ZINC AND THE EFFECT OF THIS ION ON THE COMPOSITION OF OUTER MEMBRANE PROTEINS IN VIBRIO PARAHAEMOLYTICUS
TETSURO KOGAKENJI TAKUMI
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1996 Volume 42 Issue 6 Pages 493-500

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Abstract

Resistance to Zn2+ in Vibrio parahaemolyticus was induced when the bacteria were pretreated with lower concentrations of Zn2+. However, only a little resistance to Cd2+ and Co2+ was induced with Zn2+ and no resistance to Zn2+, Cd2+, or Co2+ was induced with Cd2+ or Co2+. The change of composition of outer membrane proteins from the bacteria grown in 3% NaCl-LB broth containing Zn2+ was more remarkable than that from the cells grown in the medium containing Cd2+ or Co2+. The amount of outer membrane protein with an apparent molecular weight of 48, 000 was increased with increasing Zn2+ concentrations in the medium.

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© The Microbiology Research Foundation
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