PMID: 375003Jan 31, 1979Paper

Genetics and biochemistry of the peptidoglycan-associated proteins b and c of Escherichia coli K12

Molecular & General Genetics : MGG
C VerhoefH Verheij

Abstract

To collect information on synthesis and regulation of the peptidoglycan-associated pore-forming outer membrane proteins b and c, mutants resistant to phages Me1 and TuIa were analyzed. Genetic analysis showed three linkage groups, corresponding with the genes tolF (phenotype b-c+), meoA (phenotype b+c-) and ompB (phenotypes b-c-, b-c+, b++c- and b++c+/-). It has recently been described that also a b+c- phenotype can occur in the latter linkage group [Chai, T., Foulds, J., J. Bacteriol. 130, 781-786 (1977)]. Among ompB (b-c+)/meoA (b+c-) double mutants strains were found with the b+c- phenotype, showing that ompB is not the structural gene for protein b. Studies on purified proteins b and c showed profound differences between the two proteins with respect to the electrophoretic mobility of fragments obtained by treatment with cyanogen bromide, trypsin and chymotrypsin. The amino acid in position three of the amino-termini of proteins b and c, isolated from isogenic strains, were identified as isoleucine and valine respectively. Both the genetic and biochemical results are consistent with a model recently published [Ichihara, S., Mizushima, S., J. Biochem. (Japan) 83, 1095-1100 (1978)] which predicts that tolF and meoA are the st...Continue Reading

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Citations

Jul 1, 1987·Molecular & General Genetics : MGG·M Heyde, R Portalier
Jan 1, 1984·Molecular & General Genetics : MGG·J TommassenB Lugtenberg
Jan 1, 1985·Molecular & General Genetics : MGG·J C Lazzaroni, R C Portalier
Jan 1, 1981·The Journal of Membrane Biology·H A Shuman
Aug 1, 1989·Proceedings of the National Academy of Sciences of the United States of America·S ForstM Inouye
Sep 1, 1980·European Journal of Biochemistry·N OverbeekeB Lugtenberg
Apr 1, 1987·European Journal of Biochemistry·C VerhoefJ Tommassen
Oct 16, 1999·Proceedings of the National Academy of Sciences of the United States of America·S K AmesL J Kenney
Jan 31, 1979·Molecular & General Genetics : MGG·L van AlphenL Havekes
May 6, 2015·Progress in Biophysics and Molecular Biology·Yong Hwee FooLinda J Kenney
Nov 20, 1989·Journal of Molecular Biology·J M Slauch, T J Silhavy
Jan 1, 1986·Critical Reviews in Microbiology·T Nakae
Apr 26, 2002·The Journal of Biological Chemistry·Sheng Jian Cai, Masayori Inouye
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Mar 1, 1981·Journal of Bacteriology·J C Lazzaroni, R C Portalier
Nov 1, 1990·Journal of Bacteriology·M L BernardiniP J Sansonetti

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