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PMID: 815235 Published · ppublish English Journal Article Research Support, U.S. Gov't, P.H.S.

Effect of methionine on chemotaxis by Bacillus subtilis.

Journal of bacteriology ·Vol. 125 ·No. 3 ·1976-03-00 ·Pages 1005-12

Ordal GW

Abstract

Bacillus subtilis, like Escherichia coli and Salmonella typhimurium, carries out chemotaxis by modulating the relative frequency of smooth swimming and tumbling. Like these enteric bacteria, methionine auxotrophs starved for methionine show an abnormally long-period of smooth swimming after addition of attractant. This "hypersensitive" state requires an hour of starvation for its genesis, which can be hastened by including alanine, a strong attractant, in starvation medium. Susceptibility to repellent, which causes transient tumbling when added, if anything, increases slightly by starvation for methionine. The results are interpreted by postulating the existence of a methionine-derived structure that hastens recovery of attractant-stimulated bacteria back to normal.

MeSH Terms
Alanine/pharmacology Bacillus subtilis/drug effects,metabolism Chemotaxis/drug effects Isoleucine/metabolism Mutation Uncoupling Agents/pharmacology Valine/metabolism
Chemicals
Uncoupling Agents Isoleucine Valine Alanine
Authors & Affiliations
1 authors, click to expand affiliations / ORCID
Ordal G W
References (12)
12 references, click to expand
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Article Info
Journal
Journal of bacteriology
Abbr.
J Bacteriol
ISSN
0021-9193
DOI
10.1128/jb.125.3.1005-1012.1976
Published
1976-03-00
Pages
1005-12
Language
English
Region
United States
NLM ID
2985120R
PMCID
PMC236177
Subset
IM
External Links
PubMed source DOI: 10.1128/jb.125.3.1005-1012.1976 PMC Full Text View journal details
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