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Literature DB >> 14702329

Biphasic excitation by leucine in Escherichia coli chemotaxis.

Abstract

Leucine concentration jumps (applied by photolysis of inert derivatives) triggered swim or tumble responses in Escherichia coli mutants lacking Tsr or Tar, respectively. Wild-type E. coli bacteria were attracted in spatial assays when the initial leucine concentration difference was 5 to 120 micro M but were repulsed when it was over 0.5 mM. Their responses to concentration jumps confirmed earlier deductions regarding biphasic excitation.

Entities: Chemical Gene Species

Mesh：

Substances：
Leucine

Year: 2004 PMID： 14702329 PMCID： PMC305766 DOI： 10.1128/JB.186.2.588-592.2004

Source DB: PubMed Journal: J Bacteriol ISSN： 0021-9193 Impact factor: 3.490

17 in total

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Authors: Peter Ames; Claudia A Studdert; Rebecca H Reiser; John S Parkinson
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10. Quantitative modeling of sensitivity in bacterial chemotaxis: the role of coupling among different chemoreceptor species.

Authors: Bernardo A Mello; Yuhai Tu
Journal: Proc Natl Acad Sci U S A Date: 2003-06-25 Impact factor: 12.779

5 in total

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Authors: Pingping Zhou; Xinyu Hao; Yu Liu; Zeqi Yang; Miaochan Xu; Shaowei Liu; Shixiong Zhang; Tianxiao Yang; Xiaomei Wang; Yangang Wang
Journal: Chin Med Date: 2021-05-01 Impact factor: 4.546