Statistical measures of bacterial motility and chemotaxis

This paper presents a model for the three-dimensional microscopic behavior of motile bacteria, and relates its parameters to five practical measures of bacterial motility and chemotaxis (direction correlation function, diffusion constant, persistence time, average velocity, and up/down ratio). The a...

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Bibliographic Details
Published inJournal of theoretical biology Vol. 50; no. 2; pp. 477 - 496
Main Authors Lovely, Peter S., Dahlquist, F.W.
Format Journal Article
LanguageEnglish
Published England Elsevier Ltd 01.04.1975
Subjects
Bacterial Physiological Phenomena
Chemotaxis
Diffusion
Escherichia coli
Memory
Models, Biological
Movement
Polymers
Probability
Rotation
Salmonella typhimurium
Time Factors
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Summary:This paper presents a model for the three-dimensional microscopic behavior of motile bacteria, and relates its parameters to five practical measures of bacterial motility and chemotaxis (direction correlation function, diffusion constant, persistence time, average velocity, and up/down ratio). The attractant gradient dependences of persistence time, average velocity, and up/down ratio are related to a single function describing the gradient sensing mechanism.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0022-5193
1095-8541
DOI:10.1016/0022-5193(75)90094-6