Effects of Chemoattractants on the Motility of Escherichia coli View Full Text


Ontology type: schema:ScholarlyArticle     


Article Info

DATE

1973-08

AUTHORS

RAL NOSSAL, S. H. CHEN

ABSTRACT

QUANTITATIVE studies of the chemotactic movements of flagellated bacteria have been reported recently1–5, and various details of the tactic response elicited by spatial gradients of certain sugars and amino acids have been established1–3. It has been shown, for example, that, over small ranges of chemo-attractant concentration, the chemotactic velocity is approximately proportional to the ratio of the gradient divided by the concentration (that is, Fechner's law)1–3. It is also known that response velocity depends on the absolute value of the chemoattractant concentration, increasing with values of attractant concentration up to a certain point (between 10−4 and 10−2 M, depending on the identity of the attractant), but then decreasing markedly at higher concentrations1–3. More... »

PAGES

253

Identifiers

URI

http://scigraph.springernature.com/pub.10.1038/newbio244253a0

DOI

http://dx.doi.org/10.1038/newbio244253a0

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1009544320

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/4580166


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