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Science 7 July 1978:
Vol. 201. no. 4350, pp. 63 - 65
DOI: 10.1126/science.351803
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Articles

Science, Vol 201, Issue 4350, 63-65
Copyright © 1978 by American Association for the Advancement of Science

articles

Attraction by repellents: an error in sensory information processing by bacterial mutants

MA Muskavitch, EN Kort, MS Springer, MF Goy, and J Adler

Normal Escherichia coli bacteria are repelled by acetate, benzoate, and indole and attracted by alpha-aminoisobutyrate. We have isolated mutants that are attracted to acetate, benzoate, and indole and may be repelled by alpha-aminoisobutyrate. These reversed-taxis mutants are defective in a central processing component: a set of methylated proteins known as MCP 1. The mechanism of reversal of taxis is discussed.


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Science. ISSN 0036-8075 (print), 1095-9203 (online)