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Attraction by Repellents: An Error in Sensory Information Processing by Bacterial Mutants

Marc A. Muskavitch, Edward N. Kort, Martin S. Springer, Michael F. Goy and Julius Adler
Science
New Series, Vol. 201, No. 4350 (Jul. 7, 1978), pp. 63-65
Stable URL: http://www.jstor.org/stable/1746425
Page Count: 3
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Attraction by Repellents: An Error in Sensory Information Processing by Bacterial Mutants
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Abstract

Normal Escherichia coli bacteria are repelled by acetate, benzoate, and indole and attracted by α-aminoisobutyrate. We have isolated mutants that are attracted to acetate, benzoate, and indole and may be repelled by α-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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