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. 1979 Dec;140(3):798-804.
doi: 10.1128/jb.140.3.798-804.1979.

Response to a metal ion-citrate complex in bacterial sensing

T D Ingolia, D E Koshland Jr

Response to a metal ion-citrate complex in bacterial sensing

T D Ingolia et al. J Bacteriol. 1979 Dec.

Abstract

Salmonella typhimurium responds chemotactically to gradients of divalent cations in the presence of citrate ions. The actual chemoeffector is the citrate-metal ion complex, which acts as an attractant. Citrate (which is also a chemoeffector for Salmonella) and the citrate-metal ion complex are recognized by different receptors. The response of Salmonells, which can transport citrate through its membrane, is quite different than that of Escherichia coli, which cannot.

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