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Journal of Bacteriology, October 2004, p. 6643-6646, Vol. 186, No. 19
0021-9193/04/$08.00+0     DOI: 10.1128/JB.186.19.6643-6646.2004
Copyright © 2004, American Society for Microbiology. All Rights Reserved.

Effect of Chemoreceptor Modification on Assembly and Activity of the Receptor-Kinase Complex in Escherichia coli

ZMBH, University of Heidelberg, Heidelberg, Germany,¹ Department of Molecular and Cellular Biology, Harvard University, Cambridge, Massachusetts²

Received 3 March 2004/ Accepted 8 July 2004

Bacterial chemoreceptors are embedded in the inner cell membrane in tight clusters. We show that changes in receptor methylation that generate large changes in kinase activity have relatively little effect on cluster morphology. Thus, changes in receptor activity do not appear to be mediated by changes in receptor-kinase assembly.

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