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Applied and Environmental Microbiology, January 2009, p. 281-285, Vol. 75, No. 1
0099-2240/09/$08.00+0     doi:10.1128/AEM.01803-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

Autoinducer-2 Production in Campylobacter jejuni Contributes to Chicken Colonization {triangledown}

Beatriz Quiñones,* William G. Miller, Anna H. Bates, and Robert E. Mandrell

U.S. Department of Agriculture, Agricultural Research Service, Western Regional Research Center, Produce Safety and Microbiology Research Unit, Albany, California 94710

Received 4 August 2008/ Accepted 6 November 2008

Inactivation of luxS, encoding an AI-2 biosynthesis enzyme, in Campylobacter jejuni strain 81-176 significantly reduced colonization of the chick lower gastrointestinal tract, chemotaxis toward organic acids, and in vitro adherence to LMH chicken hepatoma cells. Thus, AI-2 production in C. jejuni contributes to host colonization and interactions with epithelial cells.

* Corresponding author. Mailing address: U.S. Department of Agriculture, Agricultural Research Service, Western Regional Research Center, Produce Safety and Microbiology Research Unit, 800 Buchanan Street, Albany, CA 94710. Phone: (510) 559-6097. Fax: (510) 559-6162. E-mail: Beatriz.Quinones{at}ars.usda.gov

{triangledown} Published ahead of print on 14 November 2008.

Applied and Environmental Microbiology, January 2009, p. 281-285, Vol. 75, No. 1
0099-2240/09/$08.00+0     doi:10.1128/AEM.01803-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.





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