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Infection and Immunity, July 2001, p. 4661-4666, Vol. 69, No. 7
0019-9567/01/$04.00+0   DOI: 10.1128/IAI.69.7.4661-4666.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

Distribution of Quorum-Sensing Genes in the Burkholderia cepacia Complex

E. Lutter,1 S. Lewenza,1,dagger J. J. Dennis,2 M. B. Visser,1 and P. A. Sokol1,*

Department of Microbiology and Infectious Diseases, University of Calgary Health Sciences Center, Calgary, Alberta, Canada T2N 4N1,1 and Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada T6G 2E92

Received 22 January 2001/Returned for modification 22 February 2001/Accepted 26 March 2001

The distribution of quorum-sensing genes among strains from seven genomovars of the Burkholderia cepacia complex was examined by PCR. cepR and cepI were amplified from B. cepacia genomovars I and III, B. stabilis, and B. vietnamiensis. cepR was also amplified from B. multivorans and B. cepacia genomovar VI. bviIR were amplified from B. vietnamiensis. All genomovars produced N-octanoyl-L-homoserine lactone and N-hexanoyl-L-homoserine lactone. B. vietnamiensis and B. cepacia genomovar VII produced additional N-acyl-L-homoserine lactones.

* Corresponding author. Mailing address: Department of Microbiology and Infectious Diseases, University of Calgary Health Sciences Center, 3330 Hospital Dr., N. W., Calgary, Alberta, Canada T2N 4N1. Phone: (403) 220-6037. Fax: (403) 270-2772. E-mail: psokol{at}ucalgary.ca.

dagger Present address: Department of Microbiology and Immunology, University of British Columbia, Vancouver, British Columbia, Canada.

Infection and Immunity, July 2001, p. 4661-4666, Vol. 69, No. 7
0019-9567/01/$04.00+0   DOI: 10.1128/IAI.69.7.4661-4666.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.


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