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Journal of Bacteriology, March 2007, p. 2571-2574, Vol. 189, No. 6
0021-9193/07/$08.00+0     doi:10.1128/JB.01761-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

The Sugar Phosphotransferase System of Vibrio fischeri Inhibits both Motility and Bioluminescence{triangledown}

Karen L. Visick, Therese M. O'Shea, Adam H. Klein, Kati Geszvain, and Alan J. Wolfe*

Department of Microbiology and Immunology, Loyola University Chicago, 2160 South First Ave., Bldg. 105, Maywood, Illinois 60153

Received 17 November 2006/ Accepted 2 January 2007

Magnesium-dependent induction of Vibrio fischeri flagellar (Mif) biogenesis depends upon two diguanylate cyclases, suggesting an inhibitory role for cyclic di-GMP. Here, we report that cells defective for the sugar phosphotransferase system (PTS) exhibited a magnesium-independent phenotype similar to that of mutants of the Mif pathway. Unlike Mif mutants, PTS mutants also were hyperbioluminescent.

* Corresponding author. Mailing address: Department of Microbiology and Immunology, Loyola University Medical School, 2160 S. First Ave., Bldg. 105, Rm. 3846, Maywood, IL 60153. Phone: (708) 216-5814. Fax: (708) 216-9574. E-mail: awolfe{at}lumc.edu.

{triangledown} Published ahead of print on 12 January 2007.

Journal of Bacteriology, March 2007, p. 2571-2574, Vol. 189, No. 6
0021-9193/07/$08.00+0     doi:10.1128/JB.01761-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.





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