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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
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.
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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