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Applied and Environmental Microbiology, December 2003, p. 7527-7530, Vol. 69, No. 12
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.12.7527-7530.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.

Chemoattraction of Vibrio fischeri to Serine, Nucleosides, and N-Acetylneuraminic Acid, a Component of Squid Light-Organ Mucus

Cindy R. DeLoney-Marino,{dagger} Alan J. Wolfe, and Karen L. Visick*

Department of Microbiology and Immunology, Loyola University Chicago, Maywood, Illinois 60153

Received 23 June 2003/ Accepted 19 August 2003

Newlyhatched juveniles of the Hawaiian squid Euprymna scolopes rapidly become colonized by the bioluminescent marine bacterium Vibrio fischeri. Motility is required to establish the symbiotic colonization, but the role of chemotaxis is unknown. In this study we analyzed chemotaxis of V. fischeri to a number of potential attractants. The bacterium migrated toward serine and most sugars tested. V. fischeri also exhibited the unusual ability to migrate to nucleosides and nucleotides as well as to N-acetylneuraminic acid, a component of squid mucus.


* Corresponding author. Mailing address: Department of Microbiology and Immunology, Loyola University Chicago, 2160 S. First Ave., Bldg. 105, Maywood, IL 60153. Phone: (708) 216-0869. Fax: (708) 216-9574. E-mail: kvisick{at}lumc.edu.

{dagger} Present address: University of Southern Indiana, Department of Biology, Evansville, IN 47712.


Applied and Environmental Microbiology, December 2003, p. 7527-7530, Vol. 69, No. 12
0099-2240/03/$08.00+0     DOI: 10.1128/AEM.69.12.7527-7530.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.




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