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Journal of Bacteriology, January 2006, p. 348-351, Vol. 188, No. 1
0021-9193/06/$08.00+0 doi:10.1128/JB.188.1.348-351.2006
Copyright © 2006, American Society for Microbiology. All Rights Reserved.
Mutations in Flavobacterium johnsoniae secDF Result in Defects in Gliding Motility and Chitin Utilization
Shawn S. Nelson and
Mark J. McBride*
Department of Biological Sciences, University of WisconsinMilwaukee, P.O. Box 413, Milwaukee, Wisconsin 53201
Received 7 September 2005/
Accepted 11 October 2005
secDF mutants of Flavobacterium johnsoniae were deficient in gliding motility and chitin utilization. Cells of the mutants had reduced levels of GldJ protein, which is required for both processes. SecDF is similar to Escherichia coli SecD and SecF, which are involved in protein secretion.
* Corresponding author. Mailing address: Department of Biological Sciences, 181 Lapham Hall, University of WisconsinMilwaukee, 3209 N. Maryland Ave., Milwaukee, WI 53211. Phone: (414) 229-5844. Fax: (414) 229-3926. E-mail:
mcbride{at}uwm.edu.
Journal of Bacteriology, January 2006, p. 348-351, Vol. 188, No. 1
0021-9193/06/$08.00+0 doi:10.1128/JB.188.1.348-351.2006
Copyright © 2006, American Society for Microbiology. All Rights Reserved.
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