Mizuno, Takafumi and Mutoh, Norihiro and Panasenko, Sharon M. and Imae, Yasuo (1986) Acquisition of Maltose Chemotaxis in Salmonella typhimurium by the Introduction of the Escherichia coli Chemosensory Transducer Gene. Journal of Bacteriology, 165 (3). pp. 890-895. ISSN 0021-9193 http://resolver.caltech.edu/CaltechAUTHORS:20120627-105318623
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Escherichia coli and Salmonella typhimurium are closely related species. However, E. coli cells show maltose chemotaxis but S. typhimurium cells do not. When an E. coli chemotransducer gene (tar_E), the product of which is required for both aspartate and maltose chemotaxis, was introduced by using a plasmid vector into S. typhimurium cells with a defect in the corresponding gene (tar_S), the transformant cells acquired the ability for both aspartate and maltose chemotaxis. In contrast, when the tar_s gene was introduced into tar_E-deficient E. coli cells, the transformant cells acquired aspartate chemotaxis but not maltose chemotaxis. These results indicate that the absense of maltose chemotaxis in S. typhimurium is a consequence of the properties of the tar_s gene product.
|Additional Information:||© 1986 American Society for Microbiology. Received 14 October 1985. Accepted 3 December 1985. We thank L. R. Bullas of Loma Linda University, D. E. Koshland, Jr., of the University of California at Berkeley, J. S. Parkinson of the University of Utah, and M. I. Simon of the California Institute of Technology for providing us with bacterial strains and plasmids. We also thank M. D. Manson for the generous communication of results before publication. The work was supported in part by grant-in-aid 60115006 to Y.I. from the Ministry of Education, Science, and Culture of Japan.|
|Official Citation:||Acquisition of maltose chemotaxis in Salmonella typhimurium by the introduction of the Escherichia coli chemosensory transducer gene. T Mizuno, N Mutoh, S M Panasenko, and Y Imae J. Bacteriol. March 1986 165:890-895|
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|Deposited By:||Ruth Sustaita|
|Deposited On:||27 Jun 2012 18:07|
|Last Modified:||27 Jun 2012 18:07|
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