Plant and Cell Physiology, 1999, Vol. 40, No. 2 248-251
© 1999
Short Communication |
An Adenylate Cyclase, Cyal, Regulates Cell Motility in the Cyanobacterium Synechocystis sp. PCC 6803
Department of Life Sciences, Graduate School of Arts and Sciences, University of Tokyo Komaba, Meguro, Tokyo, 153-8902 Japan
1 fax, +81-3-5454-4333; e-mail, cohmori{at}komaba.ecc.u-tokyo.ac.jp
The cyanobacterium Synechocystis sp. PCC 6803 contained two genes, cya1 and cya2, encoding putative adenylate cyclases. The wild type cells are motile, whereas the disruption mutants of cya1, but not cya2, were immotile. Disruption of the cya1 gene also caused reduction of cellular cAMP level. The cya1 mutant cells regained motility when cAMP was added exogenously.
(Received October 19, 1998; Accepted November 20, 1998)
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