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 Previous Article

Vol. 180, Issue 13, 3491-3494, July 1, 1998

NOTE
KtrAB, a New Type of Bacterial K+-Uptake System from Vibrio alginolyticus

Tatsunosuke Nakamura1, Rieko Yuda1, Tsutomu Unemoto1, and Evert P. Bakker2

1 Laboratory of Membrane Biochemistry, Faculty of Pharmaceutical Sciences, Chiba University, Inage-ku, Chiba 263, Japan,1 and 2 Abteilung Mikrobiologie, Universität Osnabrück, D-49069 Osnabrück, Federal Republic of Germany2

Vibrio alginolyticus contained two adjacent genes, ktrA and ktrB, which encode a new type of bacterial K+-uptake system. KtrA and KtrB are peripheral and integral membrane proteins, respectively. Six of the nine sequenced bacterial genomes contain homologs to both ktrA and ktrB, suggesting that KtrAB is widespread.

Copyright © 1998 by American Society for Microbiology


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