Ag+-sensitive NADH dehydrogenase in the Na+-motive respiratory chain of the marine bacterium Vibrio alginolyticus.

Authors:
  • MAMakoto Asano
    Makoto Asano
  • TUTsutomu Unemoto
    Tsutomu Unemoto
  • HTHajime Tokuda
    Hajime Tokuda
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Abstract
Components of the Na+-motive NADH: quinone oxidoreductase segment in the respiratory chain of Vibrio alginolyticus were examined in membranesprepared from wild type, Na+-pump-defective mutants, and a spontaneous revertant. Ag+ distinguished two kinds of respiratory NADH dehydrogenases. The Na+-pumpdefective mutants lacked Ag+-sensitive NADH dehydrogenase activity.