Export of ox-Amylase by Bacillus amyloliquefaciens Requires Proton Motive Force

Abstract

The secretion of protein directly into the extracellular medium by Bacillus amyloliquefaciens, a gram-positive bacterium, was shown to be dependent on proton motive force. When the electrochemical membrane potential gradient of protons was dissipated either by unco plers or by valinomycin in combination with K+, a precursor form of a-aamylase accumulated on… (More)

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