Journal
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS
Volume 1777, Issue 12, Pages 1471-1479Publisher
ELSEVIER
DOI: 10.1016/j.bbabio.2008.08.012
Keywords
Acidithiobacillus; Inverse membrane potential; Reversed electron transport; Cytochrome oxidase
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The mitochondrial paradigm for a chemiosmotic energy transduction mechanism requires frequently Misunderstood modifications for application to microbes growing and Surviving at acidic pH values and/or with relatively weak reductants as energy sources. Here the bioenergetics of the iron oxidiser Acidithiobacillus ferrooxidans are reviewed and analysed so as to develop the general bioenergetic principles for understanding organisms that grow under these conditions. Extension of the principles Outlined herein to organisms that survive (as opposed to grow) under these conditions is to be presented in a Subsequent article. (C) 2008 Elsevier B.V. All rights reserved.
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