Publikation: Metabolic Flexibility and Substrate Preference by the Fe(II)-Oxidizing Purple Non-Sulphur Bacterium Rhodopseudomonas palustris Strain TIE-1
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2014
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Geomicrobiology Journal. 2014, 31(9), pp. 835-843. ISSN 0149-0451. eISSN 1521-0529. Available under: doi: 10.1080/01490451.2014.901439
Zusammenfassung
It is unknown to which extent phototrophic Fe(II) oxidation takes place in the simultaneous presence of organic electron donors (e.g., acetate/lactate). Therefore, the photoferrotrophic strain Rhodopseudomonas palustris TIE-1 was inoculated with various combinations of Fe(II), acetate and lactate to understand metabolic substrate preference. When acetate was provided together with Fe(II), TIE-1 consumed acetate first before Fe(II). When provided lactate plus Fe(II), TIE-1 consumed both substrates in parallel. When all three substrates were provided in one culture, TIE-1 used all substrates simultaneously. Our study suggests that the availability of alternative electron donors in addition to ferrous iron limits phototrophic iron oxidation.
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570 Biowissenschaften, Biologie
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carbon flow, iron redox cycling, phototrophic Fe(II) oxidation
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MELTON, Emily D., Caroline SCHMIDT, Sebastian BEHRENS, Bernhard SCHINK, Andreas KAPPLER, 2014. Metabolic Flexibility and Substrate Preference by the Fe(II)-Oxidizing Purple Non-Sulphur Bacterium Rhodopseudomonas palustris Strain TIE-1. In: Geomicrobiology Journal. 2014, 31(9), pp. 835-843. ISSN 0149-0451. eISSN 1521-0529. Available under: doi: 10.1080/01490451.2014.901439BibTex
@article{Melton2014Metab-30090,
year={2014},
doi={10.1080/01490451.2014.901439},
title={Metabolic Flexibility and Substrate Preference by the Fe(II)-Oxidizing Purple Non-Sulphur Bacterium Rhodopseudomonas palustris Strain TIE-1},
number={9},
volume={31},
issn={0149-0451},
journal={Geomicrobiology Journal},
pages={835--843},
author={Melton, Emily D. and Schmidt, Caroline and Behrens, Sebastian and Schink, Bernhard and Kappler, Andreas}
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