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Fermentation of mandelate to benzoate and acetate by a homoacetogenic bacterium

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1991

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Dörner, Christina

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Archives of Microbiology. 1991, 156(4), pp. 302-306. ISSN 0302-8933. eISSN 1432-072X. Available under: doi: 10.1007/BF00263002

Zusammenfassung

A strictly anaerobic, Gram-positive, rodshaped bacterium, strain AmMan1, was isolated from freshwater sediment with mandelate (a-hydroxyphenylacetate)as sole carbon and energy source, and was assigned to the genus Acetobacterium. Only the Denantiomer of mandelate was degraded, and was fermented to acetate and benzoate. Non-aromatic growth substrates (pyruvate, lactate, malate, glycerol, ethylene glycol, and H2/CO2) were fermented to acetate as sole product. Methoxylated aromatics were demethoxylated to the corresponding phenols. The guanine-plus-cytosine content of the DNA was 36.5+/-1.5%. Carbon monoxide dehydrogenase, dichlorophenol indophenol-reducing lactate dehydrogenase, NAD-dependent mandelate dehydrogenase, phosphate acetyl transferase, acetate kinase, and pyruvate- or phenylglyoxylate-dependent benzylviologen reductase were measured in mandelateand/ or lactate-grown cells, respectively. A pathway of the homoacetogenic fermentation of mandelate is suggested as another example of incomplete substrate oxidation by homoacetogenic bacteria.

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Fachgebiet (DDC)
570 Biowissenschaften, Biologie

Schlagwörter

Anaerobic degradation, Mandelate, Lactate, Homoacetogenic fermentation, Mandelate dehydrogenase, Phenylglyoxylate benzylviologen oxidoreductase

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ISO 690DÖRNER, Christina, Bernhard SCHINK, 1991. Fermentation of mandelate to benzoate and acetate by a homoacetogenic bacterium. In: Archives of Microbiology. 1991, 156(4), pp. 302-306. ISSN 0302-8933. eISSN 1432-072X. Available under: doi: 10.1007/BF00263002
BibTex
@article{Dorner1991Ferme-8606,
  year={1991},
  doi={10.1007/BF00263002},
  title={Fermentation of mandelate to benzoate and acetate by a homoacetogenic bacterium},
  number={4},
  volume={156},
  issn={0302-8933},
  journal={Archives of Microbiology},
  pages={302--306},
  author={Dörner, Christina and Schink, Bernhard}
}
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