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Fermentation of cysteate by a sulfate-reducing bacterium

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1997

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Archives of Microbiology. 1997, 168(3), pp. 210-214. ISSN 0302-8933. eISSN 1432-072X. Available under: doi: 10.1007/s002030050490

Zusammenfassung

We isolated a strictly anaerobic bacterium, strain GRZCYSA, from a sludge digestor for its ability to ferment cysteate (2-amino-3-sulfopropionate). The organism also fermented the organosulfonates isethionate (2-hydroxyethanesulfonate) and aminomethanesulfonate, but taurine (2-aminoethanesulfonate) was not a substrate. Strain GRZCYSA, a gram-negative, oxidase-negative and catalase-positive vibrio that could reduce sulfate and contained desulfoviridin, was tentatively identified as Desulfovibrio sp. Utilization of cysteate as a substrate for fermentative growth led to the formation of four products identified as acetate, ammonia, and equimolar amounts of sulfide and sulfate. The fermentation was in balance. Some reactions involved in this novel process were detected in cell-free extracts in which ammonia and acetate were formed from cysteate.

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570 Biowissenschaften, Biologie

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Anaerobic desulfonation, Desulfonation, Sulfonate fermentation, Sulfide, Sulfate

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ISO 690LAUE, Heike, Karin DENGER, Alasdair M. COOK, 1997. Fermentation of cysteate by a sulfate-reducing bacterium. In: Archives of Microbiology. 1997, 168(3), pp. 210-214. ISSN 0302-8933. eISSN 1432-072X. Available under: doi: 10.1007/s002030050490
BibTex
@article{Laue1997Ferme-8488,
  year={1997},
  doi={10.1007/s002030050490},
  title={Fermentation of cysteate by a sulfate-reducing bacterium},
  number={3},
  volume={168},
  issn={0302-8933},
  journal={Archives of Microbiology},
  pages={210--214},
  author={Laue, Heike and Denger, Karin and Cook, Alasdair M.}
}
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