Sulfoquinovose degraded by pure cultures of bacteria with release of C3-organosulfonates : complete degradation in two-member communities

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2012
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Denger, Karin
Huhn, Thomas
Hollemeyer, Klaus
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FEMS Microbiology Letters. 2012, 328(1), pp. 39-45. ISSN 0378-1097. eISSN 1574-6968. Available under: doi: 10.1111/j.1574-6968.2011.02477.x
Zusammenfassung

Sulfoquinovose (SQ, 6-deoxy-6-sulfoglucose) was synthesized chemically. An HPLC-ELSD method to separate SQ and other chromophore-free sulfonates, e.g. 2,3-dihydroxypropane-1-sulfonate (DHPS), was developed. A set of 10 genome-sequenced, sulfonate-utilizing bacteria did not utilize SQ, but an isolate, Pseudomonas putida SQ1, from an enrichment culture did so. The molar growth yield with SQ was half of that with glucose, and 1 mol 3-sulfolactate (mol SQ)−1 was formed during growth. The 3-sulfolactate was degraded by the addition of Paracoccus pantotrophus NKNCYSA, and the sulfonate sulfur was recovered quantitatively as sulfate. Another isolate, Klebsiella oxytoca TauN1, could utilize SQ, forming 1 mol DHPS (mol SQ)−1; the molar growth yield with SQ was half of that with glucose. This DHPS could be degraded by Cupriavidus pinatubonensis JMP134, with quantitative recovery of the sulfonate sulfur as sulfate. We presume that SQ can be degraded by communities in the environment.

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570 Biowissenschaften, Biologie
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Biodegradation
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ISO 690DENGER, Karin, Thomas HUHN, Klaus HOLLEMEYER, David SCHLEHECK, Alasdair M. COOK, 2012. Sulfoquinovose degraded by pure cultures of bacteria with release of C3-organosulfonates : complete degradation in two-member communities. In: FEMS Microbiology Letters. 2012, 328(1), pp. 39-45. ISSN 0378-1097. eISSN 1574-6968. Available under: doi: 10.1111/j.1574-6968.2011.02477.x
BibTex
@article{Denger2012-03Sulfo-17690,
  year={2012},
  doi={10.1111/j.1574-6968.2011.02477.x},
  title={Sulfoquinovose degraded by pure cultures of bacteria with release of C3-organosulfonates : complete degradation in two-member communities},
  number={1},
  volume={328},
  issn={0378-1097},
  journal={FEMS Microbiology Letters},
  pages={39--45},
  author={Denger, Karin and Huhn, Thomas and Hollemeyer, Klaus and Schleheck, David and Cook, Alasdair M.}
}
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