Enhanced Selenate Accumulation in Cupriavidus metallidurans CH34 Does Not Trigger a Detoxification Pathway

Cupriavidus metallidurans CH34 cells grown under sulfate-limited conditions accumulated up to six times more selenate than cells grown in sulfate-rich medium. The products of selenate reduction detected by X-ray absorption spectroscopy, electron microscopy, and energy-dispersive X-ray analysis did n...

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Veröffentlicht in:	Applied and Environmental Microbiology 2009-04, Vol.75 (7), p.2250-2252
Hauptverfasser:	Avoscan, Laure, Carrière, Marie, Proux, Olivier, Sarret, Géraldine, Degrouard, Jéril, Covès, Jacques, Gouget, Barbara
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorptiometry, Photon Bacteria Biological and medical sciences Bioremediation Biotransformation Cell growth Chemical compounds Cupriavidus - chemistry Cupriavidus - drug effects Cupriavidus - metabolism Cupriavidus - ultrastructure Environmental Microbiology Fundamental and applied biological sciences. Psychology Life Sciences Microbiology Microscopy Microscopy, Electron Selenic Acid Selenium Compounds - metabolism Selenium Compounds - toxicity Spectrometry, X-Ray Emission Spectrum analysis
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Zusammenfassung:	Cupriavidus metallidurans CH34 cells grown under sulfate-limited conditions accumulated up to six times more selenate than cells grown in sulfate-rich medium. The products of selenate reduction detected by X-ray absorption spectroscopy, electron microscopy, and energy-dispersive X-ray analysis did not define this strain as being a good candidate for bioremediation of selenate-contaminated environments.
ISSN:	0099-2240 1098-5336 1098-6596
DOI:	10.1128/AEM.02452-08