Tributyl phosphate degradation by <Emphasis Type="Italic">Rhodopseudomonas palustris</Emphasis> and other photosynthetic bacteria |
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Authors: | Cécile?Berne Bruno?Allainmat Email author" target="_blank">Daniel?GarciaEmail author |
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Institution: | (1) Laboratoire de Bioénergétique Cellulaire, DSV-DEVM, Bâtiment 156, CEA Cadarache, F-13108 Saint-Paul-lez-Durance Cedex, France;(2) Present address: Air Force Research laboratory, 139 Barnes Drive, Suite # 2, Tyndall AFB, FL 32404-5323, USA |
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Abstract: | Tributyl phosphate (TBP) is widely used in nuclear fuel processing and other waste generating chemical industries. Although TBP is bacteriostatic, some microbes are resistant to it and may degrade it. Under dark aerobiosis, purple non-sulfur photosynthetic bacteria degraded up to 0.6 mM TBP, initially present at 2 mm, within 3 weeks and under photosynthetic conditions, Rhodopseudomonas palustris degraded 1.6 mM TBP within 3 weeks. The curing of the Rhodopseudomonas palustris endogenous plasmid demonstrated that the genes involved in the TBP degradation are chromosomal. |
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Keywords: | degradation photosynthetic bacteria Rhodopseudomonas palustris tributyl phosphate xenobiotic |
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