Carbon-phosphorus bond cleavage activity in cell-free extracts of Enterobacter aerogenes ATCC 15038 and Pseudomonas sp. 4ASW. |
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Authors: | G McMullan R Watkins D B Harper J P Quinn |
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Affiliation: | School of Biology and Biochemistry, Queens University, Belfast. |
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Abstract: | ![]() Carbon-phosphorus bond cleavage activity was investigated in cell-free extracts of Enterobacter aerogenes ATCC 15038 (IFO 12010) and Pseudomonas sp. 4ASW, strains known to utilize a range of phosphonates as sole phosphorus source. In vitro phosphonatase activity was detected in extracts of both organisms; however extensive analysis failed to detect any organic product from phosphonates other than phosphonoacetal dehyde. Non-specific liberation of phosphate was observed in Pseudomonas sp. 4ASW, associated with a single fraction of FPLC-purified extract, and is believed to result from the activity of cellular phosphatases. |
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