7~Dehydroxylat ion of cholic acid and chenodeoxycholic acid by Clostridium leptum


The rate of 7a-dehydroxylation of primary bile acids was quantitatively measured radiochromatographically in anaerobically washed whole cell suspensions of Clostridium leptum. The pH optimum for the 7a-dehydroxylation of both cholic and chenodeoxycholic acid was 6.5-7.0. Substrate saturation curves were observed for the 7a-dehydroxylation of cholic and… (More)


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