Hexahydroindanone derivatives of steroids formed by Rhodococcus equi |
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Authors: | Andre Miclo Pierre Germain |
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Institution: | (1) Laboratoire de Biologie Industrielle et Alimentaire, Institut National Polytechnique de Lorraine, B.P. 172, F-54505 Vandoeuvre-les-Nancy, France |
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Abstract: | Summary A mutant strain of Rhodococcus equi accumulates three metabolites from the androst-4-ene-3,17-dione or from its degradation intermediate, 3a-H-4(3'-propionic acid)-7a-methylhexahydro-1,5-indanedione (MEPHIP). These three metabolites are: 3a-H-4a(3'-propionic acid)-5-hydroxy-7a-methylhexahydro-1-indanone--lactone (HIL); 3a-H-4(3'-trans acrylic acid)-5-hydroxy-7a-methylhexahydro-1-indanone (2'-5-hydroxy-MEPHIP); and 3a-H-4(3'-hydroxy-3'-propionic acid)-5-hydroxy-7a-methylhexahydro-1-indanone (3'-hydroxy-HIL). The behaviour of this mutant allows us to propose a pathway for degradation of the intermediates, methylperhydroindanone propionates. However, during this degradation, the side-chain propionate was eliminated by a-oxidation mechanism.
Offprint requests to: A. Miclo |
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