Summary
It was found that members of the Cephalosporium species transform steroids under the known conditions of microbiological oxydation. Cephalosporium subverticillatum is able to produceΔ 4-testoloactone from progesterone, but, in case of a longer fermentation period,Δ 4-androsten-3, 17-dione can be isolated from the broth.
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Bodánszky, A., Kollonitsch, J. & Wix, G. Mikrobiologische Oxydation von Steroiden durch Cephalosporia. Experientia 11, 384 (1955). https://doi.org/10.1007/BF02158492
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DOI: https://doi.org/10.1007/BF02158492