Twelve steroid biotransformation reactions catalyzed by lower fungi were found to be independent of external conditions. These transformations may serve as chemotaxonomic traits at the species or genus level. The study involved 537 strains from 229 species across 18 genera, using progesterone as the substrate.
Fragner P. (1974): Assimilation tests in some trichosporons. – Česká Mykologie 28(3): 163–168.