Dihydroxylation of dehydroepiandrosterone in positions 7α and 15α by mycelial fungi

  • T. G. Lobastova
  • S. A. Gulevskaya
  • G. V. Sukhodolskaya
  • M. V. Donova


The ability of 485 fungal strains is studied for catalysis of the process of 7α, 15α-dihydroxylation of dehydroepiandrosterone (DHEA, 3β-hydroxy-5-androstene-17-one), a key intermediate of the synthesis of physiologically active compounds. The ability for the formation of 3β, 7α, 15α-trihydroxy-5-androstene-17-one (7α, 15α-diOH-DHEA) was found for the first time for representatives of 12 genera, eight families, and six orders of ascomycetes, eight genera, four families, and one order of zygomycetes, one genus, one family, and one order of basidiomycetes, and four genera of mitosporic fungi. The most active strains are found among genera Acremonium, Gibberella, Fusarium, and Nigrospora. In the process of transformation of DHEA (2 g/l) by strains of Fusarium oxysporum VKM F-1600 and Gibberella zeae BKM F-2600, the molar yield was 63 and 68%, respectively. Application of the revealed active strains of microorganisms opens prospects for the efficient production of key intermediates of synthesis of modern medical preparations.


Apply Biochemistry Fusarium DHEA Dehydroepiandrosterone Pregnenolone 
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Copyright information

© Pleiades Publishing, Ltd. 2009

Authors and Affiliations

  • T. G. Lobastova
    • 1
  • S. A. Gulevskaya
    • 1
  • G. V. Sukhodolskaya
    • 1
  • M. V. Donova
    • 1
  1. 1.Skryabin Institute of Biochemistry and Physiology of MicroorganismsRussian Academy of SciencesPushchino, Moskovskaya oblastRussia

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