Characterization of the extracellular enzyme systems of Trichoderma viride AH124

L. Manczinger, Z. Antal, A. Schoop, L. Kredics

Research output: Contribution to journalArticle

6 Citations (Scopus)


A mycoparasitic Trichoderma viride strain was investigated for the production of extracellular enzymes important in antagonism, by using natural and chromogenic substrates. Some of these enzymes, such as β-1,3-glucanases, and low levels of proteases were produced constitutively. Under inductive conditions, the measurable activities of β-1,3-glucanase, protease and aspecific chitinase increased, while for the proteases and β-1,3-glucanases, the levels depended on both the nitrogen and the carbon source. Gel filtration chromatography revealed at least 4 β-1,3-glucanases, 6 proteases, 2 β-glucosidases and 1 β-1,4-N-acetyl-glucosaminidase izoenzyme under inductive conditions.

Original languageEnglish
Pages (from-to)223-229
Number of pages7
JournalActa biologica Hungarica
Issue number2-3
Publication statusPublished - Jun 27 2001


  • Extracellular enzymes
  • Trichoderma viride

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Environmental Science(all)
  • Neurology

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