Screening for producers of proteinases with fibrinolytic (plasmin like and plasminogen activa ting) and collagenolytic activities was carried out among 83 strains of microscopic fungi belonging to various ecological groups. Entomopathogenic micromycetes secreted proteinases with higher fibrinolytic and col lagenolytic activity than saprotrophic, potentially phytopathogenic, and epiphytic strains. Micromycete strains possessing proteolytic enzymes with collagenase activity were revealed, as were the strains producing proteinases with plasmin like activity. None of the strains studied secreted proteinases possessing only plas minogen activating activity. Tolypocladium inflatum k1 was found to be a producer of extracellular proteinases with high plasminogen activating, plasmin like, and collagenolytic activities. The specific plasminogen activating activity of T. inflatum k1 was shown to be 20% higher than its plasmin like activity.Specific values of plasminogen activating (1) and plasmin like (2) fibrinolytic activity of T. inflatum k1.
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