Ability of extracellular proteinases of micromycetes Aspergillus flavipes, Aspergillus fumigatus, and Aspergillus sydowii to affect proteins of the human haemostatic system |
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| Authors: | A. A. Osmolovskiy A. V. Kurakov V. G. Kreyer N. A. Baranova N. S. Egorov |
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| Affiliation: | 1.Department of Biology,Moscow State University,Moscow,Russia;2.International Biotechnology Center,Moscow State University,Moscow,Russia |
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| Abstract: | The effect of extracellular proteinases of A. flavipes A17, A. fumigatus D1, and A. sydowii 1 on proteins of the human haemostasis system was studied. It was shown that A. fumigatus D1 proteinases are able to hydrolyze a wide range of chromogenic peptide substrates of specific human proteinases of the haemostatic system. Proteinases formed by A. flavipes A17 and A. sydowii 1 have a narrow specificity, mainly to thrombin and plasmin substrates. It was first shown that proteinase of A. flavipes A17 is capable to activate protein C and Factor X. Extracellular proteinase produced by A. sydowii 1 has greater fibrinolytic activity as compared with proteinases produced by A. flavipes A17 and A. fumigatus D1. |
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