Оценка спектра протеолитической активности микромицетов рода Aspergillus по отношению к белкам системы гемостаза

Изучена активность внеклеточных протеиназ у семи штаммов разных видов микромицетов рода Aspergillus по отношению к белкам системы гемостаза. Сравнение значений энзиматических индексов при росте штаммов на агаризованных средах с казеином и фибрином с последующим их глубинным культивированием и анализом амидолитической активности с хромогенными пептидными субстратами протеиназ системы гемостаза позволило отобрать штаммы A. candidus A4 и A. crustosus A29 в качестве перспективных продуцентов фибринолитических протеиназ. Образуемые обоими штаммами протеиназы оказались способны расщеплять хромогенные пептидные субстраты тромбина, плазмина, фактора Х, протеина С и урокиназы, проявляя высокую плазминоподобную и тромбиноподобную активность и не обладая активаторным действием к проферментам системы гемостаза.

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