Abstract
A Trichophyton schoenleinii (T. schoenleinii) strain from tinea favus was cultured in a liquid medium, from which an extracellular keratinase extract was obtained. The keratinase was partially purified with carboxymethyl-cellulose (CMC) column chromatography. Some biochemical characteristics of the keratinase were then examined. Its molecular weight was estimated to be 38,000 on sodium dodecyl sulphate-polyacrylamide gel electrophoresis (SDS-PAGE). The optimal temperature was 50 degrees C, and the optimal pH value was 5.5. The keratinolytic activity was specifically increased by Fe++ and Fe .
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Schedule a callMore From: Zentralblatt für Bakteriologie : medical microbiology, virology, parasitology, infectious diseases
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