Isolation and purification of an extracellular keratinase of Trichophyton mentagrophytes.


The keratinolytic activities of dermatophytes which parasitize skin, nails, and hair have been described previously (1, 3, 6, 8); however, the isolation of a keratinase from these organisms has not yet been reported. Trichophyton mentagrophytes var. granulosum (T. granulosum Sabouraud, 1909) was grown in a keratin medium composed of (per liter): horse hair… (More)

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