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Keratin degradation by Scytalidium species and Fusarium solani
Author(s) -
Oyeka C. A.,
Gugnani H. C.
Publication year - 1998
Publication title -
mycoses
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.13
H-Index - 69
eISSN - 1439-0507
pISSN - 0933-7407
DOI - 10.1111/j.1439-0507.1998.tb00381.x
Subject(s) - fusarium solani , fusarium , microbiology and biotechnology , fungi imperfecti , keratin , degradation (telecommunications) , biology , botany , computer science , genetics , telecommunications
Summary. The keratin degradation capability of some non‐dermatophytic filamentous fungi, viz Scytalidium dimidiatum types A and B, S. hyalinum, S. japonicum and Fusarium solani , was investigated using nail clippings and keratin powder as substrates. Representative isolates of the dermatophytes Trichophyton rubrum and T. mentagrophytes were also tested. The two morphological types of S. dimidiatum were almost equally effective in the degradation of substrates, 42–43% nail clippings and 24–26% keratin. Scytalidium hyalinum and S. japonicum degraded 40% and 38% of nail clippings respectively. Degradation of keratin was insignificant. In the case of F. solani , nail clippings were degraded 43% and keratin 20%. The dermatophytes caused much higher degradation of nail clippings (70–73%) and keratin (42–52%). Zusammenfassung. Die Fähigkeit zum Keratinabbau wurde an einigen Nicht‐Dermatophyten, nämlich Scytalidium dimitiatum Typ A und B, S. hyalinum, S. japonicum und Fusarium solani mit Nagelspänen und Keratinpulver als Substrat untersucht. Daneben wurden auch repräsentative Dermatophyten‐Isolate, nämlich Trichophyton rubrum und Trichophyton mentagrophytes getestet. Die beiden Morphetypten von S. dimitiatum verhielten sich im Keratinabbau fast gleich: 42–43% Nagelspäne und 24–26% Keratinpulver. S. hyalinum und S. japonicum bauten 40% bzw. 38% Nagelspäne ab; der Abbau von Keratinpulver war unbedeutend. Fusarium solani baute Nagelspäne zu 43% und Keratinpulver zu 20% ab. Die Dermatophyten dagegen degradierten Nagelspäne zu 70–73% und Keratinpulver zu 42–52%.

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