PMID: 2481024Jan 1, 1989Paper

Comparative characterization of proteolytic enzymes from Trichophyton gallinae and Trichophyton verrucosum.

Journal of Medical and Veterinary Mycology : Bi-monthly Publication of the International Society for Human and Animal Mycology
G GrzywnowiczT Wolski

Abstract

The proteolytic activities of culture filtrates and cell homogenates of Trichophyton gallinae and Trichophyton verrucosum were compared when the fungi were grown in the presence of a readily assimilable source of C and N (Sabouraud's broth) and a poorly assimilable source (mineral medium containing soluble keratin (KS) protein prepared from either chicken feathers or guinea pig hair). The proteolytic activity of T. gallinae was found to be located predominantly in the cell homogenate although this depended somewhat on the nature of the C and N source in the medium. Enzyme activity in T. verrucosum on the other hand was located in the culture filtrate. The use of KS as a substrate revealed only one peak of enzymatic activity which occurred at pH 7.0 in both fungi. In the case of T. gallinae the total proteolytic activity was not related to the fungal biomass but did depend on the nature of the substrate; poorly assimilable substrates (native feathers and hair) stimulated a higher enzymatic activity per unit biomass than readily assimilable Sabouraud's broth. In T. verrucosum, proteolytic activity was related to the fungal biomass and was highest in Sabouraud's broth which proved most suitable for growth of the fungus. On the bas...Continue Reading

References

Jun 1, 1979·Sabouraudia·V Meevootisom, D J Niederpruem
Jun 14, 1975·Mycopathologia·Y C Hsu, P A Volz
Aug 1, 1987·Journal of Medical and Veterinary Mycology : Bi-monthly Publication of the International Society for Human and Animal Mycology·K WawrzkiewiczT Wolski
Nov 19, 1968·Biochimica Et Biophysica Acta·W C DayS R Harmon
Dec 1, 1969·Archives of Biochemistry and Biophysics·R J YuF Blank

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Citations

Jul 19, 2012·World Journal of Microbiology & Biotechnology·Sabrina Martins Lage CedrolaAlane Beatriz Vermelho
Dec 19, 2000·Journal of Applied Microbiology·S Sangali, A Brandelli
Jan 11, 2005·Applied and Environmental Microbiology·Alexandre J MacedoCarlos Termignoni
Jan 22, 2010·Indian Journal of Pathology & Microbiology·S GokulshankarS Subashini
May 10, 2011·Waste Management·Teresa Korniłłowicz-Kowalska, Justyna Bohacz
Jul 29, 2015·Extremophiles : Life Under Extreme Conditions·Gabriel Z L DalmasoAlane B Vermelho
Apr 5, 2003·Archives of Microbiology·Alessandro RiffelAdriano Brandelli
Mar 15, 2011·Brazilian Journal of Medical and Biological Research = Revista Brasileira De Pesquisas Médicas E Biológicas·T R DuarteA B Vermelho
Nov 17, 2009·Letters in Applied Microbiology·A M MazottoA B Vermelho
Feb 7, 2014·Critical Reviews in Food Science and Nutrition·Alaa A BekhitPhilip Franks
Nov 19, 2014·BMC Plant Biology·Stefan George van WykBarend Juan Vorster

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