Exocellular enzyme activity of dermatophytes and other fungi isolated from ruminants in Southern Iraq.

Abstract:

:Sixteen fungal species were isolated from 182 specimens collected from four ruminants (buffalo, camel, cattle and sheep) in Southern Iraq. Fungi represented by five species of dermatophytes and eleven species of other fungi were screened for the activity of four enzymes: keratinase. proteinase, lipase and amylase. Keratinase was found to be produced by all of the dermatophytes and non-dermatophytes, except for Paecillomyces variottii and Scytalidium lignicola. However, high keratinase activity was expressed by the dermatophytic species particularly by Trichophyton mentagrophytes var. erinacei and Microsporum gypseum. Three dermatophytes viz. M. gypseum, T verrucosum and T. mentagrophytes var. nodulare were capable of producing protease, lipase and amylase. Although, T. mentagrophytes var. erinacei showed high protease activity, it did not produce lipase and amylase. On the contrary most of the non-dermatophytic species revealed protease and lipase activities higher than the dermatophytes. The Curvularia spp. isolates showed the highest protease and amylase activity, while Aspergillus parasiticus revealed the highest activity of lipase andamylase. No correlation was observed between enzyme activity and the growth rate of the examined fungi.

journal_name

Mycopathologia

journal_title

Mycopathologia

authors

Muhsin TM,Salih TH

doi

10.1023/a:1010854322655

keywords:

subject

Has Abstract

pub_date

2001-01-01 00:00:00

pages

49-52

issue

2

eissn

0301-486X

issn

1573-0832

journal_volume

150

pub_type

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