Isolation of keratinophilic fungi from selected soils of Sanjay Gandhi National Park, Mumbai (India).

Abstract:

:One hundred and twenty-five samples were collected from eight different sites in the vicinity of Sanjay Gandhi National Park (SGNP) and screened for the presence of keratinophilic fungi using hair baiting technique for isolation. Seventy-three isolates were recovered and identified. The cultures were identified using macro- and micro-morphological features. Their identification was also confirmed by the BLAST search of sequences of the ITS1-5.8S-ITS2 rDNA region against the NCBI/Genbank data and compared with deposited sequences for identification purpose. Thirteen species of nine genera were isolated viz. Aphanoascus durus (2.4%), Arthroderma corniculatum (1.6%), Auxarthron umbrinum (0.8%), Chrysosporium evolceanui (1.6%), Chrysosporium indicum (16.0%), Chrysosporium tropicum (2.4%), Chrysosporium zonatum (4.0%), Chrysosporium states of Arthroderma tuberculatum (0.8%), Chrysosporium state of Ctenomyces serratus (11.2%), Gymnascella dankaliensis (3.2%), Microsporum gypseum (12.0%), Myriodontium keratinophilum (0.8%) and Trichophyton mentagrophytes (1.6%). Representative of all thirteen species can release the protein in the range of 152.2-322.4 μg/mL in liquid media when grown on human hair in shake flask culture and also decompose 18.4-40.2% of human hair after four weeks of incubation. This study indicates that the soils of SGNP, Mumbai may be significant reservoirs of certain keratinophilic fungi. The keratinolytic activity of these fungi may be playing significant role in superficial infections to man and animals and recycling of keratinic material of this environment.

journal_name

J Mycol Med

authors

Deshmukh SK,Verekar SA

doi

10.1016/j.mycmed.2014.08.004

subject

Has Abstract

pub_date

2014-12-01 00:00:00

pages

319-27

issue

4

eissn

1156-5233

issn

1773-0449

pii

S1156-5233(14)00257-1

journal_volume

24

pub_type

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