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Identification of three yeast species using the conventional and internal transcribed spacer region sequencing methods as first or second global record from human superficial infections
Author(s) -
AbdelSater Mohamed Ahmed,
Moubasher AbdelAal Hassan,
Soliman Zeinab
Publication year - 2016
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/myc.12520
Subject(s) - internal transcribed spacer , yeast , tinea capitis , biology , nail (fastener) , malassezia , dermatophyte , microbiology and biotechnology , medicine , dermatology , gene , genetics , ribosomal rna , materials science , metallurgy
Summary During the mycological analysis of skin and nail samples taken from patients with onychomycosis and tineas in Assiut city, it is interesting to report that yeast fungi were the main causal agents being cultured from 45.79% of total cases. In general, 21 species of yeast were isolated. Some of these are reported for the first time from clinical specimens. From the literature available up‐to‐date around the world, this study reports for the first time Saccharomycopsis fibuligera as the causal agent of four clinical cases: two onychomycoses, one tinea capitis and one tinea amiantacea. Also, it is reported here the second record for Trichosporon dohaense from a case of onychomycosis of a 40‐year‐old woman (after its original description in 2009 by Taj‐Aldeen et al . J Clin Microbiol 47 : 1791). Candida galli was also reported for the first time from clinical specimen (tinea unguium) in 2014 by Galán‐Sánchez et al . Mycopathol 178 : 303, and this study reports the second case of onychomycosis by C. galli . These strains were identified on the basis of their phenotypic, biochemical, physiological and genotypic features. Strains and internal transcribed spacer ( ITS ) gene sequences of these species are deposited at Assiut University Mycological Center Culture Collection ( AUMC ) and National Center for Biotechnological Information ( NCBI ) respectively.

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