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Cell surface hydrophobicity and colony morphology of Trichosporon asahii clinical isolates
Author(s) -
Ichikawa Tomoe,
Hirata Chihiro,
Takei Mizuki,
Tagami Naoyuki,
Murasawa Hiromi,
Ikeda Reiko
Publication year - 2017
Publication title -
yeast
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.923
H-Index - 102
eISSN - 1097-0061
pISSN - 0749-503X
DOI - 10.1002/yea.3220
Subject(s) - trichosporon , biology , morphology (biology) , polysaccharide , cell wall , yeast , cell , microbiology and biotechnology , carbohydrate , biochemistry , genetics
Trichosporon asahii is a pathogenic basidiomycetous yeast. Individual strains of T . asahii have different colony morphologies. However, it is not clear whether cell surface phenotypes differ among the colony morphologies. Here we characterized the cell surface hydrophobicity and analysed the carbohydrate contents of the cell surface polysaccharides in T . asahii clinical isolates with various colony morphologies. Among the three distinctive colony morphologies obtained from one clinical isolate, the white‐type morphology exhibited higher hydrophobicity. The hydrophobicity of heat‐killed T . asahii cells was greatly reduced after periodate oxidation of the cell surface carbohydrates. Furthermore, the cell wall and extracellular polysaccharide components differed among the morphologies. Our results suggest that T . asahii cell surface hydrophobicity is affected by cell surface carbohydrate composition. Copyright © 2016 John Wiley & Sons, Ltd.

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