Abstract：
BACKGROUND:Trichosporon asahii (T. asahii) is one of the most important pathogenic fungus in the genus of trichosporon. Although the species identification of T. asahii was based upon the complicated results of morphologic, biochemical and biologic examination, the morphology characteristic is still the first clue to the species. Some common structures of T. asahii had been described such as arthrofilaments and arthroconidia, but other important structures of T. asahii were unclear. METHODS:Six strains of T. asahii were incubated on the slant and micro culture of Sabouraud's dextrose agar at 30 degrees C for 7 days. Samples were fixed using 2% paraformaldehyde and 2.5% glutaraldehyde. T. asahii was observed under scanning electron microscope and transmission electron microscope. RESULTS:The detailed characteristics of the diverse sites of germination, as well as some uncommon structures such as giant cell, sarcinate, and club-shaped macroconidia, were presented. The pseudohyphae of T. asahii were noted to produce true hyphae, either along the longitude axis or on the flank. T. asahii was noted to have blastic and thallic conidiation. Digitated branches, trichoid structures and septa inside the spores were detected. CONCLUSION:These results may add our knowledge to the structure and development of T. asahii.
journal_name
Chin Med J (Engl)journal_title
Chinese medical journalauthors
Wang WL,Yang RY,Ao JHsubject
Has Abstractpub_date
2009-08-05 00:00:00pages
1806-10issue
15eissn
0366-6999issn
2542-5641journal_volume
122pub_type
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journal_title：Chinese medical journal
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