1例阴道定植阿萨希毛孢子菌的基因鉴定及随机扩增多态性DNA分析

Chinese Journal of Mycology(2017)

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Abstract
报道1例阿萨希毛孢子菌阴道定植病例.1例25岁健康妇女偶有阴道分泌物稍增多及轻微瘙痒.妇科检查见少量淡黄色均质化分泌物附着于阴道黏膜,阴道分泌物Nugent评分3分.对两次阴道分离菌株进行形态学观察、温度试验、尿素酶试验、药敏试验、3个rDNA基因测序及随机扩增多态性DNA (RAPD)分析.间隔3个月两次阴道分泌物培养均分离出土黄色、表面皱褶的酵母样菌落.该菌在25~37℃生长良好,最佳生长温度为27℃.小培养可见分隔菌丝、假菌丝、关节菌丝、分生孢子、关节孢子和芽生孢子.尿素酶试验阳性.3个rDNA基因测序和RAPD分析显示两次分离菌株为同一种阿萨希毛孢子菌.E-test和Neo-Sensitabs药敏试验发现本菌株对伏立康唑敏感.随访3个月患者仍无明显症状.
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Key words
Trichosporon asahii,vagina,colonization,antifungal susceptibility
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