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对Cryptococcus spp.进行分子流行病学调查. 在日本从猫中分离出来,使用多位点序列类型化

Miki Omura¹, Aya Komori², Takashi Tamura²

¹Laboratory of Medical Mycology, Graduate School of Medicine, Teikyo University, Tokyo, Japan.

Medical mycology

|August 17, 2024

概括

对Cryptococcus spp.的分子类型的确定. 在猫身上发现了独特的区域模式. 这项研究强调了猫类加密球菌病监测对公共卫生的重要性,因为猫菌株可能会告知人类感染源.

科学领域:

菌类学菌类学是指菌类学.
兽医医学兽医医学兽医医学
流行病学流行病学

背景情况:

密码球菌是一种严重的真菌感染,影响人类和猫科动物.
对于全球范围内从猫身上分离出来的Cryptococcus物种,分子流行病学数据有限.
由于人与动物的密切接触,了解猫类加密菌病至关重要.

研究的目的:

为了研究日本家猫中Cryptococcus物种的分子流行病学.
为了对来自猫的Cryptococcus菌株进行抗真菌敏感性测试.
将猫科动物中分离出来的菌株与人类群体和其他国家中发现的菌株进行比较.

主要方法:

多位置序列类型 (MLST) 用于分子表征.
使用流行病学截止值 (ECV) 进行了抗真菌敏感性测试.
分析了来自日本猫的14种Cryptococcus菌株和来自新加坡猫的1种菌株.

主要成果:

所有14种日本猫科动物菌株都被确定为Cryptococcus neoformans,分子类型VNI.
日本的序列类型 (ST) 包括ST5 (8个分离物),ST31 (5个分离物) 和一个新型ST.
新加坡的菌株是Cryptococcus gattii VGIIb (C. deuterogattii),ST7;观察到区域差异.

结论:

猫科的加密球菌 spp. 分子类型可能在地理位置上有所不同,这会影响疾病监测.
一些C. neoformans分离物显示出对AMPHOTERICIN B,5-FLUOROCYTOSINE和FLUCONAZOLE的耐药性超过了ECV.
监测Cryptococcus spp. 的情况在猫身上可以为综合公共和动物健康战略做出贡献.

关键词:

克里普托科克斯 (Cryptococcus gattii) 是一个有毒的菌种.这是Cryptococcus neoformans的新型菌.在 MLST 上,我们可以看到 MLST.一个健康,一个健康.猫猫猫在线观看猫科动物猫科动物多个位置的序列类型.动物性疾病是动物性疾病.

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