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使用生物型化和分子型化方法对临床和来自食物的Candida菌株进行歧视

Katarzyna Rajkowska¹, Anna Otlewska¹, Dorota Simińska¹

¹Institute of Fermentation Technology and Microbiology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wolczanska 171/173, 90-530 Lodz, Poland.

Pathogens (Basel, Switzerland)

|July 30, 2025

概括

准确识别Candida酵母是非常重要的. ITS测序和造型鉴定为区分酵母菌株提供了最高的区分能力,确保了临床和流行病学研究的可靠结果.

科学领域:

微生物学微生物学
分子生物学分子生物学
菌类学菌类学是指菌类学.

背景情况:

准确识别和区分*Candida*物种对于了解它们的起源,病原性和抗真菌耐药性至关重要.
目前的酵母类型分类方法在它们的区分能力上有所不同,这可能导致临床和流行病学上误解.

研究的目的:

评估五种不同类型的*Candida* spp.的分辨力. 菌株. 菌株. 这些菌株.
确定最可靠的方法来准确区分菌株和解释相关性.

主要方法:

生物类型 (API系统)
ITS1 和 ITS4 的序列分析分析.
ITS区域的多态性多态性
ITS地区的多重复合PCR.
型化 (Karyotyping) 是一种方法.
对42种*Candida*菌株 (24种临床,18种通过食物传播) 的评估.

主要成果:

ITS 测序和 karyotyping 实现了最高的歧视力 (歧视指数 = 1.000).
多重PCR基因型定型 (0.997) 和ITS区域多态性 (0.957) 也显示出高的歧视潜力.
与ITS测序相比,生物型鉴定导致64.3%的分离物错误分类.

结论:

具有1000的判别指数的方法,如ITS测序和型定型,对于准确的*Candida*菌株定型至关重要.
选择已证明具有高分辨能力的打字方法对于可靠的临床和流行病学解释至关重要.
较低的歧视指数可能表明方法上的限制,而不是真正的遗传关系.

关键词:

在Candida spp.一个ITS区域的ITS区域.在PCR多重复合器中使用PCR多重复合器生物类型的确定.临床分离物临床分离物歧视指数歧视指数食品衍生菌株食品衍生菌株基因型定制是基因型定制.卡里奥类型的形成.

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