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通过微芯片电泳结合双核酸循环放大,高灵敏度地确定细菌细菌

Shuang Tang¹, Qihui Xie¹, Jianan Lv¹

¹School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, P. R. China.

Electrophoresis

|September 11, 2025

概括

在乳制品中检测细菌细菌 (B. subtilis) 是非常重要的. 一种新方法使用微芯片电泳与双核酸循环放大,用于高度敏感和特定的B. subtilis检测.

科学领域:

微生物学微生物学
分析化学分析化学
生物技术是生物技术.

背景情况:

细菌细菌 (B. subtilis) 是乳制品中有害的腐烂细菌.
对B. subtilis的敏感和选择性检测方法对于食品安全至关重要.

研究的目的:

开发一种高度敏感和选择性的方法来量化乳制品中的B. subtilis.
为了检测B. subtilis使用它的16SrRNA.

主要方法:

使用微芯片电泳 (MCE) 的B. subtilis 16S rRNA的量化.
一种双核酸循环放大策略,涉及到阿普里尼克/阿普里米尼克内核酶1 (APE1) 介导的循环和催化针组件 (CHA).
APE1将AP位点切割,释放回收目标RNA,从而触发MCE检测的CHA.

主要成果:

在最佳条件下,B. subtilis的检测极限为29 CFU/mL (S/N = 3).
该方法表现出高速度,高灵敏度和良好的特异性.
在巴氏化牛奶样本中成功检测B. subtilis.

结论:

拟议的MCE与双核酸循环放大相结合,是B. subtilis检测的有效策略.
这种方法为乳制品中的B. subtilis监测提供了一种快速,敏感和特定的方法.
有助于确保乳制品的安全和质量.

关键词:

16S rRNA 是一个16S rRNA.这种细菌是 Bacillus subtilis.通过阿皮里米丁内核酶1 (APE1) 介导的循环.催化式发针组件组合微芯片的电泳是微芯片上的电泳.

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