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High-Performance Detection of Mycobacterium bovis in Milk Using Recombinase-Aided Amplification-Clustered Regularly Interspaced Short Palindromic Repeat-Cas13a-Lateral Flow Detection

文献类型： 外文期刊

作者： Wang, Jieru 1 ; Wang, Nan 2 ; Xu, Lei 2 ; Zeng, Xiaoyu 1 ; Cheng, Junsheng 2 ; Zhang, Xiaoqian 2 ; Zhang, Yinghui 2 ; Yin, Dongdong 1 ; Gou, Jiaojiao 1 ; Pan, Xiaocheng 1 ; Zhu, Xiaojie 2 ;

作者机构： 1.Anhui Acad Agr Sci, Anhui Prov Key Lab Livestock & Poultry Prod Safety, Livestock & Poultry Epidem Dis Res Ctr Anhui Prov, Inst Anim Husb & Vet Sci,Key Lab Pig Mol Quantitat, Hefei 230031, Peoples R China

2.China Inst Vet Drug Control, Beijing 100000, Peoples R China

关键词： milk; food safety; bovine tuberculosis; CRISPR-Cas13a; rapid detection

期刊名称：FOODS （ 影响因子：4.7； 五年影响因子：5.1 ）

ISSN：

年卷期： 2024 年 13 卷 11 期

页码：

收录情况： SCI

摘要： Mycobacterium bovis (M. bovis), the microorganism responsible for bovine tuberculosis (bTB), is transferred to people by the ingestion of unpasteurized milk and unprocessed fermented milk products obtained from animals with the infection. The identification of M. bovis in milk samples is of the utmost importance to successfully prevent zoonotic diseases and maintain food safety. This study presents a comprehensive description of a highly efficient molecular test utilizing recombinase-aided amplification (RPA)-clustered regularly interspaced short palindromic repeat (CRISPR)-associated protein (Cas) 13a-lateral flow detection (LFD) for M. bovis detection. In contrast to ELISA, RPA-CRISPR-Cas13a-LFD exhibited greater accuracy and sensitivity in the detection of M. bovis in milk, presenting a detection limit of 2 x 10(0) copies/mu L within a 2 h time frame. The two tests exhibited a moderate level of agreement, as shown by a kappa value of 0.452 (95%CI: 0.287-0.617, p < 0.001). RPA-CRISPR-Cas13a-LFD holds significant potential as a robust platform for pathogen detection in complex samples, thereby enabling the more dependable regulation of food safety examination, epidemiology research, and medical diagnosis.

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