无 PAM 的 CRISPR/Cas12a 生物传感器用于 PNA 辅助的 S. typhimurium 异热放大检测

He Sun1, Shengjun Bu2, Jiahong Wang3

  • 1Key Laboratory of Animal Microbiology of China's Ministry of Agriculture, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China; Research Unit of Key Technologies for Prevention and Control of Virus Zoonoses, Chinese Academy of Medical Sciences, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, 130122, China.

概括

一种新型的核酸 (PNA) 辅助自折叠异热放大 (PSCas) 生物传感器使得无PAM的CRISPR/Cas12a能够检测出沙门氏菌Typhimurium. 这种方法在没有PAM序列约束的情况下实现了对病原体检测的高灵敏度.

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