Rapid visual detection of anisakid nematodes using recombinase polymerase amplification and SYBR Green I
文献类型： 外文期刊
作者： Chen, Xiuqin 1 ; Zhao, Lianjing 1 ; Wang, Jiahui 3 ; Wang, Haolu 1 ; Qiu, Yangyuan 1 ; Dong, Zijian 1 ; Zhang, Chunling 1 ; Liu, Mingyuan 1 ; Wang, Xuelin 1 ; Bai, Xue 1 ;
作者机构： 1.Jilin Univ, Inst Zoonosis, Minist Educ, Coll Vet Med,State Key Lab Zoonot Dis,Key Lab Zoon, Changchun, Peoples R China
2.Fujian Acad Agr Sci, Inst Anim Husb & Vet Med, Fuzhou, Peoples R China
3.China Natl Ctr Food Safety Risk Assessment, Beijing, Peoples R China
4.Jiangsu Coinnovat Ctr Prevent & Control Important, Yangzhou, Peoples R China
关键词： Anisakids; recombinase polymerase amplification; SYBR Green I; visualization; detection
期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：6.064； 五年影响因子：6.843 ）
ISSN：
年卷期： 2022 年 13 卷
页码：
收录情况： SCI
摘要： Anisakidosis is a food-borne parasitic disease (FBPD) caused by the third-stage larvae of the family Anisakidae. Therefore, it is important to develop a simple, rapid and equipment-free detection method for anisakids in fish samples or seafood since current methods are time-consuming and require complex instruments. In this study, a recombinase polymerase amplification (RPA)-based method was established for the first time to detect anisakids by targeting the internal transcribed spacer (ITS) regions. The detection results were visualized by including SYBR Green I (SG) in the method. The sensitivity of RPA-SG assay was 10(2) copies per reaction of recombinant plasmid (within 20 min at 37 degrees C), similar to quantitative real-time PCR (qPCR). The assay had high specificity for detecting anisakids against other related parasites and host fish. In addition, the assay was further used to detect fresh marine fish contaminated with anisakids and it showed high precision. These results indicate that the novel RPA-SG assay suitable for visual detection of anisakids in the field and food safety control.
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