中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Recombinase polymerase amplification combined with lateral flow dipstick assay for rapid and sensitive detection of the toxigenic harmful algae bloom species Pseudo-nitzschia multistriata

文献类型:期刊论文

作者Wang, Hui1,3,4,5; Chen, Nansheng1,2,3,5
刊名JOURNAL OF APPLIED PHYCOLOGY
出版日期2026-02-07
页码16
关键词Pseudo-nitzschia multistriata Dab genes dabA Domoic acid Toxigenic RPA-LFD
ISSN号0921-8971
DOI10.1007/s10811-025-03766-9
通讯作者Chen, Nansheng(chenn@qdio.ac.cn)
英文摘要The diatom genus Pseudo-nitzschia includes many species that are cosmopolitan and can cause toxigenic harmful algal blooms (HABs). These blooms are capable of producing domoic acid (DA), a kainic acid-type neurotoxin that causes amnesic shellfish poisoning (ASP), which poses threats to marine animals and humans. It is thus important to develop rapid technologies that enable monitoring of toxigenic Pseudo-nitzschia species with high specificity and sensitivity to facilitate early warning. In this study, we developed a rapid assay for the toxigenic species P. multistriata, based on its dabA gene, which has been demonstrated to be a key gene in DA biosynthesis, combining recombinase polymerase amplification with lateral flow dipstick (RPA-LFD). The RPA-LFD assay is specific to P. multistriata and has high sensitivity, with a detection limit of 0.02 ng mu L-1 for genomic DNA, a cell density detection limit of approximately 1 cells/reaction, and a detection limit of 3.36 x 101 copies mu L-1 for recombinant plasmid DNA. The established RPA-LFD assay can complete the reaction in just 30 min at 37 degrees C, and the results can be directly visualized on the LFD within a short period of time, typically within 10 min. The practicality of this assay for on-site detection has also been verified in this study. The RPA-LFD assay with the high specific and sensitivity developed in this study will aid in predicting toxigenic P. multistriata blooms.
WOS关键词DOMOIC ACID ; MICROARRAY ; PROBES ; BACILLARIOPHYCEAE ; DIATOM ; QUANTIFICATION ; IDENTIFICATION ; DIAGNOSIS ; SHELLFISH ; AUSTRALIS
资助项目the Marine S&T Fund of Shandong Province for Pilot National Laboratory for Marine Science and Technology (Qingdao)[LSKJ202203700] ; the National Key Research and Development (R&D) Program of China[No.2022YFC3105200]
WOS研究方向Biotechnology & Applied Microbiology ; Marine & Freshwater Biology
语种英语
WOS记录号WOS:001682888300001
出版者SPRINGER
源URL[http://ir.qdio.ac.cn/handle/337002/204709]  
专题海洋研究所_海洋生态与环境科学重点实验室
通讯作者Chen, Nansheng
作者单位1.Chinese Acad Sci, Inst Oceanol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Simon Fraser Univ, Dept Mol Biol & Biochem, 8888 Univ Dr, Burnaby, BC V5A 1S6, Canada
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
4.Univ Chinese Acad Sci, Coll Marine Sci, Beijing 100039, Peoples R China
5.Qingdao Marine Sci & Technol Ctr, Lab Marine Ecol & Environm Sci, Qingdao 266200, Peoples R China
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Wang, Hui,Chen, Nansheng. Recombinase polymerase amplification combined with lateral flow dipstick assay for rapid and sensitive detection of the toxigenic harmful algae bloom species Pseudo-nitzschia multistriata[J]. JOURNAL OF APPLIED PHYCOLOGY,2026:16.
APA Wang, Hui,&Chen, Nansheng.(2026).Recombinase polymerase amplification combined with lateral flow dipstick assay for rapid and sensitive detection of the toxigenic harmful algae bloom species Pseudo-nitzschia multistriata.JOURNAL OF APPLIED PHYCOLOGY,16.
MLA Wang, Hui,et al."Recombinase polymerase amplification combined with lateral flow dipstick assay for rapid and sensitive detection of the toxigenic harmful algae bloom species Pseudo-nitzschia multistriata".JOURNAL OF APPLIED PHYCOLOGY (2026):16.

入库方式: OAI收割

来源:海洋研究所

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