Development of a colloidal gold-based lateral flow dipstick immunoassay for rapid detection of chlorogenic acid and luteoloside in Flos Lonicerae Japonicae

2019 ◽  
Vol 170 ◽  
pp. 83-88 ◽  
Author(s):  
Bo Zhang ◽  
Tie-Gui Nan ◽  
Jie Xin ◽  
Zhi-Lai Zhan ◽  
Li-Ping Kang ◽  
...  
Plant Disease ◽  
2020 ◽  
Author(s):  
Zhiqiang Song ◽  
Xiai Yang ◽  
Xiaowei Zhang ◽  
Mingbao Luan ◽  
Bing Guo ◽  
...  

The northern root-knot nematode, Meloidogyne hapla, is a biotrophic parasite that infects many crops and causes severe economic losses worldwide. Rapid and accurate detection of M. hapla is crucial for disease forecasting and control. We developed a recombinase polymerase amplification combined with a lateral flow dipstick (RPA-LFD) assay for rapid detection of M. hapla. The primers and a probe were designed based on the effector gene 16D10 sequence and were highly specific to M. hapla. The RPA reaction was performed at a wide range of temperatures from 25 to 45°C within 5 to 25 min, and the amplicon was visualized directly on the LFD within 5 min. The detection limits of the RPA-LFD assay were 10-3 female and 10-2 J2/0.5 g of soil, which was 10 times more sensitive than the conventional PCR assay. In addition, the RPA-LFD assay can detect M. hapla from infested plant roots and soil samples, and the entire detection process can be completed within 1.5 h. These results indicate that the RPA-LFD assay is a simple, rapid, specific, sensitive, and visual method that can be used for rapid detection of M. hapla in the field and in resource-limited conditions.


2011 ◽  
Vol 59 (17) ◽  
pp. 9319-9326 ◽  
Author(s):  
Chunmei Song ◽  
Qingtang Liu ◽  
Aimin Zhi ◽  
Jifei Yang ◽  
Yubao Zhi ◽  
...  

2006 ◽  
Vol 17 (3-4) ◽  
pp. 173-181 ◽  
Author(s):  
Jing Zhao Su-Ping He ◽  
Wei Liu ◽  
Ai-Xing Deng ◽  
Tie-Gui Nan ◽  
Bao-Min Wang ◽  
...  

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