A portable immunochromatographic (IC) strip based on gold-labelled monoclonal antibodies was developed for the rapid detection of Pseudomonas syringae pv. maculicola, a plant pathogen. The IC strip detected 105 colony-forming units CFU/ml P. syringae
pv. maculicola in pure culture within 10 min and had good specificity. Compared with sandwich enzyme-linked immunosorbent assay, the strip was equally sensitive; however, it is portable and time-efficient. On broccoli and radish seeds, the IC strips had a sensitivity of 5 × 105
CFU/ml and 106 CFU/ml, respectively. The results revealed that the IC strip could have potential applications for P. syringae pv. maculicola detection in plant seeds.
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P. syringae pv. maculicola;
Document Type: Research Article
State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, JiangSu, 214122, P.R. China
Huaian Entry-Exit Inspection and Quarantine Bureau, Huaian, 223001, P.R. China
September 3, 2015
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