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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-07-20-1551-RE
|2 doi
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|a pubmed24n1074.xml
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|a (DE-627)NLM322465710
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|a (NLM)33689450
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a He, Wanqin
|e verfasserin
|4 aut
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|a Three Highly Sensitive and High-Throughput Serological Approaches for Detecting Dickeya dadantii in Sweet Potato
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 23.04.2021
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|a Date Revised 23.04.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Sweet potato stem and root rot is an important bacterial disease and often causes serious economic losses to sweet potato. Development of rapid and sensitive detection methods is crucial for diagnosis and management of this disease in field. Here, we report the production of four hybridoma cell lines (25C4, 16C10, 9B1, and 9H10) using Dickeya dadantii strain FY1710 as an immunogen. Monoclonal antibodies (MAbs) produced by these four hybridoma cell lines were highly specific and sensitive for D. dadantii detection. Indirect enzyme-linked immunosorbent assay (indirect-ELISA) results showed that the four MAbs 25C4, 16C10, 9B1, and 9H10 could detect D. dadantii in suspensions diluted to 4.89 × 104, 4.89 × 104, 9.78 × 104, and 9.78 × 104 CFU/ml, respectively. Furthermore, all four MAbs can react strongly and specifically with all four D. dadantii strains used in this study, not with the other seven tested bacterial strains. Using these four MAbs, three different serological approaches, triple-antibody sandwich enzyme-linked immunosorbent assay (TAS-ELISA), dot-ELISA, and tissue-print-ELISA, were developed for detection of D. dadantii in crude extracts prepared from field-collected sweet potato plants. Among these three methods, TAS-ELISA and dot-ELISA were used to detect D. dadantii in suspensions diluted up to 1.23 × 104 and 1.17 × 106 CFU/ml, respectively, or in sweet potato crude extracts diluted up to 1:3,840 and 1:1,920 (wt/vol, grams per milliliter), respectively. Surprisingly, both TAS-ELISA and dot-ELISA serological approaches were more sensitive than the conventional PCR. Analyses using field-collected sweet potato samples showed that the newly developed TAS-ELISA, dot-ELISA, or tissue-print-ELISA were reliable in detecting D. dadantii in sweet potato tissues. Thus, the three serological approaches were highly valuable for diagnosis of stem and root rot in sweet potato production
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|a Journal Article
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|a Dickeya dadantii
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|a TAS-ELISA
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|a dot-ELISA
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|a monoclonal antibody
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|a stem and root rot of sweet potato
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| 650 |
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|a tissue-print-ELISA
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|a Huang, Deqing
|e verfasserin
|4 aut
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| 700 |
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|a Wu, Jiayu
|e verfasserin
|4 aut
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| 700 |
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|a Li, Xue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qian, Yajuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lou, Binggan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Jianxiang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 105(2021), 4 vom: 10. Apr., Seite 832-839
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|g volume:105
|g year:2021
|g number:4
|g day:10
|g month:04
|g pages:832-839
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|u http://dx.doi.org/10.1094/PDIS-07-20-1551-RE
|3 Volltext
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