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|a 10.1094/PDIS-09-23-1964-RE
|2 doi
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|a (NLM)38985506
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Kader Jailani, A Abdul
|e verfasserin
|4 aut
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| 245 |
1 |
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|a A Multiplex RT-qPCR Assay for Simultaneous Detection of Cucurbit Viruses from Individual Whitefly and Plant Samples
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| 264 |
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|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 18.11.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a Whiteflies (Bemisia tabaci) are a significant pest of cucurbits and vector many viruses, leading to substantial economic losses. Modern diagnostic tools offer the potential for early detection of viruses in the whiteflies before crop production. One such tool is the multiplex reverse transcriptase quantitative PCR (RT-qPCR) probe-based technique, which can detect multiple targets in a single reaction and simultaneously quantify the levels of each target, with a detection limit of 100 copies per target. In this study, a multiplex RT-qPCR-based detection system capable of identifying one DNA virus and three RNA viruses in whiteflies-cucurbit leaf crumple virus (CuLCrV), cucurbit chlorotic yellows virus (CCYV), cucurbit yellow stunting disorder virus (CYSDV), and squash vein yellowing virus (SqVYV)-was developed. To ensure the reliability of the assay, an internal gene control as the fifth target to monitor false-negative results was incorporated. This newly developed molecular diagnostic tool possesses several advantages. It can detect up to five desired targets from a single whitefly RNA sample, even at concentrations as low as 1 ng/μl. To evaluate its sensitivity, we conducted experiments using serially diluted cloned plasmids and in vitro transcribed RNA transcripts of the target viruses. We also assessed the specificity of the assay by including aphid-transmitted viruses and other viruses known to infect cucurbits. The diagnostic method successfully detected all five targets simultaneously and allowed for the quantification of up to 100 copies using a mixture of healthy RNA and in vitro transcribed RNA. Our aim with this study was to develop a highly specific and sensitive one-step multiplex RT-qPCR system for the simultaneous detection of viruses transmitted by whiteflies in cucurbits. This system offers significant advantages for early detection, enabling prompt control measures to mitigate the further spread of viral infections and reduce yield losses. Additionally, we demonstrated the ability to simultaneously detect mixed viruses (CCYV, CYSDV, CuLCrV, and SqVYV) in individual whiteflies and quantify the number of viral copies carried by each whitefly. The multiplex RT-qPCR assay outperforms currently available techniques for detecting many samples at a given time and can be effectively utilized for early monitoring of plant viruses in individual whiteflies and symptomless plants
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| 650 |
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|a Journal Article
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| 650 |
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|a TaqMan
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| 650 |
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4 |
|a cucurbit
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| 650 |
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4 |
|a diagnostics tool
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| 650 |
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4 |
|a multiplex
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| 650 |
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4 |
|a plant insects
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| 650 |
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4 |
|a qPCR
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| 650 |
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4 |
|a squash
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| 650 |
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4 |
|a viruses
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| 650 |
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4 |
|a watermelon
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| 650 |
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4 |
|a whitefly
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| 700 |
1 |
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|a Paret, Mathews L
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g (2024) vom: 18. Nov., Seite PDIS09231964RE
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g year:2024
|g day:18
|g month:11
|g pages:PDIS09231964RE
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PDIS-09-23-1964-RE
|3 Volltext
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