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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-06-18-0983-RE
|2 doi
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|a pubmed24n0974.xml
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Huang, Danqiong
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Developing a One-Step Multiplex PCR Assay for Rapid Detection of Four Stubby-Root Nematode Species, Paratrichodorus allius, P. minor, P. porosus, and Trichodorus obtusus
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| 264 |
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|c 2019
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 02.08.2019
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|a Date Revised 02.08.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Four trichodorid species, Paratrichodorus allius, P. minor, P. porosus, and Trichodorus obtusus, were found in multiple states in the United States. Traditional diagnosis based on morphology and morphometrics is laborious and requires an experienced taxonomist. Additionally, end-point diagnosis using PCR was only available for P. allius. To increase diagnostic efficiency and reduce costs, a one-step multiplex PCR assay was developed to simultaneously identify these four species using one PCR reaction. Available sequences of 18S ribosomal DNA and internal transcribed spacer 1 (ITS1) region of these species were aligned and five primers were designed. The conserved forward primer located in the 18S region, in combination with the species-specific antisense primer in the ITS1 region, amplified a single distinctive PCR fragment for each species (421/425 bp for P. allius, 190 bp for P. minor, 513 bp for P. porosus, and 353 bp for T. obtusus). In silico analysis with 10 other trichodorid species and experimental analysis using samples with these four species, 20 other plant-parasitic and three non-plant-parasitic nematodes demonstrated high specificity with the primers designed. The multiplex PCR amplified desirable fragments using a set of artificially mixed templates containing one, two, three, or four targeted species. The reliability of multiplex PCR results was demonstrated by using nematode populations isolated from infested fields from diverse geographic regions in eight states. The multiplex PCR-based tool developed in this study for the first time provides a simple, rapid, and cost-friendly assay for accurate diagnosis of the four major trichodorid nematodes in the United States
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|a Journal Article
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| 650 |
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7 |
|a DNA Primers
|2 NLM
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| 650 |
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|a DNA, Helminth
|2 NLM
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| 700 |
1 |
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|a Yan, Guiping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gudmestad, Neil
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ye, Weimin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Whitworth, Jonathan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Frost, Kenneth
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Crow, William
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hajihassani, Abolfazl
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 103(2019), 3 vom: 01. März, Seite 404-410
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
8 |
|g volume:103
|g year:2019
|g number:3
|g day:01
|g month:03
|g pages:404-410
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PDIS-06-18-0983-RE
|3 Volltext
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|h 404-410
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