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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-10-17-1668-RE
|2 doi
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|a pubmed24n1253.xml
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|a (DE-627)NLM288069323
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|a (NLM)30169136
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|a DE-627
|b ger
|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 |
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|a Molecular Characterization and Identification of Stubby Root Nematode Species From Multiple States in the United States
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| 264 |
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|c 2018
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| 336 |
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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
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 21.02.2019
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| 500 |
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|a Date Revised 09.01.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Stubby root nematodes (SRN) are important plant parasites infecting many crops and widely distributed in many regions of the United States. SRN transmit Tobacco rattle virus, which causes potato corky ringspot disease, thereby having a significant economic impact on the potato industry. In 2015 to 2017, 184 soil samples and 16 nematode suspensions from North Dakota, Minnesota, Idaho, Oregon, Washington, South Carolina, North Carolina, and Florida were assayed for the presence of SRN. SRN were found in 106 soil samples with population densities of 10 to 320 SRN per 200 g of soil and in eight of the nematode suspensions. Sequencing of ribosomal DNA (rDNA) or species-specific polymerase chain reaction assays revealed the presence of four SRN species, including Paratrichodorus allius, P. minor, P. porosus, and Trichodorus obtusus. Accordingly, their rDNA sequences were characterized by analyzing D2-D3 of 28S rDNA, 18S rDNA, and internal transcribed spacer (ITS) rDNA obtained in this study and retrieved from GenBank. Both intra- and interspecies variations were higher in ITS rDNA than 18S rDNA and D2-D3 of 28S rDNA. Based on phylogenetic analysis, the four SRN species formed a monophyletic group, with P. allius more closely related to P. porosus than P. minor and T. obtusus. Indel variation of ITS2 rDNA was present in P. allius populations from the same geographic regions. This study documented the occurrence of SRN species across multiple states. The intra- and interspecies genetic diversity of rDNA in this study will provide more information for understanding the evolutionary relationships of SRN and will be valuable for future studies of SRN species identification and management
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|a Journal Article
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|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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|a DNA, Helminth
|2 NLM
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| 650 |
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|a DNA, Ribosomal
|2 NLM
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| 650 |
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|a DNA, Ribosomal Spacer
|2 NLM
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| 650 |
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7 |
|a Soil
|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 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 Brown, Charles
|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 Agudelo, Paula
|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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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 102(2018), 11 vom: 30. Nov., Seite 2101-2111
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:102
|g year:2018
|g number:11
|g day:30
|g month:11
|g pages:2101-2111
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS-10-17-1668-RE
|3 Volltext
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