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01000naa a22002652 4500 |
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NLM314138498 |
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cr uuu---uuuuu |
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231225s2021 xx |||||o 00| ||eng c |
| 024 |
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|a 10.1094/PDIS-02-20-0410-RE
|2 doi
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| 028 |
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2 |
|a pubmed24n1047.xml
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|a (DE-627)NLM314138498
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|a (NLM)32840435
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Park, Jong-Won
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Diversity of Citrus tristeza virus Strains in the Upper Gulf Coast Area of Texas
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| 264 |
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1 |
|c 2021
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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
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|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|a Date Completed 30.03.2021
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|a Date Revised 30.03.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Citrus tristeza virus (CTV) in Texas was first reported in the 1950s and has since been sporadically reported in the residential areas in the Upper Gulf Coast region. Because the major rootstock for commercial citriculture in South Texas is sour orange, which is susceptible to CTV decline, the spread of CTV into South Texas can pose a great threat to Texas citrus industry. Thirty-six CTV-positive samples, collected during surveys conducted in the Upper Gulf Coast area of Texas from 2013 to 2018, were first analyzed by strain-specific real-time PCR (RT-PCR) targeting various regions of CTV Open reading frame (Orf) 1a and then by amplicon sequencing derived from p25 and p20 region of CTV genome. Among 36 samples, 33 were successfully genotyped by strain-specific RT-PCR and by amplicon sequencing followed by phylogenetic analysis. Variability in the detection of CTV strains was observed over a 6-year period. In 2013, T3 and T30 were the only strains detected in the Upper Gulf Coast of Texas, but in further surveys until 2018, additional strains were detected, including T36, VT, and RB. Mixed infections were also detected in 14 samples comprising about 42% of CTV samples examined in the study. Although genotyping mixed infection samples by targeting Orf 1a and full-length p25, residing in the 5' and 3' region of the CTV genome, respectively, confirmed the presence of multiple strains in these samples, incongruent genotyping data were observed. These findings suggested that the current status of CTV strain diversity in Texas Upper Gulf Coast region might have been established by multiple introductions of CTV-infected plant materials for propagation and with a potential recombination in planta
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|a Journal Article
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|a Orf 1a
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| 650 |
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|a p20
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| 650 |
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4 |
|a p25
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| 650 |
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4 |
|a quick decline
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| 650 |
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4 |
|a stem pitting
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| 700 |
1 |
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|a da Graça, John V
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sétamou, Mamoudou
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kunta, Madhurababu
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 105(2021), 3 vom: 25. März, Seite 592-598
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
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|g volume:105
|g year:2021
|g number:3
|g day:25
|g month:03
|g pages:592-598
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|u http://dx.doi.org/10.1094/PDIS-02-20-0410-RE
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