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Open AccessArticle

Emergence and Full Genome Analysis of Tomato Torrado Virus in South Africa

1
Discipline of Plant Pathology, School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, Scottsville, Pietermaritzburg 3209, South Africa
2
Rural Agronomy and Development, School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, Scottsville, Pietermaritzburg 3209, South Africa
*
Author to whom correspondence should be addressed.
Viruses 2020, 12(10), 1167; https://doi.org/10.3390/v12101167
Received: 1 September 2020 / Revised: 17 September 2020 / Accepted: 22 September 2020 / Published: 15 October 2020
(This article belongs to the Special Issue Plant Virus Emergence)
Emerging pests and diseases are a major threat to food production worldwide. In a recent survey, Tomato torrado virus (ToTV) was identified on tomato crops in the Limpopo province of South Africa and a first report of the disease was published. In this follow-up study, the full genome sequence of a tomato-infecting isolate of ToTV from South Africa was elucidated. High-throughput sequencing was used to generate the full genome of ToTV infecting tomato crops in South Africa. The longest contig obtained for the RNA-1 and RNA-2 genome of ToTV was comprised of 7420 and 5381 nucleotides (nt), respectively. Blast analysis of the RNA-1 sequence of ToTV from South Africa (ToT-186) matched 99% to a Spanish and Polish isolate; the RNA-2 segment of ToTV from South Africa (ToT-186) matched 99% to ToTV isolates from Italy and Poland, respectively. The information presented in this study will go a long way towards better understanding the emergence and spread of ToTV and devising sustainable management of ToTV diseases. View Full-Text
Keywords: ToTV; emerging disease; prevalence; whole-genome sequencing; phylogeny ToTV; emerging disease; prevalence; whole-genome sequencing; phylogeny
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MDPI and ACS Style

Moodley, V.; Gubba, A.; Mafongoya, P.L. Emergence and Full Genome Analysis of Tomato Torrado Virus in South Africa. Viruses 2020, 12, 1167.

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