Identification of viruses and viroids infecting tomato and pepper plants in vietnam by metatranscriptomics
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Author list: Choi, Hoseong; Jo, Yeonhwa; Cho, Won Kyong; Yu, Jisuk; Tran, Phu-Tri; Salaipeth, Lakha; Kwak, Hae-Ryun; Choi, Hong-Soo; Kim, Kook-Hyung;
Publisher: MDPI
Publication year: 2020
Volume number: 21
Issue number: 20
Start page: 1
End page: 16
Number of pages: 16
ISSN: 1661-6596
eISSN: 1422-0067
Languages: English-Great Britain (EN-GB)
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Abstract
Tomato (Lycopersicum esculentum L.) and pepper (Capsicum annuum L.) plants belonging to the family Solanaceae are cultivated worldwide. The rapid development of next-generation sequencing (NGS) technology facilitates the identification of viruses and viroids infecting plants. In this study, we carried out metatranscriptomics using RNA sequencing followed by bioinformatics analyses to identify viruses and viroids infecting tomato and pepper plants in Vietnam. We prepared a total of 16 libraries, including eight tomato and eight pepper libraries derived from different geographical regions in Vietnam. We identified a total of 602 virus-associated contigs, which were assigned to 18 different virus species belonging to nine different viral genera. We identified 13 different viruses and two viroids infecting tomato plants and 12 viruses and two viroids infecting pepper plants with viruses as dominantly observed pathogens. Our results showed that multiple infection of different viral pathogens was common in both plants. Moreover, geographical region and host plant were two major factors to determine viral populations. Taken together, our results provide the comprehensive overview of viral pathogens infecting two important plants in the family Solanaceae grown in Vietnam. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.
Keywords
Metatranscriptomics, Pepper, Vietnam, Virus
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