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- Title
Identification of Viruses Infecting Oats in Korea by Metatranscriptomics.
- Authors
Kim, Na-Kyeong; Lee, Hyo-Jeong; Kim, Sang-Min; Jeong, Rae-Dong
- Abstract
Controlling infectious plant viruses presents a constant challenge in agriculture. As a source of valuable nutrients for human health, the cultivation of oats (Avena sativa L.) has recently been increased in Korea. To date, however, few studies have been undertaken to identify the viruses infecting oats in this country. In this study, we carried out RNA-sequencing followed by bioinformatics analyses to understand the virosphere in six different geographical locations in Korea where oats are cultivated. We identified three different virus species, namely, barley yellow dwarf virus (BYDV) (BYDV-PAV and BYDV-PAS), cereal yellow dwarf virus (CYDV) (CYDV-RPS and CYDV-RPV), and rice black-streaked dwarf virus (RBSDV). Based on the number of virus-associated reads and contigs, BYDV-PAV was a dominant virus infecting winter oats in Korea. Interestingly, RBSDV was identified in only a single region, and this is the first report of this virus infecting oats in Korea. Single nucleotide polymorphisms analyses indicated that most BYDV, CYDV, and RBSDV isolates show considerable genetic variations. Phylogenetic analyses indicated that BYDVs and CYDVs were largely grouped in isolates from Asia and USA, whereas RBSDV was genetically similar to isolates from China. Overall, the findings of this study provide a preliminary characterization of the types of plant viruses infecting oats in six geographical regions of Korea.
- Subjects
SOUTH Korea; BARLEY yellow dwarf viruses; VIRUS identification; PLANT viruses; SINGLE nucleotide polymorphisms
- Publication
Plants (2223-7747), 2022, Vol 11, Issue 3, p256
- ISSN
2223-7747
- Publication type
Article
- DOI
10.3390/plants11030256