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논문 기본 정보

자료유형
학술저널
저자정보
Hae-Ryun Kwak (National Institute of Agricultural Science) Jaedeok Kim (National Institute of Agricultural Science) Mikyeong Kim (National Institute of Agricultural Science) Jang-Kyun Seo (Seoul National University) Jeong-Soo Kim (Andong National University) Hong-Soo Choi (National Institute of Agricultural Science)
저널정보
한국식물병리학회 The Plant Pathology Journal The Plant Pathology Journal 제34권 제5호
발행연도
2018.10
수록면
451 - 457 (7page)

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초록· 키워드

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The Sweet potato chlorotic fleck virus (SPCFV), of the genus Carlavirus (family Betaflexiviridae), was first detected as one of several viruses infecting sweet potatoes (Ipomea batatas L.) in Korea. Out of 154 sweet potato samples collected in 2012 that were showing virus-like symptoms, 47 (31%) were infected with SPCFV, along with other viruses. The complete genome sequences of four SPCFV isolates were determined and analyzed using previously reported genome sequences. The complete genomes were found to contain 9,104-9,108 nucleotides, excluding the poly-A tail, containing six putative open reading frames (ORFs). Further, the SPCFV Korean isolates were divided into two groups (Group I and Group II) by phylogenetic analysis based on the complete nucleotide sequences; Group I and Group II had low nucleotide sequence identities of about 73%. For the first time, we determined the complete genome sequence for the Group II SPCFV isolates. The amino acid sequence identity in coat proteins (CP) between the two groups was over 90%, whereas the amino acid sequence identity in other proteins was less than 80%. In addition, SPCFV Korean isolates had a low amino acid sequence identity (61% CPs and 47% in the nucleotide-binding protein [NaBp] region) to that of Melon yellowing-associated virus (MYaV), a typical Carlavirus.

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