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- Title
Genome sequence analysis of new plum pox virus isolates from Japan.
- Authors
Mori, Tomoaki; Warner, Chiaki; Ohno, Serika; Mori, Koichi; Tobimatsu, Takamasa; Sera, Takashi
- Abstract
Objective: To find mutations that may have recently occurred in Plum pox virus (PPV), we collected six PPV-infected plum/peach trees from the western part of Japan and one from the eastern part. After sequencing the full-length PPV genomic RNAs, we compared the amino acid sequences with representative isolates of each PPV strain. Results: All new isolates were found to belong to the PPV-D strain: the six isolates collected from western Japan were identified as the West-Japan strain while the one collected from eastern Japan as the East-Japan strain. Amino acid sequence analysis of these seven isolates suggested that the 1407th and 1529th amino acid residues are characteristic of the West-Japan and the East-Japan strains, respectively. Comparing them with the corresponding amino acid residues of the 47 non-Japanese PPV-D isolates revealed that these amino acid residues are undoubtedly unique. A further examination of the relevant amino acid residues of the other 210 PPV-D isolates collected in Japan generated a new hypothesis regarding the invasion route from overseas and the subsequent diffusion route within Japan: a PPV-D strain might have invaded the western part of Japan from overseas and spread throughout Japan.
- Subjects
JAPAN; POXVIRUSES; AMINO acid sequence; AMINO acid residues; PEACH; PLUM
- Publication
BMC Research Notes, 2021, Vol 14, Issue 1, p1
- ISSN
1756-0500
- Publication type
Article
- DOI
10.1186/s13104-021-05683-9