期刊
VIROLOGY
卷 528, 期 -, 页码 110-117出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.virol.2018.12.001
关键词
Tobacco mosaic virus; Bayesian phylogenetics; Viral phylodynamics; Spatial transmission
类别
资金
- Natural Science Foundation of China [31570146, 31772103]
- State Tobacco Monopoly Bureau [110201601024(LS-04)]
- Hongyunhonghe Tobacco (Group) Co., Ltd. [HYHH2016YL02]
- Yunnan Tobacco Company of China National Tobacco Corporation, P.R. China [2018530000241014]
Tobacco mosaic virus (TMV) is widespread in China and causes considerable economic losses to tobacco production. The molecular epidemiology of this virus is, however, poorly understood. In this study, we sequenced the genomes of 51 TMV isolates from five tobacco-producing regions in China and investigated the dispersal patterns of this virus. Our phylogenetic analysis showed that TMV might have been introduced to China in the early 1900s, probably first to southwest China. However, TMV then moved to the north of the country, where it expanded. The north became the main seeding region for the subsequent movements of the virus within China. The north-to-south movement of TMV coincides with a shift of major tobacco-producing areas from north to south in this century, suggesting a link between human activities and the dispersal of TMV in China.
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