Geographical and Genetic Divergence Among Papaya ringspot virus Populations Within Hainan Province, China

文献类型： 外文期刊

第一作者： Zhao, Hui

作者： Zhao, Hui;Zhao, Hui;Jia, Rui Zong;Zhang, Yu-Liang;Zhu, Yun Judy;Zeng, Hui-Cai;Kong, Hua;Guo, An-Ping;Peng, Ming;Zhao, Hui;Jia, Rui Zong;Zhang, Yu-Liang;Zhu, Yun Judy;Zeng, Hui-Cai;Kong, Hua;Guo, An-Ping;Peng, Ming;Jia, Rui Zong;Zhu, Yun Judy;McCafferty, Heather

作者机构：

关键词： coat protein

期刊名称：PHYTOPATHOLOGY （ 影响因子：4.025； 五年影响因子：4.394 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Papaya ringspot virus (PRSV) severely affects the global papaya industry. Transgenic papaya has been proven to have effective resistance to PRSV isolates from Hawaii, Thailand, Taiwan, and other countries. However, those transgenic cultivars failed to show resistance to Hainan Island isolates. Some 76 PRSV samples, representative of all traditional papaya planting areas across five cities (Wen Chang, n = 13; Cheng Mai, n = 14; Chang Jiang, n = 11; Le Dong, n = 25; and San Ya, n = 13) within Hainan Province, were investigated. Results revealed three genetic diversity groups (Hainan I, II, and III) that correlated with geographical distribution. Frequent mutations among PRSV isolates from Hainan were also observed. The high genetic divergence in PRSV isolates from Hainan is likely to be the cause of the failure of genetically modified papaya that targets sequence-specific virus.

分类号： S432.1

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