Evidence for seed transmission of sweet potato symptomless virus 1 in sweet potato (Ipomoea batatas)
文献类型： 外文期刊
作者： Qiao, Qi 1 ; Zhang, ZhenChen 1 ; Zhao, XiaoLi 1 ; Wang, YongJiang 1 ; Wan, Shuang 1 ; Qin, YanHong 1 ; Zhang, DeSheng; 1 ;
作者机构： 1.Henan Acad Agr Sci, Inst Plant Protect, Zhengzhou 450002, Peoples R China
关键词： Sweet potato symptomless virus 1; Seed transmission; Sweet potato; Small-RNA deep-sequencing
期刊名称：JOURNAL OF PLANT PATHOLOGY （ 影响因子：1.729； 五年影响因子：1.681 ）
ISSN： 1125-4653
年卷期： 2020 年 102 卷 2 期
页码：
收录情况： SCI
摘要： Sweet potato symptomless virus 1 (SPSMV-1) is a member of genus Mastrevirus, in the family Geminiviridae. SPSMV-1 was detected from sweet potato (Ipomoea batatas) seedlings by small-RNA deep-sequencing. PCR analysis indicated that SPSMV-1 was detected in 12 out of 114 individual sweet potato seedlings from seeds collected from a SPSMV-1-infected sweet potato plant, and additionally, detected in whole seeds, seed coats attached with endosperm, and in embryos. The complete genome of the virus was subsequently cloned by using a polymerase chain reaction (PCR) method with back-to-back (full) primer pairs from sweet potato seedlings and seeds. In summary, the results suggest that SPSMV-1 may be a seed-borne virus and a seed transmissible virus in sweet potato. To our knowledge, this is the first evidence for seed transmission of SPSMV-1, and seed transmission under natural conditions for any mastrevirus as well.
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