Evidence for seed transmission of sweet potato symptomless virus 1 in sweet potato (Ipomoea batatas)

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 see...

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Bibliographic Details
Published in:Journal of plant pathology 2020-05, Vol.102 (2), p.299-303
Main Authors: Qiao, Qi, Zhang, ZhenChen, Zhao, XiaoLi, Wang, YongJiang, Wang, Shuang, Qin, YanHong, Zhang, DeSheng, Tian, YuTing, Zhao, Fumei
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Life Sciences
Plant Sciences
Short Communication
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Summary: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.
ISSN:1125-4653
2239-7264
DOI:10.1007/s42161-019-00427-y