First identification of cucumber mosaic virus in Prunus serrulata, Photinia serrulata, Begonia semperflorens and Osmanth
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First identification of cucumber mosaic virus in Prunus serrulata, Photinia serrulata, Begonia semperflorens and Osmanthus matsumuranus Chengming Yu 1,2 & Chen Yang 1 & Baocun Dou 1 & Zhe Qi 1 & Guowei Geng 1 & Shanshan Liu 1 & Xinran Cao 1,3 & Xuefeng Yuan 1 Received: 13 February 2019 / Accepted: 21 January 2020 # Società Italiana di Patologia Vegetale (S.I.Pa.V.) 2020
Abstract Infection with cucumber mosaic virus (CMV) has resulted in important economic losses in many crops worldwide. In this study, CMV was detected from Prunus serrulata, Photinia serrulata, Begonia semperflorens and Osmanthus matsumuranus by RTPCR and Western blot, when eleven kinds of horticultural plants from three provinces were screened. This is the first report of CMV naturally infecting these four species of horticultural plants. In addition, CMV isolates from southwest China presented regional differences to isolates from other parts of China based on phylogenetic analysis. Keywords Cucumber mosaic virus . RT-PCR . Western blot . Horticultural plants
Cucumber mosaic virus (CMV) was firstly reported to infect cucumber in 1916 (Doolittle 1916) and has been found on many different plants around the world (Palukaitis et al. 1992; Jacquemond 2012). Cucumber mosaic virus is the type species of the genus Cucumovirus in the family Bromoviridae, and possesses a tripartite, positive-sense RNA genome consisting of RNA1, RNA2 and RNA3 (Peden and Symons 1973). More than 80 species of aphids can transmit CMV (Gallitelli 2000). CMV has the largest host range of known Chengming Yu, Chen Yang and Baocun Dou contributed equally to this work. Electronic supplementary material The online version of this article (https://doi.org/10.1007/s42161-020-00496-4) contains supplementary material, which is available to authorized users. * Xuefeng Yuan [email protected] 1
Department of Plant Pathology, College of Plant Protection, Shandong Province Key Laboratory of Agricultural Microbiology, Shandong Agricultural University, Tai’an 271018, People’s Republic of China
2
State Key Laboratory of Crop Biology, Shandong Key Laboratory of Crop Biology, Shandong Agricultural University, Tai’an 271018, People’s Republic of China
3
College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao 266109, People’s Republic of China
viruses and can infect more than 1200 species of 100 plant families (Jacquemond 2012; Giner et al. 2017; Ouedraogo et al. 2019), which causes severe diseases on agronomic, vegetable and fruit crops resulting in loss reports of 25%–50% of tomato in China (Tien and Wu 1991), and 60% of melon and up to 80% of pepper in Spain (Avilla et al. 1997; Luis-Arteaga et al. 1998). CMV also presented a high degree of diversity, as revealed by a large number of isolates differing in both biological and molecular properties (Palukaitis et al. 1992; Jacquemond 2012). CMV is an important virus due to its agricultural impact worldwide and a good model for understanding plant–virus interactions (Jacquemond 2012). From the south
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