Detection and genetic variation analysis of apple chlorotic leaf spot virus and apple stem grooving virus in wild apple (Malus sieversii) from Xinjiang, China

文献类型： 外文期刊

第一作者： Jia, Xiao-Jun

作者： Jia, Xiao-Jun;Zhang, Zun-Ping;Fan, Xu-Dong;Ren, Fang;Dong, Ya-Feng;Hu, Guo-Jun

作者机构：

关键词： apple chlorotic leaf spot virus; apple stem grooving virus; genetic variation; Malus sieversii; sequence analysis

期刊名称：FOREST PATHOLOGY （ 影响因子：1.437； 五年影响因子：1.646 ）

ISSN： 1437-4781

年卷期： 2022 年 52 卷 5 期

页码：

收录情况： SCI

摘要： Here, we produced nucleotide and amino acid sequences of the movement protein (MP) and the coat protein (CP) genes of apple chlorotic leaf spot virus (ACLSV) and apple stem grooving virus (ASGV) from wild apple of Xinjiang, the main progenitor of the domesticated apple. Genetic variation and phylogenetics were assessed using these and previously reported sequences. Phylogenetic analysis of ACLSV nucleotide and amino acid data sets assigned some ACLSV variants to known groups and others to novel clades. In an MP-based phylogenetic tree, ASGV sequences downloaded from GenBank and those of wild apple isolates were assigned to separate groups. A recombinant sequence was identified in a ACLSV variant (MS-GL-1-c-3) of wild apple, and both parents of the recombinant had been isolated from the same plant (GL). Two potential recombination events of ASGV (MS-GL-2-g-3 and MS-NF-1-g-3) were identified in this study. These findings may constitute a valuable basis for future studies on variability of virus genetics and pathogenicity.

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