Cuiji Zhou, Mingwei Zheng, Xianfeng Du, Ziqi Cao, Jialin Wu, Junhao Zhu, Chengrong Nie
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Construction of a full-length infectious cDNA clone of zucchini tigre mosaic virus infecting snake gourd and genetic diversity analysis based on complete genome sequences of ZTMV isolates
Zucchini tigre mosaic virus (ZTMV) is a positive-sense single-stranded RNA virus belonging to the genus Potyvirus. In this study, a full-length infectious cDNA clone of a ZTMV strain infecting snake gourd (Trichosanthes cucumerina var. anguina L.) was constructed and shown to infect snake gourd, chieh-qua, zucchini, ridge gourd, and bitter melon. The complete genome sequence of ZTMV-FS7 (PP291701) showed the highest nucleotide sequence similarity to ZTMV-TW (86.2% identity). Genetic diversity analysis of 12 ZTMV isolates showed that the P1 gene had the highest variability. Selection pressure analysis indicated that all of the ZTMV genes were under negative selection. However, some sites, particularly within the P1 gene, were under positive selection.
期刊介绍：
Archives of Virology publishes original contributions from all branches of research on viruses, virus-like agents, and virus infections of humans, animals, plants, insects, and bacteria. Coverage spans a broad spectrum of topics, from descriptions of newly discovered viruses, to studies of virus structure, composition, and genetics, to studies of virus interactions with host cells, organisms and populations. Studies employ molecular biologic, molecular genetics, and current immunologic and epidemiologic approaches. Contents include studies on the molecular pathogenesis, pathophysiology, and genetics of virus infections in individual hosts, and studies on the molecular epidemiology of virus infections in populations. Also included are studies involving applied research such as diagnostic technology development, monoclonal antibody panel development, vaccine development, and antiviral drug development.Archives of Virology wishes to publish obituaries of recently deceased well-known virologists and leading figures in virology.
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