Ya Rong Wang, Jie Zhong, Zhijuan Yang, Yi Chen, Jia En Su
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Genomic characterization of a novel gammapartitivirus infecting the phytopathogenic fungus Colletotrichum cliviicola
In this study, we isolated a novel double-stranded RNA (dsRNA) mycovirus from the phytopathogenic fungus Colletotrichum cliviicola, designated as "Colletotrichum cliviicola partitivirus 1" (CcPV1). The complete genome of CcPV1 comprises two dsRNA fragments, referred to as dsRNA1 and dsRNA2, which are 1,756 bp and 1,485 bp in length, respectively. Each dsRNA segment contains an open reading frame (ORF), with the larger ORF1 in dsRNA 1 encoding the viral RNA-dependent RNA polymerase (RdRp) and the smaller ORF2 in dsRNA 2 encoding the capsid protein (CP). Sequence comparisons revealed that the RdRp of CcPV1 shares the highest amino acid sequence identity (76.35%) with the RdRp of Nigrospora sphaerica partitivirus 1 (NsPV1). Phylogenetic analysis based on both RdRp and CP sequences indicated that CcPV1 is a member of the genus Gammapartitivirus of the family Partitiviridae. This is the first report of a gammapartitivirus in C. cliviicola.
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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