Yanjie Zhao, Ping Wang, Lili He, Guogen Yang, Bo Huang
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Characterization and complete genome sequence of a novel zetapatitivirus from Penicillium exsudans isolate RCEF7900
Penicillium exsudans strain RCEF7900, obtained from leaf litter, was found to harbor two double-stranded RNA (dsRNA) elements, designated as dsRNA1 and dsRNA2, with lengths of 1,816 bp and 1,625 bp, respectively. dsRNA1 encodes a 572-amino-acid RNA-dependent RNA polymerase (RdRp) protein (65.29 kDa), while dsRNA2 encodes a 503-amino-acid coat protein (CP) (56.73 kDa). A BLASTp search indicated that dsRNA1 and dsRNA 2 together constitute the genome of a novel partitivirus, which we have named "Penicillium exsudans partitivirus 1" (PePV1). Phylogenetic analysis based on RdRp amino acid sequences revealed that these genome segments belong to a member of a new species within the proposed genus “Zetapatitivirus” of the family Partitiviridae, with the RdRp showing the most sequence similarity (79.72% identity) to that of Sonifin virus. This is the first report of a zetapatitivirus from P. exsudans, expanding our understanding of mycoviral diversity in this fungal species.
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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