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A novel monopartite dsRNA virus isolated from the phytopathogenic fungus Ustilaginoidea virens strain GZ-2

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Abstract

In this study, we describe a novel mycovirus isolated from Ustilaginoidea virens strain GZ-2, which was designated “Ustilaginoidea virens nonsegmented virus 2” (UvNV-2). The genome of UvNV-2 contains two overlapping open reading frames (ORFs). ORF1 encodes an unknown protein, and ORF2 encodes a putative RNA-dependent RNA polymerase (RdRp), which is most closely related to that of Purpureocillium lilacinum nonsegmented virus 1 (PINV-1) and is likely to be expressed by a + 1 ribosomal frameshift within the sequence CCC_UUU_UAG. A phylogenetic analysis of the RdRp of UvNV-2 showed that UvNV-2 is an unclassified mycovirus.

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Funding

This study was funded by grants from the National Natural Science Foundation of China (31760015); the Science and Technology Foundation of Guizhou Province ([2017]1153); the Joint Foundation of Collaboration Project between Scientific and Technological Bureau of Guizhou Province and Universities of Guizhou Province (LH[2015]7322); the Bureau of Science and Technology of Guiyang ([2017]5-24); the Doctoral Cultivating Fund of Guizhou Medical University (J[2014]025); and the Engineering Research Center of Medical Biotechnology, Guizhou Medical University (2016002).

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Author notes

  1. Tingting Zhang and Xiangxing Zeng contributed equally to this work.

Authors and Affiliations

  1. Engineering Research Center of Medical Biotechnology/Key Laboratory of Biology and Medical Engineering, Guizhou Medical University, Guiyang, 550000, Guizhou, People’s Republic of China

    Tingting Zhang, Xiangxing Zeng, Zhu Zeng, Zuquan Hu & Feiyu Yang

  2. Immune Cells and Antibody Engineering Research Center of Guizhou Province/Cell and Gene Engineering Innovative Research Groups of Guizhou Province, Guizhou Medical University, Guiyang, 550000, Guizhou, People’s Republic of China

    Tingting Zhang, Xiangxing Zeng, Zhu Zeng, Zuquan Hu & Feiyu Yang

  3. School of Biology and Engineering, Guizhou Medical University, Guiyang, 550000, Guizhou, People’s Republic of China

    Tingting Zhang, Xiangxing Zeng, Zhu Zeng, Zuquan Hu & Feiyu Yang

  4. School of Basic Medicine, Guizhou Medical University, Guiyang, 550000, Guizhou, People’s Republic of China

    Zhu Zeng

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  1. Tingting Zhang
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  2. Xiangxing Zeng
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  3. Zhu Zeng
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  4. Zuquan Hu
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Correspondence to Tingting Zhang.

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The authors declare no conflict of interest.

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This article does not contain any studies with animals or human participants performed by any of the authors.

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Handling Editor: Robert H. A. Coutts.

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Zhang, T., Zeng, X., Zeng, Z. et al. A novel monopartite dsRNA virus isolated from the phytopathogenic fungus Ustilaginoidea virens strain GZ-2. Arch Virol 163, 3427–3431 (2018). https://doi.org/10.1007/s00705-018-3976-6

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  • DOI: https://doi.org/10.1007/s00705-018-3976-6

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