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A novel alphapartitivirus from binucleate Rhizoctonia fumigata AG-Ba isolate C-314 Baishi

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Abstract

The full-length nucleotide sequence and genome organization of a novel mycovirus designated as “Rhizoctonia fumigata partitivirus 1” (RfPV1) from Rhizoctonia fumigata AG-Ba strain C-314 Baishi was determined. The genome of RfPV1 consists of two double-stranded RNAs (dsRNAs): dsRNA1 (2003 bp) and dsRNA2 (1802 bp). Each of the two dsRNAs contains one open reading frame, coding for a putative RNA-dependent RNA polymerase and a coat protein, respectively. The 5′ untranslated regions (UTRs) of both dsRNAs were conserved, and the 3′-UTRs of the two dsRNAs had interrupted poly(A) tails, similar to other partitiviruses. Phylogenetic analysis indicated that RfPV1 is a new species in the genus Alphapartitivirus, family Partitiviridae.

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Acknowledgements

The authors would like to thank Dr. Akira Ogoshi from Hokkaido University, Japan, for kindly providing the Rhizoctonia fumigata AG-Ba isolate C-314 Baishi used in this study. This research was supported by Kunming University (YJL16006), Department of Science and Technology of Yunnan Province (2018FH 001-032, 2018FH 001-052, 2018FD080), and the National Natural Scientific Foundation of China (31960525).

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Authors and Affiliations

  1. College of Agriculture and Life Sciences, Kunming University, Kunming, 650214, Yunnan, China

    Yanqiong Li, Zebin Chen & Yanfen Niu

  2. Yunnan Agricultural University, Kunming, 650201, Yunnan, China

    Yanqiong Li, Yang Sun, Ping Xu, Lifang Zhang & Genhua Yang

  3. College of Bioresources and Food Engineering, Qujing Normal University, Qujing, 655011, Yunnan, China

    Lifang Zhang

  4. Yunnan Academy of Tobacco Agricultural Sciences, Kunming, 650021, Yunnan, China

    Yanqiong Li, Ping Xu, Lifang Zhang & Xiaohan Mo

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  1. Yanqiong Li
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  2. Yang Sun
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  6. Yanfen Niu
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  7. Genhua Yang
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  8. Xiaohan Mo
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Correspondence to Genhua Yang or Xiaohan Mo.

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Li, Y., Sun, Y., Xu, P. et al. A novel alphapartitivirus from binucleate Rhizoctonia fumigata AG-Ba isolate C-314 Baishi. Arch Virol 167, 255–259 (2022). https://doi.org/10.1007/s00705-021-05270-0

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  • DOI: https://doi.org/10.1007/s00705-021-05270-0

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