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Tytuł:
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Complete genome sequence of a novel mycovirus isolated from the phytopathogenic fungus Corynespora cassiicola in China.
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Autorzy:
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Wang Y; College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, Henan, China.
Zhao H; College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, Henan, China.
Xue C; College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, Henan, China.
Xu C; College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, Henan, China.
Geng Y; College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, Henan, China.
Zang R; College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, Henan, China.
Guo Y; College of Animal and Veterinary Science, Henan Agricultural University, Zhengzhou, 450002, China.
Wu H; Centre for Modern Experimental Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China. .
Zhang M; College of Plant Protection, Henan Agricultural University, Zhengzhou, 450002, Henan, China. .
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Źródło:
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Archives of virology [Arch Virol] 2020 Oct; Vol. 165 (10), pp. 2401-2404. Date of Electronic Publication: 2020 Aug 05.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Original Publication: Wien, New York, Springer-Verlag.
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MeSH Terms:
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Genome, Viral*
Phylogeny*
Ascomycota/*virology
Fungal Viruses/*genetics
RNA, Double-Stranded/*genetics
RNA, Viral/*genetics
Ascomycota/pathogenicity ; Base Sequence ; China ; Fungal Viruses/classification ; Fungal Viruses/isolation & purification ; Open Reading Frames ; Plant Diseases/microbiology ; Plants/microbiology ; RNA-Dependent RNA Polymerase/genetics ; Sequence Alignment ; Viral Proteins/genetics ; Whole Genome Sequencing
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Grant Information:
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18IRTSTHN021 Program for Innovative Research Team (in Science and Technology) in University of Henan Province; 2018YFD0201400 National Key R & D Plans
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Substance Nomenclature:
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0 (RNA, Double-Stranded)
0 (RNA, Viral)
0 (Viral Proteins)
EC 2.7.7.48 (RNA-Dependent RNA Polymerase)
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Entry Date(s):
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Date Created: 20200807 Date Completed: 20200922 Latest Revision: 20201210
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Update Code:
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20240105
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DOI:
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10.1007/s00705-020-04723-2
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PMID:
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32757057
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A novel mycovirus, named "Corynespora cassiicola bipartite mycovirus 1" (CcBV1), was isolated from a phytopathogenic fungus, Corynespora cassiicola, the causal agent of rubber leaf fall disease. The nucleotide sequence of the complete genome of CcBV1, which consists of two double-stranded RNA (dsRNA) segments, was determined. The first dsRNA is 2,002 bp in length and contains a single open reading frame (ORF) encoding a putative RNA-dependent RNA polymerase (RdRp) (69 kDa), while the second is 1,738 bp in length and contains a single ORF encoding a hypothetical protein of unknown function, with an approximately molecular weight of 36 kDa. The amino acid sequences of the both deduced proteins are most similar (58.9% and 45.1% identity, respectively) to those of Cryphonectria parasitica bipartite mycovirus 1 (CpBV1). Phylogenetic analysis indicated that CcBV1 clusters together with CpBV1 and other unassigned dsRNA mycoviruses. To the best of our knowledge, this represents the first report of a mycovirus infecting C. cassiicola.