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- Title
Molecular characterization of a novel fusarivirus infecting the plant-pathogenic fungus <italic>Neofusicoccum luteum</italic>.
- Authors
Marais, Armelle; Nivault, Aurélia; Faure, Chantal; Comont, Gwenaelle; Theil, Sébastien; Candresse, Thierry; Corio-Costet, Marie-France
- Abstract
Double-stranded RNAs from an isolate of <italic>Neofusicoccum luteum</italic> collected from grapevines were analyzed by high-throughput sequencing. Contig annotations revealed the presence of a potential novel virus belonging to the newly proposed family <italic>Fusariviridae</italic>. Completion of the viral genome sequence was performed. The genome is 6,244 nucleotide long, excluding the poly(A) tail and contains two putative open reading frames (ORFs). The first one encodes a large polypeptide of 1,552 amino acids (aa) with conserved RNA-dependent RNA polymerase and helicase domains typical of viral replicases. The second ORF encodes a putative 475-aa-long polypeptide showing weak homology to the corresponding ORF of Macrophomina phaseolina single-stranded RNA virus 1, for which no function is known so far. Phylogenetic analyses indicated that this virus should be considered a novel mycovirus belonging to the proposed family <italic>Fusariviridae</italic>, for which the name “Neofusicoccum luteum fusarivirus 1” (NlFV1) is proposed.
- Subjects
VIRAL genomes; PHYTOPATHOGENIC microorganisms; NUCLEOTIDE sequence; OPEN reading frames (Genetics); DOUBLE-stranded RNA; VIRUSES
- Publication
Archives of Virology, 2018, Vol 163, Issue 2, p559
- ISSN
0304-8608
- Publication type
Article
- DOI
10.1007/s00705-017-3620-x