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Molecular Characterization of a Novel Species of Capillovirus from Japanese Apricot (Prunus mume).

Molecular Characterization of a Novel Species of Capillovirus from Japanese Apricot (Prunus mume).
Author Information (click to view)

Marais A, Faure C, Theil S, Candresse T,


Marais A, Faure C, Theil S, Candresse T, (click to view)

Marais A, Faure C, Theil S, Candresse T,

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Viruses 2018 03 2310(4) pii E144
Abstract

With the increased use of high-throughput sequencing methods, new viruses infectingspp. are being discovered and characterized, especially in the familyDouble-stranded RNAs from symptomatic leaves of a Japanese apricot () tree from Japan were purified and analyzed by Illumina sequencing. Blast comparisons of reconstructed contigs showed that thesample was infected by a putative novel virus with homologies to(CVA) and to the newly described(CuVA), both members of genus. Completion of the genome showed the new agent to have a genomic organization typical of capilloviruses, with two overlapping open reading frames encoding a large replication-associated protein fused to the coat protein (CP), and a putative movement protein (MP). This virus shares only, respectively, 63.2% and 62.7% CP amino acid identity with the most closely related viruses, CVA and CuVA. Considering the species demarcation criteria in the family and phylogenetic analyses, this virus should be considered as representing a new viral species in the genus, for which the name of Mume virus A is proposed.

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