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- Title
A new putative deltapartitivirus recovered from Dianthus amurensis.
- Authors
An, Hongliu; Tan, Guanlin; Xiong, Guihong; Li, Meirong; Fang, Shouguo; Islam, Saif; Zhang, Songbai; Li, Fan
- Abstract
Two double stranded RNAs (dsRNA), likely representing the genome of a novel deltapartitivirus, provisionally named carnation cryptic virus 3 (CCV3), were recovered from Dianthus amurensis. The two dsRNAs were 1,573 (dsRNA1) and 1,561 (dsRNA2) bp in size, each containing a single open reading frame (ORF) encoding a 475- and 411-aa protein, respectively. The 475-aa protein contains a conserved RNA dependent RNA polymerase (RdRp) domain which shows significant homology to RdRps of established or putative partitiviruses, particularly those belonging to the genus Deltapartitivirus. However, it shares an amino acid identity of 75% with its closest relative, the RdRp of the deltapartitivirus beet cryptic virus 2 (BCV2), and is <62% identical to the RdRps of other partitiviruses. In a phylogenetic tree constructed with RdRps of selected partitiviruses, CCV3 clustered with BCV2 and formed a well-supported monophyletic clade with known or putative deltapartitiviruses.
- Subjects
DOUBLE-stranded RNA; PINKS (Plants); VIRAL genomes; RNA replicase; VIRUS phylogeny; PARTITIVIRIDAE
- Publication
Archives of Virology, 2017, Vol 162, Issue 9, p2897
- ISSN
0304-8608
- Publication type
Article
- DOI
10.1007/s00705-017-3421-2