NDLI: Identification and characterization of a new vitivirus from grapevine

Content Provider	Springer Nature Link
Author	Nakaune, Ryoji Toda, Satoshi Mochizuki, Masatoshi Naka, Masaaki
Copyright Year	2008
Abstract	New virus-like sequences, TvAQ7 and TvP15, were found in a Japanese grapevine accession of OKY-AQ7 (cv. Aki Queen) and of OKY-P15 (cv. Pione) by nested RT-PCR to simultaneously amplify a segment of the RNA-dependent RNA polymerase (RdRp) gene from members of the genera Vitivirus and Foveavirus. The TvAQ7 genome, except for an exact 5′ terminus, is composed of about 7.6 kb containing five potential open reading frames. The genomic organization resembles those of grapevine virus A and other known vitiviruses. The 199-amino-acid sequence deduced from the ORF4 of TvAQ7 has 38.5–54.0% identity with the coat protein (CP) of known grapevine vitiviruses and 86.9% identity with TvP15. Phylogenetic analysis based on amino acid sequences of the CP showed that TvAQ7 and TvP15 were closely related to the vitiviruses. In addition, we confirmed that TvAQ7 and TvP15 were transmitted from infected grapevine to healthy seedlings by the mealybug Pseudococcus comstocki Kuwanae. On the basis of our findings, TvAQ7 and TvP15 should be considered isolates of a new species of the genus Vitivirus, and both isolates are probably genetic variants of the new species. We propose to name this virus grapevine virus E (GVE).
Starting Page	1827
Ending Page	1832
Page Count	6
File Format	PDF
ISSN	03048608
Journal	Archives of Virology
Volume Number	153
Issue Number	10
e-ISSN	14328798
Language	English
Publisher	Springer Vienna
Publisher Date	2008-09-11
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Infectious Diseases Medical Microbiology Virology
Content Type	Text
Resource Type	Article
Subject	Virology Medicine

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