Discovery of two novel totiviruses from Culex tritaeniorhynchus classifiable in a distinct clade with arthropod-infecting viruses within the family Totiviridae

被引:16
|
作者
Huang, Yong [1 ]
Guo, Xiaofang [2 ]
Zhang, Shuyan [3 ]
Zhao, Qiumin [1 ]
Sun, Qiang [1 ]
Zhou, Hongnin [2 ]
Zhang, Jiusong [1 ]
Tong, Yigang [1 ]
机构
[1] Beijing Inst Microbiol & Epidemiol, 20 Dong Da St, Beijing 100071, Peoples R China
[2] Yunnan Inst Parasit Dis, Yunnan Prov Key Lab Vector Borne Dis Control & Re, Puer, Yunnan, Peoples R China
[3] Mil Gen Hosp Beijing PLA, Beijing, Peoples R China
关键词
COMPLETE GENOME SEQUENCE; STRANDED-RNA VIRUS; MOLECULAR CHARACTERIZATION; IDENTIFICATION; MOSQUITOS; BAITFISH; CHINA; USA;
D O I
10.1007/s00705-018-3871-1
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Two double-stranded RNA viruses, named Culex tritaeniorhynchus totivirus NJ2 (CTV_NJ2) and NJ3 (CTV_NJ3), were discovered from wild-captured Culex tritaeniorhynchus mosquitoes. The complete genomes (7,624 and 7,612 bp in length) were obtained using RNA sequencing. Both CTV_NJ2 and CTV_NJ3 encode a putative capsid protein and an RNA-dependent RNA polymerase. The most similar strain to CTV_NJ2/3 is Omono River virus strain AK4 (ORV-AK4). The CP and RdRp identities of AK4 are different to CTV_NJ2 (84% and 87%) and CTV_NJ3 (47% and 62%). Phylogenetic analysis showed that taxonomically speaking CTV_NJ2/3 grouped within the unclassified Totiviridae and formed a distinct clade with other arthropod-infecting viruses.
引用
收藏
页码:2899 / 2902
页数:4
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