Deer tick virus
Deer tick virus | |
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Black and white microphotograph of Feulgen stained, intact tick salivary glands infected by deer tick virus. Hypotrophied salivary acinus filled with amorphous masses of pinkstaining (=Feulgen positive) material (arrows). Scale bar = 10 µm. | |
Virus classification | |
Group: | Group IV ((+)ssRNA) |
Family: | Flaviviridae |
Genus: | Flavivirus |
Species: | Powassan virus |
Deer tick virus is a virus causing tick-borne encephalitis.[1]
Deer tick virus is a flavivirus closely resembling Powassan virus (to which it has 94% amino acid sequence identity).[2][3] Because they are so related, deer tick virus is thought to be a genotype of Powassan virus, and also called Powassan virus lineage II.[4]
In 1997, it was isolated from Ixodes scapularis (the deer tick, formerly Ixodes dammini) collected in Massachusetts and Connecticut.[5]
Phylogram
See also
- Tick-borne encephalitis virus
- Lyme disease (caused by a deer-tick bacterium)
Footnotes
- ↑ Tavakoli NP, Heng W, Dupuis M et al. (2009). "Fatal Case of Deer Tick Virus Encephalitis". N. Engl. J. Med.. 360: 2099-2107.
- ↑ Kuno G, Artsob H, Karabatsos N, Tsuchiya KR, Chang GJ (November 2001). "Genomic sequencing of deer tick virus and phylogeny of powassan-related viruses of North America". Am. J. Trop. Med. Hyg. 65 (5): 671–6. PMID 11716135.
- ↑ Beasley DW, Suderman MT, Holbrook MR, Barrett AD (November 2001). "Nucleotide sequencing and serological evidence that the recently recognized deer tick virus is a genotype of Powassan virus". Virus Res. 79 (1–2): 81–9. doi:10.1016/S0168-1702(01)00330-6. PMID 11551648.
- ↑ Ebel GD, Spielman A, Telford SR (July 2001). "Phylogeny of North American Powassan virus". J. Gen. Virol. 82 (Pt 7): 1657–65. PMID 11413377.
- ↑ Telford SR, Armstrong PM, Katavolos P, et al. (1997). "A new tick-borne encephalitis-like virus infecting New England deer ticks, Ixodes dammini". Emerging Infect. Dis. 3 (2): 165–70. doi:10.3201/eid0302.970209. PMC 2627606. PMID 9204297.
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