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- Title
A New Species of Mesonivirus from the Northern Territory, Australia.
- Authors
Warrilow, David; Watterson, Daniel; Hall, Roy A.; Davis, Steven S.; Weir, Richard; Kurucz, Nina; Whelan, Peter; Allcock, Richard; Hall-Mendelin, Sonja; O’Brien, Caitlin A.; Hobson-Peters, Jody
- Abstract
Here we describe Casuarina virus (CASV), a new virus in the family Mesoniviridae. This is the first report of a mesonivirus in Australia, which extends the geographical range of this virus family to 3 continents. The virus was isolated in 2010 from Coquillettidia xanthogaster mosquitoes during surveillance in the suburbs of Darwin, the capital of the Northern Territory. Cryo-electron microscopy of the CASV virions revealed spherical particles of 65 nm in size with large club-shaped projections of approximately 15 nm in length. The new virus was most closely related to Alphamesonivirus 1, the only currently recognized species in the family. In 2013 a further 5 putative new mesonivirus species were described: Hana, Méno, Nsé, Moumo and Dak Nong viruses. The evolutionary distance between CASV and two of its closest relatives, Cavally and Hana viruses (Jones-Taylor-Thornton distance of 0.151 and 0.224, respectively), along with its isolation from a different genus of mosquitoes captured on a separate continent indicate that CASV is a new species.
- Subjects
NORTHERN Australia; MESONIVIRIDAE; CLASSIFICATION of viruses; MOSQUITOES; BIOSURVEILLANCE; ELECTRON microscopy; BIOLOGICAL evolution
- Publication
PLoS ONE, 2014, Vol 9, Issue 3, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0091103