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Review
. 2016 Aug:16:81-86.
doi: 10.1016/j.cois.2016.05.017. Epub 2016 Jun 11.

Evolutionary origin of pathogenic arthropod-borne viruses-a case study in the family Bunyaviridae

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Review

Evolutionary origin of pathogenic arthropod-borne viruses-a case study in the family Bunyaviridae

Sandra Junglen. Curr Opin Insect Sci. 2016 Aug.

Abstract

Arthropod-borne viruses have a dual-host tropism and their transmission requires the infection of two disparate hosts, arthropods and vertebrates. Arboviruses occur in several RNA families that also contain viruses with a monotropism for either arthropods or vertebrates. The evolutionary origin of the dual-host tropism of arboviruses was recently identified for the family Bunyaviridae. Bunyaviruses were suggested to have evolved from viruses that are restricted to arthropods as hosts (arthropod-specific viruses). Additional findings of an immense genetic diversity of bunyaviruses in non-blood feeding arthropods support the hypothesis of an arthropod origin of vertebrate-pathogenic bunyaviruses.

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