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High Prevalence of a Newly Discovered Wutai Mosquito Phasivirus in Mosquitoes from Rio de Janeiro, Brazil

1
Institute of Microbiology Paulo de Góes, Federal University of Rio de Janeiro, Av. Carlos Chagas Filho, 373, Rio de Janeiro 21941-970, Brazil
2
Institute of Collective Health Studies, School of Medicine, Federal University of Rio de Janeiro, Av. Horacio Macedo, S/N, Rio de Janeiro 21941-598, Brazil
3
Acute Febrile Diseases Laboratory, Evandro Chagas National Institute of Infectious Diseases, Fiocruz, Av. Brasil 4365, Rio de Janeiro 21040-360, Brazil
4
Núcleo Operacional Sentinela de Mosquitos Vetores, Fiocruz, Av. Brasil 4365, Rio de Janeiro 21040-360, Brazil
5
Animal Virology Center, CONICET-SENASA, Saladillo 2468, Buenos Aires 1440, Argentina
6
Laboratório de Mosquitos Transmissores de Hematozoários, Fiocruz, Av. Brasil 4365, Rio de Janeiro 21040-360, Brazil
7
Epidemiological and Environmental Surveillance, State Health Secretariat of Rio de Janeiro, R. México, 128, Rio de Janeiro 20031-142, Brazil
8
Department of Molecular and Structural Biochemistry, North Carolina State University, 120 W Broughton Dr, Raleigh, NC 27607, USA
*
Author to whom correspondence should be addressed.
Insects 2019, 10(5), 135; https://doi.org/10.3390/insects10050135
Received: 8 April 2019 / Revised: 26 April 2019 / Accepted: 2 May 2019 / Published: 7 May 2019
(This article belongs to the Special Issue Vectors and Vector-borne Diseases)
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Abstract

Many RNA viruses have recently emerged, threatening humans and causing harm to animals and plants. Bunyaviruses represent one of the largest groups of RNA viruses and are able to infect a wide range of hosts (invertebrates, vertebrates, and plants). Recently, new insect-specific viruses have been isolated from mosquitoes and phlebotomine sandflies worldwide. Little is known regarding the impact of these viruses on the vector life cycles and the stages of oviposition, breeding, blood feeding, and the mosquito’s lifespan. This study describes, for the first time in South America, the detection and characterization of a recently discovered bunyavirus corresponding to the Wutai mosquito phasivirus, confirming its high prevalence in the Culex spp. and Aedes spp. mosquitoes collected in the urban environment of Rio de Janeiro city, Brazil. The knowledge of the mosquito’s insect-specific virus infection can improve virus evolution studies and may contribute to the understanding of intrinsic factors that influence vector competence to transmit pathogenic viruses. View Full-Text
Keywords: insect-specific viruses; Bunyavirus; Phasivirus; Wutai virus; entomological surveillance insect-specific viruses; Bunyavirus; Phasivirus; Wutai virus; entomological surveillance
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Ribeiro, M.S.; Ayllón, T.; Malirat, V.; Câmara, D.C.P.; Giordano Dias, C.M.; Louzada, G.; Fernandes-Ferreira, D.; Medronho, R.A.; Campos Acevedo, R. High Prevalence of a Newly Discovered Wutai Mosquito Phasivirus in Mosquitoes from Rio de Janeiro, Brazil. Insects 2019, 10, 135.

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