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ItalianoThe pattern of flavivirus infection in mosquitoes belonging to the genus Aedes and Culex collected in two regions of north-eastern Italy (Trentino and Veneto) was assessed. Mosquitoes were collected during 2012 and screened for Flavivirus using a generic RT-nested-PCR targeted on a region of the nonstructural 5 (NS5) gene. The phylogenetic analysis was performed on a fragment of around 1000 bp. Virus isolation was attempted in C6/36 insect cell lines and the infected cell cultures were studied by electron microscopy. We detected a wide distribution of Aedes Flavivirus (AeFV) in Aedes (Ae.) albopictus, with higher infection prevalence in Trentino than in Veneto. In Culex (Cx.) pipiens collected in Veneto, we detected Usutu virus (USUV) and a new sequence of an insect-specific flavivirus. Interestingly, we detected for the first time AeFV in Cx. pipiens, in both regions. Viral isolation in cell culture was successful for AeFV. AeFV sequences found in Veneto showed a high percentage of similarity to those detected in Trentino and to those previously reported in other areas of northern Italy. Coinfections with different flaviviruses were not detected.
| Citation: | Grisenti, M.; Vázquez, A.; Herrero, L.; Cuevas, L.; Perez-Pastrana, E.; Arnoldi, D.; Rosá, R.; Capelli, G.; Tenorio, A.; Sánchez-Seco, M.P.; Rizzoli, A. (2015). Wide detection of Aedes flavivirus in north-eastern Italy: a European hot-spot of emerging mosquito-borne diseases. JOURNAL OF GENERAL VIROLOGY, 96: 420-430. doi: 10.1099/vir.0.069625-0 handle: http://hdl.handle.net/10449/25435 |
| Internal authors: | |
| Organization unit: | Biodiversity and Molecular Ecology Department # CRI_2011-JAN2016 |
| Authors: | Grisenti, M.; Vázquez, A.; Herrero, L.; Cuevas, L.; Perez-Pastrana, E.; Arnoldi, D.; Rosá, R.; Capelli, G.; Tenorio, A.; Sánchez-Seco, M.P.; Rizzoli, A. |
| Title: | Wide detection of Aedes flavivirus in north-eastern Italy: a European hot-spot of emerging mosquito-borne diseases |
| Journal: | JOURNAL OF GENERAL VIROLOGY |
| Issue Date: | 2015 |
| Scientific Disciplinary Area: | Settore VET/06 - Parassitologia E Malattie Parassitarie Degli Animali |
| Keywords ENG: | Insects RNA viruses |
| Language: | English |
| IF: | With Impact Factor ISI |
| Publication status: | Published |
| Nature of content: | Articolo in rivista/Article |
| Digital Object Identifier (DOI): | 10.1099/vir.0.069625-0 |
| Appears in Collections: | 01 - Journal article |
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|---|---|---|---|---|
| 2015 JGV Grisenti et al.pdf | N/A | Tutti i diritti riservati (All rights reserved) | Utenti riconosciuti Request a copy |
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