ArticleParasites & vectors2012
Evidence of mosquito-transmitted flavivirus circulation in Piedmont, north-western Italy.
Article in Parasites & vectors, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Arbovirus Screening in Mosquitoes in Emilia-Romagna (Italy, 2021) and Isolation of Tahyna Virus.Microbiology spectrum · 2022Article
- Diversity of West Nile and Usutu virus strains in mosquitoes at an international airport in Austria.Transboundary and emerging diseases · 2022Article
- Usutu virus: A new threat?Epidemiology and infection · 2019Review
- Culex flavivirus infection in a Culex pipiens mosquito colony and its effects on vector competence for Rift Valley fever phlebovirus.Parasites & vectors · 2018Article
- Global Warming and Its Health Impact.The international journal of occupational and environmental medicine · 2017Article
- Co-circulation of Usutu virus and West Nile virus in a reed bed ecosystem.Parasites & vectors · 2015Article
- Molecular characterization of flaviviruses from field-collected mosquitoes in northwestern Italy, 2011-2012.Parasites & vectors · 2014Article
- Flaviviruses in Europe: complex circulation patterns and their consequences for the diagnosis and control of West Nile disease.International journal of environmental research and public health · 2013Review
- The complex epidemiological scenario of West Nile virus in Italy.International journal of environmental research and public health · 2013Review
- Endogenous hepatitis C virus homolog fragments in European rabbit and hare genomes replicate in cell culture.PloS one · 2012Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundFlavivirus is a highly heterogeneous viral genus that includes important human pathogens and several viral strains with unknown zoonotic potential. Mosquito-borne flaviviruses have been isolated and characterized in Northern Italy: West Nile virus and Usutu virus were detected in mosquitoes and in different host species and recent studies provided evidence about the circulation of "insect Flavivirus" strains.
methodsIn order to clarify the diffusion and the distribution of the mosquito-transmitted flaviviruses in Italy, we analyzed Culex and Ochlerotatus mosquitoes collected in 2009 and 2010 in an area divided evenly between hills and plains and where the landscape is dominated by mixed agricultural patches, rice fields, deciduous tree forests, and urban environments. Each mosquito pool was tested for the presence of Flavivirus strains and we characterized positive samples by genetic sequencing.
resultsPositive mosquito pools revealed low infection prevalence, but suggested a continuous circulation of both Usutu virus and insect Flavivirus. Interestingly, phylogenetic analyses based on NS5 gene partial sequences showed a closer relationship among new Usutu virus strains from Piedmont and the reference sequences from the Eastern Europe, with respect to Italian samples characterized so far. Moreover, NS5 gene phylogeny suggested that mosquito flaviviruses found in Italy could belong to different lineages.
conclusionsOur results contribute to a wider point of view on the heterogeneity of viruses infecting mosquitoes suggesting a taxonomical revision of the Mosquito-borne Flavivirus group.
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