期刊
JOURNAL OF VIROLOGY
卷 83, 期 18, 页码 9532-9540出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/JVI.00529-09
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资金
- Boehringer Ingelheim Fonds
- Academy of Finland
- Hospital District of Helsinki and Uusimaa [EVO/TYH6215, TYH 2008309]
A novel flavivirus was isolated from mosquitoes in Finland, representing the first mosquito-borne flavivirus from Northern Europe. The isolate, designated Lammi virus (LAMV), was antigenically cross-reactive with other flaviviruses and exhibited typical flavivirus morphology as determined by electron microscopy. The genomic sequence of LAMV was highly divergent from the recognized flaviviruses, and yet the polyprotein properties resembled those of mosquito-borne flaviviruses. Phylogenetic analysis of the complete coding sequence showed that LAMV represented a distinct lineage related to the Aedes sp.-transmitted human pathogenic flaviviruses, similarly to the newly described Nounane virus (NOUV), a flavivirus from Africa (S. Junglen et al., J. Virol. 83: 4462-4468, 2009). Despite the low sequence homology, LAMV and NOUV were phylogenetically grouped closely, likely representing separate species of a novel group of flaviviruses. Despite the biological properties preferring replication in mosquito cells, the genetic relatedness of LAMV to viruses associated with vertebrate hosts warrants a search for disease associations.
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