Introductions of West Nile virus strains to Mexico - PubMed (original) (raw)
Comparative Study
doi: 10.3201/eid1202.050871.
José Estrada-Franco, Aaron C Brault, Roberto Navarro-Lopez, Arturo Campomanes-Cortes, Pedro Paz-Ramirez, Mario Solis-Hernandez, Wanichaya N Ramey, C Todd Davis, David W C Beasley, Robert B Tesh, Alan D T Barrett, Scott C Weaver
Affiliations
- PMID: 16494762
- PMCID: PMC3373085
- DOI: 10.3201/eid1202.050871
Comparative Study
Introductions of West Nile virus strains to Mexico
Eleanor Deardorff et al. Emerg Infect Dis. 2006 Feb.
Abstract
Complete genome sequencing of 22 West Nile virus isolates suggested 2 independent introductions into Mexico. A previously identified mouse-attenuated glycosylation variant was introduced into southern Mexico through the southeastern United States, while a common US genotype appears to have been introduced incrementally into northern Mexico through the southwestern United States.
Figures
Figure 1
Map showing hypothetical routes of West Nile virus introduction into Mexico. Circles indicate locations of isolates in the Florida-Louisiana-Tabasco 2001–2003 clade (Figure 2). Stars indicate locations of isolates in the California-Arizona-northern Mexico clade.
Figure 2
Phylogenetic tree generated from the complete open reading frame of West Nile virus sequences using a Bayesian analysis. Virus strains are labeled by GenBank accession number followed by the state and/or country, year, and host of isolation. Numbers indicate Bayesian probability values followed by neighbor-joining bootstrap values for groups to the right. The tree was rooted by using an outgroup comprised of Old World strains of West Nile virus, including a lineage 2 strain (Table).
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