Revisiting the clinal concept of evolution and dispersal for the tick-borne flaviviruses by using phylogenetic and biogeographic analyses

D. M. Heinze, E. A. Gould, N. L. Forrester

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Tick-borne flaviviruses (TBF) are widely dispersed across Africa, Europe, Asia, Oceania, and North America, and some present a significant threat to human health. Seminal studies on tick-borne encephalitis viruses (TBEV), based on partial envelope gene sequences, predicted a westward clinal pattern of evolution and dispersal across northern Eurasia, terminating in the British Isles. We tested this hypothesis using all available full-length open reading frame (ORF) TBF sequences. Phylogenetic analysis was consistent with current reports. However, linear and nonlinear regression analysis of genetic versus geographic distance combined with BEAST analysis identified two separate clines, suggesting that TBEV spread both east and west from a central point. In addition, BEAST analysis suggested that TBF emerged and dispersed more than 16,000 years ago, significantly earlier than previously predicted. Thus, climatic and ecological changes may have played a greater role in TBF dispersal than humans.

Original languageEnglish (US)
Pages (from-to)8663-8671
Number of pages9
JournalJournal of Virology
Volume86
Issue number16
DOIs
StatePublished - Aug 2012

Fingerprint

Flaviviridae
Flavivirus
Ticks
ticks
Tick-borne encephalitis virus
Tick-Borne Encephalitis Viruses
phylogeny
Oceania
British Isles
Pacific Ocean Islands
Eurasia
North America
Open Reading Frames
human health
open reading frames
Linear Models
regression analysis
Regression Analysis
nucleotide sequences
Health

ASJC Scopus subject areas

  • Immunology
  • Virology

Cite this

Revisiting the clinal concept of evolution and dispersal for the tick-borne flaviviruses by using phylogenetic and biogeographic analyses. / Heinze, D. M.; Gould, E. A.; Forrester, N. L.

In: Journal of Virology, Vol. 86, No. 16, 08.2012, p. 8663-8671.

Research output: Contribution to journalArticle

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