期刊
VIRUS RESEARCH
卷 233, 期 -, 页码 60-69出版社
ELSEVIER
DOI: 10.1016/j.virusres.2017.03.011
关键词
Hantavirus; Diversification; Co-speciation; Phylogeny
类别
资金
- European FP7 ANTIGONE Program [278976]
Because of the great variability of their reservoir hosts, hantaviruses are excellent models to evaluate the dynamics of virus-host co-evolution. Intriguing questions remain about the timescale of the diversification events that influenced this evolution. In this paper we attempted to estimate the first ever timing of hantavirus diversification based on thirty five available complete genomes representing five major groups of hantaviruses and the assumption of co-speciation of hantaviruses with their respective mammal hosts. Phylogenetic analyses were used to estimate the main diversification points during hantavirus evolution in mammals while host diversification was mostly estimated from independent calibrators taken from fossil records. Our results support an earlier developed hypothesis of co-speciation of known hantaviruses with their respective mammal hosts and hence a common ancestor for all hantaviruses carried by placental mammals. (C) 2017 Elsevier B.V. All rights reserved.
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