The Chikungunya threat: an ecological and evolutionary perspective

被引:96
作者
Chevillon, Christine [1 ]
Briant, Laurence [2 ]
Renaud, Francois [1 ]
Devaux, Christian [2 ]
机构
[1] Ctr IRD, CNRS, UMR IRD 2724, F-34095 Montpellier 5, France
[2] Inst Biol, CNRS, UMR UMI UMII 5236, Ctr Etudes Agents Pathogenes & Biotechnol Sante, F-34095 Montpellier 5, France
关键词
D O I
10.1016/j.tim.2007.12.003
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Chikungunya virus (CHIKV) is an emerging mosquito-borne alphavirus. Although primarily African and zoonotic, it is known chiefly for its non-African large urban outbreaks during which it is transmitted by the same vectors as those of Dengue viruses. Unlike Dengue viruses, CHIKV displays a re-emergence pattern that closely depends on long-distance migrations including recent re-immigrations from African (putatively zoonotic) sources. Genus-based differences also emerged when comparing the evolution of Dengue-related (Flaviviruses) and of CHIKV-related (Alphaviruses) arboviruses. In this review, we discuss current information on CHIKV genetics, ecology and human infection. Further investigations on African CHIKV ecology and the differences between Flavivirus and Alphavirus members in adaptive changes and evolutionary constraints are likely to help delineate the potential of further CHIKV (re-)emergence.
引用
收藏
页码:80 / 88
页数:9
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