Shared Ancestry between a Newfound Mole-Borne Hantavirus and Hantaviruses Harbored by Cricetid Rodents

被引:63
作者
Kang, Hae Ji [2 ,3 ]
Bennett, Shannon N. [2 ,3 ]
Hope, Andrew G. [4 ,5 ]
Cook, Joseph A. [4 ,5 ]
Yanagihara, Richard [1 ,2 ,3 ]
机构
[1] Univ Hawaii Manoa, John A Burns Sch Med, Pacific Ctr Emerging Infect Dis Res, Dept Pediat & Trop Med, Honolulu, HI 96813 USA
[2] Univ Hawaii Manoa, John A Burns Sch Med, Dept Med Microbiol, Honolulu, HI 96813 USA
[3] Univ Hawaii Manoa, John A Burns Sch Med, Dept Pharmacol, Honolulu, HI 96813 USA
[4] Univ New Mexico, Dept Biol, Albuquerque, NM 87131 USA
[5] Univ New Mexico, Museum SW Biol, Albuquerque, NM 87131 USA
基金
美国国家卫生研究院;
关键词
GENETICALLY DISTINCT HANTAVIRUS; SECONDARY STRUCTURE PREDICTION; THOTTAPALAYAM VIRUS; MOLECULAR EVOLUTION; HOST SWITCH; PROTEIN; SHREW; RNA; IDENTIFICATION; SEQUENCES;
D O I
10.1128/JVI.02450-10
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Discovery of genetically distinct hantaviruses in multiple species of shrews (order Soricomorpha, family Soricidae) and moles (family Talpidae) contests the conventional view that rodents (order Rodentia, families Muridae and Cricetidae) are the principal reservoir hosts and suggests that the evolutionary history of hantaviruses is far more complex than previously hypothesized. We now report on Rockport virus (RKPV), a hantavirus identified in archival tissues of the eastern mole (Scalopus aquaticus) collected in Rockport, TX, in 1986. Pairwise comparison of the full-length S, M, and L genomic segments indicated moderately low sequence similarity between RKPV and other soricomorph-borne hantaviruses. Phylogenetic analyses, using maximum-likelihood and Bayesian methods, showed that RKPV shared a most recent common ancestor with cricetid-rodent-borne hantaviruses. Distributed widely across the eastern United States, the fossorial eastern mole is sympatric and syntopic with cricetid rodents known to harbor hantaviruses, raising the possibility of host-switching events in the distant past. Our findings warrant more-detailed investigations on the dynamics of spillover and cross-species transmission of present-day hantaviruses within communities of rodents and moles.
引用
收藏
页码:7496 / 7503
页数:8
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