Genetic diversity between and within the arenavirus species indigenous to western Venezuela

被引:22
|
作者
Fulhorst, Charles F. [1 ]
Cajimat, Maria N. B. [2 ]
Milazzo, Mary Louise [1 ]
Paredes, Hector [3 ]
de Manzione, Nuris M. C. [3 ]
Salas, Rosa A. [4 ]
Rollin, Pierre E. [5 ]
Ksiazek, Thomas G. [5 ]
机构
[1] Univ Texas Med Branch, Dept Pathol, Galveston, TX 77555 USA
[2] Univ Texas Med Branch, Grad Sch Biomed Sci, Microbiol & Immunol Grad Program, Galveston, TX 77555 USA
[3] Ctr Invest Virosis Hemorrag & Enfermedades Transm, Sector La Colonia Parte Alta, Guanare, Estado Portugue, Venezuela
[4] Inst Nacl Higiene Rafael Rangel, Caracas, Venezuela
[5] Ctr Dis Control & Prevent, Special Pathogens Branch, Atlanta, GA 30333 USA
基金
美国国家卫生研究院;
关键词
Arenaviridae; Guanarito virus; Pirital virus; Venezuelan hemorrhagic fever; arenaviral hemorrhagic fever; passive antibody therapy;
D O I
10.1016/j.virol.2008.05.014
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The results of analyses of Z, RNA-dependent RNA polymerase, glycoprotein precursor, and nucleocapsid protein gene sequence data suggested that Guanarito virus was the most common cause of Venezuelan hemorrhagic fever in a 7-year period in the 1990s and that the evolution of Pirital virus in association with Sigmodon alstoni (Alston's cotton rat) has occurred at a significantly higher rate than the evolution of Guanarito virus in association with Zygodontomys brevicauda (short-tailed cane mouse) oil the plains of western Venezuela. The results of analyses of the primary structures of the glycoproteins of the 8 strains of Guanarito virus isolated from humans suggested that these strains would be highly cross-reactive in neutralization assays. Thus, passive antibody therapy may prove beneficial in the treatment of human disease Caused by strains of Guanarito virus that are enzootic in the region in which Venezuelan hemorrhagic fever is endemic. (C) 2008 Elsevier Inc. All rights reserved.
引用
收藏
页码:205 / 213
页数:9
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