Isolation and characterization of Whitewater Arroyo virus, a novel North American arenavirus

被引:66
作者
Fulhorst, CF
Bowen, MD
Ksiazek, TG
Rollin, PE
Nichol, ST
Kosoy, MY
Peters, CJ
机构
[1] UNIV TEXAS,MED BRANCH,DEPT PATHOL,CTR TROP DIS,GALVESTON,TX 77550
[2] CTR DIS CONTROL,NATL CTR INFECT DIS,DIV VIRAL & RICKETTSIAL DIS,ATLANTA,GA 30333
关键词
D O I
10.1006/viro.1996.0512
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Rodents are principal hosts for each of the well-characterized arenaviruses. Prior to the present study, Tamiami (TAM) virus was the sole arenavirus known to be indigenous to North America; it has been isolated only from southern Florida where its primary host is the cotton rat Sigmodon hispidus. Recently, arenavirus antibody was found in Neotoma albigula woodrats collected from the southwestern United States. The purpose of the present study was to isolate and characterize the arenavirus associated with N. albigula. Three isolates of a novel arenavirus (proposed name ''Whitewater Arroyo,'' WWA) were recovered from two arenavirus antibody-positive N. albigula collected from whitewater Arroyo in McKinley County, New Mexico. Two-way serologic tests indicated that WWA virus is antigenically distinct from other arenaviruses but most closely related to TAM virus. Phylogenetic analysis of nucleocapsid protein gene sequence data showed that WWA virus is a novel arenavirus that is genetically most closely related to TAM virus, The recovery of WWA virus from antibody-positive N. albigula suggests that WWA virus infection in this species can be chronic and thus that N. albigula is a reservoir host of the virus. (C) 1996 Academic Press, Inc.
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页码:114 / 120
页数:7
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