TRANSMISSION AND PASSAGE IN HORSES OF THE AGENT OF HUMAN GRANULOCYTIC EHRLICHIOSIS

被引:104
作者
MADIGAN, JE
RICHTER, PJ
KIMSEY, RB
BARLOUGH, JE
BAKKEN, JS
机构
[1] UNIV CALIF DAVIS,DEPT ENTOMOL,DAVIS,CA 95616
[2] DULUTH CLIN,INFECT DIS SECT,DULUTH,MN
[3] UNIV MARYLAND,MED CTR,DEPT PATHOL,BALTIMORE,MD 21201
关键词
D O I
10.1093/infdis/172.4.1141
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
The human granulocytotropic ehrlichia and Ehrlichia equi produce similar diseases in their respective host species (humans, horses). Currently, the phylogenetic and biologic relationships of these 2 uncultured pathogens remain unclear. Previous studies have revealed nucleotide sequence similarity approaching identity at the level of the 16S ribosomal RNA gene. To investigate the biologic similarities of these 2 ehrlichiae, the susceptibility of horses to the human agent was tested by intravenous inoculation of infected human blood, The results demonstrate that the human granulocytotropic ehrlichia produces a disease in the horse indistinguishable from that caused by E. equi, providing biologic evidence that these 2 organisms are highly related and potentially conspecific, It is possible that cases of human illness now attributed to human granulocytotropic ehrlichia may in fact be caused by 1 or more strains of an ehrlichia known chiefly as an equine pathogen.
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收藏
页码:1141 / 1144
页数:4
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