EHRLICHIA-EWINGII SP-NOV, THE ETIOLOGIC AGENT OF CANINE GRANULOCYTIC EHRLICHIOSIS

被引:146
作者
ANDERSON, BE [1 ]
GREENE, CE [1 ]
JONES, DC [1 ]
DAWSON, JE [1 ]
机构
[1] UNIV GEORGIA,COLL VET MED,DEPT SMALL ANIM MED,ATHENS,GA 30602
来源
INTERNATIONAL JOURNAL OF SYSTEMATIC BACTERIOLOGY | 1992年 / 42卷 / 02期
关键词
D O I
10.1099/00207713-42-2-299
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
The 16S rRNA gene was amplified, cloned, and sequenced from the blood of two dogs that were experimentally infected with the etiologic agent of canine granulocytic ehrlichiosis. The 16S rRNA sequence was found to be unique when it was compared with the sequences of other members of the genus Ehrlichia. The most closely related species were Ehrlichia canis (98.0% related) and the human ehrlichiosis agent (Ehrlichia chaffeensis) (98.1% related); all other species in the genus were found to be phylogenetically much more distant. Our results, coupled with previous serologic data, provide conclusive evidence that the canine granulocytic ehrlichiosis agent is a new species of the genus Ehrlichia that is related to, but is distinct from, E. canis and all other members of the genus. We propose the name Ehrlichia ewingii sp. nov.; the Stillwater strain is the type strain.
引用
收藏
页码:299 / 302
页数:4
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