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首页> 外文期刊>Applied and Environmental Microbiology >Characterization of Anaplasma marginale Isolated from North American Bison
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Characterization of Anaplasma marginale Isolated from North American Bison

机译：从北美野牛分离出无缘无浆体的特征

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摘要

Anaplasma marginale (Rickettsiales: Anaplasmataceae), a tick-borne pathogen of cattle, is endemic in tropical and subtropical regions of the world. Although serologic tests have identified American bison, Bison bison, as being infected with A. marginale, the present study was undertaken to confirm A. marginale infection and to characterize isolates obtained from naturally infected bison in the United States and Canada. Major surface protein (MSP1a and MSP4) sequences of bison isolates were characterized in comparison with New World cattle isolates. Blood from one U.S. bison was inoculated into a susceptible, splenectomized calf, which developed acute anaplasmosis, demonstrating infectivity of this A. marginale bison isolate for cattle. The results of this study showed that these A. marginale isolates obtained from bison were similar to ones from naturally infected cattle.
机译：边缘无浆膜（Rickettsiales：Anaplasmataceae）是由tick传播的牛病原体，在世界热带和亚热带地区流行。尽管血清学检测已确定美洲野牛（Bison bison）被边缘农杆菌感染，但本研究旨在确认边缘农杆菌的感染并鉴定在美国和加拿大从自然感染的野牛获得的分离株的特征。与新世界牛分离株相比，野牛分离株的主要表面蛋白（MSP1a和MSP4）序列具有特征。将一只美国野牛的血液接种到易感的，切除了脾脏的小牛中，小牛发生了急性厌食症，证明了这种牛缘野牛的野牛分离株具有传染性。这项研究的结果表明，这些从野牛获得的边缘农杆菌与自然感染牛的相似。

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