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通过对血液和蜱虫样本的小亚基rRNA基因分析证实,美国与牛死亡相关的泰勒虫属感染。

Theileria sp. Infections associated with bovine fatalities in the United States confirmed by small-subunit rRNA gene analyses of blood and tick samples.

作者信息

Chae J s, Levy M, Hunt J, Schlater J, Snider G, Waghela S D, Holman P J, Wagner G G

机构信息

Department of Veterinary Pathobiology, The Texas Veterinary Medical Center, Texas A&M University, College Station, Texas 77843-4467, USA.

出版信息

J Clin Microbiol. 1999 Sep;37(9):3037-40. doi: 10.1128/JCM.37.9.3037-3040.1999.

Abstract

Theileria sp.-specific small subunit (SSU) rRNA gene amplification confirmed the presence of the organism in cattle and in Amblyomma americanum and Dermacentor variabilis ticks collected from a cattle herd in Missouri. Blood from the index animal had type A and type D Theileria SSU rRNA genes. The type D gene was also found in blood from two cohort cattle and tick tissues. The type A SSU rRNA gene was previously reported from bovine Theileria isolates from Texas and North Carolina; the type D gene was reported from a Texas cow with theileriosis.

摘要

泰勒虫属特异性小亚基(SSU)核糖体RNA基因扩增证实了该生物体存在于牛以及从密苏里州一个牛群采集的美洲钝缘蜱和变异革蜱中。指示动物的血液含有A型和D型泰勒虫SSU核糖体RNA基因。在另外两头同群牛的血液和蜱组织中也发现了D型基因。A型SSU核糖体RNA基因先前在得克萨斯州和北卡罗来纳州的牛泰勒虫分离株中被报道过;D型基因在一头患泰勒虫病的得克萨斯奶牛中被报道过。

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