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首页> 外文期刊>Journal of Parasitology >DESCRIPTION AND EPIDEMIOLOGY OF THEILERIA YOUNGI N. SP. FROM A NORTHERN CALIFORNIAN DUSKY-FOOTED WOODRAT (NEOTOMA FUSCIPES) POPULATION
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DESCRIPTION AND EPIDEMIOLOGY OF THEILERIA YOUNGI N. SP. FROM A NORTHERN CALIFORNIAN DUSKY-FOOTED WOODRAT (NEOTOMA FUSCIPES) POPULATION

机译：THEIRERIA YOUNGI N. SP。的描述和流行病学。来自北加利福尼亚，生草繁茂的长尾小松鼠（新大镰刀）种群

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摘要

An epidemiologic study designed to identify the small mammal reservoir for the zoonotic WA1-type babesial parasite resulted in the discovery of a small, intraerythrocytic piroplasm in smeared blood from dusky-footed woodrats (Neotoma fuscipes) in northern California. The woodrat parasites were isolated and compared to other piroplasm parasites based on their morphology, antigenicity, and genetic characteristics. These studies indicated that the woodrat parasites were not the WA1-type babesial agent but were of the genus Theileria. We accordingly named it Theileria youngi. The prevalence in the woodrat population was high (61%). Infection was unrelated to gender or age of the woodrats. Potential vectors for this tick-transmitted parasite included 3 species of ticks recovered from the woodrats, Dermacentor occidentalis, Ixodes woodi, and Ixodes pacificus. Mostly larval or nymphal stages were recovered, suggesting transstadial transmission is possible. This is the first piroplasm fully characterized from a dusky-footed woodrat.
机译：一项流行病学研究旨在识别人畜共患病的WA1型婴儿寄生虫的小型哺乳动物水库，结果导致在加利福尼亚北部的黑脚wood鼠（Neotoma fuscipes）的涂血中发现了一个小的红细胞内孢子质。分离出Woodrat寄生虫，并根据其形态，抗原性和遗传特征将其与其他原生质寄生虫进行比较。这些研究表明，伍德拉特寄生虫不是WA1型细菌，而是泰勒氏菌属。因此，我们将其命名为Theileria youngi。伍德拉特族的患病率很高（61％）。感染与Woodrats的性别或年龄无关。这种由tick传播的寄生虫的潜在媒介包括从伍德拉特鼠，西方皮氏动物，木质小种和太平洋小种中回收的3种of。大部分幼虫或若虫阶段已恢复，表明跨性别传播是可能的。这是第一个完全以黑脚森林鼠为特征的原生质体。

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