Babesia sp. BQ1 (Lintan): Molecular evidence of experimental transmission to sheep by Haemaphysalis qinghaiensis and Haemaphysalis longicornis
Babesia sp. BQ1 (Lintan): Molecular evidence of experimental transmission to sheep by Haemaphysalis qinghaiensis and Haemaphysalis longicornis
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DOI：
10.1016/j.parint.2009.12.002
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发表时间：
2010-06-01
影响因子：
1.9
通讯作者：
Yin, Hong
中科院分区：
文献类型：
--
作者：
Guan, Guiquan;Moreau, Emmanuelle;Yin, Hong
羊巴贝斯虫病是由蜱传播的血液寄生虫引起的世界性重要经济疾病。在过去的20年里，在中国，已经从野外收集的蜱或绵羊血液中分离出了几种绵羊巴贝虫株，但对媒介蜱和传播模式知之甚少。BQ1（临潭）是从人工感染青海血蜱的绵羊血液中分离到的一株绵羊和山羊传染性巴氏杆菌。本研究探讨了林潭巴氏杆菌BQ1（Babalypsp.BQ1（Lintan））经H. qinghaiensis和长角血蜱Haemaphysalis longicornis。根据巢式PCR的结果，推测H. qinghaiensis和H.长角蜱是临潭巴氏巴氏杆菌BQ1的潜在媒介蜱，两种蜱的幼虫、幼虫和成虫均能将临潭巴氏杆菌BQ1传播给绵羊。寄生虫感染后1个月，通过特异性巢式PCR可在血液中检测到寄生虫。(C)2009爱思唯尔爱尔兰有限公司保留所有权利。
Ovine babesiosis is an economically important disease induced by tick transmitted haemoparasites throughout the world. In China, several ovine Babesia strains have been isolated from field-collected ticks or sheep blood during the last two decades but little is known about the vector ticks and transmission pattern. Babesia sp. BQ1 (Lintan) is a Babesia strain infective for sheep and goats, isolated from blood of sheep experimentally infested with Haemaphysalis qinghaiensis collected in field. In the present study, we explored the experimental transmission of Babesia sp. BQ1 (Lintan) to sheep by H. qinghaiensis and Haemaphysalis longicornis. Based on the evidence from nested PCR, it suggested that H. qinghaiensis and H. longicornis are the potential vector ticks of Babesia sp. BQ1 (Lintan) and that larvae, nymphs and adults of both tick species were able to transmit Babesia sp. BQ1 (Lintan) to sheep. Parasites could be detected in the blood, by specific nested PCR, for one month post-infestation. (C) 2009 Elsevier Ireland Ltd. All rights reserved.