Aeschlimann A, Burgdorfer W, Matile H, Peter O, Wyler R
Acta Trop. 1979 Jun;36(2):181-91.
The authors, after having recalled their recent work on Ixodes ricinus ecology, give the new results about the part played by this species in the transmission of different infectious agents in Switzerland. I. ricinus was already known to be the most important vector of the tick borne encephalitis virus, and of protozoans of the Babesia genus. In this article, we describe the existence in the hemolymphe of different I. ricinus populations, of a rickettsia species related to the RMST group (Rocky-Mountain Spotted Fever), of a trypanosome, which is close to T. theileri, and of an infectious larval form (L3) of Dipetalonema rugosicauda. An outline is suggested with the object of illustrating the functioning of a natural foci of tick encephalitis. The biological significance of the unusual presence of trypanosomes and of larval filariae in ticks is also discussed. The authors underline the fact that rickettsia, trypanosomes and filarial forms are observed for the first time in Swiss I. ricinus.
作者在回顾了他们最近关于蓖麻硬蜱生态学的研究工作后，给出了该物种在瑞士不同传染病原体传播中所起作用的新结果。蓖麻硬蜱已知是蜱传脑炎病毒以及巴贝斯属原生动物的最重要传播媒介。在本文中，我们描述了不同蓖麻硬蜱种群血淋巴中存在与RMST组（落基山斑疹热）相关的立克次氏体物种、一种与泰勒锥虫相近的锥虫以及 rugosicauda 双瓣线虫的感染性幼虫形式（L3）。提出了一个概述，旨在说明蜱传脑炎自然疫源地的运作情况。还讨论了锥虫和丝状蚴在蜱中异常存在的生物学意义。作者强调，立克次氏体、锥虫和丝状蚴在瑞士的蓖麻硬蜱中是首次被观察到。
