Parasites in motion: flagellum-driven cell motility in African trypanosomes.

Parasites in motion: flagellum-driven cell motility in African trypanosomes.
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DOI:
10.1016/j.mib.2010.05.015
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发表时间:
2010-08
影响因子:
5.4
通讯作者:
Hill, Kent L.
Hill, Kent L.
中科院分区:
生物学2区
文献类型:
--
作者:
Hill, Kent L.

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昏睡病寄生虫布氏锥虫的运动性影响疾病传播和发病机制。锥虫运动是由一个鞭毛,窝藏一个典型的9 + 2轴丝,连同锥虫特定的阐述。锥虫鞭毛生物学和运动性一直是过去两年来深入研究的对象。这些研究发现了一种新的运动形式,称为社会运动,并对长期存在的细胞推进模型进行了修订。最近的工作还发现了新的结构特征和电机蛋白与鞭毛装置,并确定了候选人的信号分子,预计调节鞭毛运动。再加上早期的清单鞭毛蛋白的蛋白质组学和基因组学研究,现在的阶段是向前迈进的功能研究,以阐明分子机制和调查寄生虫运动的背景下,宿主-寄生虫相互作用。
Motility of the sleeping sickness parasite, Trypanosoma brucei, impacts disease transmission and pathogenesis. Trypanosome motility is driven by a flagellum that harbors a canonical 9 + 2 axoneme, together with trypanosome-specific elaborations. Trypanosome flagellum biology and motility have been the object of intense research over the last two years. These studies have led to the discovery of a novel form of motility, termed social motility, and provided revision of long-standing models for cell propulsion. Recent work has also uncovered novel structural features and motor proteins associated with the flagellar apparatus and has identified candidate signaling molecules that are predicted to regulate flagellar motility. Together with earlier inventories of flagellar proteins from proteomic and genomic studies, the stage is now set to move forward with functional studies to elucidate molecular mechanisms and investigate parasite motility in the context of host-parasite interactions.
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