Henry Thomas, Gorvel Jean-Pierre, Méresse Stéphane
Centre d'Immunologie de Marseille-Luminy, CNRS-INSERM-Université Méditerranée, Parc Scientifique de Luminy, Case 906-13288 Marseille Cedex 9, France.
Cell Microbiol. 2006 Jan;8(1):23-32. doi: 10.1111/j.1462-5822.2005.00649.x.
Cargoes are transported intracellularly along cytoskeletal tracks composed of actin or tubulin. Their movement involves the action of molecular motor proteins that generate directed movement along microtubules or actin filaments. The three classes of molecular motors--kinesins, dyneins and myosins--are involved in a multiplicity of biological movements such as mitosis, positioning of organelles, intracellular transports and also vesicular sorting through membrane tubulation and fission and delivery to their target compartment. Intracellular pathogens use this molecular machinery to reach their site of replication, to leave their host or to control the dynamics of membrane exchanges with their replication compartment.
货物沿着由肌动蛋白或微管蛋白组成的细胞骨架轨道在细胞内运输。它们的移动涉及分子马达蛋白的作用,这些蛋白沿着微管或肌动蛋白丝产生定向移动。三类分子马达——驱动蛋白、动力蛋白和肌球蛋白——参与多种生物活动,如细胞有丝分裂、细胞器定位、细胞内运输,以及通过膜管状化和裂变进行囊泡分选并将其递送至目标区室。细胞内病原体利用这种分子机制到达其复制位点、离开宿主或控制与复制区室的膜交换动态。