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囊泡运输的功能与调控机制 被引量:8

Functions and Regulatory Mechanisms of Vesicular Transport
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摘要 真核细胞通过区隔化形成各种细胞器,这些膜状结构和细胞质膜共同构成了复杂的生物膜系统。细胞质膜和细胞器之间以及细胞器之间大量的物质和信息交流构成了细胞生命活动的基础。由马达蛋白驱动的囊泡运输是细胞内物质运输的主要形式,囊泡运输的调控机制是细胞生物学领域的重大科学问题。该文重点总结了近年来基于微管轨道的囊泡运输领域中关于马达蛋白kinesin和cytoplasmic dynein的货物识别机制、货物卸载机制的研究进展,并对马达蛋白对于微管轨道的识别机制进行了初步探讨。此外,该文还总结了囊泡运输与人类疾病之间的关系。 Vesicular transport is essential for cellular functions. The transport machinery comprises cargoes, cytoskeletal tracks and molecular motors. Among these motors are kinesins and cytoplasmic dynein, which are plus end- and minus end-directed microtubule motors, respectively. This review focuses on the mechanisms for cargo recognition and cargo release by kinesins and dynein, as well as the mechanisms underlying microtubule track selection by these motors. We also discuss the involvement of vesicular transport in human diseases.
出处 《中国细胞生物学学报》 CAS CSCD 北大核心 2014年第9期1218-1226,共9页 Chinese Journal of Cell Biology
基金 科技部重大研究计划(批准号:2014CB942802) 国家自然科学基金(批准号:31325017)资助的课题~~
关键词 囊泡运输 马达蛋白 货物识别 货物卸载 vesicular transport molecular motor cargo recognition cargo release
作者简介 通讯作者,Tel:010-64806561,E—mail:jjliu@genetics.ac.cn
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