Regulators of the cytoplasmic dynein motor.

Regulators of the cytoplasmic dynein motor.
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DOI:
10.1038/nrm2804
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发表时间:
2009-12
期刊:
Nature reviews. Molecular cell biology
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其他
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真核细胞使用细胞骨架马达蛋白来运输许多不同的细胞内货物。许多驱动蛋白和肌球蛋白已经进化以科普在真核生物进化过程中出现的各种运输需求。令人惊讶的是,一个单一的细胞质动力蛋白(一个负端定向微管马达)进行类似的多种运输活动,作为许多不同类型的驱动蛋白。动力蛋白是如何与其广泛的货物耦合的,它是如何在空间和时间上受到调节的?答案可能在于几种多功能衔接子,包括dynactin,lissencephaly 1,核分布蛋白E(NUDE)和NUDE样,Bicaudal d,Rod-ZW 10-Zwilch和Spindly,它们调节动力蛋白的功能和定位。
Eukaryotic cells use cytoskeletal motor proteins to transport many different intracellular cargos. Numerous kinesins and myosins have evolved to cope with the various transport needs that have arisen during eukaryotic evolution. Surprisingly, a single cytoplasmic dynein (a minus end-directed microtubule motor) carries out similarly diverse transport activities as the many different types of kinesin. How is dynein coupled to its wide range of cargos and how is it spatially and temporally regulated? The answer could lie in the several multifunctional adaptors, including dynactin, lissencephaly 1, nuclear distribution protein E (NUDE) and NUDE-like, Bicaudal d, Rod–ZW10–Zwilch and Spindly, that regulate dynein function and localization.
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