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Many cytoplasmic cargoes are transported along microtubules using dynein or kinesin molecular motors. As the sorting machinery of the cell needs to be tightly controlled, associated factors are employed to either recruit cargoes to motors or to regulate their activities. In the present review, we concentrate on the BicD (Bicaudal-D) protein, which has recently emerged as an essential element for transport of several important cargoes by the minus-end-directed motor cytoplasmic dynein. BicD was proposed to be a linker bridging cargo and dynein, although recent studies suggest that it may also have roles in the regulation of cargo motility. Here we summarize the current knowledge of the role that BicD plays in the transport of diverse cellular constituents. We catalogue the molecular interactions that underpin these functions and also highlight important questions to be addressed in the future.

Original publication

DOI

10.1042/BST0371066

Type

Journal article

Journal

Biochem Soc Trans

Publication Date

10/2009

Volume

37

Pages

1066 - 1071

Keywords

Animals, Drosophila Proteins, Endoplasmic Reticulum, Golgi Apparatus, Humans, Microtubules, Molecular Motor Proteins, Protein Isoforms, Protein Transport, Transport Vesicles