Abstract

The endocytic pathway is composed of distinct types of endosomes that vary in shape, function, and molecular composition. In addition, endosomes are highly dynamic structures that continuously receive, sort, and deliver molecules to other organelles. Among organizing machineries that contribute to endosomal functions, Rab GTPases and kinesin motors play critical roles. Rab proteins define the identity of endosomal subdomains by recruiting set of effectors among which kinesins shape and transport membranous carriers along the microtubule network. In this review, we provide detailed protocols from live cell imaging to electron microscopy and biochemical approaches to address how Rab and kinesin proteins cooperate molecularly and functionally within the endocytic pathway.

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