Abstract
The position of lysosomes in the cytoplasm is important for their ability to fuse with the plasma membrane and release of proteases that are involved in tissue remodeling. Motor-directed bidirectional transport along microtubules is a critical process determining the distribution of lysosomes. How lysosomes are tethered to microtubules is incompletely understood, but a role for small GTPases of rab and arl families has been documented. We recently found that the rab5 and rab4 effector rabip4′ interacts with the adaptor complex AP-3 in a rab4-dependent manner on tubular endosomes. We here describe the assays that led to the identification of AP-3 as a rabip4′ partner and the role of the complex in regulating the spatial distribution of lysosomes.
An erratum to this chapter is available at http://dx.doi.org/10.1007/978-1-4939-2569-8_29
An erratum to this chapter can be found at http://dx.doi.org/10.1007/978-1-4939-2569-8_29
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Acknowledgments
This research was supported by grant UEFISCDI PNII-RU 122/2010 (VI) and the Netherlands Organization for Scientific Research NWO-CW (PvdS).
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Ivan, V., van der Sluijs, P. (2015). Methods for Analysis of AP-3/Rabin4’ in Regulation of Lysosome Distribution. In: Li, G. (eds) Rab GTPases. Methods in Molecular Biology, vol 1298. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-2569-8_21
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DOI: https://doi.org/10.1007/978-1-4939-2569-8_21
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