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Coordination of Rab8 and Rab11 in primary ciliogenesis

Open access
Knödler, Andreas, Feng, Shanshan, Zhang, Jian, Zhang, Xiaoyu, Das, Amlan, Peränen, Johan, Guo, Wei·2010·Proceedings of the National Academy of Sciences

Abstract

Primary cilia are microtubule-based membrane projections located at the surface of many cells. Defects in primary cilia formation have been implicated in a number of genetic disorders, such as Bardet-Biedl Syndrome and Polycystic Kidney Disease. Recent studies have demonstrated that polarized vesicular transport involving Rab8 and its guanine nucleotide-exchange factor Rabin8 is essential for primary ciliogenesis. Here we report that Rabin8 is a direct downstream effector of Rab11, which functions in membrane trafficking from the trans-Golgi network and recycling endosomes. Rab11, in its GTP-bound form, interacts with Rabin8 and kinetically stimulates the guanine nucleotide-exchange activity of Rabin8 toward Rab8. Rab11 is enriched at the base of the primary cilia and inhibition of Rab11 function by a dominant-negative mutant or RNA interference blocks primary ciliogenesis. Our results suggest that Rab GTPases coordinate with each other in the regulation of vesicular trafficking during primary ciliogenesis.

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Metadata

Authors
Knödler, A., Feng, S., Zhang, J., Zhang, X., Das, A., Peränen, J., & Guo, W.
Venue
Proceedings of the National Academy of Sciences
Published
2010-03-22
Volume
107
Issue
14
Pages
6346-6351
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2145676689
Cited by
483
References
4
FWCI
19.45
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Coordination of Rab8 and Rab11 in primary ciliogenesis. https://app.cochat.ai/papers/10.1073/pnas.1002401107
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Knödler, A., Feng, S., Zhang, J., Zhang, X., Das, A., Peränen, J., & Guo, W. (2010). Coordination of Rab8 and Rab11 in primary ciliogenesis. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1002401107

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.