Suppr超能文献

CED-10/Rac1 通过 RAB-5 GAP TBC-2 调节内吞回收。

CED-10/Rac1 regulates endocytic recycling through the RAB-5 GAP TBC-2.

机构信息

Department of Molecular Biology and Biochemistry, Rutgers University, Piscataway, New Jersey, United States of America.

出版信息

PLoS Genet. 2012;8(7):e1002785. doi: 10.1371/journal.pgen.1002785. Epub 2012 Jul 12.

Abstract

Rac1 is a founding member of the Rho-GTPase family and a key regulator of membrane remodeling. In the context of apoptotic cell corpse engulfment, CED-10/Rac1 acts with its bipartite guanine nucleotide exchange factor, CED-5/Dock180-CED-12/ELMO, in an evolutionarily conserved pathway to promote phagocytosis. Here we show that in the context of the Caenorhabditis elegans intestinal epithelium CED-10/Rac1, CED-5/Dock180, and CED-12/ELMO promote basolateral recycling. Furthermore, we show that CED-10 binds to the RAB-5 GTPase activating protein TBC-2, that CED-10 contributes to recruitment of TBC-2 to endosomes, and that recycling cargo is trapped in recycling endosomes in ced-12, ced-10, and tbc-2 mutants. Expression of GTPase defective RAB-5(Q78L) also traps recycling cargo. Our results indicate that down-regulation of early endosome regulator RAB-5/Rab5 by a CED-5, CED-12, CED-10, TBC-2 cascade is an important step in the transport of cargo through the basolateral recycling endosome for delivery to the plasma membrane.

摘要

Rac1 是 Rho-GTPase 家族的创始成员之一,也是膜重塑的关键调节因子。在凋亡细胞尸骸吞噬的背景下,CED-10/Rac1 与其二聚体鸟嘌呤核苷酸交换因子 CED-5/Dock180-CED-12/ELMO 一起作用,在进化上保守的途径中促进吞噬作用。在这里,我们表明在秀丽隐杆线虫肠道上皮细胞中,CED-10/Rac1、CED-5/Dock180 和 CED-12/ELMO 促进基底外侧循环。此外,我们表明 CED-10 与 RAB-5 GTP 酶激活蛋白 TBC-2 结合,CED-10 有助于将 TBC-2 募集到内体,并且在 ced-12、ced-10 和 tbc-2 突变体中循环货物被捕获在循环内体中。表达 GTPase 缺陷型 RAB-5(Q78L)也会捕获循环货物。我们的结果表明,CED-5、CED-12、CED-10、TBC-2 级联下调早期内体调节剂 RAB-5/Rab5 是货物通过基底外侧循环内体运输到质膜的重要步骤。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/df23/3395619/b2f708926047/pgen.1002785.g001.jpg

相似文献

1
CED-10/Rac1 regulates endocytic recycling through the RAB-5 GAP TBC-2.
PLoS Genet. 2012;8(7):e1002785. doi: 10.1371/journal.pgen.1002785. Epub 2012 Jul 12.
2
Basolateral Endocytic Recycling Requires RAB-10 and AMPH-1 Mediated Recruitment of RAB-5 GAP TBC-2 to Endosomes.
PLoS Genet. 2015 Sep 22;11(9):e1005514. doi: 10.1371/journal.pgen.1005514. eCollection 2015.
4
The small GTPase RAB-35 defines a third pathway that is required for the recognition and degradation of apoptotic cells.
PLoS Genet. 2018 Aug 23;14(8):e1007558. doi: 10.1371/journal.pgen.1007558. eCollection 2018 Aug.
6
Cell corpse engulfment mediated by C. elegans phosphatidylserine receptor through CED-5 and CED-12.
Science. 2003 Nov 28;302(5650):1563-6. doi: 10.1126/science.1087641.
7
Identification of two signaling submodules within the CrkII/ELMO/Dock180 pathway regulating engulfment of apoptotic cells.
Cell Death Differ. 2007 May;14(5):963-72. doi: 10.1038/sj.cdd.4402094. Epub 2007 Feb 16.
9
TBC-2 regulates RAB-5/RAB-7-mediated endosomal trafficking in Caenorhabditis elegans.
Mol Biol Cell. 2010 Jul 1;21(13):2285-96. doi: 10.1091/mbc.e09-11-0947. Epub 2010 May 12.
10
A novel requirement for C. elegans Alix/ALX-1 in RME-1-mediated membrane transport.
Curr Biol. 2007 Nov 20;17(22):1913-24. doi: 10.1016/j.cub.2007.10.045. Epub 2007 Nov 8.

引用本文的文献

1
RAB-10 cooperates with EHBP-1 to capture vesicular carriers during post-Golgi exocytic trafficking.
J Cell Biol. 2025 Apr 7;224(4). doi: 10.1083/jcb.202410003. Epub 2025 Feb 21.
2
DRG2 as a Biomarker to Enhance the Predictive Efficacy of PD-L1 Immunohistochemistry Assays.
Biomedicines. 2024 Dec 29;13(1):56. doi: 10.3390/biomedicines13010056.
3
DRG2 is required for surface localization of PD-L1 and the efficacy of anti-PD-1 therapy.
Cell Death Discov. 2024 May 27;10(1):260. doi: 10.1038/s41420-024-02027-x.
4
Mechanisms of aquaporin-4 vesicular trafficking in mammalian cells.
J Neurochem. 2024 Feb;168(2):100-114. doi: 10.1111/jnc.16029. Epub 2023 Dec 16.
5
Syndapin and GTPase RAP-1 control endocytic recycling via RHO-1 and non-muscle myosin II.
Curr Biol. 2023 Nov 20;33(22):4844-4856.e5. doi: 10.1016/j.cub.2023.09.051. Epub 2023 Oct 12.
8
Rab GTPases: The principal players in crafting the regulatory landscape of endosomal trafficking.
Comput Struct Biotechnol J. 2022 Aug 11;20:4464-4472. doi: 10.1016/j.csbj.2022.08.016. eCollection 2022.
9
The Rab GTPase activating protein TBC-2 regulates endosomal localization of DAF-16 FOXO and lifespan.
PLoS Genet. 2022 Aug 1;18(8):e1010328. doi: 10.1371/journal.pgen.1010328. eCollection 2022 Aug.
10
The Ubiquitin-Proteasome System in Apoptosis and Apoptotic Cell Clearance.
Front Cell Dev Biol. 2022 Jul 6;10:914288. doi: 10.3389/fcell.2022.914288. eCollection 2022.

本文引用的文献

1
Role of Rab GTPases in membrane traffic and cell physiology.
Physiol Rev. 2011 Jan;91(1):119-49. doi: 10.1152/physrev.00059.2009.
3
The Mon1-Ccz1 complex is the GEF of the late endosomal Rab7 homolog Ypt7.
Curr Biol. 2010 Sep 28;20(18):1654-9. doi: 10.1016/j.cub.2010.08.002.
4
EHBP-1 functions with RAB-10 during endocytic recycling in Caenorhabditis elegans.
Mol Biol Cell. 2010 Aug 15;21(16):2930-43. doi: 10.1091/mbc.E10-02-0149. Epub 2010 Jun 23.
5
Transport at the recycling endosome.
Curr Opin Cell Biol. 2010 Aug;22(4):528-34. doi: 10.1016/j.ceb.2010.05.008. Epub 2010 Jun 11.
6
TBC-2 regulates RAB-5/RAB-7-mediated endosomal trafficking in Caenorhabditis elegans.
Mol Biol Cell. 2010 Jul 1;21(13):2285-96. doi: 10.1091/mbc.e09-11-0947. Epub 2010 May 12.
7
Identification of the switch in early-to-late endosome transition.
Cell. 2010 Apr 30;141(3):497-508. doi: 10.1016/j.cell.2010.03.011.
8
Identification of two evolutionarily conserved genes regulating processing of engulfed apoptotic cells.
Nature. 2010 Apr 1;464(7289):778-82. doi: 10.1038/nature08853. Epub 2010 Mar 21.
9
The Wnt pathway controls cell death engulfment, spindle orientation, and migration through CED-10/Rac.
PLoS Biol. 2010 Feb 2;8(2):e1000297. doi: 10.1371/journal.pbio.1000297.
10
Armus is a Rac1 effector that inactivates Rab7 and regulates E-cadherin degradation.
Curr Biol. 2010 Feb 9;20(3):198-208. doi: 10.1016/j.cub.2009.12.053. Epub 2010 Jan 28.

文献AI研究员

20分钟写一篇综述,助力文献阅读效率提升50倍。

立即体验

用中文搜PubMed

大模型驱动的PubMed中文搜索引擎

马上搜索

文档翻译

学术文献翻译模型,支持多种主流文档格式。

立即体验