AMPH-1/Amphiphysin/Bin1 functions with RME-1/Ehd1 in endocytic recycling
Open accessAbstract
RME-1/EHD1 (receptor mediated endocytosis/Eps15 homology-domain containing 1) family proteins are key residents of the recycling endosome, which are required for endosome-to-plasma membrane transport in Caenorhabditis elegans and mammals. Recent studies suggest similarities between the RME-1/EHD proteins and the Dynamin GTPase superfamily of mechanochemical pinchases, which promote membrane fission. Here we show that endogenous C. elegans AMPH-1, the only C. elegans member of the Amphiphysin/BIN1 family of BAR (Bin1-Amphiphysin-Rvs161p/167p)-domain-containing proteins, colocalizes with RME-1 on recycling endosomes in vivo, that amph-1-deletion mutants are defective in recycling endosome morphology and function, and that binding of AMPH-1 Asn-Pro-Phe(Asp/Glu) sequences to the RME-1 EH-domain promotes the recycling of transmembrane cargo. We also show a requirement for human BIN1 (also known as Amphiphysin 2) in EHD1-regulated endocytic recycling. In vitro, we find that purified recombinant AMPH-1-RME-1 complexes produce short, coated membrane tubules that are qualitatively distinct from those produced by either protein alone. Our results indicate that AMPH-1 and RME-1 cooperatively regulate endocytic recycling, probably through functions required for the production of cargo carriers that exit the recycling endosome for the cell surface.
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EHD proteins regulate BIN1 activity and are required for endocytic vesicle recycling together with Rab8a, Rab11-FIP2 and MICAL-L1.
“EHD proteins regulate BIN1 activity and are required for endocytic vesicle recycling together with Rab8a, Rab11-FIP2 and MICAL-L1 (16,43,44).”
From BIN1 regulates BACE1 intracellular trafficking and amyloid-β production (2016) · cites this paper as [16]
The Results section (‘Mammalian Bin1/Amphiphysin2 functions in recycling’; page not provided) reports that BIN1 is present on EHD1-positive recycling tubules and that BIN1 depletion delays recycling. The paper describes BIN1 as functioning in EHD1-regulated recycling, but does not establish that EHD proteins regulate BIN1 activity. It also does not show recycling involving Rab8a, Rab11-FIP2 and MICAL-L1 together; Rab11-FIP2 appears in a reference title, not in that finding. (LLM, conf=0.87)
Experimental — accuracy not yet measuredDepletion of Bin1 in HeLa cells impaired recycling of transferrin, but not endocytosis, and cellular transferrin accumulated in the juxtanuclear compartment.
“In addition, the depletion of Bin1 in HeLa cells impaired the recycling of transferrin, but not endocytosis, and cellular transferrin was accumulated in the juxtanuclear compartment (16).”
From BIN1 regulates BACE1 intracellular trafficking and amyloid-β production (2016) · cites this paper as [16]
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References 50 · Cited by 218
Research works printed but not linked: 46
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- Authors
- Pant, S., Sharma, M., Patel, K., Caplan, S., Carr, C. M., & Grant, B. D.
- Affiliations
- Rutgers, The State University of New Jersey (US)
- University of Nebraska Medical Center (US)
- Corresponding author
- Grant, Barth D.
- Venue
- Nature Cell Biology
- Published
- 2009-11-15
- Volume
- 11
- Issue
- 12
- Pages
- 1399-1410
- ISSN
- 1465-7392 (ISSN-L)
- 1476-4679
- PMC
- PMC2788952
- OpenAlex
- W2007118279
- Cited by
- 218
- References
- 50
- Citations by year
- 2026: 4 · 2025: 13 · 2024: 11 · 2023: 5 · 2022: 20 · 2021: 8 · 2020: 11 · 2019: 11 · 2018: 10 · 2017: 9 · 2016: 15 · 2015: 16 · 2014: 17 · 2013: 18 · 2012: 20
- FWCI
- 7.27
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Nature Cell Biology (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institute of General Medical Sciences (R01GM067237, GM074876, GM67237, R01GM074876)
- National Center for Research Resources (R24RR022234, R24RR22234)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
- Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Caveolin-1 and cellular processes
- Keywords
- amphiphysin, BIN1, EHD1, endocytic recycling, recycling endosomes, BAR domain proteins, EH domain, Caenorhabditis elegans, cargo carriers, membrane fission
- MeSH terms
- Animals, Endocytosis, HeLa Cells, Humans, Microscopy, Electron, Nerve Tissue Proteins, Nuclear Proteins, Protein Binding, Caenorhabditis elegans, Tumor Suppressor Proteins, Caenorhabditis elegans Proteins, RNA Interference, Adaptor Proteins, Signal Transducing
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