PreprintCited by 24Cellular transport and secretionAutophagy in Disease and TherapyLipid metabolism and biosynthesis

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

A role for Vps13-mediated lipid transfer at the ER-endosome contact site in ESCRT-mediated sorting

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Suzuki, Sho W., West, Matthew, Zhang, Yichen, Fan, Jenny S., Roberts, Rachel T., Odorizzi, Greg, Emr, Scott D.·2023·The Journal of Cell Biology

Preprint — published as 10.1083/jcb.202307094

Abstract

Endosomes are specialized organelles that function in the secretory and endocytic protein sorting pathways. Endocytosed cell surface receptors and transporters destined for lysosomal degradation are sorted into intralumenal vesicles (ILVs) at endosomes by E ndosomal S orting C omplex R equired for T ransport (ESCRT) proteins. The endosomes (multivesicular bodies, MVBs) then fuse with the lysosome. During endosomal maturation, the number of ILVs increases, but the size of endosomes does not decrease despite consumption of the limiting membrane during ILV formation. Vesicle-mediated trafficking is thought to provide lipids to support MVB biogenesis. However, we have uncovered an unexpected contribution of a large bridge-like lipid transfer protein, Vps13, in this process. Here, we reveal that Vps13-mediated lipid transfer at ER-endosome contact sites is required for the ESCRT pathway. We propose that Vps13 may play a critical role in supplying lipids to the endosome, ensuring continuous ESCRT-mediated sorting during MVB formation.

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Metadata

Authors
Suzuki, S. W., West, M., Zhang, Y., Fan, J. S., Roberts, R. T., Odorizzi, G., & Emr, S. D.
Affiliations
  • Nanyang Technological University (SG)
  • University of Colorado Boulder (US)
  • Cornell University (US)
Corresponding author
Suzuki, Sho W.
Venue
The Journal of Cell Biology
Publisher
openRxiv
Published
2023-07-07
Volume
223
Issue
4
ISSN
0021-9525 (ISSN-L)
OpenAlex
W4391564828
Cited by
24
References
1
Citations by year
2026: 9 · 2025: 13 · 2024: 2
FWCI
5.40
Type
journal article
Language
en
Open access
Licence
cc-by-nc-sa
Locations
  • The Journal of Cell Biology (publishedVersion, cc-by-nc-sa)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-sa)
  • PubMed (publishedVersion)
  • DR-NTU (Nanyang Technological University) (publishedVersion, cc-by-nc-sa)
Funders
  • Cornell University (CU563704)
  • University of Tokyo
  • National Institute of General Medical Sciences (R35GM149202)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Cellular transport and secretion
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Autophagy in Disease and Therapy
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
Vps13, lipid transfer, ESCRT, multivesicular bodies, endosomal sorting, endosomal maturation, lysosomal degradation
MeSH terms
Endocytosis, Lipids, Endosomes, Saccharomyces cerevisiae, Protein Transport, Saccharomyces cerevisiae Proteins, Endosomal Sorting Complexes Required for Transport, Multivesicular Bodies

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