RBG motif bridge-like lipid transport proteins: structure, functions, and open questions

M Hanna, A Guillén-Samander… - Annual Review of Cell …, 2023 - annualreviews.org
The life of eukaryotic cells requires the transport of lipids between membranes, which are
separated by the aqueous environment of the cytosol. Vesicle-mediated traffic along the …

Autophagosome biogenesis: From membrane growth to closure

TJ Melia, AH Lystad, A Simonsen - Journal of Cell Biology, 2020 - rupress.org
Autophagosome biogenesis involves de novo formation of a membrane that elongates to
sequester cytoplasmic cargo and closes to form a double-membrane vesicle (an …

VPS13D bridges the ER to mitochondria and peroxisomes via Miro

A Guillén-Samander, M Leonzino, MG Hanna IV… - Journal of Cell …, 2021 - rupress.org
Mitochondria, which are excluded from the secretory pathway, depend on lipid transport
proteins for their lipid supply from the ER, where most lipids are synthesized. In yeast, the …

Regulation and function of mitochondria–lysosome membrane contact sites in cellular homeostasis

YC Wong, S Kim, W Peng, D Krainc - Trends in cell biology, 2019 - cell.com
Mitochondrial and lysosomal function are intricately related and critical for maintaining
cellular homeostasis, as highlighted by multiple diseases linked to dysfunction of both …

In situ architecture of the lipid transport protein VPS13C at ER–lysosome membrane contacts

S Cai, Y Wu, A Guillen-Samander… - Proceedings of the …, 2022 - National Acad Sciences
VPS13 is a eukaryotic lipid transport protein localized at membrane contact sites. Previous
studies suggested that it may transfer lipids between adjacent bilayers by a bridge-like …

A novel superfamily of bridge-like lipid transfer proteins

SD Neuman, TP Levine, A Bashirullah - Trends in cell biology, 2022 - cell.com
Lipid transfer proteins mediate nonvesicular transport of lipids at membrane contact sites to
regulate the lipid composition of organelle membranes. Recently, a new type of bridge-like …

[HTML][HTML] Insights into VPS13 properties and function reveal a new mechanism of eukaryotic lipid transport

M Leonzino, KM Reinisch, P De Camilli - Biochimica et Biophysica Acta …, 2021 - Elsevier
The occurrence of protein mediated lipid transfer between intracellular membranes has
been known since the late 1960's. Since these early discoveries, numerous proteins …

A partnership between the lipid scramblase XK and the lipid transfer protein VPS13A at the plasma membrane

A Guillén-Samander, Y Wu… - Proceedings of the …, 2022 - National Acad Sciences
Chorea-acanthocytosis (ChAc) and McLeod syndrome are diseases with shared clinical
manifestations caused by mutations in VPS13A and XK, respectively. Key features of these …

An ESCRT-dependent step in fatty acid transfer from lipid droplets to mitochondria through VPS13D− TSG101 interactions

J Wang, N Fang, J Xiong, Y Du, Y Cao, WK Ji - Nature communications, 2021 - nature.com
Upon starvation, cells rewire their metabolism, switching from glucose-based metabolism to
mitochondrial oxidation of fatty acids, which require the transfer of FAs from lipid droplets …

[HTML][HTML] Cryo-EM reconstruction of a VPS13 fragment reveals a long groove to channel lipids between membranes

PQ Li, JA Lees, CP Lusk, KM Reinisch - Journal of Cell Biology, 2020 - rupress.org
A single particle cryo-EM reconstruction of an∼ 160-kD N-terminal fragment of the lipid
transport protein VPS13 reveals an∼ 160-Å long channel lined with hydrophobic residues …