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Generation of nanoscopic membrane curvature for membrane trafficking
Curved membranes are key features of intracellular organelles, and their generation
involves dynamic protein complexes. Here we describe the fundamental mechanisms such …
involves dynamic protein complexes. Here we describe the fundamental mechanisms such …
[HTML][HTML] Capturing the mechanics of clathrin-mediated endocytosis
SM Smith, CJ Smith - Current Opinion in Structural Biology, 2022 - Elsevier
Clathrin-mediated endocytosis enables selective uptake of molecules into cells in response
to changing cellular needs. It occurs through assembly of coat components around the …
to changing cellular needs. It occurs through assembly of coat components around the …
Cryo-electron tomography pipeline for plasma membranes
Cryo-electron tomography (cryoET) provides sub-nanometer protein structure within the
dense cellular environment. Existing sample preparation methods are insufficient at …
dense cellular environment. Existing sample preparation methods are insufficient at …
[HTML][HTML] Mechanistic insights into actin force generation during vesicle formation from cryo-electron tomography
Actin assembly provides force for a multitude of cellular processes. Compared to actin-
assembly-based force production during cell migration, relatively little is understood about …
assembly-based force production during cell migration, relatively little is understood about …
Clathrin coats partially preassemble and subsequently bend during endocytosis
Eukaryotic cells use clathrin-mediated endocytosis to take up a large range of extracellular
cargo. During endocytosis, a clathrin coat forms on the plasma membrane, but it remains …
cargo. During endocytosis, a clathrin coat forms on the plasma membrane, but it remains …
Actin polymerization promotes invagination of flat clathrin-coated lattices in mammalian cells by pushing at lattice edges
C Yang, P Colosi, S Hugelier, D Zabezhinsky… - Nature …, 2022 - nature.com
Clathrin-mediated endocytosis (CME) requires energy input from actin polymerization in
mechanically challenging conditions. The roles of actin in CME are poorly understood due to …
mechanically challenging conditions. The roles of actin in CME are poorly understood due to …
FCHO controls AP2's initiating role in endocytosis through a PtdIns(4,5)P2-dependent switch
Clathrin-mediated endocytosis (CME) is the main mechanism by which mammalian cells
control their cell surface proteome. Proper operation of the pivotal CME cargo adaptor AP2 …
control their cell surface proteome. Proper operation of the pivotal CME cargo adaptor AP2 …
Reticular adhesions are assembled at flat clathrin lattices and opposed by active integrin α5β1
L Hakanpää, A Abouelezz, AS Lenaerts, S Culfa… - Journal of Cell …, 2023 - rupress.org
Reticular adhesions (RAs) consist of integrin αvβ5 and harbor flat clathrin lattices (FCLs),
long-lasting structures with similar molecular composition as clathrin-mediated endocytosis …
long-lasting structures with similar molecular composition as clathrin-mediated endocytosis …
Induced nanoscale membrane curvature bypasses the essential endocytic function of clathrin
During clathrin-mediated endocytosis (CME), flat plasma membrane is remodeled to
produce nanometer-scale vesicles. The mechanisms underlying this remodeling are not …
produce nanometer-scale vesicles. The mechanisms underlying this remodeling are not …
The molecular organization of differentially curved caveolae indicates bendable structural units at the plasma membrane
Caveolae are small coated plasma membrane invaginations with diverse functions.
Caveolae undergo curvature changes. Yet, it is unclear which proteins regulate this process …
Caveolae undergo curvature changes. Yet, it is unclear which proteins regulate this process …