Researchers have uncovered the molecular 'gate' for bulky cargo in bacteria, allowing it to safely transport large proteins across cell membranes. The Tat system, essential for metabolism and virulence, may serve as a potential target for antimicrobial interventions.
Researchers have discovered that vesicles generated from cell-surface protrusions can deliver active proteins and genome-editing enzymes far more efficiently than conventional extracellular vesicles. This natural delivery system may enable the development of safer and more precise strategies for genome editing, regenerative medicine, a...
Researchers identify packing density as key factor affecting membrane elasticity, offering new insights into homeostasis and cellular behavior. This discovery has significant implications for drug delivery applications and the development of lifelike artificial cells.
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Live imaging techniques reveal that the secretory pathway plays a crucial role in de novo membrane formation, with Gip1 identified as a key molecule affecting this process. In Gip1-deficient cells, abnormal spore plasma membranes are formed due to defects in regenerating ER exit sites.
Researchers from Nara Institute of Science and Technology developed a fluorescence-based monitoring system to study BAR protein assembly. The study found that WASP, Cdc42, and other proteins facilitate GAS7 assembly on lipid membranes, promoting cellular shape formation and protein signaling.
Scientists have elucidated the regulatory functions of Pan1p, a key player in late-stage clathrin-mediated endocytosis. The protein drives actin assembly and disassembly, facilitating vesicle internalization.
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SARS-CoV-2 uses nanotubes to infect neurons, bypassing the usual ACE2 receptor. The virus can spread rapidly through these nanotubes, contributing to its infectious capacity and neurological symptoms.
Researchers developed a mathematical model to predict the efficiency of nanoparticle delivery into cells, particularly in stem cells. They found that nanoparticles become trapped in bubble-like vesicles, preventing them from reaching their targets.
Scientists have identified a biomolecular condensate as the key to initiating endocytosis, a process by which cells absorb nutrients and regulate hormone sensitivity. The discovery sheds light on how membrane buckling occurs and has implications for understanding diseases such as cancers, heart disease, and neuropsychiatric disorders.
Researchers at the University of Alabama at Birmingham discovered the mechanism of secretion and trafficking of Mycobacterium tuberculosis' toxin TNT, which kills over 1 million people annually. The ESX-4 type VII secretion system plays a crucial role in transporting TNT across cell membranes.
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Researchers at UT Southwestern Medical Center have identified phosphatidylinositol 4 phosphate (PI4P) as the main regulator of membrane trafficking in the Golgi. This finding debunks a decade-old theory and provides insight into the vital process of cell survival.