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The aim of our study was to investigate the impact of macroautophagy on exosome secretion. Exosomes are small membrane vesicles released in the extracellular space upon fusion of multivesicular endosomes with the plasma membrane. They were initially discovered as a way to remodel the reticulocyte plasma membrane before entering the blood circulation (Current Opinion in Hematology 2010, 17:177‐183)...
Most soluble proteins targeted to the peroxisomal matrix contain a C‐terminal peroxisome targeting signal type 1 (PTS1) or an N‐terminal PTS2 that is recognized by the receptors Pex5p and Pex7p, respectively. These receptors cycle between the cytosol and peroxisome and back again for multiple rounds of cargo delivery to the peroxisome. A small number of peroxisomal matrix proteins, including all six...
Endosomes are dynamic intracellular compartments that control the sorting of a constant stream of different transmembrane cargos either for ESCRT‐mediated degradation or for egress and recycling to compartments such as the Golgi and the plasma membrane. The recycling of cargos occurs within tubulovesicular membrane domains and is facilitated by peripheral membrane protein machineries that control...
Vesicular transport between different membrane compartments is a key process in cell biology required for the exchange of material and information. The complex machinery that executes the formation and delivery of transport vesicles has been intensively studied and yielded a comprehensive view of the molecular principles that underlie the budding and fusion process. Tethering also represents an essential...
Coat proteins play multiple roles in the life cycle of a membrane‐bound transport intermediate, functioning in lipid bilayer remodeling, cargo selection and targeting to an acceptor compartment. The Coat Protein complex II (COPII) coat is known to act in each of these capacities, but recent work highlights the necessity for numerous accessory factors at all stages of transport carrier existence. Here,...
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