Translocon component Sec62 acts in endoplasmic reticulum turnover during stress recovery
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Realistic models of cellular environments have long captured the imagination of biologists and physical scientists. More than 20 years ago, Goodshellâs inspiring rendering of cellular environments provided the foundation for the idea of capturing the ful ...
The endoplasmic reticulum (ER) is an intracellular compartment dedicated to the synthesis and maturation of secretory and membrane proteins, totalling about 30% of the total eukaryotic cells proteome. The capacity to produce correctly folded polypeptides a ...
Numerous peptides serve as natural ligands of intra- and extracellular receptors. The presence of charged amino acids, however, often hinders the membrane-crossing ability of some of these peptides and renders them unsuitable as chem. probes for perturbing ...
Maintenance of cellular proteostasis relies on efficient clearance of defective gene products. For misfolded secretory proteins, this involves dislocation from the endoplasmic reticulum (ER) into the cytosol followed by proteasomal degradation. However, po ...
Entry of the facultative intracellular pathogen Brucella into host cells results in the formation of endosomal Brucella-containing vacuoles (eBCVs) that initially traffic along the endocytic pathway. eBCV acidification triggers the expression of a type IV ...
We report systematic transmission electron microscope (TEM) observations of the cellular ultrastructure of selected, small rotalid benthic foraminifera. Nine species from different environments (intertidal mudflat, fjord, and basin) were investigated: Ammo ...
The type Ill secretion system machinery, also known as the injectisome, delivers bacterial effector proteins into eukaryotic cells during infection. The outer membrane YscC secretin is a major part of Yersinia enterocolitica's injectisome and is among the ...
The endoplasmic reticulum (ER) is the largest organelle in mammalian cells. More than 50 years ago, its morphology was already described as consisting of two major compartments: the rough ER and the smooth ER, which both fulfil precise and distinct functio ...
The endoplasmic reticulum (ER) forms functional contacts with several cellular organelles and regulates processes such as mitochondrial fission. In a recent issue of Cell, Rowland et al. (2014) extend these findings to endosomes, showing that the ER contac ...
The endoplasmic reticulum (ER) is the site of maturation for secretory and membrane proteins in eukaryotic cells. The lumen of the mammalian ER contains >20 members of the protein disulfide isomerase (PDI) superfamily, which ensure formation of the correct ...