نتایج جستجو برای: outer membrane vesicle
تعداد نتایج: 454546 فیلتر نتایج به سال:
bordetella pertussis infects the respiratory tract of the human host and causes whooping cough in children. the nature of immunity against bordetella pertussis infection and disease is poorly understood. the aim of this study was to investigate cell mediated immunity in mice immunized with outer membrane component of cell wall, of b. pertussis. a group of mice were immunized with outer membrane...
The review reports on the secretion pathways of main virulence factor Vibrio cholerae , cholera toxin, both through two-stage Sec-dependent type 2 system and with help vesicles outer membrane V. cholerae. ways toxin transfer into host organism, depending its form, are discussed. well-studied free soluble is secreted extracellularly transmitted in a GM1-dependent manner cholesterolrich lipid raf...
The treatment ofStenotrophomonas maltophiliainfection with β-lactam antibiotics leads to increased release of outer membrane vesicles (OMVs), which are packed with two chromosomally encoded β-lactamases. Here, we show that these β-lactamase-packed OMVs are capable of establishing extracellular β-lactam degradation. We also show that they dramatically increase the apparent MICs of imipenem and t...
membrane/ protein trafficking in the secretory/ biosynthetic and endocytic pathways is mediated by vesicles. vesicle trafficking in eukaryotes is regulated by a class of small monomeric gtpases the rab protein family. rab proteins represent the largest branch of the ras superfamily gtpases, and have been concerned in a variety of intracellular vesicle trafficking and different intracellular sig...
background and objective: the outer membrane protein w ( ompw ) of vibrio cholerae is involved in stimulating the im- mune response via induction of protective immunity. it also plays an important role in bacterial pathogenesis by increasing the adaptability of pathogenic strains. in this study we aimed to clone v. cholerae ompw gene in the strain x-33 of pichia pastoris. materials and methods:...
Observing basic biological phenomenon in prokaryotic organisms encounter many complications and challenges. With the advancement of synthetic biology recent years, several cell-mimicking tools have emerged. Hence, need to engineer robust models that could assist bottom up research has become more demanding. Currently Giant Unilamellar Vesicles (GUVs) are becoming most preferred approach. In thi...
Formation of intracellular vesicles is initiated by membrane budding. Here we test the hypothesis that the plasma membrane surface area asymmetry could be a driving force for vesicle formation during endocytosis. The inner layer phospholipid number was therefore increased by adding exogenous aminophospholipids to living cells, which were then translocated from the outer to the inner layer of th...
Eukaryotic cells adhere to extracellular matrix during the normal development of organism, forming static adhesion as well cell motility. We study this process by considering a simplified coarse-grained model vesicle that has uniform energy with flat substrate, mobile-curved membrane proteins and active forces. find high concentration curved alone increases spreading vesicle, self-organization ...
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