نتایج جستجو برای: outer membrane vesicle omv
تعداد نتایج: 454638 فیلتر نتایج به سال:
Outer Membrane Vesicles (OMVs) of Gram-negative bacteria are spherical membrane-enclosed entities of endocytic origin. Reported in the consortia of different bacterial species, production of OMVs into extracellular milieu seems essential for their survival. Enriched with bioactive proteins, toxins, and virulence factors, OMVs play a critical role in the bacteria-bacteria and bacteria-host inter...
Nanoscale outer membrane vesicles (OMVs) secreted by Gram-negative bacteria are often applied in antibacterial treatment as adjuvants or antigens. Recently, OMVs have also been tested a few anti-tumor studies, which injected multiple times to achieve certain therapeutic effects, showing risks repeated cytokine storms. Herein, we propose the use single low dose of combined with photothermal ther...
Little is known about secretion of outer membrane vesicles (OMVs) by Cronobacter. In this study, OMVs isolated from Cronobacter sakazakii, Cronobacter turicensis, and Cronobacter malonaticus were examined by electron microscopy (EM) and their associated outer membrane proteins (OMP) and genes were analyzed by SDS-PAGE, protein sequencing, BLAST, PCR, and DNA microarray. EM of stained cells reve...
background: leptospirosis has been recognized as an important reemerging infectious disease caused by pathogenic leptospira spp. a major challenge of this disease is the application of a basic research to improve diagnostic method. outer membrane proteins of leptospira are potential candidates that could be useful in diagnosis. among them the lipl41 is an immunogenic protein which is present on...
The outer segment is a specialized compartment of vertebrate rod and cone photoreceptor cells where phototransduction takes place. In rod cells it consists of an organized stack of disks enclosed by a separate plasma membrane. Although most proteins involved in phototransduction have been identified and characterized, little is known about the proteins that are responsible for outer segment str...
DNA from Haemophilus influenzae type b was cloned in Escherichia coli with a vector lambda gt11 Amp1. Clones producing antigens reactive with hyperimmune rabbit antisera were identified by colony radioimmune assay. A second screening with hyperimmune serum adsorbed with intact H. influenzae type b bacteria was used to identify those clones producing surface-exposed outer membrane proteins. The ...
Vesicle adhesion and fusion to interfaces are frequently used for the construction of biomimetic surfaces in biosensors and drug delivery. Ubiquitous in cell biology, vesicle fusion involves the transformation of two separate membranes into one contiguous lipid bilayer. In distinction, the deposition of vesicle membranes to hydrophobic surfaces requires the transformation of a lipidic bilayer i...
Reductively [3H]methylated 3H mitochondrial-outer-membrane vesicles from rat liver and vesicles where monoamine oxidase has been derivatized irreversibly by [3H]-pargyline have been deliberately miscompartmentalized by heterologous transplantation into hepatoma (HTC) cells by poly(ethylene glycol)-mediated vesicle-cell fusion. Fluorescein-conjugated mitochondrial-outer-membrane vesicles have al...
The gastric flippase has been found recently in isolated hog gastric vesicles. We found here that the flippase ATP-dependently translocates endogenous phosphatidylcholine, phosphatidylethanolamine and phosphatidylserine from the outer (cytosolic) to inner (luminal) leaflet of the vesicle membrane bilayer or to the vesicle interior. In the experiments, vesicles were incubated in the presence and...
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