Bacterial outer membrane
Sequential Translocation of Polypeptides across the Bacterial Outer Membrane through the Trimeric Autotransporter Pathway
... ABSTRACT Trimeric autotransporter adhesins (TAAs) are a family of bacterial outer membrane (OM) proteins that are comprised of three identical subunits. Each sub- unit contains an N-terminal ...
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Mesenchymal stromal cell-derived nanovesicles ameliorate bacterial outer membrane vesicle-induced sepsis via IL-10
... Background: Sepsis remains a source of high mortality in hospitalized patients despite proper antibiotic approaches. Encouragingly, mesenchymal stromal cells (MSCs) and their produced extracellular vesicles (EVs) have ...
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A Bilayer Couple Model of Bacterial Outer Membrane Vesicle Biogenesis
... the bacterial outer membrane, the cy- toplasmic membrane is linked to an underlying ...allowing membrane curvature caused by small molecules to be stable and observed in real-time ...
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Inflammasome Activation by Bacterial Outer Membrane Vesicles Requires Guanylate Binding Proteins
... adding bacterial outer membrane vesicles (OMVs) comprised of LPS and other cell wall components to culture medium is sufficient to activate caspase-11 in macrophages, which are able to extract and ...
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Bacterial outer membrane vesicles, a potential vaccine candidate in interactions with host cells based
... non-pathogenic bacterial OMVs may show great discrepancy in biological ...tween bacterial components and OMVs may modulate production of ...of outer membrane pro- teins, which may be critical ...
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Structural and functional studies of bacterial outer membrane lipopolysaccharide insertion and Schmallenberg virus replication
... protein (OMP), whose function is to assemble LPS into the OM of the cell surface. LptD possesses a large periplasmic N-terminal domain (amino acids 25 to 202) and a C-terminal transmembrane β-barrel domain (amino acids ...
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Studies on the synergistic protective activity of cancer antigens associated to engineered bacterial Outer Membrane Vesicles
... Purified OMVs or TEXs (1µg or 5µg protein content) were suspended in SDS- PAGE loading buffer (Bio-Rad) and were then separated on a SDS-PAGE 4- 12% polyacrylamide gel (Thermo Fisher Scientific). Proteins separated by ...
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Bacterial outer membrane vesicles and vaccine applications
... Summary: Vaccines based on outer membrane vesicles (OMV) were developed more than 20 years ago against Neisseria meningitidis serogroup B. These nano- sized structures exhibit remarkable potential for ...
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Structural and functional studies of bacterial outer membrane proteins
... The MTT assay has long been applied to test the metabolic activity of live cells since the first report from Mosmann (Mosmann, 1983). Growing bacterial cells go through several stages. Namely, lag phase when no ...
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Exploring bacterial outer membrane barrier to combat bad bugs
... the Omps can be assumed as the first step in the journey of an antibiotic along the defined pathway toward its target. Con- sequently, interpretation of antibiotic translocation through porins at the molecular level is ...
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Comparison of Lipopolysaccharide-Binding Functions of CD14 and MD-2
... Gram-negative bacterial infection often causes lethal endo- toxic ...the bacterial outer membrane and is the causative agent of shock (27, ...
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LPS Remodeling Triggers Formation of Outer Membrane Vesicles in Salmonella
... Transmission electron microscopy. For negative staining and analy- sis by transmission electron microscopy, bacterial suspensions were al- lowed to absorb onto freshly glow-discharged Formvar/carbon-coated copper ...
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Production of Chlamydia pneumoniae Proteins in Bacillus subtilis and Their Use in Characterizing Immune Responses in the Experimental Infection Model
... the outer membrane proteins of ...most membrane proteins pro- duced at high level in heterologous hosts, and they could be solubilized and purified only under strongly denaturing condi- ...the ...
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Structural Basis of Type 2 Secretion System Engagement between the Inner and Outer Bacterial Membranes
... inner membrane and a secretin complex in the outer ...the membrane-embedded region and through most of the domains in the ...inner membrane platform, with a metastable en- gagement that can be ...
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Mobilization of shell calcium by the chick chorioallantoic membrane in vitro
... egg by cutting through the exposed shell membranes and the attached CAM with scissors. The CAM was removed from one explant of each pair using fine-tipped forceps and then discarded. Each explant was rinsed with warm ...
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Comparison of outer membrane protein and biochemical profiles of Haemophilus aegyptius and Haemophilus influenzae biotype III
... influenzae biotype III had major outer membrane proteins between 27 and 41.5 kDa representing two additional protein profiles.... OUTER MEMBRANE PROTEINS OF HAEMOPHILUS SPP..[r] ...
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The functional interplay of Helicobacter pylori factors with gastric epithelial cells induces a multi-step process in pathogenesis
... Figure 2 Model of H. pylori factors interacting with host cells. (a) At the apical side of the polarized epithelium H. pylori establishes the first adherence. SabA, BabA, AlpA/B, OipA, HopZ, HorB, etc. are considered as ...
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Optical coherence tomography predicts visual outcome in macula-involving rhegmatogenous retinal detachment
... limiting membrane (ELM) was preserved, but the inner segment/outer segment (iS/OS) junction of the photoreceptors was ...of outer retinal corrugation, but presence of cystoid macular ...
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Synergy between Active Efflux and Outer Membrane Diffusion Defines Rules of Antibiotic Permeation into Gram Negative Bacteria
... The outer membrane (OM) of Gram-negative bacteria is an asymmetric bilayer composed of lipopolysaccharides (LPS) in the outer leaflet and glycerophospholipids (PL) in the inner leaflet ...inner ...
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Membrane Distribution of the Pseudomonas Quinolone Signal Modulates Outer Membrane Vesicle Production in Pseudomonas aeruginosa
... of membrane curvature should ...PQS-induced membrane curvature in surrogate membranes using a second small molecule known to preferentially insert into the opposite membrane leaflet ...
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