Outer Membrane Vesicles Released From Aeromonas Strains Are Involved in the Biofilm Formation
Aeromonas spp. are Gram-negative rod-shaped bacteria ubiquitously distributed in diverse water sources. Several Aeromonas spp. are known as human and fish pathogens.
Soshi Seike +5 more
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Antimicrobial peptides (AMPs) are a unique and diverse group of molecules endowed with a broad spectrum of antibiotics properties that are being considered as new alternative therapeutic agents.
Angela Di Somma +13 more
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Protein-protein interactions and the spatiotemporal dynamics of bacterial outer membrane proteins.
It has until recently been unclear whether outer membrane proteins (OMPs) of Gram-negative bacteria are organized or distributed randomly. Studies now suggest promiscuous protein-protein interactions (PPIs) between β-barrel OMPs in Escherichia coli govern their local and global dynamics, engender spatiotemporal patterning of the outer membrane into ...
Kleanthous C, Rassam P, Baumann CG.
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Selective pressure for rapid membrane integration constrains the sequence of bacterial outer membrane proteins. [PDF]
SummaryAlmost all bacterial outer membrane proteins (OMPs) contain a β barrel domain that serves as a membrane anchor, but the assembly and quality control of these proteins are poorly understood. Here, we show that the introduction of a single lipid‐facing arginine residue near the middle of the β barrel of the Escherichia coli OMPs OmpLA and EspP ...
Peterson JH +3 more
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Subdominant antigens in bacterial vaccines: AM779 is subdominant in the Anaplasma marginale outer membrane vaccine but does not associate with protective immunity. [PDF]
Identification of specific antigens responsible for the ability of complex immunogens to induce protection is a major goal in development of bacterial vaccines.
Saleh M Albarrak +8 more
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Omp85, an evolutionarily conserved bacterial protein involved in outer-membrane-protein assembly
The insertion of proteins into membranes generally requires the assistance of membrane proteins. A protein, designated Omp85 in Neisseria meningitidis, was shown to be required for the assembly of bacterial outer-membrane proteins. The protein is essential for the viability of the bacteria and is ubiquitous among Gram-negative bacteria. Omp85 depletion
Romé Voulhoux, Jan Tommassen
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Pattern of amino acid substitutions in transmembrane domains of β-barrel membrane proteins for detecting remote homologs in bacteria and mitochondria. [PDF]
β-barrel membrane proteins play an important role in controlling the exchange and transport of ions and organic molecules across bacterial and mitochondrial outer membranes.
David Jimenez-Morales, Jie Liang
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HELICOBACTER PYLORI OIPA VIRULENCE GENE AS A MOLECULAR MARKER OF SEVERE GASTROPATHIES [PDF]
Background: Helicobacter pylori is an etiologic agent of gastroduodenal diseases. The microorganism, considered a type I carcinogen, affects about 50% of the global population. H.
Diogo Nery MACIEL +4 more
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Solute channels of the outer membrane: from bacteria to chloroplasts [PDF]
Chloroplasts, unique organelles of plants, originated from endosymbiosis of an ancestor of today's cyanobacteria with a mitochondria-containing host cell. It is assumed that the outer envelope membrane, which delimits the chloroplast from the surrounding
Aljamal J.A. +8 more
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Super-Resolution Imaging of Protein Secretion Systems and the Cell Surface of Gram-Negative Bacteria
Gram-negative bacteria have a highly evolved cell wall with two membranes composed of complex arrays of integral and peripheral proteins, as well as phospholipids and glycolipids.
Sachith D. Gunasinghe +4 more
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