Results 21 to 30 of about 273,841 (296)

Not All Bacterial Outer-Membrane Proteins Are β-Barrels. [PDF]

open access: yesMicroPubl Biol
The discovery of Wza, an octomeric helical barrel integral bacterial outer-transmembrane protein, has challenged the widely held understanding that all integral outer-membrane proteins of Gram-negative bacteria are closed β-barrels composed of transmembrane β- strands.
Heido J   +4 more
europepmc   +3 more sources

Outer Membrane Vesicles Released From Aeromonas Strains Are Involved in the Biofilm Formation

open access: yesFrontiers in Microbiology, 2021
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
doaj   +1 more source

The antimicrobial peptide Magainin-2 interacts with BamA impairing folding of E. coli membrane proteins

open access: yesFrontiers in Chemistry, 2022
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
doaj   +1 more source

Protein-protein interactions and the spatiotemporal dynamics of bacterial outer membrane proteins.

open access: yesCurr Opin Struct Biol, 2015
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.
europepmc   +3 more sources

Subdominant antigens in bacterial vaccines: AM779 is subdominant in the Anaplasma marginale outer membrane vaccine but does not associate with protective immunity. [PDF]

open access: yesPLoS ONE, 2012
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
doaj   +1 more source

Mechanisms of Protein Export across the Bacterial Outer Membrane [PDF]

open access: yesJournal of Bacteriology, 2005
Gram-negative bacteria secrete a wide range of proteins whose functions include biogenesis of organelles, such as pili and flagella; nutrient acquisition; virulence; and efflux of drugs and other toxins. Export of these proteins to the bacterial surface involves transport across the inner membrane (IM), periplasm, and outer membrane (OM) of the cell ...
Maria, Kostakioti   +3 more
openaire   +2 more sources

HELICOBACTER PYLORI OIPA VIRULENCE GENE AS A MOLECULAR MARKER OF SEVERE GASTROPATHIES [PDF]

open access: yesArquivos de Gastroenterologia
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
doaj   +1 more source

Solute channels of the outer membrane: from bacteria to chloroplasts [PDF]

open access: yes, 2007
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
core   +1 more source

Pattern of amino acid substitutions in transmembrane domains of β-barrel membrane proteins for detecting remote homologs in bacteria and mitochondria. [PDF]

open access: yesPLoS ONE, 2011
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
doaj   +1 more source

Exploring the biochemistry at the extracellular redox frontier of bacterial mineral Fe(III) respiration [PDF]

open access: yes, 2012
Many species of the bacterial Shewanella genus are notable for their ability to respire in anoxic environments utilizing insoluble minerals of Fe(III) and Mn(IV) as extracellular electron acceptors.
Andrew J. Gates   +27 more
core   +3 more sources

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