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Bacterial Outer Membrane Vesicles: From Discovery to Applications
Annual Review of Microbiology, 2021 Secretion of cellular components across the plasma membrane is an essential process that enables organisms to interact with their environments. Production of extracellular vesicles in bacteria is a well-documented but poorly understood process. Outer membrane vesicles (OMVs) are produced in gram-negative bacteria by blebbing of the outer membrane.
Mariana G, Sartorio +3 more
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Protein oligomerization in the bacterial outer membrane (Review) [PDF]
Molecular Membrane Biology, 2009 The formation of homo-oligomeric assemblies is a well-established characteristic of many soluble proteins and enzymes. Oligomerization has been shown to increase protein stability, allow allosteric cooperativity, shape reaction compartments and provide multivalent interaction sites in soluble proteins. In comparison, our understanding of the prevalence
Guoyu, Meng +4 more
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Physical properties of the bacterial outer membrane
Nature Reviews Microbiology, 2021It has long been appreciated that the Gram-negative outer membrane acts as a permeability barrier, but recent studies have uncovered a more expansive and versatile role for the outer membrane in cellular physiology and viability. Owing to recent developments in microfluidics and microscopy, the structural, rheological and mechanical properties of the ...
Jiawei Sun +3 more
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Assembly of Bacterial Outer Membrane Proteins
2012Various methods that are routinely used to study the subcellular localization of membrane proteins in wild-type Gram-negative bacteria fall short in genetic studies addressing the biogenesis of outer membrane proteins (OMPs). Here, we describe three biochemical methods that can be used in such studies to evaluate the proper assembly of OMPs into the ...
Grijpstra, J. +2 more
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Advances in understanding bacterial outer-membrane biogenesis
Nature Reviews Microbiology, 2006The outer membrane of gram-negative bacteria such as Escherichia coli serves as a protective barrier that controls the influx and efflux of solutes. This allows the bacteria to inhabit several different, and often hostile, environments. The assembly of the E.
Natividad, Ruiz +2 more
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Immune modulation by bacterial outer membrane vesicles
Nature Reviews Immunology, 2015Gram-negative bacteria shed extracellular outer membrane vesicles (OMVs) during their normal growth both in vitro and in vivo. OMVs are spherical, bilayered membrane nanostructures that contain many components found within the parent bacterium. Until recently, OMVs were dismissed as a by-product of bacterial growth; however, findings within the past ...
Maria, Kaparakis-Liaskos +1 more
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Transport across the bacterial outer membrane
Journal of Bioenergetics and Biomembranes, 1993Diffusion of small molecules across the outer membrane of gram-negative bacteria may occur through protein channels and through lipid bilayer domains. Among protein channels, many examples of trimeric porins, which produce water-filled diffusion channels, are known.
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Secretion across the bacterial outer membrane
Trends in Genetics, 1992Many bacteria secrete extracellular proteins such as hydrolytic enzymes or toxins. In Gram-negative bacteria, secreted proteins must cross the two membranes that constitute the cell envelope. Recent studies have identified several specific secretion systems that can be classified in three distinct pathways, and related systems have been discovered in a
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