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Nat Rev Microbiol . 2012 Apr 2; Korotkov KV, Sandkvist M, Hol WG Many Gram-negative bacteria use the sophisticated type II secretion system (T2SS) to translocate a wide range of proteins from the periplasm across the outer membrane. Here is the original post: The Bacillus subtilis cannibalism toxin SDP collapses the proton motive force and induces autolysis.Mol Microbiol . 2012 Apr 2; Lamsa A, Liu WT, Dorrestein PC, Pogliano K Bacillus subtilis SDP is a peptide toxin that kills cells outside the biofilm to support continued growth. We show that purified SDP acts like endogenously produced SDP; it delays sporulation, and the SdpI immunity protein confers SDP resistance Continue reading here:
Analyst. 2012 Mar 22; MreB is a structural membrane-associated protein which is one of the key components of the bacterial cytoskeleton. Although it plays an important role in shape maintenance of rod-like bacteria, the understanding of its mechanism of action is still not fully understood. This study shows how segmented flow and microdroplet technology can be used as a new tool for biological in vitro investigation of this protein. In this paper, we demonstrate cell-free expression in a single emulsion system to express red fluorescence protein (RFP) and MreB linked RFP (MreB-RFP). We follow the aggregation and localisation of the fusion protein MreB-RFP in this artificial cell-like environment. The expression of MreB-RFP in single emulsion droplets leads to the formation of micrometer-scale protein patches distributed at the water/oil interface. View original post here: Curr Top Microbiol Immunol . 2012 Mar 20; Kubatzky KF Pasteurella multocida was first discovered by Perroncito in 1878 and named after Louis Pasteur who first isolated and described this Gram-negative bacterium as the cause of fowl disease in 1880. Subsequently, P. Continued here: Philos Trans R Soc Lond B Biol Sci . 2012 Apr 19; 367(1592): 1047-58 Long F, Su CC, Lei HT, Bolla JR, Do SV, Yu EW Gram-negative bacteria frequently expel toxic chemicals through tripartite efflux pumps that span both the inner and outer membranes. The three parts are the inner membrane, substrate-binding transporter (or pump); a periplasmic membrane fusion protein (MFP, or adaptor); and an outer membrane-anchored channel. Follow this link: Philos Trans R Soc Lond B Biol Sci . 2012 Apr 19; 367(1592): 1059-72 Douzi B, Filloux A, Voulhoux R Gram-negative bacteria have evolved several secretory pathways to release enzymes or toxins into the surrounding environment or into the target cells. The type II secretion system (T2SS) is conserved in Gram-negative bacteria and involves a set of 12 to 16 different proteins Follow this link: Philos Trans R Soc Lond B Biol Sci . 2012 Apr 19; 367(1592): 1059-72 Douzi B, Filloux A, Voulhoux R Gram-negative bacteria have evolved several secretory pathways to release enzymes or toxins into the surrounding environment or into the target cells. The type II secretion system (T2SS) is conserved in Gram-negative bacteria and involves a set of 12 to 16 different proteins View post: Philos Trans R Soc Lond B Biol Sci . 2012 Apr 19; 367(1592): 1088-101 Leo JC, Grin I, Linke D Autotransport in Gram-negative bacteria denotes the ability of surface-localized proteins to cross the outer membrane (OM) autonomously. Autotransporters perform this task with the help of a β-barrel transmembrane domain localized in the OM. Follow this link: Shock . 2012 Mar 5; Shah B, Sullivan CJ, Lonergan NE, Stanley S, Soult MC, Britt LD ABSTRACT: Gram negative bacteria remain the leading cause of sepsis, a disease which is consistently in the top ten causes of death internationally. Curing bacteremia alone does not necessarily end the disease process as other factors may cause inflammatory damage Read more from the original source: J Biol Chem . 2012 Feb 27; Durand E, Zoued A, Spinelli S, Watson PJ, Aschtgen MS, Journet L, Cambillau C, Cascales E The type VI secretion system (T6SS)4 is a macromolecular system distributed in Gram negative bacteria, responsible for the secretion of effector proteins into target cells. The T6SS has a broad versatility as it can target both eukaryotic and prokaryotic cells Continued here: J Biol Chem . 2012 Feb 27; Durand E, Zoued A, Spinelli S, Watson PJ, Aschtgen MS, Journet L, Cambillau C, Cascales E The type VI secretion system (T6SS)4 is a macromolecular system distributed in Gram negative bacteria, responsible for the secretion of effector proteins into target cells. The T6SS has a broad versatility as it can target both eukaryotic and prokaryotic cells. See the article here: J Biol Chem . 2012 Feb 27; Durand E, Zoued A, Spinelli S, Watson PJ, Aschtgen MS, Journet L, Cambillau C, Cascales E The type VI secretion system (T6SS)4 is a macromolecular system distributed in Gram negative bacteria, responsible for the secretion of effector proteins into target cells. Continue reading here: Microbiology . 2012 Feb 16; Hartmann N, Schulz S, Lorenz C, Fraas S, Hause G, Buettner D The Gram-negative plant pathogenic bacterium Xanthomonas campestris pv. vesicatoria employs a type III secretion (T3S) system to translocate effector proteins into plant cells See the rest here: PLoS Pathog . 2012 Feb; 8(2): e1002531 Gu S, Rehman S, Wang X, Shevchik VE, Pickersgill RW Gram-negative bacteria secrete virulence factors and assemble fibre structures on their cell surface using specialized secretion systems. |
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