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Peptidoglycan and muropeptides from pathogens Agrobacterium and Xanthomonas elicit plant innate immunity: structure and activity.
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Functional Analysis of the Protein Machinery Required for Transport of Lipopolysaccharide to the Outer Membrane of Escherichia coli
TLDR
It is shown that depletion of any of the proteins mentioned above leads to common phenotypes, including the presence of abnormal membrane structures in the periplasm, and the location of at least one of these five proteins in every cellular compartment suggests a model for how the LPS assembly pathway is organized and ordered in space.
View on ASMUSA
Cellulose modulates biofilm formation by counteracting curli-mediated colonization of solid surfaces in Escherichia coli.
TLDR
It is shown that CsgD overexpression can overcome temperature-dependent control of the curli-encoding csgBA operon, but not of the cellulose-related adrA gene, suggesting very tight temperature control of cellulose production in E. coli MG1655.
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Methicillin-resistant Staphylococcus aureus alters cell wall glycosylation to evade immunity
TLDR
This study reveals an immune evasion strategy of S. aureus based on averting the immunogenicity of its dominant glycoantigen WTA and may enable the development of TarP inhibitors as a new strategy for rendering MRSA susceptible to human host defences.
View on Springer
Lactobacillus crispatus L1: high cell density cultivation and exopolysaccharide structure characterization to highlight potentially beneficial effects against vaginal pathogens
TLDR
The evaluation of L. crispatus L1 as potential vaginal probiotic and the fermentation processes to obtain high concentrations of viable cells are described together with a process to obtain a high productivity of viable biomass.
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Muramylpeptide shedding modulates cell sensing of Shigella flexneri
TLDR
The findings support the idea that muramylpeptides released by pathogens during infection could modulate the immune response through Nod proteins and thereby influence the outcome of disease.
View on Wiley
Structure of N-linked oligosaccharides attached to chlorovirus PBCV-1 major capsid protein reveals unusual class of complex N-glycans
TLDR
The chlorovirus glycosylation pathway is ancient, possibly existing before the development of the endoplasmic reticulum and Golgi pathway, and involves still unexplored mechanisms.
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A Second Outer-Core Region in Klebsiella pneumoniae Lipopolysaccharide
TLDR
The replacement of Klebsiella core type 1 in a highly type 2 virulent strain (52145) induces lower virulence than core type 2 in a murine infection model.
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Giant DNA Virus Mimivirus Encodes Pathway for Biosynthesis of Unusual Sugar 4-Amino-4,6-dideoxy-d-glucose (Viosamine)*
TLDR
The data give further support to the hypothesis that Mimivirus encodes a glycosylation system that is completely independent of the amoebal host, and the sugar composition of viral fibers is determined.
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Cell surface polysaccharides of Bifidobacterium bifidum induce the generation of Foxp3+ regulatory T cells
TLDR
Bifidobacterium bifidum is defined as a potent inducer of Foxp3+ Treg cells with diverse T cell receptor specificity to dietary antigens, commensal bacteria, and B. bifodum itself, and CSGG is identified as a functional component of Treg-inducing bacteria, highlighting the immunomodulatory potential of CSGG and CS GG-producing microbes.
View on Wolters Kluwer
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