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Cell to cell communication by autoinducing peptides in gram-positive bacteria
TLDR
An overview of the characteristics of autoinducing peptide-based quorum sensing systems, their application in various gram-positive bacteria, and the discovery of new systems in natural and engineered ecosystems is provided. Expand
An agr-Like Two-Component Regulatory System in Lactobacillus plantarum Is Involved in Production of a Novel Cyclic Peptide and Regulation of Adherence
TLDR
The microarray analysis confirmed that lamBDCA is autoregulatory and showed that lamA is involved in regulation of expression of genes encoding surface polysaccharides, cell membrane proteins, and sugar utilization proteins. Expand
Making sense of quorum sensing in lactobacilli: a special focus on Lactobacillus plantarum WCFS1.
TLDR
The predicted presence of multiple (peptide-based) QS-TCSs in some lactobacilli and in particular in L. plantarum might be a reflection of the ability of these species to persist in a diverse range of ecological niches. Expand
Two Homologous Agr-Like Quorum-Sensing Systems Cooperatively Control Adherence, Cell Morphology, and Cell Viability Properties in Lactobacillus plantarum WCFS1
TLDR
Microarray analysis suggested that the same cell wall polysaccharide synthesis genes, stress response-related genes, and cell wall protein-encoding genes were affected in the DeltalamA and DeltalusR mutants, indicating the cooperative effect of LamA and LamR. Expand
Effect of Lactobacillus salivarius Bacteriocin Abp118 on the Mouse and Pig Intestinal Microbiota
TLDR
Surprisingly, in both models, L. salivarius UCC118 administration and production of Abp118 had an effect on Gram-negative microorganisms, even though Abp 118 is normally not active in vitro against this group of microorganisms. Expand
Transcriptional Organization and Dynamic Expression of thehbpCAD Genes, Which Encode the First Three Enzymes for 2-Hydroxybiphenyl Degradation in Pseudomonas azelaica HBP1
TLDR
It is demonstrated that the specific transcriptional organization of the hbp genes ensured smooth pathway expression in P. azelaica cells with 2-HBP and in Escherichia coli mutant strains lacking the structural genes for the RNA polymerase sigma(54) subunit or for the integration host factor. Expand
TLR9 Activation Dampens the Early Inflammatory Response to Paracoccidioides brasiliensis, Impacting Host Survival
TLDR
It is suggested that TLR9 activation plays an early protective role against P. brasiliensis, by avoiding a deregulated type of inflammatory response associated to neutrophils that may lead to tissue damage. Expand
Fibrinogen‐binding and platelet‐aggregation activities of a Lactobacillus salivarius septicaemia isolate are mediated by a novel fibrinogen‐binding protein
TLDR
Examination of strains from species frequently used as probiotics for their ability to bind human fibrinogen found only one strain (CCUG 47825), a Lactobacillus salivarius isolate from a case of septicaemia, was found to strongly adhere to fibrInogen. Expand
Unusual location of two nearby pairs of upstream activating sequences for HbpR, the main regulatory protein for the 2-hydroxybiphenyl degradation pathway of "Pseudomonas azelaica" HBP1.
TLDR
Transcriptional fusions in Escherichia coli between different deletions of the hBPR-hbpC intergenic region and the genes for bacterial luciferase revealed that most if not all of the transcriptional output from the hbpC promoter is mediated from the proximal UASs C-1/C-2. Expand
Transcriptome analysis reveals the genetic foundation for the dynamics of starch and lipid production in Ettlia oleoabundans
Abstract The oleaginous microalga Ettlia oleoabundans accumulates both starch and lipids to high levels under stress conditions such as nitrogen starvation (N−). To steer biosynthesis towards starchExpand
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