Results 41 to 50 of about 17,659,768 (189)

Effects of the synbiotic composed of mangiferin and Lactobacillus reuteri 1–12 on type 2 diabetes mellitus rats

open access: yesFrontiers in Microbiology, 2023
Many synbiotics are effective for the prevention and treatment of type 2 diabetes mellitus (T2DM). In the treatment of T2DM, synbiotics often regulate the composition of intestinal flora, which autoinducer-2 (AI-2) may play an important role. Whether the
Fanying Meng   +9 more
doaj   +1 more source

Autoinducer-2-mediated communication network within human gut microbiota. [PDF]

open access: yesISME J
Abstract Quorum sensing (QS) is a chemical communication process that connects microbial members in various microbial systems. Bacterial communication networks mediated by QS play important roles in the regulation of intestinal microecological balance as well as nutrition and metabolism of the host.
Fan Q   +5 more
europepmc   +3 more sources

Examination of AI-2 quorum sensing System in Prevotella bryantii and Prevotella ruminicola-like strains by using bioluminiscence assay

open access: yesActa Agriculturae Slovenica, 2007
Rumen is an example of a complex microbial ecosystem where extensive intraspecies as well as interspecies cell-cell cross-communication is expected, but little is known about. Four ruminal Prevotella strains, Prevotella bryantii B14, TC1-1 and TF1-3, and 
Gregor GORENC   +2 more
doaj   +1 more source

N-Acyl Homoserine Lactone Production by Klebsiella pneumoniae Isolated from Human Tongue Surface

open access: yesSensors, 2012
Bacteria communicate by producing quorum sensing molecules called autoinducers, which include autoinducer-1, an N-hexanoyl homoserine lactone (AHL), and autoinducer-2.
Kok-Gan Chan   +6 more
doaj   +1 more source

The intragenus and interspecies quorum-sensing autoinducers exert distinct control over Vibrio cholerae biofilm formation and dispersal.

open access: yesPLoS Biology, 2019
Vibrio cholerae possesses multiple quorum-sensing (QS) systems that control virulence and biofilm formation among other traits. At low cell densities, when QS autoinducers are absent, V. cholerae forms biofilms.
Andrew A Bridges, Bonnie L Bassler
doaj   +1 more source

Direct Quantitation of the Quorum Sensing Signal, Autoinducer-2, in Clinically Relevant Samples by Liquid Chromatography−Tandem Mass Spectrometry [PDF]

open access: yes, 2016
Quorum Sensing is a type of bacterial cell-to-cell signaling that allows for cell density dependent regulation of gene expression. Many of the behaviors mediated by quorum sensing are critical for bacterial colonization or infection, and autoinducer-2 ...
Amanda L. May (415085)   +2 more
core   +1 more source

Agent-Based Modeling Demonstrates How Local Chemotactic Behavior Can Shape Biofilm Architecture

open access: yesmSphere, 2019
Bacteria are often found living in aggregated multicellular communities known as biofilms. Biofilms are three-dimensional structures that confer distinct physical and biological properties to the collective of cells living within them.
Emily G. Sweeney   +6 more
doaj   +1 more source

Biosynthesis of autoinducer-2 as the possible mechanism to enhance decolourisation of Azo dye by citrobacter freundii A1 [PDF]

open access: yes, 2012
In this study, we attempted to understand possible mechanism associated with bacterial azo dye decolourisation via mass spectral analysis and shotgun cloning of genomic DNA from C. freundii A1.
Giek, Far Chan   +4 more
core   +1 more source

The luxS mutation causes loosely-bound biofilms in Shewanella oneidensis

open access: yesBMC Research Notes, 2011
Background The luxS gene in Shewanella oneidensis was shown to encode an autoinducer-2 (AI-2)-like molecule, the postulated universal bacterial signal, but the impaired biofilm growth of a luxS deficient mutant could not be restored by AI-2, indicating ...
Wagner-Döbler Irene   +3 more
doaj   +1 more source

Quorum sensing in Porphyromonas gingivalis and oral microbial interactions: a scoping review

open access: yesFrontiers in Oral Health
ObjectivePorphyromonas gingivalis, a major periodontal pathogen, interacts with other oral microbes through quorum sensing, enhancing its growth and virulence, which contributes to periodontitis.
Zelda Ziyi Zhao   +5 more
doaj   +1 more source

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