Results 11 to 20 of about 5,613 (225)

THE POTENTIAL GRAM-NEGATIVE ENDOPHYTIC BACTERIA FROM PEGAGAN (Centella asiatica) WITH QUORUM-QUENCHING ACTIVITY

open access: yesMajalah Kedokteran Andalas, 2020
Background: Quorum-sensing is communication between bacterial involved in virulence. Bacterial virulence can be inhibited by quorum-quenching mechanism. Endophytic bacteria of pegagan leaf may produce secondary metabolit similar to bioactive compounds in
Nur Al Huda   +4 more
doaj   +2 more sources

Bacterial biofilms: role of quorum sensing and quorum quenching

open access: yesJournal of Experimental Biology and Agricultural Sciences, 2022
Bacterial biofilms provide an adjustable strategy to manage themselves in the existing conditions. Biofilms of pathogenic bacteria act as a reservoir for various device and non-device related diseases which are tough to cure. Exposure to a high dose of antibiotics is not an appropriate solution to this problem as high antibiotic concentrations lead to ...
DHRITISHREE GHOSH   +3 more
openaire   +3 more sources

Evaluation of Enoyl-Acyl Carrier Protein Reductase Inhibitors as Pseudomonas aeruginosa Quorum-Quenching Reagents [PDF]

open access: yesMolecules, 2010
Pseudomonas aeruginosa is an opportunistic pathogen which is responsible for a wide range of infections. Production of virulence factors and biofilm formation by P.
Søren Molin   +3 more
doaj   +2 more sources

Reviewing Microbial Behaviors in Ecosystems Leading to a Natural Quorum Quenching Occurrence [PDF]

open access: yesBrazilian Archives of Biology and Technology, 2017
Quorum sensing is considered one of the most important discoveries in cell-to-cell communication. Although revealed in Bacteria, it has been identified as well as a mechanism present in the other two domains, Eukaryota and Archaea.
Laura Sierra Zapata   +3 more
doaj   +2 more sources

Rhodotorula Mucilaginosa, a Quorum Quenching Yeast Exhibiting Lactonase Activity Isolated from a Tropical Shoreline

open access: yesSensors, 2014
Two microbial isolates from a Malaysian shoreline were found to be capable of degrading N-acylhomoserine lactones. Both Matrix Assisted Laser Desorption Ionization-Time of Flight-Mass Spectrometry and 18S rDNA phylogenetic analyses confirmed that these ...
Norshazliza Ab Ghani   +5 more
doaj   +2 more sources

A Rhodococcal Transcriptional Regulatory Mechanism Detects the Common Lactone Ring of AHL Quorum-Sensing Signals and Triggers the Quorum-Quenching Response

open access: yesFrontiers in Microbiology, 2018
The biocontrol agent Rhodococcus erythropolis disrupts virulence of plant and human Gram-negative pathogens by catabolizing their N-acyl-homoserine lactones.
Corinne Barbey   +25 more
doaj   +2 more sources

Quorum Sensing and Quorum Quenching in the Mediterranean Seagrass Posidonia oceanica Microbiota [PDF]

open access: yesFrontiers in Marine Science, 2017
Posidonia oceanica (L.) Delile is an endemic Mediterranean seagrass angiosperm. The taxonomic diversity of the Posidonia-associated microbiota has previously been inventoried using culture-based and culture-independent approaches.
Elodie Blanchet   +10 more
doaj   +2 more sources

Bacterial quorum sensing quenching activity of Lysobacter leucyl aminopeptidase acts by interacting with autoinducer synthase

open access: yesComputational and Structural Biotechnology Journal, 2021
Acyl-homoserine lactone (AHL) is the most studied autoinducer in gram-negative bacteria controlling infections of various pathogens. Quenching of AHL signaling by inhibiting AHL synthesis or AHL-receptor binding via small molecular chemicals or ...
Jinxing Liao   +8 more
doaj   +1 more source

Resistance to Quorum-Quenching Compounds [PDF]

open access: yesApplied and Environmental Microbiology, 2013
ABSTRACT Bacteria have the remarkable ability to communicate as a group in what has become known as quorum sensing (QS), and this trait has been associated with important bacterial phenotypes, such as virulence and biofilm formation. Bacteria also have an incredible ability to evolve resistance to all known antimicrobials.
Rodolfo, García-Contreras   +2 more
openaire   +2 more sources

Quorum Sensing Interfering Strategies and Their Implications in the Management of Biofilm-Associated Bacterial Infections [PDF]

open access: yesBrazilian Archives of Biology and Technology, 2020
The bacterial species employ various types of molecular communication systems recognized as quorum sensing for the synchronization of differential gene expression to regulate virulence traits and biofilm formation. A variety of quorum sensing inhibitors;
Samman Munir   +8 more
doaj   +1 more source

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