Results 31 to 40 of about 3,713 (189)

Directed evolution of Vibrio fischeri LuxR for improved response to butanoyl-homoserine lactone [PDF]

open access: yes, 2007
LuxR is the 3-oxohexanoyl-homoserine lactone (3OC6HSL) dependent transcriptional activator of the prototypical acyl-homoserine lactone (AHL) quorum sensing system of Vibrio fischeri.
Arnold, Frances H.   +4 more
core   +3 more sources

Detection of N-acylhomoserine lactones in lung tissues of mice infected with Pseudomonas aeruginosa [PDF]

open access: yesMicrobiology, 2000
The pathogenesis of Pseudomonas aeruginosa is associated with expression of virulence factors, many of which are controlled by two N:-acylhomoserine lactone (AHL)-based quorum-sensing systems. Escherichia coli strains equipped with a luxR-based monitor system expressing green fluorescent protein (GFP) in the presence of exogenous AHL molecules were ...
Wu, H   +10 more
openaire   +3 more sources

Have You Heard of Bonnie Bassler? A Historical Perspective on a Remarkable Career

open access: yesIsrael Journal of Chemistry, Volume 63, Issue 5-6, June 2023., 2023
Abstract The area of chemical communication in bacteria has grown explosively since the end of the 20th century. Among a number of key individuals and seminal findings that broke open this area of microbiology, the contributions of Bonnie Bassler and her colleagues are immense and multi‐layered.
Clay Fuqua
wiley   +1 more source

Quorum Quenching Bacillus sonorensis Isolated from Soya Sauce Fermentation Brine

open access: yesSensors, 2012
An N-acylhomoserine lactone (AHL)-degrading bacterial strain, L62, was isolated from a sample of fermentation brine of Chinese soya sauce by using rich medium agar supplemented with soya sauce (10% v/v).
Kok-Gan Chan   +4 more
doaj   +1 more source

Implications of Rewiring Bacterial Quorum Sensing [PDF]

open access: yes, 2008
Bacteria employ quorum sensing, a form of cell-cell communication, to sense changes in population density and regulate gene expression accordingly.
Arnold, Frances H., Haseltine, Eric L.
core   +4 more sources

Aii810, a Novel Cold-Adapted N-Acylhomoserine Lactonase Discovered in a Metagenome, Can Strongly Attenuate Pseudomonas aeruginosa Virulence Factors and Biofilm Formation

open access: yesFrontiers in Microbiology, 2017
The pathogen Pseudomonas aeruginosa uses quorum sensing (QS) to control virulence and biofilm formation. Enzymatic disruption of quorum sensing is a promising anti-infection therapeutic strategy that does not rely on antibiotics.
Xinjiong Fan   +5 more
doaj   +1 more source

Quorum Sensing: suatu Sistem Komunikasi Bakteri Fitopatogen, Peranannya pada Proses Infeksi, dan Peluangnya sebagai Basis Pengembangan Strategi Baru dalam Pengendalian Penyakit Tumbuhan [PDF]

open access: yes, 2009
Previously, it is thought that bacterium is an autonomous unicellular organism with no capacity for collective behavior. Now the paradigm has changed since there are communication between intercell bacteria.
Hadiwiyono, H. (Hadiwiyono)
core   +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   +1 more source

Gac two-component system in Pseudomonas syringae pv. tabaci is required for virulence but not for hypersensitive reaction [PDF]

open access: yes, 2008
Pseudomonas syringae pv. tabaci 6605 causes wildfire disease on host tobacco plants. To investigate the regulatory mechanism of the expression of virulence, Gac two-Component system-defective mutants, Delta gacA and Delta gacS, and a double mutant, Delta
A Bultreys   +38 more
core   +1 more source

N-Acylhomoserine-lactone-mediated communication between Pseudomonas aeruginosa and Burkholderia cepacia in mixed biofilms [PDF]

open access: yesMicrobiology, 2001
Pseudomonas aeruginosa and Burkholderia cepacia are capable of forming mixed biofilms in the lungs of cystic fibrosis patients. Both bacteria employ quorum-sensing systems, which rely on N-acylhomoserine lactone (AHL) signal molecules, to co-ordinate expression of virulence factors with the formation of biofilms. As both bacteria utilize the same class
Riedel, K.   +9 more
openaire   +2 more sources

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