Results 11 to 20 of about 5,057 (176)
Acylated homoserine lactones in the environment: chameleons of bioactivity [PDF]
Philosophical Transactions of the Royal Society B: Biological Sciences, 2007 Over the last 15 years, it has become increasingly apparent that a single class of compounds, the acylated homoserine lactones (AHLs), elicit effects on many levels of biological and ecological organization. Despite the fact that the distribution of AHL production in the prokaryotic phylogenetic tree is restricted to a small set of genera ...
Manefield, Mike, Whiteley, Andrew S.
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Human Paraoxonase-2 (PON2): Protein Functions and Modulation
Antioxidants, 2021 PON1, PON2, and PON3 belong to a family of lactone hydrolyzing enzymes endowed with various substrate specificities. Among PONs, PON2 shows the highest hydrolytic activity toward many acyl-homoserine lactones (acyl-HL) involved in bacterial quorum ...
Giuseppe Manco +2 more
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Detection of acyl-homoserine lactones by Escherichia and Salmonella [PDF]
Current Opinion in Microbiology, 2011 Escherichia and Salmonella do not synthesize quorum-sensing signaling molecules of the N-acyl-l-homoserine lactone (AHL) type but they can detect AHLs produced by other species of bacteria. AHLs are present in the bovine rumen but not in the remainder of the gastrointestinal tract. Enterohemorrhagic E.
Jitesh A, Soares, Brian M M, Ahmer
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Anais da Academia Brasileira de Ciências, 2021 Plant growth-promoting bacteria (PGPB) have received great interest in recent decades. However, PGPB mechanisms remain poorly understood in forage species. We aimed to evaluate roots endophytic and rhizospheric bacteria strains from Brachiaria humidicola
JOÃO T.C. OLIVEIRA +7 more
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Acyl-Homoserine Lactone Quorum Sensing in the Roseobacter Clade [PDF]
International Journal of Molecular Sciences, 2014 Members of the Roseobacter clade are ecologically important and numerically abundant in coastal environments and can associate with marine invertebrates and nutrient-rich marine snow or organic particles, on which quorum sensing (QS) may play an important role.
Zan, Jindong +3 more
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Are there acyl-homoserine lactones within mammalian intestines? [PDF]
J Bacteriol, 2013 ABSTRACTManyProteobacteriaare capable of quorum sensing usingN-acyl-homoserine lactone (acyl-HSL) signaling molecules that are synthesized by LuxI or LuxM homologs and detected by transcription factors of the LuxR family. Most quorum-sensing species have at least one LuxR and one LuxI homolog.
Swearingen MC, Sabag-Daigle A, Ahmer BM.
europepmc +4 more sources
A Comparative Analysis of Acyl‐Homoserine Lactone Synthase Assays [PDF]
ChemBioChem, 2015 AbstractQuorum sensing is cell‐to‐cell communication that allows bacteria to coordinate attacks on their hosts by inducing virulent gene expression, biofilm production, and other cellular functions, including antibiotic resistance. AHL synthase enzymes synthesize N‐acyl‐l‐homoserine lactones, commonly referred to as autoinducers, to facilitate quorum ...
Daniel, Shin +4 more
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Acyl Homoserine Lactones Induce Early Response in the Airway [PDF]
The Anatomical Record, 2009 AbstractAcyl homoserine lactones (AHLs) are intercellular signaling molecules used in quorum sensing by Gram‐negative bacteria. We studied the early effects on the rat airway of in vivo intratracheal administration of AHLs (i.e., P. aeruginosa and B. cepacia) to test the hypothesis that AHLs also act on the airway cells, modifying secretory mechanisms ...
SBARBATI, Andrea +8 more
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Structural Basis of Acyl-homoserine Lactone-Dependent Signaling [PDF]
Chemical Reviews, 2010 Acyl-homoserine lactones are small neutral lipid molecules that bacteria in the Proteobacteria group use to sense and signal their cell density. This signaling process, known as quorum sensing, activates differentiation to diverse community oriented lifestyles within the bacterial population.
Mair E A, Churchill, Lingling, Chen
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Frontiers in Cellular and Infection Microbiology, 2018 Quorum sensing systems regulate gene expression in response to bacterial population density. Acyl-homoserine lactones are a class of quorum sensing molecules found in cattle rumen that are thought to regulate the gene expression of enterohemorrhagic ...
Yang Yang +8 more
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