Results 141 to 150 of about 6,940 (174)
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New temperature-switchable acyl homoserine lactone-regulated expression vector
Applied Microbiology and Biotechnology, 2022Bacterial expression systems play an indispensable role in the biosynthesis of recombinant proteins. Different proteins and the tasks associated with them may require different systems. The purpose of this work is to make an expression vector that allows switching on and off the expression of the target gene during cell incubation.
Sergey V, Bazhenov +5 more
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Bacillus megaterium CYP102A1 Oxidation of Acyl Homoserine Lactones and Acyl Homoserines
Biochemistry, 2007Quorum sensing, the ability of bacteria to sense their own population density through the synthesis and detection of small molecule signals, has received a great deal of attention in recent years. Acyl homoserine lactones (AHLs) are a major class of quorum sensing signaling molecules. In nature, some bacteria that do not synthesize AHLs themselves have
Puneet K, Chowdhary +5 more
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Thiourea-catalyzed aminolysis of N-acyl homoserine lactones
Chemical Communications, 2013Thiourea catalysts accelerate aminolysis of N-acyl homoserine lactones (AHLs), molecules integral to bacterial quorum sensing. The catalysts afford rate enhancement of up to 10 times the control in CD(3)CN. Mild catalysis in other polar aprotic solvents is still observed, while the activity is attenuated in polar protic solvents.
Michael A, Bertucci +2 more
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N-Acyl Homoserine Lactone Mediating Initial Adhesion of Microalgal Biofilm Formation
SSRN Electronic Journal, 2023While pioneering methods have demonstrated that bacterial N-acyl homoserine lactone (AHL) signaling molecules can influence the growth and self-aggregation of suspended microalgae, whether AHLs can affect the initial adhesion to a carrier has remained an open question.
Zixuan Ou +9 more
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Imaging N-Acyl Homoserine Lactone Quorum Sensing In Vivo
2010In order to study N-acyl homoserine lactone (AHL)-based quorum sensing in vivo, we present a protocol using an Escherichia coli strain equipped with a luxR-based monitor system, which in the presence of exogenous AHL molecules expresses a green fluorescent protein (GFP).
Hultqvist, Louise Dahl +4 more
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Acyl-Homoserine Lactone Quorum Sensing: From Evolution to Application
Annual Review of Microbiology, 2013Quorum sensing (QS) is a widespread process in bacteria that employs autoinducing chemical signals to coordinate diverse, often cooperative activities such as bioluminescence, biofilm formation, and exoenzyme secretion. Signaling via acyl-homoserine lactones is the paradigm for QS in Proteobacteria and is particularly well understood in the ...
Martin, Schuster +3 more
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Molecular mechanisms of N‐acyl homoserine lactone signals perception by plants
Cell Biology International, 2021AbstractN‐acyl homoserine lactones (AHLs) belong to the class of bacterial quorum sensing signal molecules involved in distance signal transduction between Gram‐negative bacteria colonizers of the rhizosphere, as well as bacteria and plants. AHLs synchronize the activity of genes from individual cells, allowing the bacterial population to act as a ...
Lidia M. Babenko +2 more
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Solution structural features of N -acyl homoserine lactones
Tetrahedron Letters, 2015Here we demonstrate that in interbacterial quorum signal moderators, N-acylhomoserine lactones (AHLs), the stabilization of bioactive pharmacophore lactone against lysis is through the e(-) withdrawing N-acyl motif which reduces lactone carbonyl polarization. This lysis is assisted by weak (
Tumminakatti, Shama +4 more
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Acyl-Homoserine Lactone Biosynthesis: Structure and Mechanism
2014The first quorum-sensing system to be discovered was the Lux system of Vibrio fischeri, which regulates light production in the light organ of deep sea fish and squid via an acyl-homoserine lactone (AHL) signaling molecule. The LuxI-type AHL synthases catalyze the formation of the AHL from the substrates S-adenosyl-L-methionine (SAM) and acyl-acyl ...
Mair E. A. Churchill, Jake P. Herman
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Self perception in bacteria: quorum sensing with acylated homoserine lactones
Current Opinion in Microbiology, 1998A variety of Gram-negative bacteria produce membrane permeant, acylated homoserine lactone (HL) pheromones that act as cell density cues. Synthesis and response to these factors requires proteins homologous to the Luxl acylhomoserine lactone synthase and the LuxR transcription factor from Vibrio fischeri.
C, Fuqua, E P, Greenberg
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