Results 21 to 30 of about 8,137 (202)
Pesquisa Agropecuária Brasileira, 2010 O objetivo deste trabalho foi caracterizar e agrupar rizobactérias, isoladas de hortaliças, quanto à morfologia cultural, riqueza e diversidade e avaliar a biossíntese de autoindutores N-acil lactonas homoserinas (ALH) e a capacidade de formação de ...
Rachel Pinton +6 more
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Quantifying the integration of quorum-sensing signals with single-cell resolution.
PLoS Biology, 2009 Cell-to-cell communication in bacteria is a process known as quorum sensing that relies on the production, detection, and response to the extracellular accumulation of signaling molecules called autoinducers.
Tao Long +6 more
doaj +1 more source
Spatial Heterogeneity of Autoinducer Regulation Systems [PDF]
Sensors, 2012 Autoinducer signals enable coordinated behaviour of bacterial populations, a phenomenon originally described as quorum sensing. Autoinducer systems are often controlled by environmental substances as nutrients or secondary metabolites (signals) from neighbouring organisms.
Anton Hartmann +3 more
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Antibacterial and anti-quorum sensing activities of selected italian honeys against antibiotic-resistant pathogens [PDF]
, 2015 Three nectar honeys (eucalyptus, thyme and forest) and two honeydew honeys (fir and Metcalfa) from Italy were tested for their antibacterial activity against pathogens commonly associated with wound and burn infections, including methicillin-resistant ...
Fidaleo, Marco +2 more
core +1 more source
Environmental microbial communications in gram-positive and gram-negative bacteria [PDF]
Global Journal of Environmental Science and Management, 2023 Microorganisms are present in nature and shape an enormous a half of our micro- and macro-environment. Quorum sensing is the process of intercellular conversation that enables microbes to perceive their surroundings and change their behaviour, allowing ...
P. Srikanth, D. Sivakumar, J. Nouri
doaj +1 more source
The Janthinobacterium sp. HH01 genome encodes a homologue of the V. cholerae CqsA and L. pneumophila LqsA autoinducer synthases [PDF]
, 2013 Janthinobacteria commonly form biofilms on eukaryotic hosts and are known to synthesize antibacterial and antifungal compounds. Janthinobacterium sp. HH01 was recently isolated from an aquatic environment and its genome sequence was established.
Blokesch, Melanie +20 more
core +4 more sources
Molecular basis of quorum sensing signal-response systems in bacteria
Acta Biologica, 2017 Bacteria use quorum sensing (QS) to conduct gene expression programmes connected with collective behaviors. QS indicates on the capacity of bacteria to monitor their population density and regulate gene expression. QS activates from tens to hundreds of
Alicja Ziemichód, Bogumiła Skotarczak
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Sinorhizobium Meliloti, A Bacterium Lacking The Autoinducer-2 (AI-2) Synthase, Responds To AI-2 Supplied By Other Bacteria [PDF]
, 2008 Many bacterial species respond to the quorum-sensing signal autoinducer-2 (AI-2) by regulating different niche-specific genes. Here, we show that Sinorhizobium meliloti, a plant symbiont lacking the gene for the AI-2 synthase, while not capable of ...
McAuley, J. R. +4 more
core +2 more sources
Optimal census by quorum sensing. [PDF]
PLoS Computational Biology, 2015 Quorum sensing is the regulation of gene expression in response to changes in cell density. To measure their cell density, bacterial populations produce and detect diffusible molecules called autoinducers.
Thibaud Taillefumier, Ned S Wingreen
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The Lantibiotic Mersacidin Is an Autoinducing Peptide [PDF]
Applied and Environmental Microbiology, 2006 ABSTRACT The lantibiotic (lanthionine-containing antibiotic) mersacidin is an antimicrobial peptide consisting of 20 amino acids and is produced by Bacillus sp. strain HIL Y-85,54728. The structural gene ( mrsA ) and the genes for producer self-protection, modification enzymes ...
Stephanie, Schmitz +4 more
openaire +2 more sources