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Biological ability to detect and respond to cell population density
In biology, quorum sensing or quorum signaling (QS) is the process of cell-to-cell communication that allows bacteria to detect and respond to cell population
Quorum_sensing
Interspecies quorum sensing is a type of quorum sensing in which bacteria send and receive signals to other species besides their own. This is accomplished
Interspecies_quorum_sensing
Species of bacterium
pigments produced by P. aeruginosa. These pigments are involved in quorum sensing, virulence, and iron acquisition. P. aeruginosa produces several pigments
Pseudomonas_aeruginosa
Theory connecting gene loss in microbial communities to natural selection
led to the suggestion of the existence of a pangenome or holobionts. Quorum sensing is a regulatory process that plays a role in the management of partially
Black_Queen_hypothesis
Bacteria that produce light through chemiluminescence
benefit each other equally. Bacteria also use luminescence reaction for quorum sensing, an ability to regulate gene expression in response to bacterial cell
Bioluminescent_bacteria
Species of bacterium
examination of bacterial-animal symbiosis, microbial bioluminescence, and quorum sensing. It is named after Bernhard Fischer, a German microbiologist. Aliivibrio
Aliivibrio_fischeri
initiation of quorum sensing, and exist in many bacterial genera. Bacterial transformation of DNA is driven by CSP-coupled quorum sensing. Competence stimulating
Competence stimulating peptide
Competence_stimulating_peptide
interfere with bacterial quorum sensing and thus have the potential to reduce virulence of certain bacterial pathogens. Quorum sensing inhibition is used as
Phytogenics
Species of bacterium
06.011. PMID 21784546. Uhlig F, Hyland NP (May 2022). "Making Sense of Quorum Sensing at the Intestinal Mucosal Interface". Cells. 11 (11): 1734. doi:10
Lactobacillus_acidophilus
Species of bacterium
as those with cystic fibrosis or chronic granulomatous disease. The quorum sensing systems CepIR and CciIR regulate the formation of biofilms and the expression
Burkholderia_cenocepacia
Species of bacterium
attacks Phaseolus (bean) plants P. s. pv. s. has an unusual quorum sensing dynamic: It shares quorum with an entirely different order, the Enterobacterales
Pseudomonas_savastanoi
American molecular biologist (born 1962)
insights into the mechanism by which bacteria communicate, known as quorum sensing. She has contributed to the idea that disruption of chemical signaling
Bonnie_Bassler
Class of chemical compounds
or N-AHLs) are a class of signaling molecules involved in bacterial quorum sensing, a means of communication between bacteria enabling behaviors based
N-Acyl_homoserine_lactone
Domain of organisms
communication through quorum sensing. Archaea are known to form biofilms, a common strategy among microorganisms. Quorum sensing is thought to play a role
Archaea
Film of microorganisms on a surface
During surface colonization bacteria cells are able to communicate using quorum sensing (QS) products such as N-acyl homoserine lactone (AHL). Once colonization
Biofilm
Species of pathogenic bacterium found in water
vulnificus adhere to host cells and with motility. V. vulnificus uses a quorum-sensing (QS) system in communication and virulence gene regulation. The QS system
Vibrio_vulnificus
Domain of microorganisms
intercellular communication by a molecular signal is called quorum sensing. Quorum sensing determines whether the local population is dense enough to support
Bacteria
For killing and preventing the growth of algae
attachment and biofilm formation, and quorum sensing. Chemotaxis is the ability to direct movement through sensing a gradient of chemoattractants or chemorepellents
Algaecide
Biological molecule
Qrr (Quorum regulatory RNA) is a small non-coding RNA that is thought to be involved in the regulation of quorum sensing in Vibrio species. The use of
Qrr_RNA
Bacterial molecular machine
P. fluorescens and P. syringae. There are various examples in which quorum sensing regulates T6SS. In Vibrio cholerae T6SS studies, it has been observed
Type_VI_secretion_system
Behavioral pattern of microorganisms
partake in more advanced cooperative interactions is through quorum sensing. Quorum sensing describes the phenomenon in which the accumulation of signaling
Microbial_cooperation
Swarm behaviour in bacteria
usually under the control of an intercellular communication system called quorum sensing. Biosurfactant molecules are thought to act by lowering surface tension
Swarming_motility
Transmission of information
fungal species. One form of communication between bacteria is called quorum sensing. It happens by releasing hormone-like molecules, which other bacteria
Communication
Class of enzymes
This type of gene regulation is known as quorum sensing. Other names for these types of enzymes are Quorum-quenching N-acyl-homoserine lactonase, acyl
Lactonase
Signaling molecule in the bacterium Vibrio cholerae
(S)-3-hydroxytridecan and is involved in the regulation of biofilm formation and quorum sensing. It also regulates expression of virulence factors. V. cholerae, the
Cholera_autoinducer-1
System of communication
autoimmunity, and diabetes. In many small organisms such as bacteria, quorum sensing enables individuals to begin an activity only when the population is
Cell_signaling
Species of flowering plant
essential oils derived from this plant have anti-proliferative and anti-quorum sensing properties, helping against food spoilage. The berries are also macerated
Myrtus_communis
Chemical compound
cells and by other mechanisms. Ajoene inhibits genes controlled by quorum sensing, through binding to the RNA chaperone Hfq, then hindering its interaction
Ajoene
American ethnobotanist, herbarium curator
resistance. In particular, she studies bacterial biofilm inhibition and quorum-sensing inhibition of botanical extracts for inflammatory skin conditions. Born
Cassandra_Quave
a signalling molecule, N-acyl homoserine lactone. In this case, the quorum sensing molecule, N-acyl homoserine lactone acts as a morphogen initiating organelle
Gas_vesicle
Topics referred to by the same term
East England, United Kingdom Quorum sensing, a system of stimulus and response correlated to population density Quorum, a London fashion boutique founded
Quorum_(disambiguation)
Species of bacterium
like mucosa. LuxR is a gene found in V. harveyi that plays a role in quorum sensing. This can allow V. harveyi to form biofilms that are resistant to certain
Vibrio_harveyi
Species of bacterium
virus only produces the toxin when inserted into the bacterial DNA. Quorum sensing in V. cholerae is well studied and it activates host immune signaling
Vibrio_cholerae
involved in the regulation of quorum sensing. Qrr sRNAs regulate the expression of several mRNAs including the quorum-sensing master regulators LuxR and
Bacterial_small_RNA
Genus of bacteria
5 °C in the presence of bile salts.[citation needed] Some of them show quorum sensing properties. One clinically important species from this genus is E. cloacae
Enterobacter
Genus of bacteria
produces bioactive compounds, has been used widely in aquaculture and quorum sensing. Roseobacter is one of the most abundant and versatile microorganisms
Roseobacter
Adaptive behavior by microscopic organisms including bacteria and protists
species populations. Examples are colonies or swarms of myxobacteria, quorum sensing, and biofilms. It has been suggested that a bacterial colony loosely
Microbial_intelligence
Species of bacterium
via quorum sensing. One of the biofilm forming pathways in GAS is the Rgg2/3 pathway. It regulates SHP's (short hydrophobic peptides) that are quorum sensing
Streptococcus_pyogenes
Transcription factor found in Streptococcus pyogenese
regulatory action being reliant on a complex interaction involving quorum sensing with the leaderless peptide signal speB-inducing peptide (SIP) acting
RopB transcriptional regulator
RopB_transcriptional_regulator
Species of bacterium
are often pollutants of soil and water. D. tsuruhatensis can inhibit quorum sensing and biofilm formation, which could inform new therapeutic drugs against
Delftia_tsuruhatensis
Chemical compound
are arranged in an operon, adjacent to rhlRI, a master regulator of quorum sensing in Pseudomonas aeruginosa. The proteins encoded by rhlA and rhlB; RhlA
Rhamnolipid
Chemical compound
an autoinducer, a member of a family of signaling molecules used in quorum sensing. AI-2 is one of only a few known biomolecules incorporating boron. First
Autoinducer-2
Signaling molecule enabling detection and response to cell-population density
medium. They are a key component of the phenomenon of quorum sensing: as the density of quorum-sensing bacterial cells increases, so does the concentration
Autoinducer
Species of bacterium
stressful conditions. Knowing about quorum-sensing gives rise to the potential development of drugs and therapies. Quorum-sensing peptides can be manipulated
Streptococcus_mutans
British and American programmer and businessman (1945–2021)
Adonizio started the company QuorumEx, headquartered in Belize, which aimed to produce herbal antibiotics that disrupt quorum sensing in bacteria. In June 2013
John_McAfee
American organic chemist
turned toward chemical biology, particularly the study of bacterial quorum sensing in collaboration with Princeton molecular biologist Bonnie Bassler.
Martin_F._Semmelhack
Species of bacterium
metalloproteases, and cytotoxin K, many of which are regulated via quorum sensing. B. cereus strains exhibit flagellar motility. The Bacillus cereus group
Bacillus_cereus
Aggregation of microorganisms in low coastline
communicate with each other and regulate further biofilm formation via Quorum Sensing (QS)., While biofilm formation is advantageous to bacteria and other
Intertidal_biofilm
Species of bacterium
for flagellar assembly do not directly cause quorum sensing, and the genes encoding for quorum sensing do not cause motility by flagella, they can enhance
Heyndrickxia_coagulans
Molecule to signal group actions in cells
has been discovered as an intracellular link between the two major quorum sensing systems of P. aeruginosa; the las and rhl systems. These systems together
Pseudomonas_quinolone_signal
Iron-carrying compounds
metabolic pathway of PVD synthesis is regulated by the phenomenon of quorum-sensing (QS), a cellular communication system that allows bacteria to coordinate
Siderophore
Species of bacterium
Phloretin may reduce the virulence of S. marcescens by disrupting quorum sensing and biofilm formation. When treated with chloramphenicol, S. marcescens
Serratia_marcescens
Genus of bacteria
ferment lactose, are motile, and form mucoid colonies. Some species show quorum sensing ability that could drive different gene expression, hence controlling
Pantoea
American microbiologist
Washington School of Medicine. He is best known for his research on quorum sensing, and has received multiple awards for his work. Greenberg was born in
Everett_Peter_Greenberg
Luminous phenomenon in the ocean
ISSN 0022-0981. Nealson, Kenneth H.; Hastings, J. Woodland (2006). "Quorum Sensing on a Global Scale: Massive Numbers of Bioluminescent Bacteria Make Milky
Milky_seas_effect
Host and associated species living as a discrete ecological unit
Stien, Didier; Sanchez-Ferandin, Sophie; Lami, Raphaël (2016). "Quorum Sensing and Quorum Quenching in the Phycosphere of Phytoplankton: A Case of Chemical
Holobiont
Protein family
is named after Vibrio fischeri luxR, a transcriptional activator for quorum-sensing control of luminescence. LuxR-type HTH domain proteins occur in a variety
LuxR-type DNA-binding HTH domain
LuxR-type_DNA-binding_HTH_domain
Topics referred to by the same term
communication Interspecies friendship Interspecies family Interspecies quorum sensing Interspecies sex Interspecies erotica Interspecies breeding Interspecific
Interspecies
Chemical compound
manner that appears to be non-competitive with L-arginine, and inhibits quorum-sensing signaling in some bacteria. The biological activities of solenopsins
Solenopsin
Candida albicans. They are also found in beer. These molecules are quorum sensing compounds for Saccharomyces cerevisiae. Aryl-alcohol dehydrogenase uses
Aromatic_alcohol
Emission of light by a living organism
functions as an efficient diffuser of light. Communication in the form of quorum sensing plays a role in the regulation of luminescence in many species of bacteria
Bioluminescence
Genus of bacteria
wolves. They are able to communicate with each other via quorum sensing. In Myxococcus, quorum sensing is mediated by two signaling molecules: A-factor and
Myxococcus
Spanish-American bioanalytical chemist
bacterial universal language by detecting the quorum sensing signal, autoinducer-2, with a whole-cell sensing system". Analytical Chemistry. 85 (20): 9604–9609
Sylvia_Daunert
Genus of bacteria and the disease it can cause
other secondary symptoms. The pathogenic features can be linked to quorum sensing, where bacteria are able to express their virulence factor via their
Vibrio
National Basketball Association executive
Annarita; Finore, Ilaria; Nicolaus, Barbara (2019), "Quorum Sensing in Extremophiles", Quorum Sensing, Elsevier, pp. 97–123, ISBN 978-0-12-814905-8, retrieved
John_Abbamondi
infection of animals or plants, inter-species bacterial competition, quorum sensing, exocytosis, and other areas. Once vesicles are produced in the endoplasmic
Membrane_vesicle_trafficking
Disease which is constantly present in an area
from the French endémique, and originally seems to have been used in the sense of diseases that occur at a constant amount in a country, as opposed to
Endemic_(epidemiology)
effective up to four landmarks. Number sense in plants Ordinal numerical competence § In non-humans Quorum sensing Hauser, Marc D.; Carey, Susan; Hauser
Number_sense_in_animals
Occurs when a reservoir population causes an epidemic in a novel host population
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Spillover_infection
Study of chemically-mediated interactions between living organisms
vaccine adjuvants. Biofilm production is initiated through quorum sensing. Example of quorum sensing are the LuxR and LuxI proteins that attribute to the bioluminescence
Chemical_ecology
Class of chemical compounds in plants
Yellow star thistle Quorum sensing inhibitors Sesquiterpene lactones have been found to possess the ability to inhibit quorum sensing in bacteria. Ghantous
Sesquiterpene_lactone
Antimicrobial substance active against bacteria
adhesins, internalins), coordinate the activation of virulence genes (e.g. quorum sensing), and cause disease (e.g. exotoxins). Examples of natural products with
Antibiotic
Disease transmission via pathogens from fecal particles
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Fecal–oral_route
American biologist
bacterial light organs. His laboratory produced the first evidence for quorum sensing in bacteria, early evidence of the molecular mechanisms of circadian
John_Woodland_Hastings
Species of bacteria
bacteria are found inside the epithelial cells themselves. The use of quorum sensing by the bacteria enables the formation of a biofilm which furthers persistent
Helicobacter_pylori
Exploitive behavior in behavioral ecology
many species of bacteria, use a cell-cell communication system called quorum sensing that detect their population density and prompt the transcription of
Cheating_(biology)
Chemical compound
and farnesene. Farnesol is used by the fungus Candida albicans as a quorum sensing molecule that inhibits filamentation. Obtaining farnesol from natural
Farnesol
First documented patient in the population of an epidemiological investigation
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Index_case
Small RNA
regulatory RNA transcribed by the P3 promoter of the Staphylococcus aureus quorum-sensing agr system ). It is the major effector of the agr regulon, which controls
RNAIII
Antimicrobial substance or compound
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Antiseptic
Severity of disease pathogens on its host
factors and mobile genetic elements have been proposed. Bacteria use quorum sensing to synchronise release of the molecules. These are all proximate causes
Virulence
Marine community of plankton and microbes
shape microbiome composition and function. Chemical signaling—through Quorum sensing and Infochemicals—regulate microbial behavior, impacting bloom dynamics
Phytoplankton_microbiome
Medical condition
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Blood-borne_disease
Practices performed to preserve health
reduction of personal illness, healing from illness, optimal health and sense of wellbeing, social acceptance, and prevention of spread of illness to
Hygiene
Bacterium, genetic engineering tool
a type of signaling conserved in many Gram-negative bacteria called quorum sensing.[citation needed] This makes Agrobacterium an important topic of medical
Agrobacterium_tumefaciens
Species of bacterium
in quorum sensing. It is hypothesized that this ability could provide a host plant protection from pathogenic infection, with the impact of quorum quenching
Variovorax_paradoxus
Chemical compound
1007/BF02797444. PMID 186397. Rasmussen, Thomas B.; Givskov, Michael (2006). "Quorum sensing inhibitors: a bargain of effects". Microbiology. 152 (4): 895–904. doi:10
4-Nitropyridine-N-oxide
Class of enzymes
to regulate the expression of virulence genes in a process known as quorum-sensing. acyl-homoserine lactone synthase, acyl homoserine lactone synthase
Acyl-homoserine-lactone synthase
Acyl-homoserine-lactone_synthase
Chemical compound
regulation. Tryptophol shows genotoxicity in vitro. Tryptophol is a quorum sensing molecule for the yeast Saccharomyces cerevisiae. It is also found in
Tryptophol
Group of synergistic organisms
hypothesis Group mind (science fiction) Holobiont Organismic computing Quorum sensing, collective behaviour of bacteria Stigmergy Siphonophore Lüttge, Ulrich
Superorganism
Bacterial disease of potato plants
findings in research are showing strong evidence of density dependent quorum sensing signals used by P. atrosepticum in exhibiting virulence. Blackleg of
Blackleg_(potatoes)
Spread of an infection from one person to another
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Human-to-human_transmission
Organism which has become infected with a pathogen but displays no symptoms
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Asymptomatic_carrier
Infectious disease readily spread by pathogen transmission
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Contagious_disease
Population or environment in which a pathogen naturally lives and reproduces
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Natural_reservoir
Microbial community assemblage and activity
interspecies interactions and ensuring survival in competitive environments. Quorum sensing induced by small molecules allows bacteria to control cooperative activities
Microbiome
Number of disease cases in a given population at a specific time
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Prevalence
Infection transmitted through human sexual behavior
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Sexually transmitted infection
Sexually_transmitted_infection
Sudden increase in occurrences of a disease
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Disease_outbreak
Concentration of water vapour in the air
Infectivity Infectious dose Pathogenesis Pathogenicity Attack rate Quorum sensing Virulence Endotoxin Exotoxin Case fatality rate factors Antimicrobial
Humidity
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