AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesDisciplines and OccupationsTechnology, Industry, AgricultureInformation ScienceHealth Care
BiofilmsBacteriaPlanktonBacterial AdhesionPseudomonas aeruginosaColony Count, MicrobialMicrobial ViabilityMicroscopy, Electron, ScanningBacterial Physiological PhenomenaBacterial ProteinsGene Expression Regulation, BacterialCandida albicansAnti-Bacterial AgentsStreptococcus mutansQuorum SensingCulture MediaStreptococcus oralisFungiStaphylococcus epidermidisStaphylococcus aureusWater MicrobiologyDental PlaqueMicroscopy, ConfocalMicrobial Sensitivity TestsMicrobial InteractionsPolysaccharides, BacterialEquipment ContaminationDisinfectantsMouthDNA, BacterialRNA, Ribosomal, 16SBioreactorsChlorhexidineBiodegradation, EnvironmentalBacteriological TechniquesActinomycesCetylpyridiniumSoil MicrobiologyMicrobial ConsortiaPolystyrenesAnti-Infective Agents, LocalPlasma GasesStainless SteelEscherichia coliMolecular Sequence DataBacterial LoadPolyvinyl ChlorideEnvironmental MicrobiologyAntifungal AgentsPeracetic AcidDisinfectionAdhesins, BacterialPhylogenyFusobacterium nucleatumBiomassAnti-Infective AgentsCatheter-Related InfectionsBioelectric Energy SourcesMicrobiological TechniquesEnterococcus faecalisSequence Analysis, DNACandidaAntibiosisGram-Negative BacteriaStreptococcus gordoniiGram-Positive BacteriaGenes, BacterialPseudomonas fluorescensTobramycinFresh WaterSilicone ElastomersDrug Resistance, BacterialAir MicrobiologySurface PropertiesStreptococcusSewageStaphylococcusHomoserineGentian VioletFarnesolFimbriae, BacterialVirulenceMutationDNA, RibosomalGene DeletionBacterial InfectionsPseudomonas putidaPseudomonasRNA, BacterialAnaerobiosisStaphylococcal InfectionsGlassSiliconesDental PellicleVeillonellaMicrobiologyAlginatesVirulence FactorsProteobacteriaBacteria, Anaerobic
BacteriaAnti-biofilm agentsWastewaterMicrobialHeterotrophicBacterialPollutantsOrganismsOrganic matterInoculumDisinfectionPhysiologicalMicrobiotaMicrobesOxidationAbundantMetabolicSustainNitrateSubstrateProtozoaInteractionMethaneTeethSurfacesConcentrationFormAerationInteractWaterActivityChlorineTreatmentsResistanceSystemsSecondaryConditionsFindingsCommunityInfectionsCommunitiesLargeFormationAgentsEffectResultsIncreaseFoodRemoval
Bacteria19
  • Among them are cyanobacteria and eukaryotic phototrophs, aerobic heterotrophic and chemoautotrophic bacteria, protozoa, anoxygenic photosynthetic bacteria, and other types of microorganisms. (epa.gov)
  • Different microorganisms (from bacteria to ciliates to rotifers) concen - trate on the surface of the carrier to form biofilms. (mbbrfiltermedia.com)
  • This increases the potential for biofilm sloughing, and may have detrimental effects on slow-growing, aerobic microorganisms such as nitrifying bacteria. (uai.cl)
  • In this study, the anti-biofilm activity of previously fabricated polyamino-phenolic ligands and polyamidoamine dendrimers was investigated against legionella mono-species and multi-species biofilms formed by L. pneumophila in association with other bacteria that can be found in tap water ( Aeromonas hydrophila , Pseudomonas aeruginosa , Escherichia coli , Klebsiella pneumoniae ). (frontiersin.org)
  • Legionella genus includes aerobic, motile, gram-negative bacteria that are the etiological agents of legionellosis. (frontiersin.org)
  • HydriTreat™ OG 2205 may be used to treat water used in primary or secondary oil and gas recovery systems to control anaerobic sulfide-forming bacteria, aerobic slime forming bacteria, yeast, and fungi. (hydrite.com)
  • Biofilms, those slimy films of bacteria that cling to surfaces, can wreak havoc on your equipment and harbor dangerous pathogens that contaminate your products. (foodsafetytech.com)
  • In the first few years of life, the bacterial microbiota within the mouth is predominantly aerobic, but, as the teeth develop, favorable sites supporting pathogenic anaerobic bacteria emerge. (medscape.com)
  • This study focused on the changes in biofilm activity and related metabolic pathways of S. aureus treated with lactic acid bacteria planktonic CFS (LAB-pk-CFS) and biofilm state (LAB-bf-CFS). (frontiersin.org)
  • However, there have not been many investigations on how pathogenic bacteria are affected by the metabolic properties of planktonic and biofilm probiotics. (frontiersin.org)
  • Here, we used untargeted metabolomics to investigate the potential impacts of planktonic bacteria (LAB-pk-CFS) and biofilm colonies (LAB-bf-CFS) on the metabolism of S. aureus biofilms. (frontiersin.org)
  • The aerobic SBR injects air into the tank during its reaction step to fuel microorganisms, while the anaerobic system allows certain bacteria to degrade organic material in an environment without oxygen. (kelvinindia.in)
  • The objective of this study was to verify the synergistic effect and activity against biofilm formation of the EO from M. divaricatum against bacteria associated with dental caries. (revistarebram.com)
  • The microtitration plate assay was used for determination the Minimum Inhibitory Concentration of Biofilm (MICB 50 ) of essential oil against the bacteria. (revistarebram.com)
  • The synergistic effect and activity against biofilm formation of the essential oil (EO) from M. divaricatum against bacteria associated with dental caries were observed. (revistarebram.com)
  • These dissolve over a period of several months and act as a carbon source for aerobic bacteria and other microorganisms. (grotech-shop.de)
  • Furthermore arise additional biofilms of anaerobic bacteria , in a small scale in anaerobic aquarium areas. (grotech-shop.de)
  • A disadvantage of the vodka method that works even without special filters, is that in this anaerobic bacteria form biofilms on all surfaces of the tank. (grotech-shop.de)
  • Bacteriological tests included determination of total microorganism count at 20 degrees C and 37 degrees C, total number of sporing bacteria and Pseudomonas aeruginosa. (who.int)
Anti-biofilm agents2
  • The concentration of the chemicals tested as anti-biofilm agents was chosen based on cytotoxicity assays: the highest non-cytotoxic chemical concentration was used for biofilm inhibition assays, with dendrimer concentration 10-fold higher than polyamino-phenolic ligands. (frontiersin.org)
  • The microbial community is also a natural source of metabolites and has the potential to be used to create antimicrobial and anti-biofilm agents. (frontiersin.org)
Wastewater11
  • Constructed wetland systems are highly controlled environments that intend to mimic the occurrences of soil, flora, and microorganisms in natural wetlands to aid in treating wastewater. (wikipedia.org)
  • Comamonas is one of the most abundant microorganisms in biofilm communities driving wastewater treatment. (ntu.edu.sg)
  • The membrane-aerated biofilm reactor (MABR) is a novel wastewater treatment technology based on oxygen-supplying membranes. (uai.cl)
  • The biofilm surface area of this pond is large and can adsorb a large amount of organic matter in wastewater, and its oxidation capacity is strong. (saideli-centrifuge.com)
  • Due to the aging and death of microorganisms on the biofilm, the biofilm will fall off the surface of the filter material and then flow out of the pool with the wastewater. (saideli-centrifuge.com)
  • These plants operate on the principle of breaking down organic matter through natural decomposition processes carried out by microorganisms present in the wastewater. (kelvinindia.in)
  • Air is introducing into the wastewater to encourage the growth of microorganisms that break down organic matter. (kelvinindia.in)
  • The sequential batch reactor is a process that alternates between aerobic and anoxic conditions for wastewater purification. (kelvinindia.in)
  • The Moving Bed Biofilm Reactor (MBBR ) is an effective wastewater treatment technique which involves attaching microscopic biofilms to plastic carriers which move freely within the wastewater. (kelvinindia.in)
  • This process assists in the removal of organic matter and nitrogen, tank to the aeration or mixing of the wastewater that enables microorganisms on the biofilm carriers to consume organic matter, eventually converting it into biomass and other byproducts. (kelvinindia.in)
  • The treated wastewater is then discharging, and the biofilm carriers recycled back to the reactor tank. (kelvinindia.in)
Microbial4
  • Microbial mats - layered biofilms containing different types of cells - are most complex systems in which representatives of various groups of organisms are found together. (epa.gov)
  • There are reasons to support the hypothesis that the consumption of these kinds of alternative feeds may affect some biological conditions such as changes in the immune and antioxidant responses of shrimp after using microbial biomass as direct food source (bioflocs, biofilms, peryphyton). (aquaculturemag.com)
  • The biological and biochemical composition of bioflocs which are mainly constituted by organic matter and aerobic microbes, may vary depending on diverse factors such as source of water, microbial inoculum, carbon/nitrogen ratio, substrate, temperature, salinity, light intensity, DO concentration, turbulence of the water column among some other. (aquaculturemag.com)
  • In man-made water systems microbial biofilms increase the resistance of legionella to disinfection, posing a significant threat to public health. (frontiersin.org)
Heterotrophic2
  • Contrarily, high protein and low lipid concentrations are commonly constituting bioflocs or biofilms based on heterotrophic microorganisms. (aquaculturemag.com)
  • Although autotrophic growth has been suggested [ 4 ], it is commonly assumed that bottled water microorganisms mainly generate energy and multiply through heterotrophic utilization of dissolved organic matter (DOM) available in the bottle environment [ 8 ]. (biomedcentral.com)
Bacterial4
  • Bacterial ability to form biofilms was verified using a crystal violet colorimetric assay and testing cell viability by real-time quantitative PCR and Plate Count assay. (frontiersin.org)
  • When you get these spikes, where the bacterial count goes down and then whips up, that is a biofilm," said Giambrone. (foodsafetytech.com)
  • [ 2 , 3 ] Evidence also exists that significant interaction of bacterial types within biofilm may either enhance or suppress metabolic activity that leads to dental infection. (medscape.com)
  • Bacterial biofilms: a common cause of persistent infections. (microbiologyresearch.org)
Pollutants3
  • The pollutants are gathered on the biofilm through this movement and then degraded by microorganisms. (mbbrfiltermedia.com)
  • Under anaerobic conditions, organic pollutants are hydrolyzed and acidified under the action of microorganisms. (saideli-centrifuge.com)
  • These microorganisms consume the organic pollutants present in the water, converting them into harmless byproducts like carbon dioxide and water. (kelvinindia.in)
Organisms3
  • Aerobic and anaerobic micro-organisms facilitate decomposition of organic matter. (wikipedia.org)
  • In the cases of most pond biofilms, the surface layers with chlorophyllic, aerobic organisms can support layers of anaerobic organisms in the deeper layers and the interaction of all of the organisms makes for an ecosystem that in some cases produce byproducts that would not be formed without the interaction. (ecmbiofilms.com)
  • Little has been known about the role of this group of organisms and their biofilm mode of life. (ntu.edu.sg)
Organic matter3
  • Non-carbonated natural mineral waters contain microorganisms that regularly grow after bottling despite low concentrations of dissolved organic matter (DOM). (biomedcentral.com)
  • While organic matter is decomposed, the organic bodies of microorganisms are constantly growing and proliferating, increasing the number of biofilms. (saideli-centrifuge.com)
  • In this stage, microorganisms are introducing into the water to break down organic matter through aerobic or anaerobic digestion. (kelvinindia.in)
Inoculum1
  • The largely untreated nature of natural mineral waters allows that microorganisms from the source water aquifer and possibly the bottling plant (i.e., pipelines and storage tanks) act as inoculum for the bottle environment. (biomedcentral.com)
Disinfection2
  • Disinfection methods currently used in water systems have been shown to be ineffective against legionella over the long-term, allowing recolonization by the biofilm-protected microorganisms. (frontiersin.org)
  • These data suggest that the studied compounds, especially dendrimers, could be considered as novel molecules in the design of research projects aimed at the development of efficacious anti-biofilm disinfection treatments of water systems in order to minimize legionellosis outbreaks. (frontiersin.org)
Physiological1
  • Additionally, it inhibits the physiological traits of the S. aureus biofilm, including hydrophobicity, motility, eDNA, and PIA associated to the biofilm. (frontiersin.org)
Microbiota1
  • Are there differences between the free-living community in the water phase (plankton microbiota) and the inner-bottle-surface-associated community (biofilm microbiota)? (biomedcentral.com)
Microbes1
  • Biofilms are how microbes look to survive in nature and within your food plant," said Giambrone, "and they can form quickly-within 13 hours. (foodsafetytech.com)
Oxidation1
  • The predictions of kinetic theory are in full agreement with observed lengths of pathways in nitrification, methane oxidation, aerobic and anaerobic sugar degradation, etc. (wessex.ac.uk)
Abundant1
  • The biofilm communities shared with the suspended community highly abundant and prevalent OTUs, which related to methano-/methylotrophs (i.e. (wustl.edu)
Metabolic1
  • Taking these factors together, this study reveals that nitrate reduction occurs in mature biofilms of C. testosteroni under bulk aerobic conditions, and the respiratory reduction of nitrate is beneficial to the biofilm lifestyle by providing more metabolic energy to maintain high viability and a higher level of c-di-GMP to reduce cell detachment. (ntu.edu.sg)
Sustain1
  • [ 5 ] The consistency of the diet is also important in that courser foods eliminate particles that can sustain microorganisms. (medscape.com)
Nitrate3
  • In this study, using Comamonas testosteroni as a model organism, we demonstrated the involvement of Comamonas biofilms in denitrification under bulk aerobic conditions and elucidated the influence of nitrate respiration on its biofilm lifestyle. (ntu.edu.sg)
  • Under bulk aerobic condition, biofilms of C. testosteroni were capable of reducing nitrate, and intriguingly, nitrate reduction significantly enhanced viability of the biofilm-cells and reduced cell detachment from the biofilms. (ntu.edu.sg)
  • Nitrate respiration was further shown to play an essential role in maintaining high cell viability in the biofilms. (ntu.edu.sg)
Substrate2
  • Vegetation in a wetland provides a substrate (roots, stems, and leaves) upon which microorganisms can grow as they break down organic materials. (wikipedia.org)
  • However, in spatially structured systems such as biofilms, the HighYield strategy has a higher fitness when the diffusional influx of substrate into the biofilm limits growth, because under such conditions, the higher efficiency of resource exploitation pays off, provided the neighbours cooperate in using the resource economically. (wessex.ac.uk)
Protozoa1
  • When protozoa were included, the void fraction grew to nearly 50%, with large, continuous voids at the base of the biofilm. (uai.cl)
Interaction1
  • The same can be said of the biofilms formed by the interaction of our additive materials and the naturally existing biota. (ecmbiofilms.com)
Methane1
  • Once there are the structured communities of microorganisms interacting to produce schisms in the long hydrocarbon chains of the polymers the process continues until all the hydrocarbons are eventually transformed into the carbon dioxide and water (aerobic biodegradation) or carbon dioxide, methane and water (anaerobic biodegradation). (ecmbiofilms.com)
Teeth3
  • As most people are aware, an example of a biofilm would be the scum that can form on the surface of a pond or on teeth, for that matter. (ecmbiofilms.com)
  • Just as biofilm plague will rot your teeth, biofilms form acid that corrode equipment. (foodsafetytech.com)
  • Biofilm, on teeth termed plaque, can build up in the mouth and reach substantial numbers. (medscape.com)
Surfaces1
  • Biofloc and biofilm mass based on photoautotrophic microorganisms (also known as peryphyton when attached to submerged surfaces), have typically low protein contents but they have a high content of lipids and carbohydrates. (aquaculturemag.com)
Concentration1
  • C-di-GMP is one universal signaling molecule that regulates the biofilm mode of life, and a higher c-di-GMP concentration reduces cell detachment from biofilms. (ntu.edu.sg)
Form3
  • The one with no ECM does not form the necessary biofilm and thereby 100-kg of PE sits in the ground in that form for hundreds or thousands of years or more. (ecmbiofilms.com)
  • The one with a half a percent of ECM does not form the biofilm with sufficient sustainability to initiate and continue the biodegradation process so only the very surface amounts of the ECM biodegrades and you will have remaining all of the 99.5-kg of PE and most of the 0.5-kg of ECM for hundreds or thousands of years in that form. (ecmbiofilms.com)
  • Biofilms form on any equipment with a large surface area and, in addition to contaminating food, they can damage equipment. (foodsafetytech.com)
Aeration1
Interact2
  • These mats are perfect models for biogeochemical processes, such as the cycles of chemical elements, in which a variety of microorganisms cooperate and interact in complex ways. (epa.gov)
  • Different microorganisms can interact mechanistically by actively participating in these habitats, through direct and indirect exchanges of both a physical and chemical character. (frontiersin.org)
Water7
  • It exhibits excellent bactericidal and fungicidal activity against a wide range of microorganisms in cold or warm water. (hydrite.com)
  • The most common areas for biofilm formation include dead legs, slow-moving water lines, conveyors, floors, drains, pipeline or filler gaskets, and pump valves and gasket junctions. (foodsafetytech.com)
  • Ground water, treated drinking water, and oligotrophic surface freshwaters generally have low DOM concentrations in the range of 0.5-5 mg carbon/L. Microorganisms metabolize only a minor fraction (0.01-0.1 mg carbon/L) of this DOM pool while a larger refractory fraction remains untouched [ 9 ]. (biomedcentral.com)
  • Due to the adsorption effect of the biofilm, a thin layer of water is often attached to its surface. (saideli-centrifuge.com)
  • Drinking water distribution systems (DWDSs) harbor the microorganisms in biofilms and suspended communities, yet the diversity and spatiotemporal distribution have been studied mainly in the suspended communities. (wustl.edu)
  • Over a 2-year span, biomass were sampled from household water meters (n=213) and tap water (n=20) to represent biofilm and suspended communities, respectively. (wustl.edu)
  • The findings of a distinctive biofilm community assemblage and methano-/methyltrophic primary production provide critical insights for developing more targeted water quality monitoring programs and treatment strategies for groundwater-sourced drinking water systems. (wustl.edu)
Activity1
  • 2H2O was selected as the highest level of enrichment with little to no effect on the activity of microorganisms in pure culture. (darkenergybiosphere.org)
Chlorine1
  • The goal of your biofilm removal process is to detach biofilms from the surface, break down the community into small components via detergents, surfactants, and mechanical action, and then completely destroy the detached subsections via true oxidative sanitizers: PAA, chlorine or ozone. (foodsafetytech.com)
Treatments1
  • Among the different strategies proposed for caries control, the treatments based on the disorganization of the dental biofilm associated with the use of fluoride (F) have been considered effective 2 . (bvsalud.org)
Resistance1
  • S. aureus produces large biofilm formations that support its pathogenicity and confer protection and subsequently drug resistance ( 5 ). (frontiersin.org)
Systems2
  • HydriTreat™ OG 2205 is a biocide for the control of slime and biofilms in oil and gas production and secondary oil recovery systems. (hydrite.com)
  • This product controls biofilm and slime deposits on products associated with oilfield and gasfield systems which are susceptible to contamination. (hydrite.com)
Secondary1
  • Secondary and tertiary vessels enabled the biofilms to be formed before being challenged with appropriate biocides. (who.int)
Conditions2
  • Importantly, this structuring of communities of microorganism proceeds in anaerobic as well as aerobic conditions. (ecmbiofilms.com)
  • This firstly ensures the necessary aerobic conditions and also the gradually emerging on the pellets biofilm is abraded by the turbulence in the filter reliably and continuously. (grotech-shop.de)
Findings1
Community2
  • This community of microorganisms is known as the periphyton. (wikipedia.org)
  • Examined under a 'core-satellite' model, the biofilm community comprised 31 core populations that encompassed 76.7% of total 16 S rRNA gene pyrosequences. (wustl.edu)
Infections1
Communities1
  • This study examined the diversity of biofilms in an urban DWDS, its relationship with suspended communities and its dynamics. (wustl.edu)
Large1
  • Because of its structural characteristics, microorganisms can be implanted in a large number. (mbbrfiltermedia.com)
Formation1
  • Several genes isolated from resistant enterococci ( agg, gelE, ace, cylLLS, esp, cpd, fsrB ) encode virulence factors such as the production of gelatinase and hemolysin, adherence to caco-2 and hep-2 cells, and capacity for biofilm formation. (medscape.com)
Agents1
  • The agents Giambrone recommended for biofilm remediation include: Chlorinated alkaline cleaners, acidic cleaners, EDTA (chelating agents), which remove minerals from biofilm matrix-"These are very effective in removing the biofilm from the surface," he said-and enzymatic cleansers. (foodsafetytech.com)
Effect1
  • It can be used as an anaerobic tank or an aerobic tank, and the decanter separator realizes flexible operation control to ensure that the treatment effect meets the requirements. (saideli-centrifuge.com)
Results1
  • Results suggest that amoeba proliferate in the bioflim interior, especially in the aerobic zones. (uai.cl)
Increase1
Food2
  • Charles Giambrone, Food Safety Manager, Rochester Midland, shared strategies for the detection, remediation, and control of biofilms at the Food Safety Tech Hazards Conference in April. (foodsafetytech.com)
  • The pellets act as a food source for these microorganisms. (grotech-shop.de)
Removal1
  • Removal of biofilms requires mechanical action as well as the application of strong chemicals applied for a lengthy contact time. (foodsafetytech.com)