• bacteria
  • Many infectious pathogens are difficult to treat because they develop into biofilms, layers of metabolically active but slowly growing bacteria embedded in a protective layer of slime, which are inherently more resistant to antibiotics. (caltech.edu)
  • Second, while local cooperation among bacteria may often occur, the evolution of cooperation among all cells is unlikely for most biofilms. (nih.gov)
  • Various bacteria, including foodborne pathogens, can form biofilms on stainless steel surfaces, potentially leading to contamination of foods. (uga.edu)
  • By creating a liquid-infused structured surface, we deprive bacteria of the static interface they need to get a grip and grow together into biofilms," says Epstein, a recent Ph.D. graduate who worked in Aizenberg's lab at the time of the study. (innovations-report.com)
  • 13.30 - 14.05 The bigger the better - particle flow modeling using large scale-rig models Tony Woodward Thames Water 14.05 - 14.40 Continuous culture biofilm system: Applications in oral care Richard Hodgkins Unilever.Port Sunlight, Wirral 14:40 - 14:30 Constant depth or squashed biofilm - The story of the headless bacteria Mike Wilson Eastman Dental Institute, London 14:30 - 15:00 Computer simulation of biofilm communities - The easy solution? (bio.net)
  • K. K. Jefferson, "What drives bacteria to produce a biofilm? (hindawi.com)
  • In the gut, your immune system appears to encourage biofilm formation by secreting immunoglobulin A (IgA), an immune protein that makes bacteria stick together, or agglutinate. (dreddyclinic.com)
  • The biofilm bacteria are able to share nutrients and are sheltered from harmful factors in the environment, such as desiccation, antibiotics, and a host body's immune system. (wikipedia.org)
  • It is thought that the first colonist bacteria of a biofilm adhere to the surface initially through weak, reversible adhesion via van der Waals forces and hydrophobic effects. (wikipedia.org)
  • Hydrophobicity can also affect the ability of bacteria to form biofilms. (wikipedia.org)
  • Because biofilms protect the bacteria, they are often more resistant to traditional antimicrobial treatments, making them a serious health risk. (wikipedia.org)
  • For example, there are more than one million cases of catheter-associated urinary tract infections (CAUTI) reported each year, many of which can be attributed to biofilm-associated bacteria. (wikipedia.org)
  • these appendages enable the cell to remain attached until better/more capable attachment mechanisms are set Judging from what has been uncovered through the processes of adsorption and attachment, in order to prevent bacteria from forming a biofilm the substratum should be incredibly smooth. (wikipedia.org)
  • This biofilm system does not need any blower to oxygenate the bacteria colonies. (wikipedia.org)
  • In the 1990s, Kolter's research group was among the first to study the genetics of bacteria adhered to surfaces, living within communities called biofilms, and to consider biofilms as developmental and multicellular forms of microbes. (wikipedia.org)
  • In the 1990s, Kolter's group became interested in the genetic pathways of surface-associated communities of bacteria called biofilms. (wikipedia.org)
  • Bacteria in the biofilm community can actually generate various toxic compounds that interfere with the growth of other competing bacteria. (wikipedia.org)
  • Some species of bacteria secrete it to form biofilms. (wikipedia.org)
  • Excessive adsorption, or protein fouling, can lead to health and sanitation issues, as the adsorbed protein is very difficult to clean and can harbor bacteria, as is the case in biofilms. (wikipedia.org)
  • For example, biofilm production allows bacteria to adhere to the host tissue surface, and it provides a protective environment ideal for bacterial growth. (wikipedia.org)
  • lactic acid
  • Results of this study indicate that treatment of L. monocytogenes , S. Typhimurium, and STEC biofilms with lactic acid and levulinic acid with SDS, followed by heating is effective in reducing populations by up to 6.9 log CFU/coupon. (uga.edu)
  • infections
  • While there is precedent for the use of enzymes to treat bacterial infections, the novelty of this study lies in our observation that selectively degrading a small pigment that supports the biofilm lifestyle can inhibit biofilm expansion," says Costa, the first author on the study. (caltech.edu)
  • While it will take several years of experimentation to determine whether the laboratory findings can be translated to a clinical context, the work has promise for the utilization of proteins like PodA to treat antibiotic-resistant biofilm infections, the researchers say. (caltech.edu)
  • In fact, some researchers believe that some persistent or recurring infections may result from stubborn biofilms in the body that evade immune defenses. (dreddyclinic.com)
  • dispersal
  • In this Research Topic, we aim to highlight groundbreaking work in the development and/or application of quantitative analysis methods to bacterial biofilms, with a focus on those studies resulting in the discovery of new phenomena regulating biofilm initiation, development, function, or dispersal. (frontiersin.org)
  • The process is summarized by five major stages of biofilm development (see illustration on the right): Initial attachment Irreversible attachment Maturation I Maturation II Dispersion Dispersal of cells from the biofilm colony is an essential stage of the biofilm life cycle. (wikipedia.org)
  • Enzymes that degrade the biofilm extracellular matrix, such as dispersin B and deoxyribonuclease, may play a role in biofilm dispersal. (wikipedia.org)
  • Beneficial
  • This phenomenon of enhanced resistance can potentially be beneficial in industrial chemical production, where microorganisms within biofilms may tolerate higher chemical concentration and act as robust manufacturing "factories" for various products. (wikipedia.org)
  • The CBE integrates faculty from multiple university departments to lead multidisciplinary research teams-including graduate and undergraduate students-to advance fundamental biofilm knowledge, develop beneficial uses for microbial biofilms, and find solutions to industrially relevant biofilm problems. (wikipedia.org)
  • biological
  • We especially encourage the submission of work applying physical, analytical, and modeling methods to generate insights into the interactions that shape biofilms and determine their function and biological outcomes. (frontiersin.org)
  • bionet
  • Please go to URL http://www.bio.net and click on the 'Access the BIOSCI/bionet Newsgroups' option and then click on the BIOFILMS/bionet.microbiology.biofilms hyperlink. (bio.net)
  • If you do not see bionet.microbiology.biofilms in your newsreader within another day or two, ask your news system administrator to act on our 'newgroup' message to enable the group at your site. (bio.net)
  • You might also try the command 'g bionet.microbiology.biofilms' in rn-like newsreaders. (bio.net)
  • pathogens
  • and (2) evaluate the efficacy of heat and chemical sanitizer treatments on inactivation of pathogens in biofilms formed on stainless steel. (uga.edu)
  • When LA (3%) and 2% LVA+0.5% SDS were applied to biofilms following treatment at 80ºC, all three pathogens were reduced to undetectable levels, i.e., samples were negative by enrichment. (uga.edu)
  • physiological
  • The structural and physiological complexity of biofilms has led to the idea that they are coordinated and cooperative groups, analogous to multicellular organisms. (nih.gov)
  • These projects enabled the continued development of microsensors to measure gradients of gases and pH within biofilm communities, microscopy to elucidate physiological activity of community organisms and modeling to predict biofilm behavior. (wikipedia.org)
  • form
  • As a result, biofilms cannot cling to the material, and even if they do form, they easily 'slip' off under mild flow conditions," adds Wong, a researcher at SEAS and a Croucher Foundation Postdoctoral Fellow at the Wyss Institute. (innovations-report.com)
  • How Do Biofilms Form? (dreddyclinic.com)
  • Biofilms can form on the teeth of most animals as dental plaque, where they may cause tooth decay and gum disease. (wikipedia.org)
  • Biofilms form on solid substrates such as stainless steel. (wikipedia.org)
  • teeth
  • the furry feeling on teeth is a biofilm polysaccaride matrix. (tripod.com)
  • Biofilms are found naturally in many places, including teeth (plaque), medical devices such as intravenous catheters, prosthetic heart valves, and cardiac pacemakers, in sewage pipelines, ship hulls, and many other non-human environments. (google.com)
  • processes
  • Biofilm phenotypes observable by eye are often the result of complex interactions and interconnected chemical, physical, and genetic processes. (frontiersin.org)
  • The photosynthetic activity fuels processes and conversions in the total biofilm community, including the heterotrophic fraction. (wikipedia.org)
  • He assembled a multidisciplinary team of engineers, microbiologists and chemists to study the processes and effects of microbial growth at interfaces He established a cross-disciplinary environmental biotechnology institute to address the needs of industry in the areas of biofouling, microbial corrosion and biofilm technology. (wikipedia.org)
  • The center's industrial focus expanded from biofilm control and mitigation to include positive use of biofilm processes to break up soil and water contaminants as well as extracting minerals from low-grade ores. (wikipedia.org)
  • Biofilm processes in general require less space than activated sludge systems because the biomass is more concentrated, and the efficiency of the system is less dependent on the final sludge separation. (wikipedia.org)
  • A disadvantage with other biofilm processes is that they experience bioclogging and build-up of headloss. (wikipedia.org)
  • infectious
  • It could be used to fight again Biofilm implied in infectious diseases, that are present in more than 60% of Hospital-acquired infection. (wikipedia.org)
  • sludge
  • The MBBR system consists of an aeration tank (similar to an activated sludge tank) with special plastic carriers that provide a surface where a biofilm can grow. (wikipedia.org)
  • behavior
  • These methods have all contributed to recent advances in the understanding of the factors determining bacterial behavior and function within biofilms. (frontiersin.org)
  • When a cell switches to the biofilm mode of growth, it undergoes a phenotypic shift in behavior in which large suites of genes are differentially regulated. (medicalxpress.com)
  • cells
  • 0.05) of cells in biofilms treated with LA (3%) were recovered on TSA than on selective media. (uga.edu)
  • Ideas for home built quipment for teaching about Biofilms Sources for unusual or hard to find matierials and equipment, for example the square capillary tubing made by Friedrich and Dimmock that is just right for making flow cells that cah be viewed under the microsccope in real time. (bio.net)
  • Only about 15% of a given biofilm is made up of cells. (dreddyclinic.com)
  • While S. mutans grows in the biofilm, cells maintain a balance of metabolism that involves production and detoxification. (wikipedia.org)
  • interdisciplinary
  • The Center for Biofilm Engineering (CBE) is an interdisciplinary research, education, and technology transfer institution located on the central campus of Montana State University in Bozeman, Montana. (wikipedia.org)
  • development
  • Pyocyanin has been used in the clinical identification of this strain for over a century, but several years ago the Newman group demonstrated that the molecule also supports biofilm growth, raising the possibility that its degradation might offer a new route to inhibit biofilm development. (caltech.edu)
  • Adding PodA to growing cultures of P. aeruginosa , the team discovered, inhibits biofilm development. (caltech.edu)
  • The IPA conducted fundamental research, development, and testing for industry and government agencies and it pursued biofilm projects that crossed traditional scientific discipline boundaries. (wikipedia.org)
  • growth
  • We are investigating the dynamics of biofilm growth using experimental, simulation, and mathematical modeling methods. (google.com)
  • 11:15 - 11:50 To modify or not to modify - Biofilms studies using Robbins Devices and other flow through apparatus Hilary Lappin-Scott University of Exeter, Exeter 11:50 - 12:25 Reproducible babies - The ultimate growth controller (Perfused-biofilm fermenters) David Allison and Peter Gilbert University of Manchester 12:25 - 13.30 LUNCH Afternoon Chairman: Melanie Brading [ Melanie.Brading at unilever.com ]. (bio.net)
  • The growth process is the most significant step in biofilm accumulation when accounting for biofilm mass. (wikipedia.org)
  • community
  • Despite being a seemingly dry tissue, your skin harbors a community of S. epidermidis in a biofilm structure found throughout the outer layers of your epidermis. (dreddyclinic.com)
  • mechanisms
  • Here, the historical background of bubonic plague is briefly described and recent studies investigating the mechanisms by which these unique and deadly biofilms are formed are discussed. (nih.gov)