• A key initial stage of S. mutans pathogenesis involves a lectin-mediated adhesion to the tooth surface, thus the range of potential macromolecular ligands was further expanded by investigating two glycopolymers bearing α-mannopyranoside and β-galactopyranoside pendant units. (worktribe.com)
  • Polymers able to selectively bind S. mutans and/or inhibit its adhesion to oral tissue in a non-lethal manner would offer possibilities for addressing pathogenicity without selecting for populations resistant against bactericidal agents. (worktribe.com)
  • pDMAEMA-derived materials with high proportions of zwitterionic repeating units were found to be selective for S. mutans, in both isolated and S. mutans - E. coli mixed bacterial cultures. (worktribe.com)
  • The quantification of bacterial adhesion is based on nucleic acid staining by SYTO9, with Pseudomonas aeruginosa and Staphylococcus aureus as the model microorganisms. (mdpi.com)
  • The researchers utilized atomic force microscopy to measure the binding force between a staphylococcal adhesion protein (SdrG from Staphylococcus epidermidis) and its cognate ligand (fibrinogen β) at the single-molecule level in vitro, and calculated the contributions of all of the atoms involved in the interaction in silico, with the help of an especially powerful supercomputer. (uni-muenchen.de)
  • Researchers from the Université de Lille (France) studied the fouling behaviour and hygienic features of two hydrophobic and non-polar commercial graphite-based composites (Graphilor XC and XTH) that were exposed to isothermal whey protein fouling in an industrial pasteurization unit and to foodborne pathogenic bacterial strains, namely Staphylococcus aureus , Listeria monocytogenes and Salmonella enterica . (foodexecutive.com)
  • Our in vitro experiments showed that the synthesized TiO 2 nanotubes indeed decreased the Staphylococcus epidermilis adhesion compared to unanodized Ti foil. (scirp.org)
  • Therefore, this study was aimed (1) to evaluate the physicochemical properties of enamel after thermal treatment, (2) to characterize the physicochemical properties of the three pioneer strains of oral bacteria, and (3) to quantify bacterial adhesion by adhesion assay, confocal laser scanning microscopy observation and oral bacterial adhesion force measured by atomic force microscopy. (nus.edu.sg)
  • Thirdly, adhesion assay was used to calculate percentages of the bacterial adhesion to enamel particles with or without saliva and/or heating. (nus.edu.sg)
  • Does upregulated host cell receptor expression provide a link between bacterial adhesion and chronic respiratory disease? (tcd.ie)
  • O'Toole R.F, Shukla S.D, Walters E.H, Does upregulated host cell receptor expression provide a link between bacterial adhesion and chronic respiratory disease? (tcd.ie)
  • The first step in bacterial colonisation of the respiratory tract involves the binding of a bacterial adhesin to its cognate receptor presented on the surface of the host cell. (biomedcentral.com)
  • In biology, the extracellular matrix (ECM) promotes both cell adhesion and specific recognition, which is essential for central developmental processes in both eukaryotes and prokaryotes. (pnas.org)
  • Altogether, the results revealed that in this bacterium, slime associates preferentially with the outermost components of the motility machinery and promotes its adhesion to the substrate on the ventral side of the cell. (pnas.org)
  • Both bacterial cell count and surface topography parameters were subjected to statistical analysis (α=.05). (ovid.com)
  • Indirect composite resins showed significantly lower levels than direct composite resins for bacterial cell adhesion, (P (ovid.com)
  • The first study uses in situ attenuated total reflectance (ATR) Fourier transform infrared (FTIR) spectroscopy to reveal that prior to Mn-oxidation via Pseudomonas putida GB-1, cell adhesion to ZnSe is favorable. (openthesis.org)
  • No negative effects in fibroblast cell viability were detected and a significant reduction on bacterial adhesion in vitro was achieved in silver-treated samples compared with control titanium. (upc.edu)
  • Here, we compare the process of bacterial engulfment by a panel of stably transfected HeLa epithelial cell lines expressing each CEACAM receptor in isolation. (asm.org)
  • PAFr is known to bind to phosphorylcholine which is a component of the cell wall of the above bacterial species and is a molecular mimic of human platelet-activating factor [ 9 ]. (biomedcentral.com)
  • The objective of this study was to investigate the effect of nitrogen starvation on cell surface hydrophobicity and cell adhesion to soil particles by bacterial strains previously characterized as able to use benzene, toluene or xilenes as carbon and energy sources. (ufv.br)
  • Nitrogen starvation also reduced significantly the strength of cell adhesion to the soil particles, except for Klebsiella sp. (ufv.br)
  • Moreover, the accurate quantification of surface-enhanced-fluorescence arising from adhering bacteria offers a new pathway for evaluating bacterial cell surface deformation during adhesion. (mendeley.com)
  • Cell adhesion experiments were carried out at three different ionic strengths. (aalto.fi)
  • These differences in initial cell adhesion rates demonstrate that choice of laboratory water can significantly impact the results of bacterial adhesion on NF membranes. (ucd.ie)
  • 2 subunit of leukocyte integrins results in abnormal cell-cell and cell extracellular matrix adhesion. (clinicaltrials.gov)
  • We previously showed a new method for bacterial cell immobilization using AtaA, a member of the trimeric autotransporter adhesin family found in Acinetobacter sp. (biomedcentral.com)
  • There is accumulating evidence that through subinhibitory concentrations (sub-MICs) of many antibiotics do not kill bacteria, they are able to interfere with some important aspects of bacterial cell function. (bvsalud.org)
  • Research on Bioadhesion includes research on describing bacterial transport, reducing cell adhesion by enhancing cell transport for the purposes of bioremediation by bioaugmentation, and our more recent work on a molecular-level analysis of bioadhesion. (psu.edu)
  • A key step in cell migration is the dynamic formation and disassembly of adhesions at the front and the concomitant movement and release of adhesions in the rear of the cell. (biologists.org)
  • Fibroblasts maintained in the absence of serum have stable adhesions within the rear of the cell and exhibit reduced trailing-edge retraction resulting in an elongated cell phenotype. (biologists.org)
  • Addition of lysophosphatidic acid (LPA) induced the movement of adhesions and retraction of the trailing edge, thus mimicking tail retraction in a migrating cell. (biologists.org)
  • Downregulation of FAK by small interfering RNAs or small hairpin RNAs blocked LPA-induced adhesion movement and restoration of cell shape. (biologists.org)
  • Once formed, these adhesions must be strong enough to generate traction forces necessary to support translocation of the cell body. (biologists.org)
  • GTRAP48 (rat)] in the regulation of adhesion movement, trailing-edge retraction and cell-shape change. (biologists.org)
  • We observed that maintaining fibroblasts in the absence of serum results in stabilization of adhesions within the rear of the cell, and significantly reduced trailing-edge retraction resulting in an elongated cell phenotype. (biologists.org)
  • A larger diameter is helpful for single cell adhesion experiments, whereas a smaller diameter provides good opportunities for nanolithography and handling of sub-micron objects. (wikipedia.org)
  • In addition to standard AFM experiments, FluidFM provides the possibility to perform countless other applications, such as single cell injection and adhesion as well as nanolithography and spotting. (wikipedia.org)
  • Journal of Orthopaedic Surgery and Research (2018) 13:139 Page 2 of 10 (AMP), or inorganic ions are either bactericidal on contact forsythiaside concentration that inhibited bacterial or locally release antibacterial agents. (deepdyve.com)
  • In order to dissect the adhesion mechanism, the Blue Waters supercomputer at the University of Illinois, with its 900,000 processors one of the most advanced in the world, carried out detailed molecular dynamics simulations. (uni-muenchen.de)
  • Taking organic coal as a seed lender of bacterial strains able to degrade lignin that is with molecular structure similar to coal components, we isolated 393 and 483 bacterial strains from a meager lean coal sample from Hancheng coalbed and a brown coal sample from Bayannaoer coalbed, respectively, by using different media. (gonzalezgass.com)
  • 2011). Since the molecular structure of coal components are similar to that of lignin, natural coal could be used a seed lender of bacterial strains Epothilone B (Cai et al. (gonzalezgass.com)
  • In this thesis, an experimental setup of a force measuring optical tweezers system and the results of a number of biomechanical investigations of adhesive bacterial organelles are presented. (diva-portal.org)
  • Bacterial resistance to antibiotics is increasing at a high rate in both developing and developed countries. (diva-portal.org)
  • Insight into the mechanisms underlying bacterial adhesion is critical to the formulation of membrane biofouling control strategies. (umn.edu)
  • Although there are several examples of effective strategies to prevent bacterial adhesion, the effect of the wetting properties on the coating was rarely considered as a crucial factor. (rsc.org)
  • Bacterial life within the host requires the expression of genes with roles in nutrient acquisition as well as the biosynthesis of bacterial products required to support intracellular growth. (pubmedcentralcanada.ca)
  • Electrophoretic mobility and hydrophobicity as a measured to predict the initial steps of bacterial adhesion. (semanticscholar.org)
  • However, there has been no study investigating the link of heat/laser-induced changes of physicochemical properties to bacterial adhesion. (nus.edu.sg)
  • Secondly, the physicochemical properties of three bacterial strains were different. (nus.edu.sg)
  • The adhesive properties of eDNA in mediating initial adhesion of S. xylosus is thus highly versatile, but also dependent on the physicochemical properties of the surface and ionic strength of the surrounding medium. (aalto.fi)
  • We show that hydrophilic polydopamine (PDA) coatings decrease bacterial adhesion forces at short bacterium-membrane contact times. (umn.edu)
  • Nanoscale adhesion forces of bacteria to enamel were quantified by atomic force microscopy. (nus.edu.sg)
  • The aim of this study is to evaluate the differences in bacterial adhesion between a machined titanium surface, a double acid etched surface (Osseotite®) and an Osseotite surface with Nanometer-scale Discrete Crystalline Deposition (DCD™) of calcium phosphate (CaP)(Nanotite®).Methods: Surface roughness properties of each sample were determined by a laser profilometer and scanning electron microscopy (SEM) observation. (unipv.it)
  • Investigation of the effect of adhesion contact time revealed that PDA coatings are less effective at preventing bioadhesion when the contact time is prolonged to 2-5 s, or when the membranes are exposed to bacterial suspensions under stirring. (umn.edu)
  • The compacted membranes were also employed as substrata for monitoring the initial adhesion of Ps. (ucd.ie)
  • Certain anaerobic bacterial species tend to predominate the vaginal flora during bacterial vaginosis (BV), with Gardnerella vaginalis being the most common. (mdpi.com)
  • This invention relates to a method for coating a medical device comprising the steps of applying to at least a portion of the surface of said medical device, an antimicrobial coating layer and a non-pathogenic bacterial coating layer, wherein the antimicrobial and non-pathogenic bacterial coating layers. (google.com.au)
  • Surface adhesion of bacteria generally occurs in the presence of shear stress, and the lifetime of receptor bonds is expected to be shortened in the presence of external force. (nih.gov)
  • The adhesion and antagonistic potential of the probiotic strains were significantly decreased upon exposure to 5 M LiCl, showing that surface molecules, proteinaceous in nature, are involved. (frontiersin.org)