نتایج جستجو برای: extracellular polymeric substance
تعداد نتایج: 349426 فیلتر نتایج به سال:
A biofilm is complex aggregation of microorganisms growing on a solid substrate. These adherent cells are embedded within self-produced matrix of extracellular polymeric substance (EPS). Biofilms grow in the three stage process. Initially they get attached to the substratum, bacterial growth and division leads to colonization of the surrounding area and the formation of biofilms. Mature biofilm...
Bacteria usually exist in one of two states: planktonic, existing as free moving cell in the environment, or sessile, attached to a surface. Bacteria in the environment tend to form aggregates or colonies attached to the surface of non-living or living substrates. These aggregated cells secrete a glue-like substance primarily made of exopolysaccharide and proteins, called extracellular polymeri...
Antibody recognition force microscopy showed that OmcA and MtrC are expressed on the exterior surface of living Shewanella oneidensis MR-1 cells when Fe(III), including solid-phase hematite (Fe(2)O(3)), was the terminal electron acceptor. OmcA was localized to the interface between the cell and mineral. MtrC displayed a more uniform distribution across the cell surface. Both cytochromes were as...
BACKGROUND Although bacterial biofilm is recognized as an important contributor to chronic wound pathogenesis, differences in biofilm virulence between species have never been studied in vivo. STUDY DESIGN Dermal punch wounds in New Zealand white rabbit ears were inoculated with Klebsiella pneumoniae, Staphylococcus aureus, or Pseudomonas aeruginosa, or left uninfected as controls. In vivo bi...
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