نتایج جستجو برای: bacteria attachment
تعداد نتایج: 223296 فیلتر نتایج به سال:
Attachment of bacteria to soil is an important component of bacterial fate and transport. Escherichia coli are commonly used as indicators of fecal contamination in the environment. Despite the fact that E. coli are derived exclusively from feces or manure, effect of the presence of manure colloids on bacteria attachment to agricultural soils was never directly studied. The objective of this wo...
Melioidosis is the term given to any infection caused by Burkholderia pseudomallei. This bacteria is one of the important causative agents of life-threatening pulmonary infections in the tropical and subtropical areas. The initiation of respiratory infections is attachment of this bacteria to pharyngeal cells. The precise mechanism of attachment of B. pseudomallei is not known. In this study, w...
Introduction A biofilm is an organizational community of bacteria adherent to a surface and encompassed in a self-fashioned exopolysaccharide matrix. Biofilm are complex communities of microorganisms that develop on surfaces in diverse environments. Bacteria in biofilms have an exclusive multicellular architecture and augmented resistance to host fortifications and antimicrobials. Biofilm was n...
Research on phagocytosis of bacteria is often hampered by the inability to distinguish quantitatively between bacteria that have been ingested by phagocytic cells and those which are attached to the surface of the cells. A method using the enzyme-linked immunosorbent assay technique to simply and accurately measure the rate of bacterial ingestion by phagocytic cells is described. The method is ...
Colonization of the human small intestine by Vibrio cholerae is an essential step in pathogenesis that requires the type IV toxin-coregulated pilus (TCP). To date, three functions of TCP have been characterized: it serves as the CTXΦ receptor, secretes the colonization factor TcpF, and functions in microcolony formation by mediating bacterium-bacterium interactions. Although type IV pili in oth...
We report an interesting observation of minimization of bacterial attachment on titanium nitride coatings of increased thickness. DC magnetron sputtering method was used to prepare titanium nitride coatings of different thickness and the attachment of an oral bacteria Porphyromonas gingivalis was studied. With increase in thickness of the coatings the particle size increased and the order of ba...
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