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The role of bacterial surface polymers in the adhesion of freshwater bacteria to solid surfaces
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Pringle, James Howard (1984) The role of bacterial surface polymers in the adhesion of freshwater bacteria to solid surfaces. PhD thesis, University of Warwick.
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Official URL: http://webcat.warwick.ac.uk/record=b1464438~S9
Abstract
In the study of the mechanism of non-specific permanent
adhesion of bacteria at the solid-liquid interface a number
of alternative approaches have been used. These include;
the use of thermodynamic models, to explain observations of
biocontact phenomenal the use of disruptive chemicals, enzymes and electronnicroscopy to investigate the nature of the adhesive bond and finally the biochemical analysis of cell surface components possibly involved in the process. In this study all three approaches were combined in an investigation of the role of cell surface components on the attachment of freshwater organisms to solid surfaces. A thermodynamic relationship was found using attachment assays on a number of freshwater isolates emphasising the influence of water on the adhesive process.
Further investigations of phenotypic changes in membrane surface composition of a number of Pseudomonas isolates using continuous culture demonstrated the involvement of polysaccharide in the inhibition of adhesion. A number of adhesion mutants were analysed for genotypic changes in outer membrane proteins, lipopolysaccharides and exopolysaccharides which also confirmed the inhibitory role of polysaccharides. The results demonstrate the role of cell surface characteristics in the adaptability of the organism to micro-environments such as a solid/liquid or air/liquid interface or the aqueous phase.
| Item Type: | Thesis or Dissertation (PhD) | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QR Microbiology | ||||
| Library of Congress Subject Headings (LCSH): | Bacteria -- Adhesion, Pseudomonas -- Physiology, Biopolymers -- Research, Bacteria -- Physiology -- Research | ||||
| Official Date: | 1984 | ||||
| Dates: |
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| Institution: | University of Warwick | ||||
| Theses Department: | Department of Biological Sciences | ||||
| Thesis Type: | PhD | ||||
| Publication Status: | Unpublished | ||||
| Supervisor(s)/Advisor: | Fletcher, Madilyn | ||||
| Format of File: | |||||
| Extent: | 386 leaves : charts | ||||
| Language: | eng |
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