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The metabolism of gaseous n-alkanes by bacteria
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Stephens, Gillian Mary (1983) The metabolism of gaseous n-alkanes by bacteria. PhD thesis, University of Warwick.
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Official URL: http://webcat.warwick.ac.uk/record=b3224252~S15
Abstract
Ethane-and propane-utilising bacteria were Isolated from river-and pond-water samples and three of the strains Isolated were selected for detailed study. All three strains were tentatively identified as Arthrobacter spp. and differed in the ability to utilize potential intermediates of propane oxidation. Strain B3aP could not grow on propan-2-ol or acetone and was unable to oxidize acetone after growth on propane. Strain Br103 grew slowly on propan-2—ol and acetone but could not oxidize acetone after growth on propane. It was concluded that these two strains oxidized propane exclusively via the terminal oxidation pathway, i.e. via propanoate. Strain B2 could grow rapidly on propan-2—ol and acetone and was able to oxidise acetone rapidly sifter growth on propane. Intermediates of the terminal oxidation pathway were also oxidized rapidly and it was concluded that strain B2 oxidized propane via both the terminal and 3ubterminal oxidation pathways, i.e. via propanoate and via acetone. It was found that strains oxidizing propane exclusively via the terminal oxidation pathway excreted acetone during growth on propane whilst those strains that utilized the subterminal oxidation pathway did not excrete acetone. It is argued that propan-2—ol la produced fortuitously during propane oxidation and that an ability to oxidize propan-2-ol and acetone is not a prerequisite of propane utilization.
| Item Type: | Thesis (PhD) | ||||
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| Subjects: | Q Science > QD Chemistry Q Science > QR Microbiology |
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| Library of Congress Subject Headings (LCSH): | Arthrobacter, Ethanes, Propane -- Oxidation, Acetone | ||||
| Official Date: | 1983 | ||||
| Dates: |
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| Institution: | University of Warwick | ||||
| Theses Department: | Department of Biological Sciences | ||||
| Thesis Type: | PhD | ||||
| Publication Status: | Unpublished | ||||
| Supervisor(s)/Advisor: | Dalton, Howard ; Boyles, David T. (David Trevor) | ||||
| Sponsors: | Science and Engineering Research Council (Great Britain) | ||||
| Extent: | xiv, 179 leaves : illustrations, charts | ||||
| Language: | eng |
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