Degradation of long chain n-alkanes by Chlorococcales |
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Authors: | Elisabeth Schröder H. J. Rehm |
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Affiliation: | (1) Institut für Mikrobiologie, Universität Münster, D-4400 Münster, Federal Republic of Germany |
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Abstract: | Summary Four out of thirty-one algae strains belonging to the order Chlorococcales exhibited good growth on solid media containing n-alkanes. Chlorella vulgaris (397) was able to degrade n-tridecane in cooxidation. The corresponding secondary alcohols and ketones in C2-to C7-position could be identified in the culture broth. The same oxidation products could be found in the media of cultures grown in darkness with the addition of glucose. This demonstrates a subterminal degradation pathway of C. vulgaris.There was no indication for a mono-or diterminal oxidation of alkanes by algae.The fatty acid pattern of lipids exhibited an incease in long chain acids and a decrease in shorter chain acids. The growth rate of cells grown on alkanes increased after 72 h, but the release of autospores was retarded. |
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