Metabolism of dodecyldimethylamine by Pseudomonas MA3

Pseudomonas MA3 was isolated from activated sludge on the basis of its capacity to use dodecyldimethylamine as a sole carbon (C) and energy source. Dodecylamine, dodecanal, dodecanoic acid and acetic acid also supported growth of Pseudomonas MA3. Dodecyldimethylamine-grown cells oxidized a wide rang...

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Bibliographic Details
Published in:Applied microbiology and biotechnology 1994-10, Vol.42 (1), p.134-139
Main Authors: KROON, A. G. M, POMPER, M. A, VAN GINKEL, C. G
Format: Article
Language:English
Subjects:
Amines - metabolism
Biodegradation, Environmental
Biological and medical sciences
Biology of microorganisms of confirmed or potential industrial interest
Biotechnology
Environmental Pollutants - metabolism
Fundamental and applied biological sciences. Psychology
Mission oriented research
Models, Chemical
Oxidation-Reduction
Oxygen Consumption
Physiology and metabolism
Pseudomonas
Pseudomonas - growth & development
Pseudomonas - metabolism
Surface-Active Agents - metabolism
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Summary:Pseudomonas MA3 was isolated from activated sludge on the basis of its capacity to use dodecyldimethylamine as a sole carbon (C) and energy source. Dodecylamine, dodecanal, dodecanoic acid and acetic acid also supported growth of Pseudomonas MA3. Dodecyldimethylamine-grown cells oxidized a wide range of alkylamine derivatives, dodecanal, dodecanoic acid and acetic acid. Degradation of the alkyl chain of dodecyldimethylamine by Pseudomonas MA3 appeared from the stoichiometric liberation of dimethylamine. A dehydrogenase catalysed the cleavage of the Calkyl-N bond. The first intermediate of the proposed degradation pathway, dodecanal, accumulated in the presence of decanal used as a competitive inhibitor. The second intermediate, dodecanoic acid, was formed in the presence of acrylic acid during the degradation of dodecyldimethylamine. Dodecanal was converted into dodecanoic acid by a dehydrogenase and dodecanoic acid was then degraded via the beta oxidation pathway.
ISSN:0175-7598
1432-0614
DOI:10.1007/BF00170236