AEROBIC DEGRADATION OF CHOLINE: II. SOME PROPERTIES OF WHOLE CELLS AND CELL-FREE EXTRACTS OF ACHROMOBACTER CHOLINOPHAGUM
- 1 April 1965
- journal article
- research article
- Published by Canadian Science Publishing in Canadian Journal of Microbiology
- Vol. 11 (2) , 375-379
- https://doi.org/10.1139/m65-045
Abstract
The complete utilization of choline and the accumulation of ammonia by resting cells of Achromobacter cholinophagum has been demonstrated. Betaine was isolated as betaine reineckate from incubation mixtures and shown to be the initial product of choline oxidation. Formaldehyde was demonstrated as an intermediate of betaine, dimethylglycine, or sarcosine oxidation. Serine was shown to be a metabolite and assayed quantitatively by oxidation with periodate. Pyruvic acid, formed from serine by cell-free extracts, was isolated as the 2,4-dinitrophenylhydrazone.Keywords
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