Journal
MICROBIOLOGY
Volume 80, Issue 3, Pages 335-340Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0026261711030076
Keywords
phosphonoacetaldehyde dehydrogenase; phosphonoacetate biosynthesis; 2-aminoethylphosphonate
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Funding
- Invest Northern Ireland
- European Social Fund
- CONACYT: Mexican National Council on Science and Technology
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A novel phosphonoacetaldehyde-oxidizing activity was detected in cell-extracts of the marine bacterium Roseovarius nubinhibens ISM grown on 2-aminoethylphosphonic acid (2-AEP; ciliatine). Extracts also contained 2-AEP transaminase and phosphonoacetate hydrolase activities. These findings indicate the existence of a biological route from 2-AEP via phosphonoacetaldehyde for the production of phosphonoacetate, which has not previously been shown to be a natural product. The three enzymes appear to constitute a previously-unreported pathway for the mineralization of 2-AEP which is a potentially important source of phosphorus in the nutrient-stressed marine environment.
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