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Tributyl phosphate degradation by Serratia odorifera
Cécile Berne1, Blandine Montjarret, Yasmina Guountti
1CEA Cadarache, DSV DEVM LBC, Univ-Méditerranée CEA 1000, F-13108 Saint-Paul-lez-Durance, France.
Biotechnology Letters
|June 18, 2004
Summary
Serratia odorifera effectively degrades tributyl phosphate (TBP), a common pollutant, within 8 hours. While not a sole nutrient source, this bacterium shows promise for bioremediation of TBP-contaminated industrial sites.
Area of Science:
- Environmental Microbiology
- Bioremediation
- Organophosphorus Compound Degradation
Background:
- Tributyl phosphate (TBP) is a widely used organophosphorus compound, frequently found as a soil pollutant.
- Effective bioremediation strategies are needed to address TBP contamination in industrial sites.
Purpose of the Study:
- To isolate and screen soil microorganisms capable of degrading tributyl phosphate (TBP).
- To identify the most effective bacterial strain for TBP degradation and assess its potential for bioremediation.
Main Methods:
- Isolation and screening of microbial strains from TBP-polluted soils.
- Identification of the most active degrading strain using standard microbiological techniques.
- Quantification of TBP degradation by the selected strain under specific growth conditions.
Main Results:
- Several soil strains were screened for TBP degradation.
- Serratia odorifera was identified as the most active strain, degrading up to 600 microM TBP within 8 hours.
- Serratia odorifera could not utilize TBP as a sole carbon or phosphorus source.
Conclusions:
- Serratia odorifera demonstrates significant TBP degradation capabilities.
- Despite not utilizing TBP as a sole nutrient, Serratia odorifera is a promising candidate for the bioremediation of TBP-polluted industrial environments.