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Biodegradation of chlorinated aliphatic compounds
1Institute of Microbiology, ETH.Zentrum LFV, Zürich, Switzerland. leisinger@micro.biol.ethz.ch
Current Opinion in Biotechnology
|June 1, 1996
Summary
Researchers expanded the known bacterial growth substrates for chlorinated aliphatics and identified new aerobic co-metabolic transformation reactions. Understanding of anaerobic dehalogenation pathways also advanced, though aerobic biochemistry remains largely unexplored.
Area of Science:
- Environmental microbiology
- Biochemistry
- Bioremediation
Background:
- Chlorinated aliphatic compounds are environmental pollutants.
- Microbial degradation is a key remediation strategy.
- Previous research focused on specific degradation pathways.
Purpose of the Study:
- To document recent advancements in microbial degradation of chlorinated aliphatics.
- To highlight novel aerobic co-metabolic transformations.
- To summarize progress in understanding anaerobic dehalogenation.
Main Methods:
- Isolation and characterization of bacterial pure cultures.
- Enrichment of microbial consortia.
- Biochemical assays for transformation reactions.
Main Results:
- Expanded the range of chlorinated aliphatic growth substrates for bacteria.
- Reported novel aerobic co-metabolic transformation reactions.
- Made progress in understanding anaerobic dehalogenation mechanisms.
Conclusions:
- Significant progress in identifying microbial pathways for chlorinated aliphatic degradation.
- Aerobic degradation biochemistry requires further investigation.
- Anaerobic dehalogenation understanding is improving.