Related Experiment Videos
Bioaugmentation for bioremediation: the challenge of strain selection
Ian P Thompson1, Christopher J van der Gast, Lena Ciric
1Environmental Biotechnology Section, NERC Centre for Ecology and Hydrology - Oxford, Mansfield Road, Oxford, OX1 3SR, UK. ipt@ceh.ac.uk
Environmental Microbiology
|June 11, 2005
Summary
Bioaugmentation for bioremediation is unreliable due to poor microbial strain selection. New molecular methods improve selection by assessing in situ functional diversity and distribution, leading to better bioaugmentation performance.
Area of Science:
- Environmental microbiology
- Bioremediation technologies
Background:
- Bioaugmentation is a widely used bioremediation technique.
- Its application is controversial due to inconsistent performance.
- Current strain selection focuses on metabolic capability, neglecting other crucial factors.
Purpose of the Study:
- To address the unreliability of bioaugmentation.
- To highlight the importance of improved microbial strain selection.
- To introduce advanced methods for selecting effective microbial strains.
Main Methods:
- Review of traditional strain selection methods.
- Discussion of technical advances in molecular biology and analytical chemistry.
- In situ assessment of microbial community functional diversity and spatial distribution.
Main Results:
- Traditional strain selection is inadequate.
- Molecular tools allow for cell-level differentiation of microbial populations.
- Information-based selection improves functional activity and persistence in target environments.
Conclusions:
- Improved microbial strain selection is key to successful bioaugmentation.
- Advanced molecular and analytical techniques offer new opportunities for optimizing strain selection.
- An information-based approach surpasses the traditional 'black-box' method for enhanced bioremediation outcomes.