Journal
BIORESOURCE TECHNOLOGY
Volume 186, Issue -, Pages 192-199Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.02.111
Keywords
Bioaugmentation; In situ activity; BTEX; Survival; Pseudomonas monteilii
Funding
- Novozymes Biologicals Inc.
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Successful application of bioaugmentation for enhanced degradation of environmental pollutants is often limited by the lack of methods to monitor the survival and activity of individual bioaugmentation strains. However, recent advancements in sequencing technologies and molecular techniques now allow us to address these limitations. Here a complementing set of general applicable molecular methods are presented that provides detailed information on the performance of individual bioaugmentation strains under in situ conditions. The approach involves genome sequencing to establish highly specific qPCR and RT-qPCR tools for cell enumerations and expression of involved genes, stable isotope probing to follow growth on the target compounds and GFP-tagging to visualize the bioaugmentation strains directly in samples, all in combination with removal studies of the target compounds. The concept of the approach is demonstrated through a case study involving degradation of aromatic hydrocarbons in activated sludge augmented with the bioaugmentation strain Pseudomonas monteilii SB3078. (C) 2015 Elsevier Ltd. All rights reserved.
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