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Review
, 42 (3), 513-37

Evaluation of Molecular Methods Used for Establishing the Interactions and Functions of Microorganisms in Anaerobic Bioreactors

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Review

Evaluation of Molecular Methods Used for Establishing the Interactions and Functions of Microorganisms in Anaerobic Bioreactors

G Talbot et al. Water Res.

Abstract

Molecular techniques have unveiled the complexity of the microbial consortium in anaerobic bioreactors and revealed the presence of several uncultivated species. This paper presents a review of the panoply of classical and recent molecular approaches and multivariate analyses that have been, or might be used to establish the interactions and functions of these anaerobic microorganisms. Most of the molecular approaches used so far are based on the analysis of small subunit ribosomal RNA but recent studies also use quantification of functional gene expressions. There are now several studies that have developed quantitative real-time PCR assays to investigate methanogens. With a view to improving the stability and performance of bioreactors, monitoring with molecular methods is also discussed. Advances in metagenomics and proteomics will lead to the development of promising lab-on chip technologies for cost-effective monitoring.

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