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A biomolecular isolation framework for eco-systems biology
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A biomolecular isolation framework for eco-systems biology
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Journal Article
A biomolecular isolation framework for eco-systems biology
2013
Overview
Mixed microbial communities are complex, dynamic and heterogeneous. It is therefore essential that biomolecular fractions obtained for high-throughput omic analyses are representative of single samples to facilitate meaningful data integration, analysis and modeling. We have developed a new methodological framework for the reproducible isolation of high-quality genomic DNA, large and small RNA, proteins, and polar and non-polar metabolites from single unique mixed microbial community samples. The methodology is based around reproducible cryogenic sample preservation and cell lysis. Metabolites are extracted first using organic solvents, followed by the sequential isolation of nucleic acids and proteins using chromatographic spin columns. The methodology was validated by comparison to traditional dedicated and simultaneous biomolecular isolation methods. To prove the broad applicability of the methodology, we applied it to microbial consortia of biotechnological, environmental and biomedical research interest. The developed methodological framework lays the foundation for standardized molecular eco-systematic studies on a range of different microbial communities in the future.
Publisher
Nature Publishing Group UK,Oxford University Press,Nature Publishing Group
Subject
/ Biochemistry, Molecular Biology
/ Biomedical and Life Sciences
/ Chemical Fractionation - methods
/ DNA
/ DNA - isolation & purification
/ Ecology
/ Lipids - isolation & purification
/ Microbial Genetics and Genomics
/ Original
/ Proteins
/ Proteins - isolation & purification
/ RNA - isolation & purification
/ Solvents
