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August 02, 2010
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Summary
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DNA stable-isotope probing is a cultivation-independent method to identify and characterize active communities of microorganisms that are capable of utilizing specific substrates. Assimilation of substrate enriched in heavy isotope leads to incorporation of labelled atoms into microbial biomass. Density gradient ultracentrifugation retrieves labelled DNA for downstream molecular analyses.
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Cite this Article
Dunford, E. A., Neufeld, J. D. DNA Stable-Isotope Probing (DNA-SIP). J. Vis. Exp. (42), e2027, doi:10.3791/2027 (2010).
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