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Natural abundance δ15N and δ13C of DNA extracted from soil

Citation

Steven Blazewicz, Stephen C Hart, Paul Dijkstra, Richard R Doucett, Egbert Schwartz, and Bruce A Hungate, Natural abundance δ15N and δ13C of DNA extracted from soil: .

Summary

We report the first simultaneous measurements of δ15N and δ13C of DNA extracted from surface soils. The isotopic composition of DNA differed significantly among nine different soils. The δ13C and δ15N of DNA was correlated with δ13C and δ15N of soil, respectively, suggesting that the isotopic composition of DNA is strongly influenced by the isotopic composition of soil organic matter. However, in all samples DNA was enriched in 13C relative to soil, indicating microorganisms fractionated C during assimilation or preferentially used 13C enriched substrates. Enrichment of DNA in 15N relative to soil was not consistently observed, but there were significant differences between δ15N of DNA and δ15N of soil for three different sites, [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS export <br> On - Tue May 10 11:03:18 CDT 2011

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Title Citation Natural abundance δ15N and δ13C of DNA extracted from soil

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