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Rapid method for coextraction of DNA and RNA from natural environments for analysis of ribosomal DNA- and rRNA-based microbial community composition

By Robert I. Griffiths, Andrew S. Whiteley, Anthony G. O'Donnell and Mark J. Bailey


A rapid protocol for the extraction of total nucleic acids from environmental samples is described. The\ud method facilitates concomitant assessment of microbial 16S rRNA diversity by PCR and reverse transcription-\ud PCR amplification from a single extraction. Denaturing gradient gel electrophoresis microbial community\ud analysis differentiated the active component (rRNA derived) from the total bacterial diversity (ribosomal DNA\ud derived) down the horizons of an established grassland soil

Topics: Biology and Microbiology
Year: 2000
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