Introduction to nucleic acids in the environment : methods and applications / J.T. Trevors and J.D. van Elsas -- Recovery of bacterial cells from soil / L.R. Bakken and V. Lindahl -- Extraction, purification, and analysis of DNA from soil bacteria / V. Torsvik, F.L. Daae and J. Goks²yr -- Extraction and analysis of microbial DNA from soil / A. Saano [and others] -- Extraction and amplification of DNA from the rhizosphere and rhizoplane of plants / K. Leung, J.T. Trevors and J.D. van Elsas -- Extraction of DNA from the phyllosphere / M.J. Bailey -- Specific DNA sequences for detection of soil bacteria / X. Nesme, C. Picard and P. Simonet -- PCR amplification of DNA from root nodules / I.L. Pepper and S.D. Pillai -- Extraction of DNA and RNA from aquatic environments / J.H. Paul and S.L. Pichard -- PCR amplifications of DNA recovered from the aquatic environment / A.K. Bej -- Extraction and amplification of 16S rRNA genes from deep marine sediments and seawater to assess bacterial community diversity / P.A. Rochelle [and others] -- Application of the PCR for detection of antibiotic resistance genes in environmental samples / K. Smalla and J.D. van Elsas.