Evaluation of Soil DNA from Arable Land in Japan Using a Modified Direct-extraction Method
スポンサーリンク
概要
- 論文の詳細を見る
Using a widely used commercial DNA extraction kit and a newly modified direct DNA extraction method proposed in this report, soil DNA was extracted from arable land in diverse geological locations in Japan and the quality and quantity of the DNA were examined. A modified direct DNA extraction method was developed, consisting of one-step extraction and two-step purification using potassium acetate and a DEAE-cellulose column, respectively, and designated as a DSPD (Differential Salt Precipitation and DEAE-cellulose) method. The total time needed to process six soil samples with this method was less than two hours, including the time taken to set up the DEAE-cellulose columns. Other advantages of our DSPD method are the use of non-hazardous reagents and running costs only 5-10% of the commercial kits currently used in soil microbiological research. This DSPD method was tested using 24 soil samples collected from diverse locations in Japan and showed that it is a reliable technique for DNA extraction from a wide range of soil types when compared with commercial DNA extraction kits. This DSPD method will therefore contribute to the molecular and genomic analyses of microbial populations and ecosystems that require numerous samples of soil DNA.
- 日本微生物生態学会の論文
著者
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WATANABE Kazuo
Gene Research Center and Graduate School of Life and Environmental Sciences, University of Tsukuba
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MINAMISAWA KIWAMU
Graduate School of Life Sciences, Tohoku University
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Ikeda Seishi
Gene Research Center, Graduate School of Life and Environmental Sciences, University of Tsukuba
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Ikeda Soichiro
Aspex Division Asahi Glass Co. Ltd.
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Watanabe K
Gene Research Center University Of Tsukuba
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YTOW NOZOMI
Gene Research Center, University of Tsukuba
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Ikeda Seishi
Gene Research Center Graduate School Of Life And Environmental Sciences University Of Tsukuba
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Minamisawa Kiwamu
Graduate School Of Life Sciences Tohoku Univ.
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Ytow Nozomi
Gene Research Center University Of Tsukuba
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Ytow N
Gene Research Center University Of Tsukuba
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Watanabe Kazuo
Gene Res. Center Graduate School Of Life And Environmental Sciences Univ. Of Tsukuba
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Minamisawa Kiwamu
Graduate School of Life Science, Tohoku University
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