Molecular Biotechnology

, Volume 51, Issue 3, pp 247–253 | Cite as

A Rapid and Efficient Method for Isolating High Quality DNA from Leaves of Carnivorous Plants from the Drosera Genus

  • Flore Biteau
  • Estelle Nisse
  • Alain Hehn
  • Sissi Miguel
  • Paul Hannewald
  • Frédéric Bourgaud


Drosera rotundifolia, Drosera capensis, and Drosera regia are carnivorous plants of the sundew family, characterized by the presence of stalked and sticky glands on the upper leaf surface, to attract, trap, and digest insects. These plants contain exceptionally high amounts of polysaccharides, polyphenols, and other secondary metabolites that interfere with DNA isolation and subsequent enzymatic reactions such as PCR amplification. We present here a protocol for quick isolation of Drosera DNA with high yield and a high level of purity, by combining a borate extraction buffer with a commercial DNA extraction kit, and a proteinase K treatment during extraction. The yield of genomic DNA is from 13.36 μg/g of fresh weight to 35.29 μg/g depending of the species of Drosera, with a A 260/A 280 ratio of 1.43–1.92. Moreover, the procedure is quick and can be completed in 2.5 h.


Drosera rotundifolia Drosera regia Drosera capensis DNA isolation Hot borate Polyphenols Polysaccharides 



Ethylene glycol bis(beta-aminoethylether)-NN′-tetraacetic acid


Sodium dodecyl sulfate







This study was a part of the Bioprolor project financed by Conseil Regional de Lorraine.


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Flore Biteau
    • 1
  • Estelle Nisse
    • 2
  • Alain Hehn
    • 1
  • Sissi Miguel
    • 2
  • Paul Hannewald
    • 2
  • Frédéric Bourgaud
    • 1
  1. 1.UMR 1121 Nancy-Université (INPL)—INRA Agronomie et Environnement Nancy-ColmarVandœuvre-lès-NancyFrance
  2. 2.Plant Advanced Technologies SAVandœuvre-lès-NancyFrance

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