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Efficient isolation of high quality nucleic acids from different tissues of Taxus baccata L.

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Abstract

Improved and efficient methods were developed for isolating high quality DNA and RNA from different sources of Iranian Yew (Taxus baccata L.). The methods were based on CTAB extraction buffer added with high levels of polyvinylpyrrolidone (PVP) and β-mercaptoethanol to properly remove polysaccharides and prevent oxidation of phenolics. The pellets obtained by ethanol precipitation were washed only with Chloroform: isoamyl alcohol (24:1). So, we could successfully eliminate the dangerous phenol/chloroform extraction steps from the isolation procedure. Both spectrophotometric (A260/A280 and A260/A230 ratios) and agarose electrophoresis analysis of isolated nucleic acids (DNA and RNA) indicated good results. DNA with the average yield of 100–300 μg/g leaf and stem tissue and total RNA with an average yield of 20–30 μg/g cell culture and 80–100 μg/g leaf and stem tissue of Iranian yew could be obtained. Successful amplification of pam and pds by PCR and RT-PCR, showed the integrity of isolated DNA and RNA, respectively.

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Acknowledgments

Special thanks are extended to Dr. M. Shariati, E. Roholamin and G. R. Kazemi for their helpful suggestions. This work was supported by Agricultural Biotechnology Research Institute, Central Region of Iran (ABRICI) and Agricultural Research and Education Organization of Iran (AREO).

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Authors and Affiliations

  1. Agricultural Biotechnology Research Institute-Central Region of Iran (ABRICI), Isfahan, Iran

    Abolghasem Abbasi Kejani, Sayed Ali Hosseini Tafreshi, Sayed Mojtaba Khayyam Nekouei & Mohammad Reza Mofid

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  1. Abolghasem Abbasi Kejani
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  2. Sayed Ali Hosseini Tafreshi
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  3. Sayed Mojtaba Khayyam Nekouei
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  4. Mohammad Reza Mofid
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Correspondence to Mohammad Reza Mofid.

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Abbasi Kejani, A., Hosseini Tafreshi, S.A., Khayyam Nekouei, S.M. et al. Efficient isolation of high quality nucleic acids from different tissues of Taxus baccata L.. Mol Biol Rep 37, 797–800 (2010). https://doi.org/10.1007/s11033-009-9607-2

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  • DOI: https://doi.org/10.1007/s11033-009-9607-2

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