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Comparisons of different RNA extraction methods on woody tissues of the tropical tree, Aquilaria malaccensis


Citation

Siah, Chai Har and Namasivayam, Parameswari and Mohamed, Rozi (2012) Comparisons of different RNA extraction methods on woody tissues of the tropical tree, Aquilaria malaccensis. Asia Pacific Journal of Molecular Biology and Biotechnology, 20 (3). pp. 107-113. ISSN 0128-7451

Abstract / Synopsis

Aquilaria malaccensis (karas) produces oleoresin in its wood (known as agarwood) when responding to wounding and microbial infection. Wood tissues are known to contain high levels of polysaccharides, polyphenolics and secondary metabolites, which make RNA extraction challenging. In this work, six different methods for extracting RNA from wood tissues of A. malaccensis were compared. RNA yield, purity, and integrity number, were used as parameters to evaluate the efficiency of each method. Conventional methods yielded RNA with good purity but the RNA integrity was poor. The commercial RNeasy Plant Mini kit protocol was modified by means of scaling-up the reaction and combining all aliquots in the same RNeasy spin column, and yielded the highest yield while maintaining the integrity of the RNA. We found that this kit with some modifications was most suitable for extracting RNA from healthy wood and agarwood. This study is essential for future molecular studies on agarwood.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Biotechnology and Biomolecular Sciences
Faculty of Forestry
Institute of Tropical Agriculture
Publisher: Malaysian Society for Molecular Biology and Biotechnology
Keywords: Agarwood; Aquilaria; Gaharu; Karas; RNA
Depositing User: Nabilah Mustapa
Date Deposited: 19 Jan 2018 15:54
Last Modified: 19 Jan 2018 15:54
URI: http://psasir.upm.edu.my/id/eprint/58500
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