Ukr.Biochem.J. 2014; Volume 86, Issue 5, Sep-Oct, pp. 89-94

doi: https://doi.org/10.15407/ubj86.05.089

Relationship between RNA/DNA ratio, growth rate and accumulation of selenium in the cells of wheat leaves under the influence of minerals analcime and trepel

26.06.2015   Uncategorized   No comments

O. I. Martynenko1, T. K. Kyrylenko1, N. V. Zaimenko2, M. M. Antonyuk3,
A. V. Stepanyugin1, D. P. Plodnik4, D. M. Hovorun1,4

1Institute of Molecular Biology and Genetics, National Academy of Sciences of Ukraine, Kyiv;
2M. M. Gryshko National Botanical Gardens, National Academy of Sciences of Ukraine, Kyiv;
3National University of Food Technonogies, Kyiv, Ukraine;
4Institute of High Technologies, Taras Shevchenko National University of Kyiv, Ukraine;
e-mail: Martynenko.Olena@gmail.com

We studied specific effects of different doses of natural minerals – analcime (An) and trepel (Tr) – on the growth rate, selenium (Se) content and functional activity of the genome of wheat leaves measured by the RNA/DNA ratio. Our results show that under the influence of An and Tr, especially at low doses (25 mg/100 g sand), there is a significant increase in the content of Se, increased growth rate of leaves of wheat seedlings and decreased RNA/DNA ratio. We have found significant correlations between studied parameters. Our fin­dings suggest that the RNA/DNA ratio can be used as a convenient, reliable indicator of the biological activity of minerals An and Tr, and for quantitative express-estimation of their impact on plant organisms.

Keywords: , , ,

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