Effect of cadmium on the phenolic compounds formation in the callus cultures derived from various organs of the tea plant

Effect of cadmium on the phenolic compounds formation in the callus cultures derived from various... The effects of cadmium (6.3 × 10−5 M or 10.6 × 10−5 M) on the growth of tea plant (Camellia sinensis L.) callus cultures derived from leaves, stems, and roots and on the formation, in these cultures, of phenolic compounds, including flavans and lignin, which are characteristic of the tea plant, were investigated. In the calli derived from leaves and stems, cadmium treatment decreased the biomass increment, while in the calli derived from roots, growth characteristics remained at the control level. Under the effect of cadmium, the content of phenolic compounds, including flavans, in the leaf calli decreased, while in the stem and root calli, it either increased (at the cadmium concentration of 6.3 × 10−5 M), or was close to a control one (at the cadmium concentration of 10.6 × 10−5 M). The lignin content in the root and stem calli increased, but it did not change in the leaf calli. All this data demonstrate that the cadmium-induced changes in phenolic metabolism of the tea plant callus culture depended both on the cadmium concentration in the medium and on the origin of calli. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Effect of cadmium on the phenolic compounds formation in the callus cultures derived from various organs of the tea plant

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Publisher
Springer Journals
Copyright
Copyright © 2007 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443707020124
Publisher site
See Article on Publisher Site

Abstract

The effects of cadmium (6.3 × 10−5 M or 10.6 × 10−5 M) on the growth of tea plant (Camellia sinensis L.) callus cultures derived from leaves, stems, and roots and on the formation, in these cultures, of phenolic compounds, including flavans and lignin, which are characteristic of the tea plant, were investigated. In the calli derived from leaves and stems, cadmium treatment decreased the biomass increment, while in the calli derived from roots, growth characteristics remained at the control level. Under the effect of cadmium, the content of phenolic compounds, including flavans, in the leaf calli decreased, while in the stem and root calli, it either increased (at the cadmium concentration of 6.3 × 10−5 M), or was close to a control one (at the cadmium concentration of 10.6 × 10−5 M). The lignin content in the root and stem calli increased, but it did not change in the leaf calli. All this data demonstrate that the cadmium-induced changes in phenolic metabolism of the tea plant callus culture depended both on the cadmium concentration in the medium and on the origin of calli.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Mar 20, 2007

References

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