Protective effect of wheat germ agglutinin on the course of mitosis in the roots of Triticum aestivum seedlings exposed to cadmium

Protective effect of wheat germ agglutinin on the course of mitosis in the roots of Triticum... Effect of pretreatment with 28 nM wheat germ agglutinin (WGA) on cell divisions in the root apical meristem of 4-day-old seedlings of wheat (Triticum aestivum L.), distribution of cells among mitotic phases, cadmium-induced disruptions of normal progression through mitosis, and activity of nucleolar organizer regions (NOR) of the chromosomes was studied after 7-h-long exposure to 1 mM cadmium acetate. Pretreatment with WGA has a pronounced protective effect on divisions of root meristem cells exposed to cadmium. Progression of the cells through mitotic phases was normalized, abnormal mitoses became much less numerous, and the share of binuclear cells decreased. Activity of NOR remained at the control level that much depended on the ability of WGA to prevent reduction in cytokinin content under cadmium stress. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Protective effect of wheat germ agglutinin on the course of mitosis in the roots of Triticum aestivum seedlings exposed to cadmium

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Publisher
Pleiades Publishing
Copyright
Copyright © 2016 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S102144371603002X
Publisher site
See Article on Publisher Site

Abstract

Effect of pretreatment with 28 nM wheat germ agglutinin (WGA) on cell divisions in the root apical meristem of 4-day-old seedlings of wheat (Triticum aestivum L.), distribution of cells among mitotic phases, cadmium-induced disruptions of normal progression through mitosis, and activity of nucleolar organizer regions (NOR) of the chromosomes was studied after 7-h-long exposure to 1 mM cadmium acetate. Pretreatment with WGA has a pronounced protective effect on divisions of root meristem cells exposed to cadmium. Progression of the cells through mitotic phases was normalized, abnormal mitoses became much less numerous, and the share of binuclear cells decreased. Activity of NOR remained at the control level that much depended on the ability of WGA to prevent reduction in cytokinin content under cadmium stress.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: May 13, 2016

References

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