Changes in mitochondrial shape in wheat root cells exposed to mitochondrial poisons

Changes in mitochondrial shape in wheat root cells exposed to mitochondrial poisons It is found that mitochondrial poisons not only modify the functional activity of the organelles but also change the shape of some mitochondria. The ring-shaped organelles were found to appear in root cells of 5- to 6-day-old seedlings of spring wheat (Triticum aestivum L., cvs. Moskovskaya 35 and Lyuba). Using a technique of serial sections, we have shown that the circular profiles of mitochondria within the cell correspond in most cases to bowl-shaped organelles. Spatial reorganization of mitochondria did not depend directly on the respiration rate, duration of exposure to inhibitors, and inhibitor specificity. These observations indicate the reversibility of spatial rearrangements and general nonspecific nature of the detected morphological changes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Changes in mitochondrial shape in wheat root cells exposed to mitochondrial poisons

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Publisher
Springer Journals
Copyright
Copyright © 2012 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443712030144
Publisher site
See Article on Publisher Site

Abstract

It is found that mitochondrial poisons not only modify the functional activity of the organelles but also change the shape of some mitochondria. The ring-shaped organelles were found to appear in root cells of 5- to 6-day-old seedlings of spring wheat (Triticum aestivum L., cvs. Moskovskaya 35 and Lyuba). Using a technique of serial sections, we have shown that the circular profiles of mitochondria within the cell correspond in most cases to bowl-shaped organelles. Spatial reorganization of mitochondria did not depend directly on the respiration rate, duration of exposure to inhibitors, and inhibitor specificity. These observations indicate the reversibility of spatial rearrangements and general nonspecific nature of the detected morphological changes.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Apr 15, 2012

References

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