Mitochondria-targeted antioxidant provides for enhanced morphogenetic potential in plant tissue cultures

Mitochondria-targeted antioxidant provides for enhanced morphogenetic potential in plant tissue... An ability to regenerate plants from tissue cultures is important for biotechnology; however, many species and cultivars a have low morphogenetic potential. Since oxidative stress is one of the factors affecting morphogenesis, we assessed an ability of a membrane-penetrating mitochondria-targeted antioxidant SkQ1 to improve plant regeneration from cultured tissues of Zea mays L., Triticum aestivum L., Saccharum officinarum L., Medicago falcate L., and M. glutinosa M.Bieb. SkQ1 at nanomolar concentrations was found to stimulate both the set of morphogenenic structures and their subsequent development with the formation of plantlets of all plant species tested. SkQ1 constituents, dodecylplastoquinone and dodecyltriphenylphosphonium, could also exert stimulatory effects on plant regeneration from morphogenic callus, although these effects were less prominent than that of SkQ1. SkQ1-mediated stimulation was most pronounced (up to sevenfold) for cultured tissues with a low morphogenetic potential. The observed properties of SkQ1 suggest its possible application in promoting morphogenesis in a wide range of genotypes. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Mitochondria-targeted antioxidant provides for enhanced morphogenetic potential in plant tissue cultures

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Publisher
Springer US
Copyright
Copyright © 2013 by Pleiades Publishing, Ltd.
Subject
Life Sciences; Plant Physiology; Plant Sciences
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1134/S1021443713030060
Publisher site
See Article on Publisher Site

Abstract

An ability to regenerate plants from tissue cultures is important for biotechnology; however, many species and cultivars a have low morphogenetic potential. Since oxidative stress is one of the factors affecting morphogenesis, we assessed an ability of a membrane-penetrating mitochondria-targeted antioxidant SkQ1 to improve plant regeneration from cultured tissues of Zea mays L., Triticum aestivum L., Saccharum officinarum L., Medicago falcate L., and M. glutinosa M.Bieb. SkQ1 at nanomolar concentrations was found to stimulate both the set of morphogenenic structures and their subsequent development with the formation of plantlets of all plant species tested. SkQ1 constituents, dodecylplastoquinone and dodecyltriphenylphosphonium, could also exert stimulatory effects on plant regeneration from morphogenic callus, although these effects were less prominent than that of SkQ1. SkQ1-mediated stimulation was most pronounced (up to sevenfold) for cultured tissues with a low morphogenetic potential. The observed properties of SkQ1 suggest its possible application in promoting morphogenesis in a wide range of genotypes.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Aug 14, 2013

References

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