Protein composition of tobacco leaves with antiviral resistance induced by activators of defense responses and TMV infection

Protein composition of tobacco leaves with antiviral resistance induced by activators of defense... In tobacco (Nicotiana tabacum L.) plants of hypersensitive cv. Samsun NN, a capability of necrosis lesion formation and protein patterns were studied after induction of antiviral resistance by defense responses activators (DRA) (arachidonic acid, ubiquinone 50, and vitamin E) and by infection with tobacco mosaic virus (TMV). DRA and TMV improved both local and systemic leaf resistance to TMV. Native protein electrophoresis demonstrated differences in the composition of leaf proteins extracted under acidic and alkaline conditions. SDS-PAGE revealed proteins accumulated during the development of systemic antiviral resistance after lower leaf treatments with DRA and of local resistance induced by pretreatment with TMV. It was shown that various DRA affected protein patterns similarly, whereas TMV infection resulted in other changes. It is supposed that different pathways function in tobacco plants during induction of systemic resistance by DRA and TMV infection. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Protein composition of tobacco leaves with antiviral resistance induced by activators of defense responses and TMV infection

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Publisher
Nauka/Interperiodica
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/S102144370706009X
Publisher site
See Article on Publisher Site

Abstract

In tobacco (Nicotiana tabacum L.) plants of hypersensitive cv. Samsun NN, a capability of necrosis lesion formation and protein patterns were studied after induction of antiviral resistance by defense responses activators (DRA) (arachidonic acid, ubiquinone 50, and vitamin E) and by infection with tobacco mosaic virus (TMV). DRA and TMV improved both local and systemic leaf resistance to TMV. Native protein electrophoresis demonstrated differences in the composition of leaf proteins extracted under acidic and alkaline conditions. SDS-PAGE revealed proteins accumulated during the development of systemic antiviral resistance after lower leaf treatments with DRA and of local resistance induced by pretreatment with TMV. It was shown that various DRA affected protein patterns similarly, whereas TMV infection resulted in other changes. It is supposed that different pathways function in tobacco plants during induction of systemic resistance by DRA and TMV infection.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Nov 7, 2007

References

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