Salicylic Acid and Phenylalanine Ammonia-Lyase in Potato Plants Infected with the Causal Agent of Late Blight

Salicylic Acid and Phenylalanine Ammonia-Lyase in Potato Plants Infected with the Causal Agent of... In tuber tissues of potato (Solanum tuberosum L.) infected with an incompatible race of Phytophthora infestans (Mont.) de Bary, the activity of phenylalanine ammonia-lyase and the contents of free and bound salicylic acid (SA) considerably exceeded the corresponding indices in the tissues infected with a compatible race of the oomycete. The accumulation of the free form of SA apparently resulted from both enhanced SA biosynthesis and the liberation from the bound SA forms. SA accumulation in the incompatible host-pathogen combination presumes that SA participated in the local potato resistance to late blight. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Plant Physiology Springer Journals

Salicylic Acid and Phenylalanine Ammonia-Lyase in Potato Plants Infected with the Causal Agent of Late Blight

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Publisher
Springer Journals
Copyright
Copyright © 2005 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Plant Sciences; Plant Physiology
ISSN
1021-4437
eISSN
1608-3407
D.O.I.
10.1007/s11183-005-0075-9
Publisher site
See Article on Publisher Site

Abstract

In tuber tissues of potato (Solanum tuberosum L.) infected with an incompatible race of Phytophthora infestans (Mont.) de Bary, the activity of phenylalanine ammonia-lyase and the contents of free and bound salicylic acid (SA) considerably exceeded the corresponding indices in the tissues infected with a compatible race of the oomycete. The accumulation of the free form of SA apparently resulted from both enhanced SA biosynthesis and the liberation from the bound SA forms. SA accumulation in the incompatible host-pathogen combination presumes that SA participated in the local potato resistance to late blight.

Journal

Russian Journal of Plant PhysiologySpringer Journals

Published: Aug 9, 2005

References

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