Salicylic Acid and Phenylalanine Ammonia-Lyase in Potato Plants Infected with the Causal Agent of Late Blight |
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Authors: | Ya S Panina N G Gerasimova G I Chalenko N I Vasyukova O L Ozeretskovskaya |
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Institution: | (1) Bach Institute of Biochemistry, Russian Academy of Sciences, Leninskii pr. 33, Moscow, 119071, Russia |
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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.__________Translated from Fiziologiya Rastenii, Vol. 52, No. 4, 2005, pp. 573–577.Original Russian Text Copyright © 2005 by Panina, Gerasimova, Chalenko, Vasyukova, Ozeretskovskaya. |
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Keywords: | Phytophthora infestans Solanum tuberosum phenylalanine ammonia-lyase salicylic acid hypersensitive response local late blight resistance |
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