The relationship between the resistance of Aegilops umbellulata Zhuk. seedlings to Septoria nodorum Berk. and peroxidase isozyme pattern |
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| Authors: | I. V. Maksimov E. A. Cherepanova G. F. Murtazina N. N. Chikida |
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| Affiliation: | (1) Institute of Biochemistry and Genetics, Ufa Scientific Center, Russian Academy of Sciences, pr. Oktytabrya 71, Ufa, 450054, Russia;(2) Vavilov Institute of the Plant Industry, Russian Academy of Agricultural Sciences, Bol’shaya Morskaya ul. 42, St. Petersburg, 190000, Russia |
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| Abstract: | The resistance of Aegilops umbellulata Zhuk. to blotch pathogen Septoria nodorum Berk. has been studied. Cytoplasmic peroxidase activity in normal seedlings could not be used for biochemical prediction of Ae. umbellulata resistance to Septoria blotch. At the same time, isoperoxidases with pI ～7.5 and infection-induced activity of anionic isoforms with pI ～3.5 were markers of the resistant Aegilops plants. Aegilops resistance to the fungus depended on the activity of cell wall peroxidases. |
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