Seed Treatment with Salicylic Acid Increases Gene Expression and Activity of Antioxidant Enzymes in Wheat Plants in Zinc or Copper Deficiency.

Autor: Kaznina NM; Institute of Biology, Karelian Research Center, Russian Academy of Sciences, Petrozavodsk, Russia. kaznina@krc.karelia.ru., Repkina NS; Institute of Biology, Karelian Research Center, Russian Academy of Sciences, Petrozavodsk, Russia., Batova YV; Institute of Biology, Karelian Research Center, Russian Academy of Sciences, Petrozavodsk, Russia., Ignatenko AA; Institute of Biology, Karelian Research Center, Russian Academy of Sciences, Petrozavodsk, Russia., Titov AF; Institute of Biology, Karelian Research Center, Russian Academy of Sciences, Petrozavodsk, Russia.
Jazyk: angličtina
Zdroj: Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections [Dokl Biol Sci] 2023 Dec; Vol. 513 (Suppl 1), pp. S55-S60. Date of Electronic Publication: 2024 Mar 02.
DOI: 10.1134/S001249662470090X
Abstrakt: The effect of wheat seed treatment with salicylic acid (SA) on expression of the TaCu/ZnSOD, TaFeSOD, and TaCAT2 genes and activities of the antioxidant enzymes superoxide dismutase (SOD) and catalase (CAT) in leaves was studied at optimal contents of zinc (2 µM) and copper (0.3 µM) in the root environment and in zinc and copper deficiencies. Seed treatment with SA was for the first time shown to increase of the amount of transcripts of the above genes as compared with untreated plants, both in optimal conditions and in zinc or copper deficiency. Activities of the enzymes, especially catalase, also increased. Judging by the malondialdehyde (MDA) content, the changes make it possible to avoid an increase in lipid peroxidation (LPO) and, therefore, oxidative stress. A positive effect of seed treatment with SA on activities of the main antioxidant enzymes was assumed to underlie the stimulating effect of SA on physiological processes in plants exposed to microelement deficiency.
(© 2023. Pleiades Publishing, Ltd.)
Databáze: MEDLINE
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