Stimulating antioxidant defenses, antioxidant gene expression, and salt tolerance in Pisum sativum seedling by pretreatment using licorice root extract (LRE) as an organic biostimulant

Copyright © 2019 Elsevier Masson SAS. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 142(2019) vom: 01. Sept., Seite 292-302
1. Verfasser: Desoky, El-Sayed M (VerfasserIn)
Weitere Verfasser: ElSayed, Abdelaleim I, Merwad, Abdel-Rahman M A, Rady, Mostafa M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Antioxidant enzymes Licorice Pisum sativum Salt stress qRT-PCR Antioxidants Plant Extracts
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245 1 0 |a Stimulating antioxidant defenses, antioxidant gene expression, and salt tolerance in Pisum sativum seedling by pretreatment using licorice root extract (LRE) as an organic biostimulant 
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520 |a Plant extracts have recently been used as exogenous adjuvants to strengthen the endogenous plant defense systems when they grow under different environmental stresses, including salinity. The study aimed at determining the effects of seed soaking using licorice root extract (LRE) on photosynthesis and antioxidant defense systems, including transcript levels of enzyme-encoding genes in pea seedling grown under 150 mM NaCl-salinity. Salt stress reduced seedling growth, photosynthesis attributes, and K+ content, and increased oxidative stress (O2•‒ and H2O2, and MDA), Na+, and Cl-, along with an increase in antioxidative defense activities compared to control. However, LRE pretreatment enhanced seedling growth, photosynthetic attributes (chlorophylls, carotenoids, Fv/Fm, Pn, Tr, and gs), ascorbate and glutathione and their redox states, proline, soluble sugars, α-TOC, and enzyme activities compared to stressed control. LRE pretreatment also upregulated transcript levels of CAT-, SOD-, APX-, GR-, DHAR-, and PrxQ-encoding genes in salt-stressed seedlings, decreasing oxidative stress and Na+ and Cl- contents and increasing K+ content and K+/Na+ ratio 
650 4 |a Journal Article 
650 4 |a Antioxidant enzymes 
650 4 |a Licorice 
650 4 |a Pisum sativum 
650 4 |a Salt stress 
650 4 |a qRT-PCR 
650 7 |a Antioxidants  |2 NLM 
650 7 |a Plant Extracts  |2 NLM 
700 1 |a ElSayed, Abdelaleim I  |e verfasserin  |4 aut 
700 1 |a Merwad, Abdel-Rahman M A  |e verfasserin  |4 aut 
700 1 |a Rady, Mostafa M  |e verfasserin  |4 aut 
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