2019
DOI: 10.1002/jpln.201800622
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An effective antioxidant defense provides protection against zinc deficiency‐induced oxidative stress in Zn‐efficient maize plants

Abstract: Maize plants (Zea mays L. cv. Ganga 2 and cv. Jaunpuri satha) were grown in solution culture under glasshouse conditions at deficient (0 µM) and normal (1 µM) levels of Zn supply. Appearance of visible effects characteristic of Zn deficiency, depression in plant growth, and dry matter yield of the plants indicated that Ganga 2 was more susceptible to Zn deficiency than Jaunpuri satha. Higher susceptibility of Ganga 2 to Zn deficiency was also manifested by a greater decrease in plant dry mass and an increased … Show more

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Cited by 24 publications
(11 citation statements)
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“…This promoted the protection of the plants' tissues against oxidative damages to the membrane under salt stress, thus alleviating the toxicity of salt and increasing the growth of the A. blanchetiana plants. These nutrients are structural components of the chlorophyll molecule and play a role in forming the amino acids necessary for the processes of the antioxidant defense system, acting as enzymatic cofactors, for example (Rahman et al 2016;Tewari et al 2019;Santos et al 2021). Besides this, the greater activity of the antioxidant system enzymes leads to lower degradation of chlorophyll (Gong et al 2018).…”
Section: Discussionmentioning
confidence: 99%
“…This promoted the protection of the plants' tissues against oxidative damages to the membrane under salt stress, thus alleviating the toxicity of salt and increasing the growth of the A. blanchetiana plants. These nutrients are structural components of the chlorophyll molecule and play a role in forming the amino acids necessary for the processes of the antioxidant defense system, acting as enzymatic cofactors, for example (Rahman et al 2016;Tewari et al 2019;Santos et al 2021). Besides this, the greater activity of the antioxidant system enzymes leads to lower degradation of chlorophyll (Gong et al 2018).…”
Section: Discussionmentioning
confidence: 99%
“…Mitigation of oxidative stress is closely related to the role of SOD, a group of rapid enzymes present in most cell compartments (Alsher et al 2002). Reduced activity of Cu/Zn-SOD, a SOD that binds both copper and Zn as cofactors, has been reported in several species under Zn deficient conditions (Sharma et al 2004;Tewari et al 2008Tewari et al , 2019Saibi & Brini 2018), and results in increased MDA and H 2 O 2 content (Sharma et al 2004). Differences in plant antioxidant capacity and oxidative stress induction have also been reported under Zn-excess conditions (Jain et al 2010;Feigl et al 2015).…”
Section: Discussionmentioning
confidence: 99%
“… 2004 ; Tewari et al . 2008 , 2019 ; Saibi & Brini 2018 ), and results in increased MDA and H 2 O 2 content (Sharma et al . 2004 ).…”
Section: Discussionmentioning
confidence: 99%
“…Zinc affects the water conditions of plants as it alters stomata conductivity and transpiration. Zinc concentration affects the activity of zinc-dependent enzymes such as carbonic anhydrase, which regulates the CO 2 sensing pathway and is associated with drought tolerance [43]. SOD and CAT are involved in antioxidant defense under water scarcity [44].…”
Section: Effect Of Zn-nps On Yieldmentioning
confidence: 99%