Nano-ZnO priming induces salt tolerance by promoting photosynthetic carbon assimilation in wheat

Wang, Zongshuai; Li, Hui; Li, Xiangnan; Xin, Caiyun; Si, Jisheng; Li, Shengdong; Li, Yujie; Zheng, Xinxin; Li, Huawei; Wei, Xiuhua; Zhang, Zhiwei; Kong, Lingan; Wang, Fahong

doi:10.1080/03650340.2019.1663508

Cited by 59 publications

(28 citation statements)

References 45 publications

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“…Furthermore, the changing global climate (e.g., the elevated ambient air temperature and CO 2 concentration or the changed soil water availability due to altered precipitation) has exacerbated Zn deficiency in the soil–plant system in many countries and threatens human nutrition (Li, Ulfat, et al, 2019; Moreno‐Jiménez et al., 2019; Myers et al., 2014). Understanding the source–sink relationship is therefore of great importance in facilitating wheat growth under stresses (Wang et al., 2019; Zhang et al, 2020), as demonstrated by Karim et al. (2012), who showed that foliar Zn spraying increased grain yield under drought, possibly by reducing the drought‐induced oxidative cell damage due to improved antioxidative defense.…”

Section: Introductionmentioning

confidence: 99%

Elucidating the source–sink relationships of zinc biofortification in wheat grains: A review

Xia

Wang

Qiao

et al. 2020

Food and Energy Security

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Section: Introductionmentioning

confidence: 99%

Elucidating the source–sink relationships of zinc biofortification in wheat grains: A review

Xia

Wang

Qiao

et al. 2020

Food and Energy Security

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“…Also, Çatav et al, (2020) showed that higher concentration of Cd severely increased GR, POD and SOD in Triticum aestivum. Similarly, Wang et al, (2019) disclosed that CAT, POD and SOD decreased by increase Zn concentration in wheat seedlings. EAs provide protection to plants by contributing to cellular osmotic adjustment, stabilization of protein structure, scavenging of hydroxyl radicals, and regulation of cytosolic pH under stress (Çatav et al 2020).…”

Section: Discussionmentioning

confidence: 93%

“…ZnO NPs are being widely used in numerous applications (Shahzad et al 2019). Both negative and positive effects have been reported in EA by ZnO NPs application (Hernandez-Viezcas et al 2011;Rao and Shekhawat 2014;Wang et al 2016Wang et al , 2019Abdel Latef et al 2017;Khan et al 2019). Furthermore, Cd is a metal that is released into the nature and affect live organisms (Bayçu et al 2017;Khan et al 2019).…”

Section: Dsmentioning

confidence: 99%

Effect of Metal Oxide Nanoparticles on Plant Enzymatic Activities Under Drought

Jahantab¹,

Farzadmehr²,

Abadi³

et al. 2021

Preprint

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The aim of this work was to study the effect of metal oxide nanoparticles (MO NPs) on enzymatic activities (EAs) of two main plant life forms under drought stress (DS). Foliar spray of silver oxide (AgO), iron oxide (FeO), zinc oxide (ZnO) and cadmium oxide (CdO) at levels of 30, 60, 90 and 120 mg.L-1 were used on aerial parts of forb Sanguisorba officinalis L. and grass Agropyron cristatum (L.) Gaertn. under DS levels of 25-100% field capacity (FC). Glutathione reductase (GR), catalase (CAT), peroxidase (POD) and superoxide dismutase (SOD) were measured after two weeks of the experiment. The results indicate that the EAs changes varied depending on the plant life form, levels of DS, type and levels of NPs. Overall, application of 30- 60 mg.L-1 MO NPs under 25-50%FC significantly reduced EAs, especially in forb (P<0.001). Higher concentration of MO NPs significantly increase EAs. A decrease in CAT (20.90%, 18.80%), POD (21.30%, 17.67%) and SOD (23.14%, 16.88%) was observed under levels of 60 mg.l-1 of ZnO NPs under 25-50%FC in forb and grass, respectively. High concentration of CdO NPs (90-120 mg.l-1) caused by increase (max= 24.0%) in EAs in both life forms under 25%FC.

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“…Seed priming by n‐Fe 2 O 3 at 500 mg/L improved sorghum growth and tolerance to salt stress by enhanced germination and seedling growth, higher relative water content, photosystem II efficiency, photosynthetic rate and with reduced lipid peroxidation (Maswada et al., 2018). Nano‐ZnO priming activated the antioxidant system to depress the oxidative burst and enhanced the salt tolerance in wheat (Wang et al., 2019) and in maize (Imran et al., 2018) by increased efficiency of photosynthetic electron transport, increased leaf water potential and reduced Na concentration in leaves under salt stress. Seeds primed with 500 mg/L poly (acrylic acid)‐coated cerium oxide nanoparticles (PNC) considerably increased seedling root biomass in cotton seedlings under salinity stress due to decrease in ROS accumulation in roots of seedlings (An et al., 2020) and suggesting that ROS and Ca 2+ plant signalling pathways possibly have a crucial role in PNC‐induced development of tolerance towards the salt stress (An et al., 2020).…”

Section: Strategies For Alleviation Of Salt Stress By Regulating Ros/rnsmentioning

confidence: 99%

Behind the scene: Critical role of reactive oxygen species and reactive nitrogen species in salt stress tolerance

Tomar

Kataria

Jajoo

2021

J Agronomy Crop Science

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Salinity is one of the most important abiotic factors which affects plant growth and development and reduces crop productivity. Plants have stress tolerance ability to respond to a particular type of stress. For salt stress alleviation, plants retain specific mechanisms, such as activation of signalling cascades, ion channels, receptors, hormonal stimulation, ion exchange, osmolytes and antioxidant enzymes which are involved either directly or indirectly in plant protection. In plants, reactive oxygen species (ROS) and reactive nitrogen species (RNS) are produced in different cell compartments and involved in the "oxidative signalling" mechanism. Based on the recent studies in signalling and mechanisms for salt tolerance in plant, we explored the role of the salt overly sensitive system (SOS) related to antiporters of plasma and mitogenactivated protein kinase (MAPK) cascades. Considering the importance of ROS and RNS, the present review has focused on different aspects and mechanisms that play key role in plants cell signalling network in response to salinity stress. In addition, this review highlights the differential expression of ROS, RNS and various antioxidative enzymes in C3, C4 and CAM plants. Moreover, the strategies for alleviation of salt stress such as magnetopriming, nanopriming, biopriming and arbuscular mycorrhizal fungi (AMF) in plants to achieve improved salt tolerance in crops under field conditions and their effects through ROS and RNS is also discussed. We conclude the review with a discussion of unseen issues and suggestions for future researches.

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Nano-ZnO priming induces salt tolerance by promoting photosynthetic carbon assimilation in wheat

Cited by 59 publications

References 45 publications

Elucidating the source–sink relationships of zinc biofortification in wheat grains: A review

Elucidating the source–sink relationships of zinc biofortification in wheat grains: A review

Effect of Metal Oxide Nanoparticles on Plant Enzymatic Activities Under Drought

Behind the scene: Critical role of reactive oxygen species and reactive nitrogen species in salt stress tolerance

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