Selenium Enhances Cadmium Accumulation Capability in Two Mustard Family Species—Brassica napus and B. juncea

Zhang, Zhongwei; Dong, Yi-Ying; Feng, Lingyang; Deng, Zong-Lin; Xu, Qiang; Qi, Tao; Wang, Changquan; Chen, Yang-Er; Yuan, Ming; Yuan, Shu

doi:10.3390/plants9070904

Cited by 27 publications

(15 citation statements)

References 49 publications

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“…Seven-day-old, 14-day-old, 21-day-old, and 28-day-old Arabidopsis grown under low, normal or high N levels with or without shade treatment were used for fresh weight and dry weight determination. The experimental methods were set as described previously ( Zhang et al, 2020a ).…”

Section: Methodsmentioning

confidence: 99%

Shade Avoidance 3 Mediates Crosstalk Between Shade and Nitrogen in Arabidopsis Leaf Development

Yang

Zhang

et al. 2022

Front. Plant Sci.

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After nitrogen treatments, plant leaves become narrower and thicker, and the chlorophyll content increases. However, the molecular mechanisms behind these regulations remain unknown. Here, we found that the changes in leaf width and thickness were largely compromised in the shade avoidance 3 (sav3) mutant. The SAV3 gene encodes an amino-transferase in the auxin biosynthesis pathway. Thus, the crosstalk between shade and nitrogen in Arabidopsis leaf development was investigated. Both hypocotyl elongation and leaf expansion promoted by the shade treatment were reduced by the high-N treatment; high-N-induced leaf narrowing and thickening were reduced by the shade treatment; and all of these developmental changes were largely compromised in the sav3 mutant. Shade treatment promoted SAV3 expression, while high-N treatment repressed SAV3 expression, which then increased or decreased auxin accumulation in cotyledons/leaves, respectively. SAV3 also regulates chlorophyll accumulation and nitrogen assimilation and thus may function as a master switch responsive to multiple environmental stimuli.

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Section: Methodsmentioning

confidence: 99%

Shade Avoidance 3 Mediates Crosstalk Between Shade and Nitrogen in Arabidopsis Leaf Development

Yang

Zhang

et al. 2022

Front. Plant Sci.

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“…Its administration facilitates reduction of Cd contamination in cabbage (Brassica rapa) and lettuce (Lactuca sativa L.). Multifaceted benefit of Se NPs in Cd stressed Brassica juncea includes enhanced uptake of important minerals (Mn and Mg), increase in relative water content (RWC) and activities of anti oxidative enzymes (118). Moreover, elevated proline accumulation, over expression of glutathione reductase (GR) and peroxidase (POX) with subsequent decrease in ethylene, relieved the Cd induced oxidative stress in wheat plant (119).…”

Section: Selenium Npsmentioning

confidence: 99%

Nanoparticles mediated cadmium toxicity amelioration in plants

Chakraborty¹,

Pal²,

Paul

2021

Plant Sci. Today

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Application of nanoparticles to address various environmental issues; especially heavy metal contaminated soil restoration is of global interest. Indiscriminate usage of phosphate fertilizer and other anthropogenic activities contribute to Cd contamination of soil, resulting in degradation of soil quality and low crop yield. By the virtue of unique physiochemical characteristics, nanoparticles (NPs) are effective enough for heavy metal stress mitigation. This review has focused on Cd uptake, accumulation and toxicity in plants followed by the successful application of different metallic and non metallic NPs for soil Cd decontamination. Positive impact of NPs as plant growth elicitor under Cd stress has been explored here. Various ways of NP application (soil, foliar, hydroponics), uptake, mode of action and effective treatment concentration have been highlighted. We have collected handful information regarding the use of NPs as nanofertilizer and nanopesticides. The negative effects of NPs have not been considered here. More in depth study to be conducted for better illumination on plant - NPs interaction, mobilization mechanism and biological activities. Though this review summarizes few facts among various aspect of NP but can be counted as a supportive documentation for the better use of NPs in environmental protection in future.

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“…Selenium (Se) is well-known as a beneficial element, functioning in the control of growth and development under normal and stressful conditions at lower concentration (Khan et al, 2015 ; Hasanuzzaman et al, 2022 ). Selenium enhances the metals/metalloids toxicity tolerance in plants (Hasanuzzaman et al, 2020a , b , 2022 ; Zhang et al, 2020 ). It has been shown to detoxify ROS through upregulating the activity of antioxidant enzymes (Hasanuzzaman and Fujita, 2011 ; Srivastava et al, 2016 ; Hasanuzzaman et al, 2020a , b ), leading to the protection of photosynthetic and growth capabilities (Khan et al, 2015 ).…”

Section: Introductionmentioning

confidence: 99%

Ethylene Suppresses Abscisic Acid, Modulates Antioxidant System to Counteract Arsenic-Inhibited Photosynthetic Performance in the Presence of Selenium in Mustard

et al. 2022

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Arsenic (As) stress provokes various toxic effects in plants that disturbs its photosynthetic potential and hampers growth. Ethylene and selenium (Se) have shown regulatory interaction in plants for metal tolerance; however, their synergism in As tolerance through modification of the antioxidant enzymes and hormone biosynthesis needs further elaboration. With this in view, we investigated the impact of ethylene and Se in the protection of photosynthetic performance against As stress in mustard (Brassica juncea L.). Supplementation with ethephon (2-chloroethylphosphonic acid; ethylene source) and/or Se allayed the negative impact of As-induced toxicity by limiting As content in leaves, enhancing the antioxidant defense system, and decreasing the accumulation of abscisic acid (ABA). Ethylene plus Se more prominently regulated stomatal behavior, improved photosynthetic capacity, and mitigated As-induced effects. Ethephon in the presence of Se decreased stress ethylene formation and ABA accumulation under As stress, resulting in improved photosynthesis and growth through enhanced reduced glutathione (GSH) synthesis, which in turn reduced the oxidative stress. In both As-stressed and non-stressed plants treated with ethylene action inhibitor, norbornadiene, resulted in increased ABA and oxidative stress with reduced photosynthetic activity by downregulating expression of ascorbate peroxidase and glutathione reductase, suggesting the involvement of ethylene in the reversal of As-induced toxicity. These findings suggest that ethephon and Se induce regulatory interaction between ethylene, ABA accumulation, and GSH metabolism through regulating the activity and expression of antioxidant enzymes. Thus, in an economically important crop (mustard), the severity of As stress could be reduced through the supplementation of both ethylene and Se that coordinate for maximum stress alleviation.

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Selenium Enhances Cadmium Accumulation Capability in Two Mustard Family Species—Brassica napus and B. juncea

Cited by 27 publications

References 49 publications

Shade Avoidance 3 Mediates Crosstalk Between Shade and Nitrogen in Arabidopsis Leaf Development

Shade Avoidance 3 Mediates Crosstalk Between Shade and Nitrogen in Arabidopsis Leaf Development

Nanoparticles mediated cadmium toxicity amelioration in plants

Ethylene Suppresses Abscisic Acid, Modulates Antioxidant System to Counteract Arsenic-Inhibited Photosynthetic Performance in the Presence of Selenium in Mustard

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