Nickel toxicity alters growth patterns and induces oxidative stress response in sweetpotato

Kumar, Sunjeet; Wang, Mengzhao; Liu, Yi; Fahad, Shah; Qayyum, Abdul; Jadoon, Sultan Akbar; Chen, Yanli; Zhu, Guopeng

doi:10.3389/fpls.2022.1054924

Cited by 28 publications

(11 citation statements)

References 65 publications

(140 reference statements)

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“…Total soluble sugars activity was also increased under Ni stress which is related to earlier studies. Kumar et al (2022) found that the soluble sugar contents were increased by 72.1% under Ni stress in sweet potato. Application of BC improved glycine betaine, total soluble protein and total soluble sugar content.…”

Section: Discussionmentioning

confidence: 94%

Role of biochar in mitigating nickel stress in spinach (Spinacea oleracea L.) plants

Haider,

Ahmad,

Riffat

2023

Preprint

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Increasing nickel (Ni) concentration in plant cells causes physiological, metabolic and cellular alterations, which causes severe damage to the plants. Among various strategies to reduce Ni toxicity in plants, the use of biochar (BC) is very feasible method as it has potential to immobilize Ni which ultimately causes soil remediation. The present study was conducted to determine the role of BC in mitigating Ni stress. Two varieties of spinach (Desi and Green Gold), were subjected to BC (16.25 and 32.5 g) and Ni (5 mM) treatment. Results revealed that the length, fresh and dry weight of shoot and root were improved by application of BC at 32.5 g, however, application of Ni reduced all studied growth parameters. Among photosynthetic pigments, chlorophyll (chl) a, chl b, total chl and carotenoids were also improved at 32.5 g BC under Ni stress conditions. Biochar reduced the concentration of malondialdehyde (MDA) and hydrogen peroxide (H2O2) at 32.5 g by increasing enzymatic antioxidant superoxide dismutase (SOD), peroxidase (POD) and catalase (CAT) while, Ni stress raised the concentration of MDA and H2O2. Among organic osmolytes, BC at 32.5 g improved the concentration of glycine betain, total soluble proteins and total soluble sugars and lowered the toxic effects of Ni stress. The uptake of mineral ions such as Ca2+ and K+ were improved and Na+ concentration was reduced by applying BC at 32.5 g under Ni stress conditions. In conclusion, the application of BC at 32.5 g/ pot enhanced plant growth, photosynthetic pigments, osmolytes, antioxidants, ionic contents and lowered oxidative stress determinants to ameliorate Ni stress condition.

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Section: Discussionmentioning

confidence: 94%

Role of biochar in mitigating nickel stress in spinach (Spinacea oleracea L.) plants

Haider,

Ahmad,

Riffat

2023

Preprint

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“…The chlorophyll (Chl) was determined by the soaking method ( Zulqarnain et al., 2021 ; Kumar et al., 2022 ). Weigh 0.1 g fresh leaves, add 20 mL of 95% ethanol for dark treatment until the leaves turn white, fix the volume to 25 mLwith 95% ethanol, measure the OD value under A665, A649 and A470, and calculate the chlorophyll pigmented content;…”

Section: Methodsmentioning

confidence: 99%

Different doses of UV-B radiation affect pigmented potatoes’ growth and quality during the whole growth period

Chen

Xiao

et al. 2023

Front. Plant Sci.

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IntroductionUltraViolet- Biological (UV-B) plays an important role in plant growth and the formation of nutrients, especially secondary metabolites.MethodsTo investigate the phenotypic changes, physiological responses, and internal genes expression of potatoes under enhanced UV-B radiation, two Yunnan native pigmented potatoes varieties named “Huaxinyangyu” and “Jianchuanhong” were exposed to different UV-B doses during whole growth duration.ResultsPearson correlation analysis and principal component analysis showed that the agronomic characters (i.e. plant height, pitch, stem diameter, and root shoot ratio) of plants treated with low dose ultraviolet (T1) did not change significantly compared with the absence of ultraviolet radiation (CK), even unit yield increased slightly; Similarly, under low UV-B radiation, photosynthetic and physiological parameters (photosynthetic rate, stomatal conductance, respiration rate, and transpiration rate) of leaves were significantly increased. In addition, low-dose UV-B treatment promoted the synthesis of tuber nutrients (e.g. phenols, chlorogenic acids, flavonoids, vitamin C, anthocyanins) and increased the expression of structural genes for anthocyanin synthesis. The number of nutrients and gene expression in tubers raised by the “Huaxinyangyu” was the highest at 84 days, and “Jianchuanhong” was the highest at 72 days. However, the higher dose of UV-B radiation (T2) will cause greater damage to the pigmented potatoes plants, making the plants reduce the yield, and significantly reduce the tuber nutrients.DiscussionThis study showed that proper ultraviolet radiation will not harm pigmented potatoes, but also improve their oxidative stress tolerance, increase the structure genes expression of anthocyanins and continuously synthesize beneficial substances to improve the yield and quality of potato tubers.

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“…High levels of Ni and Zn can cause phytotoxicity by inhibiting growth and reducing relative water content. These two also affect various aspects of photosynthesis, pigmentation, osmolality, and enzyme activity, resulting in leaf chlorosis and necrosis [ 210 , 211 ]. In a 2-year field experiment, El-Saadony et al [ 212 ] investigated the efficacy of Si-NPs (2.5 and 5.0 mmol/L) spray on Phaseolus vulgaris grown in Ni-polluted soil.…”

Section: Impacts Of Nps On Plants Under Hm Toxicitymentioning

confidence: 99%

Nano-enabled agrochemicals: mitigating heavy metal toxicity and enhancing crop adaptability for sustainable crop production

Ghorbani,

Emamverdian,

Pehlivan

et al. 2024

J Nanobiotechnol

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The primary factors that restrict agricultural productivity and jeopardize human and food safety are heavy metals (HMs), including arsenic, cadmium, lead, and aluminum, which adversely impact crop yields and quality. Plants, in their adaptability, proactively engage in a multitude of intricate processes to counteract the impacts of HM toxicity. These processes orchestrate profound transformations at biomolecular levels, showing the plant’s ability to adapt and thrive in adversity. In the past few decades, HM stress tolerance in crops has been successfully addressed through a combination of traditional breeding techniques, cutting-edge genetic engineering methods, and the strategic implementation of marker-dependent breeding approaches. Given the remarkable progress achieved in this domain, it has become imperative to adopt integrated methods that mitigate potential risks and impacts arising from environmental contamination on yields, which is crucial as we endeavor to forge ahead with the establishment of enduring agricultural systems. In this manner, nanotechnology has emerged as a viable field in agricultural sciences. The potential applications are extensive, encompassing the regulation of environmental stressors like toxic metals, improving the efficiency of nutrient consumption and alleviating climate change effects. Integrating nanotechnology and nanomaterials in agrochemicals has successfully mitigated the drawbacks associated with traditional agrochemicals, including challenges like organic solvent pollution, susceptibility to photolysis, and restricted bioavailability. Numerous studies clearly show the immense potential of nanomaterials and nanofertilizers in tackling the acute crisis of HM toxicity in crop production. This review seeks to delve into using NPs as agrochemicals to effectively mitigate HM toxicity and enhance crop resilience, thereby fostering an environmentally friendly and economically viable approach toward sustainable agricultural advancement in the foreseeable future.

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Nickel toxicity alters growth patterns and induces oxidative stress response in sweetpotato

Cited by 28 publications

References 65 publications

Role of biochar in mitigating nickel stress in spinach (Spinacea oleracea L.) plants

Role of biochar in mitigating nickel stress in spinach (Spinacea oleracea L.) plants

Different doses of UV-B radiation affect pigmented potatoes’ growth and quality during the whole growth period

Nano-enabled agrochemicals: mitigating heavy metal toxicity and enhancing crop adaptability for sustainable crop production

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