Efficacy of Alternanthera bettzickiana to Remediate Copper and Cobalt Contaminated Soil Physiological and Biochemical Alterations

Khalid, Amna; Farid, Mujahid; Zubair, Muhammad; Rizwan, Muhmmad; Iftikhar, Usman; Ishaq, Hafiz Khuzama; Farid, Sheharyaar; Latif, Urousa; Hina, Kiran; Ali, Shafaqat

doi:10.1007/s41742-020-00251-8

Cited by 24 publications

(7 citation statements)

References 63 publications

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“…Generally, SOD detoxifies super oxide radical to O 2 and to H 2 O 2 that further reduced to H 2 O by POD and CAT Amjad et al 2020). Further, APX is a key enzyme involved in ascorbate-glutathione cycle and converts H 2 O 2 to H 2 O in chloroplast (Khalid et al 2020). In most of the cases, antioxidant showed dynamics behavior in their activities, i.e., enhanced under mild and/or moderate heavy metal stress while reduced at higher levels of metal stress conditions (Ashraf and Tang 2017;Ashraf et al 2018).…”

Section: Discussionmentioning

confidence: 99%

Citric acid enhanced phytoextraction of nickel (Ni) and alleviate Mentha piperita (L.) from Ni-induced physiological and biochemical damages

Khair

Farid

Ashraf

et al. 2020

Environ Sci Pollut Res

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Phytoremediation is considered one of the well-established and sustainable techniques for the removal of heavy metals and metalloids from contaminated sites. The metal extraction ability of the plants can be enhanced by using suitable organic materials in combination with metal-tolerant plants. This experiment was carried out to investigate the phytoextraction potential of Mentha piperita L. for nickel (Ni) with and without citric acid (CA) amendment in hydroponic experiment. The experiment was performed in controlled glass containers with continuous aeration in complete randomized design (CRD). Juvenile M. piperita plants were treated with different concentrations of Ni (100, 250, and 500 μM) alone and/or combined with CA (5 mM). After harvesting the plants, the morpho-physiological and biochemical attributes as well as Ni concentrations in different tissues of M. piperita plants were measured. Results revealed that Ni stress significantly decreased the plant agronomic traits, photosynthesis in comparison to control. Nickel stress enhanced the antioxidant enzymes activities and caused the production of reactive oxygen species (ROS) in M. piperita. The CA treatment under Ni stress significantly improved the plant morpho-physiological and biochemical characteristics when compared with Ni treatments alone. The results demonstrated that CA enhanced the Ni concentrations in roots, stems, and leaves up to 138.2%, 54.2%, and 38%, respectively, compared to Ni-only-treated plants. The improvement in plant growth with CA under Ni stress indicated that CA is beneficial for Ni phytoextraction by using tolerant plant species. Keywords Accumulation . Antioxidant enzymes . Citric acid . Mentha piperita . Nickel . Phytoremediation Significance of research work Reported results provided hopeful outcomes and sustainable fate of Ni phytoextraction. The present study confirmed the ecotoxicity of Ni in M. piperita and the efficacy of CA amendment to enhance the Ni bioavailability in culture media and to alleviate Ni-induced ecotoxicity. M. piperita significantly accumulate Ni under CA amendment as confirmed from the results.

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Section: Discussionmentioning

confidence: 99%

Citric acid enhanced phytoextraction of nickel (Ni) and alleviate Mentha piperita (L.) from Ni-induced physiological and biochemical damages

Khair

Farid

Ashraf

et al. 2020

Environ Sci Pollut Res

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“…Guiminyin accumulates the maximum contents of Cd (197.5 g ha −1 ) and Zn (5023.9 g ha −1 ) in their shoots. Khalid et al [87] assessed the phytoextraction capacity of Alternanthera bettzickiana to Ni and Cu by pot experiments and found after 8 weeks of treatments that this species accumulates 2 times more Cu in shoots as compared to control.…”

Section: Phytoextractionmentioning

confidence: 99%

Phytoremediation: a sustainable environmental technology for heavy metals decontamination

Nedjimi

2021

SN Appl. Sci.

234

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Toxic metal contamination of soil is a major environmental hazard. Chemical methods for heavy metal's (HMs) decontamination such as heat treatment, electroremediation, soil replacement, precipitation and chemical leaching are generally very costly and not be applicable to agricultural lands. However, many strategies are being used to restore polluted environments. Among these, phytoremediation is a promising method based on the use of hyper-accumulator plant species that can tolerate high amounts of toxic HMs present in the environment/soil. Such a strategy uses green plants to remove, degrade, or detoxify toxic metals. Five types of phytoremediation technologies have often been employed for soil decontamination: phytostabilization, phytodegradation, rhizofiltration, phytoextraction and phytovolatilization. Traditional phytoremediation method presents some limitations regarding their applications at large scale, so the application of genetic engineering approaches such as transgenic transformation, nanoparticles addition and phytoremediation assisted with phytohormones, plant growth-promoting bacteria and AMF inoculation has been applied to ameliorate the efficacy of plants as candidates for HMs decontamination. In this review, aspects of HMs toxicity and their depollution procedures with focus on phytoremediation are discussed. Last, some recent innovative technologies for improving phytoremediation are highlighted.

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“…This suggests that plants with greater biomass, such as mustard, rapeseed, maize and sunflower plants, can be beneficial in the field and can survive in the presence of toxic heavy metals ( Cekic et al., 2017 ; Rizwan et al., 2017a ). Along with higher biomass plants, many vegetables, ornamental and floating plant species also showed greater accumulation potential ( Amir et al., 2020 ; Khair et al., 2020 ; Khalid et al., 2020 ) Phytoremediation refers to the use of plants for the extractive removal of metal contamination from soil and aquatic media. ( Salt et al., 1998 ; USEPA, 2000 ).…”

Section: Introductionmentioning

confidence: 99%

Glutamic Acid-Assisted Phytomanagement of Chromium Contaminated Soil by Sunflower (Helianthus annuus L.): Morphophysiological and Biochemical Alterations

Farid

Zubair

et al. 2020

Front. Plant Sci.

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Chelator-assisted phytoremediation is an economical, sustainable, and ecologically friendly method of extracting heavy metals and metalloids from the soil. Organic chelators are thought to enhance metal availability and mobility in contaminated media, thereby improving phytoextraction. The aim of the present study was to examine whether exogenous application of glutamic acid (GA) could improve chromium (Cr) phytoextraction by sunflower plants (Helianthus annuus L.). Seeds were planted in plastic pots filled with 5 kg of local agricultural soil spiked with increasing concentrations of Cr (1, 2, and 5 mg kg −1). Glutamic acid (5 mM) was applied to soil in solution according to a completely randomized experimental design, and the sunflower plants were harvested after 8 weeks. The results indicated that increasing Cr-induced stress significantly inhibited plant growth, leading to reduced biomass, photosynthetic pigment content, activities of antioxidant enzymes, and leaf area of the sunflower plants. However, exogenous addition of GA significantly reduced the Cr-associated toxic effects while also increasing the accumulation of Cr in the plants. Moreover, increasing concentrations of Cr in the soil increased the generation of reactive oxygen species (ROS) responsible for the altered antioxidant enzyme activities. The results revealed that GA application to the topsoil enhanced the Cr concentration and accumulation in the root, stem, and leaves by up to 254, 225, 355, and 47, 59, 150% respectively. Further the GA addition reduced the Crinduced toxicity in plants and might be helpful for enhancing Cr phytoextraction by sunflower plants.

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Efficacy of Alternanthera bettzickiana to Remediate Copper and Cobalt Contaminated Soil Physiological and Biochemical Alterations

Cited by 24 publications

References 63 publications

Citric acid enhanced phytoextraction of nickel (Ni) and alleviate Mentha piperita (L.) from Ni-induced physiological and biochemical damages

Citric acid enhanced phytoextraction of nickel (Ni) and alleviate Mentha piperita (L.) from Ni-induced physiological and biochemical damages

Phytoremediation: a sustainable environmental technology for heavy metals decontamination

Glutamic Acid-Assisted Phytomanagement of Chromium Contaminated Soil by Sunflower (Helianthus annuus L.): Morphophysiological and Biochemical Alterations

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