New approach strategy for heavy metals immobilization and microbiome structure long-term industrially contaminated soils

Radziemska, Maja; Gusiatin, Zygmunt M.; Cydzik‐Kwiatkowska, Agnieszka; Majewski, Grzegorz; Blazejczyk, Aurelia; Brtnický, Martin

doi:10.1016/j.chemosphere.2022.136332

Cited by 5 publications

(2 citation statements)

References 68 publications

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“…Phyto stabilization includes immobilization and transcription of heavy metals in roots, decrease in erosion and leaching, maintenance of rhizosphere aerobic environment, and organic matter alteration to stabilize or immobilize heavy metals. Phyto stabilization practices metal-tolerant plants for heavy metal immobilization in polluted soils by declining their bioavailability in the environment (Radziemska et al, 2022) to wander these toxins to groundwater or food cycle (Interior-Hallegado et al, 2022).…”

Section: Phytoremediationmentioning

confidence: 99%

Comparative Analysis of Heavy Metal's Toxicity in Plants Physiology and its Remediation

Tariq

2024

ANST

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Heavy metals (HMs) contaminate the environment worldwide, alter microflora structure, diversity, and function, degrade soils, and reduce plant growth and yield; that is why HMs treatment is essential to maintain soil health. Traditional approaches to heavy metals are expensive, not environmentally friendly, and adversely affect the soil. Microbial application is an ecologically friendly tactic for the removal of heavy metals. Microorganisms augment soil health improvement, which is the vital enhancement of plants' response to abiotic stress via various mechanisms, including phytohormones, biosurfactants, exopolymers, antioxidant enzyme production, and organic acids. Heavy metals show an active part in nature since they are essential for plant growth stages as these are correspondingly tangled in relocating electrons and redox reactions, indeed a vital portion of numerous enzymes as a straight contributor and elementary role in the metabolism of nucleic acid but additional concentration consequences in numerous lethal paraphernalia. Hence, the present article comprised the evidence for an improved understanding of heavy metal toxicity in various plants and its accumulation mechanism by plants. The root is an imperative gateway for water absorption and organic nourishment in which an advanced metal concentration element likewise accompanies numerous lands, whichever non-essential (e. g. Fe, Cu, and Mn) or essential metal elements or else heavy metals (e. g. Al, Hg, Pb, Ag, and Cd). The way to control metal essentials entry in the cell includes chelation and protection of compounds able to nullify the impairment once the metal component arrives via metallothionein or photoheating composites. Moreover, before their existence, antioxidant compounds were released into vacuoles and additionally rooted in a cellular structure, preventing the dangerous absorption of metal from avoiding cellular injury and toxic effects.

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Section: Phytoremediationmentioning

confidence: 99%

Comparative Analysis of Heavy Metal's Toxicity in Plants Physiology and its Remediation

Tariq

2024

ANST

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“…Bioimmobilization involves the use of bacteria or plants to decrease the water solubility of aqueous contaminants through changes in oxidation state and therefore promoting precipitation of solid phases. 114,115 The process can be performed either through the introduction of new organisms to an area or by promoting the growth of organisms already present in the target environment. 114,116 Field-scale, in situ bioimmobilization of 99 Tc was conducted at the Oak Ridge site by Istok and coworkers in 2004.…”

Section: Bioimmobilizationmentioning

confidence: 99%

Current and emerging technologies for the remediation of difficult-to-measure radionuclides at nuclear sites

Hemming,

Purkis,

Warwick

et al. 2023

Environ. Sci.: Processes Impacts

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Freeze–Thaw Dynamics in Postindustrial Soil: Implications for Metal Stability and Soil Enzymatic Activity During Phytostabilization

Klik,

Gusiatin,

Jachimowicz

et al. 2024

Land Degrad Dev

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Phytostabilization, a key strategy in addressing heavy metal contamination, faces challenges in regions with frequent temperature fluctuations. The challenges arise from the impact of temperature variations on microbial activity, plant metabolism, and metal bioavailability. Acknowledging the sensitivity of soil dynamics, amendments, and ecological interactions to temperature variations underscores the importance of considering these factors for effective phytostabilization strategies in dynamic environmental conditions. The aim of this study is to explore the effect of phytostabilization assisted with diatomite, halloysite, and biochar with and without freeze–thaw conditions on metal stability (as distribution patterns), and microbial activity (as dehydrogenase activity, DHA). The experiment comprised two variants. In the first, conducted without FTC, Lolium perenne seeds were sown in pots filled with soil from a contaminated area, both with and without amendments (3%), lasting for 52 days. The second variant replicated the process with 16 freeze–thaw cycles (FTC) and extended the duration to 116 days. Results revealed that FTC alters the distribution of heavy metals in soil compared to conditions without the FTC cycle. Diatomite reduces Cu mobility but may potentially increase Cd mobility. Halloysite enhances Cu exchangeability, restricts Cd mobility, and increases Pb retention in a stable form. Biochar exhibits mixed effects on Cu and Cd mobility, showcasing the influence of FTC on these soil amendments. As a vital microbial indicator, soil DHA responds dynamically to varying temperatures. The applied amendments seem to mitigate the adverse effects of FTC cycles by supporting DHA. Notably, halloysite exhibits a more favorable influence without FTC, while biochar and diatomite showcase enhanced stimulatory effects post‐FTC. It emphasises the need for a nuanced understanding of temperature–microbe interactions and the role of amendments in enhancing the sustainability of phytostabilization in metal‐contaminated environments.

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New approach strategy for heavy metals immobilization and microbiome structure long-term industrially contaminated soils

Cited by 5 publications

References 68 publications

Comparative Analysis of Heavy Metal's Toxicity in Plants Physiology and its Remediation

Comparative Analysis of Heavy Metal's Toxicity in Plants Physiology and its Remediation

Current and emerging technologies for the remediation of difficult-to-measure radionuclides at nuclear sites

Freeze–Thaw Dynamics in Postindustrial Soil: Implications for Metal Stability and Soil Enzymatic Activity During Phytostabilization

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