Heavy Metal’s Environmental Impact DOI Creative Commons

Riyam N. Khalef,

Amal I. Hassan, Hosam M. Saleh

и другие.

IntechOpen eBooks, Год журнала: 2022, Номер unknown

Опубликована: Апрель 12, 2022

Heavy metals are inorganic elements with something like a density of more than 5 g/cm3. Essential and non-essential heavy were divided into two groups based on their toxicity. metals, unlike organic pollutants, non-biodegradable tend to accumulate in living things. Many metal ions hazardous or carcinogenic. The majority such as cadmium, copper, zinc, linked pollution concerns. There 50 categorized 17 them being extremely easily accessible. Metal pollutants often non-degradable have no recognized homeostasis mechanism. Their mere presence aquatic habitats is enough direct indirect impact systems. anthropogenic ancient mining regions refers areas where the concentration one exceeds normal values. disrupt cellular organelles components biological Nanoscale zero-valent iron promising alternative for cleanup. poisonous, non-degradable, bioaccumulate biomagnify. purpose this chapter display some environmental these minerals, which includes soil, plants, humans.

Язык: Английский

The soil pH and heavy metals revealed their impact on soil microbial community DOI
Misbah Naz, Zhicong Dai, Sajid Hussain

и другие.

Journal of Environmental Management, Год журнала: 2022, Номер 321, С. 115770 - 115770

Опубликована: Авг. 30, 2022

Язык: Английский

Процитировано

199

Nanoparticles: The Plant Saviour under Abiotic Stresses DOI Creative Commons
Muhammad Fasih Khalid,

Rashid Iqbal Khan,

Muhammad Zaid Jawaid

и другие.

Nanomaterials, Год журнала: 2022, Номер 12(21), С. 3915 - 3915

Опубликована: Ноя. 6, 2022

Climate change significantly affects plant growth and productivity by causing different biotic abiotic stresses to plants. Among the stresses, at top of list are salinity, drought, temperature extremes, heavy metals nutrient imbalances, which contribute large yield losses crops in various parts world, thereby leading food insecurity issues. In quest improve plants' stress tolerance, many promising techniques being investigated. These include use nanoparticles, have been shown a positive effect on performance under conditions. Nanoparticles can be used deliver nutrients plants, overcome diseases pathogens, sense monitor trace elements that present soil absorbing their signals. A better understanding mechanisms nanoparticles assist plants cope with will help towards development more long-term strategies against these stresses. However, intensity challenge also warrants immediate approaches mitigate enhance crop production short term. Therefore, this review provides an update responses (physiological, biochemical molecular) affected stress, potentially effective production. Taking into consideration all aspects, is intended researchers from fields, such as science nanoscience, understand possible innovative deal agriculture.

Язык: Английский

Процитировано

100

Heavy metals and arsenic stress in food crops: Elucidating antioxidative defense mechanisms in hyperaccumulators for food security, agricultural sustainability, and human health DOI
Prabhat Kumar, Christian Sonne, Ki‐Hyun Kim

и другие.

The Science of The Total Environment, Год журнала: 2023, Номер 874, С. 162327 - 162327

Опубликована: Фев. 20, 2023

Язык: Английский

Процитировано

64

Phytochelatins: Sulfur-Containing Metal(loid)-Chelating Ligands in Plants DOI Open Access
И. В. Серегин, А. Д. Кожевникова

International Journal of Molecular Sciences, Год журнала: 2023, Номер 24(3), С. 2430 - 2430

Опубликована: Янв. 26, 2023

Phytochelatins (PCs) are small cysteine-rich peptides capable of binding metal(loid)s via SH-groups. Although the biosynthesis PCs can be induced in vivo by various metal(loid)s, mainly involved detoxification cadmium and arsenic (III), as well mercury, zinc, lead, copper ions, which have high affinities for S-containing ligands. The present review provides a comprehensive account recent data on PC biosynthesis, structure, role metal(loid) transport sequestration vacuoles plant cells. A comparative analysis accumulation hyperaccumulator plants, accumulate their shoots, excluders, roots, investigates question whether endogenous concentration determines plant's tolerance to metal(loid)s. Summarizing available data, it concluded that not hyperaccumulation machinery, though they play key homeostasis. Unraveling physiological metal(loid)-binding ligands is fundamental problem modern molecular biology, physiology, ionomics, toxicology, important development technologies used phytoremediation, biofortification, phytomining.

Язык: Английский

Процитировано

62

Analysis of Heavy Metal Impacts on Cereal Crop Growth and Development in Contaminated Soils DOI Creative Commons
Ionela Cătălina Vasilachi, Vasile Stoleru, Maria Gavrilescu

и другие.

Agriculture, Год журнала: 2023, Номер 13(10), С. 1983 - 1983

Опубликована: Окт. 12, 2023

The impact of heavy metal presence in soil on cereal crops is a growing concern, posing significant challenges to global food security and environmental sustainability. Cereal crops, vital sources nutrition, face the risk contamination with toxic metals released into environment through human activities. This paper explores key aspects requiring thorough investigation foster innovation understand intricate interactions between cereals. Visible symptoms physiological changes resulting from contamination, such as chlorosis stunted growth, demand further research devise targeted mitigation strategies sustainable agricultural practices. Root barrier formation, mycorrhizal symbiosis, metal-binding proteins emerge critical defence mechanisms for combating stress, offering opportunities developing metal-tolerant varieties. Research bioavailability safety implications grains safeguard health. reveals that multidisciplinary collaboration cutting-edge technologies are essential promoting beyond state art elucidating mitigating impacts crops. Genetic breeding approaches show promise varieties, while agronomic practices amendments can reduce toxicity. Unravelling complex underlying uptake tolerance agriculture worldwide Embracing pollution proactive secure resilient future amid evolving conditions.

Язык: Английский

Процитировано

48

Impact of Heavy Metal Pollution in the Environment on the Metabolic Profile of Medicinal Plants and Their Therapeutic Potential DOI Creative Commons

Dana-Mihaela Asiminicesei,

Daniela Ionela Ferţu, Maria Gavrilescu

и другие.

Plants, Год журнала: 2024, Номер 13(6), С. 913 - 913

Опубликована: Март 21, 2024

The paper provides a comprehensive examination of heavy metal stress on medicinal plants, focusing its impact antioxidant capacity and biosynthetic pathways critical to their therapeutic potential. It explores the complex relationship between metals physiological biochemical responses highlighting how disrupts pathways, altering concentrations secondary metabolites. This disruption may compromise overall quality efficacy requiring holistic understanding cumulative impacts. Furthermore, study discusses potential targeted genetic editing enhance plant resilience against by manipulating genes associated with defenses. approach represents promising frontier in safeguarding plants metal-contaminated environments. Additionally, research investigates role phytohormone signaling adaptive mechanisms stress, revealing influence responses, thereby adding complexity adaptation. underscores importance innovative technologies global cooperation protecting plants’ highlights need for mitigation strategies address contamination effectively.

Язык: Английский

Процитировано

31

Transcriptomics, proteomics, and metabolomics interventions prompt crop improvement against metal(loid) toxicity DOI Creative Commons
Ali Raza, Hajar Salehi, Shanza Bashir

и другие.

Plant Cell Reports, Год журнала: 2024, Номер 43(3)

Опубликована: Фев. 27, 2024

The escalating challenges posed by metal(loid) toxicity in agricultural ecosystems, exacerbated rapid climate change and anthropogenic pressures, demand urgent attention. Soil contamination is a critical issue because it significantly impacts crop productivity. widespread threat of can jeopardize global food security due to contaminated supplies pose environmental risks, contributing soil water pollution thus impacting the whole ecosystem. In this context, plants have evolved complex mechanisms combat stress. Amid array innovative approaches, omics, notably transcriptomics, proteomics, metabolomics, emerged as transformative tools, shedding light on genes, proteins, key metabolites involved stress responses tolerance mechanisms. These identified candidates hold promise for developing high-yielding crops with desirable agronomic traits. Computational biology tools like bioinformatics, biological databases, analytical pipelines support these omics approaches harnessing diverse information facilitating mapping genotype-to-phenotype relationships under conditions. This review explores: (1) multifaceted strategies that use adapt their environment; (2) latest findings metal(loid)-mediated metabolomics studies across various plant species; (3) integration data artificial intelligence high-throughput phenotyping; (4) bioinformatics single and/or multi-omics integration; (5) insights into adaptations future outlooks; (6) capacity advances creating sustainable resilient thrive metal(loid)-contaminated environments.

Язык: Английский

Процитировано

25

Heavy metal stress and mitogen activated kinase transcription factors in plants: Exploring heavy metal‐ROS influences on plant signalling pathways DOI
Lee‐Ann Niekerk, Arun Gokul, Gerhard Basson

и другие.

Plant Cell & Environment, Год журнала: 2024, Номер 47(8), С. 2793 - 2810

Опубликована: Апрель 23, 2024

Due to their stationary nature, plants are exposed a diverse range of biotic and abiotic stresses, which heavy metal (HM) stress poses one the most detrimental targeting plant processes. HMs instigate overproduction reactive oxygen species (ROS), mitigate adverse effects ROS, induce multiple defence mechanisms. Besides negative implications these molecules play multitude signalling roles in plants, acting as central player complex network cells. One ROS-associated mechanisms is mitogen-activated protein kinase (MAPK) cascade, pathway transduces extracellular stimuli into intracellular responses. Plant MAPKs have been implicated involved response, phytohormone regulation, cell cycle cues. However, influence various on MAPK activation has not well documented. In this review, we address summarise several aspects related HM-induced ROS signalling. Additionally, touch how signals activate cascade downstream transcription factors that responses HMs. Moreover, propose workflow could characterise genes associated with during HM

Язык: Английский

Процитировано

16

Reducing Heavy Metal Contamination in Soil and Water Using Phytoremediation DOI Creative Commons
Ырысжан Жакыпбек, Bekzhan D. Kossalbayev, Ayaz M. Belkozhayev

и другие.

Plants, Год журнала: 2024, Номер 13(11), С. 1534 - 1534

Опубликована: Июнь 1, 2024

The increase in industrialization has led to an exponential heavy metal (HM) soil contamination, which poses a serious threat public health and ecosystem stability. This review emphasizes the urgent need develop innovative technologies for environmental remediation of intensive anthropogenic pollution. Phytoremediation is sustainable cost-effective approach detoxification contaminated soils using various plant species. discusses detail basic principles phytoremediation its ecological advantages over other methods cleaning areas technical viability. Much attention been given selection hyperaccumulator plants that can grow on metal-contaminated soils, biochemical mechanisms allow these isolate, detoxify, accumulate metals are discussed detail. novelty our study lies reviewing plant–microorganism interactions greatly enhance efficiency as well discussing genetic modifications could revolutionize cleanup soils. Moreover, this manuscript potential applications beyond detoxification, including role bioenergy production biodiversity restoration degraded habitats. concludes by listing problems result from pollution future generations still overcome suggests promising research directions integration nano- biotechnology will play important enhancing effectiveness phytoremediation. These contributions critical scientists, policy makers, practitioners seeking utilize maintain stability environment restoration.

Язык: Английский

Процитировано

16

Differentiated effects and mechanisms of N-, P-, S-, and Fe-modified biochar materials for remediating Cd- and Pb-contaminated calcareous soil DOI Creative Commons
Amir Bostani,

Xingying Meng,

Le Jiao

и другие.

Ecotoxicology and Environmental Safety, Год журнала: 2025, Номер 289, С. 117661 - 117661

Опубликована: Янв. 1, 2025

To investigate the remediation effects of various modified biochar materials derived from different impregnation agents on Cd- and Pb-contaminated calcareous soil, nitrogen (N-), phosphorus (P-), sulfur (S-), iron (Fe-) (NBC, PBC, SBC, FBC) were fabricated through impregnation-pyrolysis method employed to immobilize Pb Cd in soil. The characterization results showed that NBC exhibited an uneven pore size distribution increased aromaticity, while PBC SBC had pH ash content. Pot experiments demonstrated significantly soil immobilization plant uptake Pb. With regard pH, FBC caused a notable decrease both rhizosphere non-rhizosphere areas, other increase. NBC, effectively immobilized reduced their accumulation Chinese cabbage by 34.4 %-58.9 % for 9.2 %-53.1 Pb, with having best effect, attributed complexation, precipitation, adsorption. However, strong acidity poor ability, which available concentrations Additionally, promoted growth, enzyme activity, tolerance cabbage. Overall, identified as most effective stabilizing reducing heavy metal cabbage, boosting activity.

Язык: Английский

Процитировано

2