Foliar Application of Nanoparticles Reduced Cadmium Content in Wheat (Triticum aestivum L.) Grains via Long-Distance “Leaf–Root–Microorganism” Regulation

Environmental Science & Technology, Journal Year: 2024, Volume and Issue: 58(16), P. 6900 - 6912

Published: April 13, 2024

Foliar application of beneficial nanoparticles (NPs) exhibits potential in reducing cadmium (Cd) uptake crops, necessitating a systematic understanding their leaf-root-microorganism process for sustainable development efficient nano-enabled agrochemicals. Herein, wheat grown Cd-contaminated soil (5.23 mg/kg) was sprayed with different rates four commonly used NPs, including nano selenium (SeNPs)/silica (SiO

Language: Английский

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Safe Production of Rice (Oryza sativa L.) in Arsenic-Contaminated Soil: a Remedial Strategy using Micro-Nanostructured Bone Biochar

Environmental Science & Technology, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 13, 2025

This study investigated the effects of fine-sized pork bone biochar particles on remediating As-contaminated soil and alleviating associated phytotoxicity to rice in 50-day short-term 120-day full-life-cycle pot experiments. The addition micro-nanostructured (BC) pyrolyzed at 400 600 °C (BC400 BC600) significantly increased As-treated shoot root fresh weight by 24.4–77.6%, while simultaneously reducing tissue As accumulation 26.7–64.1% increasing content 17.1–27.1% as compared treatment. Microbial community analysis demonstrated that BC600 BC400 treatments proportion plant growth-promoting microbes such Ceratobasidium Achromobacter 33–81.6% roots adsorption-associated Bacillus 1.15–1.59-fold rhizosphere soil. Metabolomic profiling suggests BC coexposure triggered differentially expressed metabolites (DEMs) enriched lipid, carbohydrate, amino acid metabolic pathways, all which could alleviate As-induced promote tolerance. Importantly, quality grains was improved amendments. demonstrates significant potential for enhancing crop growth minimizing provides a framework promising strategy heavy metal(loid)-contaminated promoting food safety.

Language: Английский

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Physiological and molecular mechanisms of ZnO quantum dots mitigating cadmium stress in Salvia miltiorrhiza

Journal of Hazardous Materials, Journal Year: 2024, Volume and Issue: 470, P. 134245 - 134245

Published: April 9, 2024

Language: Английский

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Zno nanoparticles: improving photosynthesis, shoot development, and phyllosphere microbiome composition in tea plants

Journal of Nanobiotechnology, Journal Year: 2024, Volume and Issue: 22(1)

Published: July 2, 2024

Abstract Background Nanotechnology holds revolutionary potential in the field of agriculture, with zinc oxide nanoparticles (ZnO NPs) demonstrating advantages promoting crop growth. Enhanced photosynthetic efficiency is closely linked to improved vigor and superior quality tea plants, complemented by beneficial role phyllosphere microorganisms maintaining plant health. However, effects ZnO NPs on photosynthesis sprouting new shoots, community have not been fully investigated. Results This study investigated physiological parameters plants under influence NPs, content key enzymes such as RubisCO, chlorophyll content, fluorescence parameters, transcriptomic extensive targeted metabolomic profiles leaves mineral element composition these tissues, epiphytic endophytic microbial communities within phyllosphere. The results indicated that could enhance upregulate expression some genes related photosynthesis, increase accumulation products, promote development alter various elements shoots plants. Furthermore, application was observed favorably structure shift dynamics suggests a for contribute health productivity modulating microbiome. Conclusion demonstrates positive impact microorganisms, which can improve growth condition These findings provide scientific evidence sustainable agricultural advancing research nanobiotechnology aimed at enhancing yield quality. Graphical

Language: Английский

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Multifaceted impacts of nanoparticles on plant nutrient absorption and soil microbial communities

Frontiers in Plant Science, Journal Year: 2024, Volume and Issue: 15

Published: Nov. 13, 2024

With the growth of global population and increasing scarcity resources, sustainability efficiency improvement agricultural production have become urgent needs. The rapid development nanotechnology provides new solutions to this challenge, especially application nanoparticles in agriculture, which is gradually demonstrating its unique advantages broad prospects. Nonetheless, various can influence plant diverse manners, often through distinct mechanisms action. Beyond their direct effects on itself, they frequently alter physicochemical properties soil modulate structure microbial communities rhizosphere. This review focuses intently methods growth, delving deeply into interactions between plants, as well with communities. aim offer a comprehensive reference for utilization functionalized sector.

Language: Английский

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ZnO quantum dots alleviate salt stress in Salvia miltiorrhiza by enhancing growth, scavenging reactive oxygen species, and modulating stress-responsive genes

Environmental Pollution, Journal Year: 2024, Volume and Issue: 344, P. 123363 - 123363

Published: Jan. 17, 2024

Language: Английский

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Biosynthesized Selenium Nanoparticles as an Effective Tool to Combat Soil Metal Stresses in Rice (Oryza sativa L.)

ACS Nano, Journal Year: 2024, Volume and Issue: unknown

Published: July 1, 2024

Nanotechnology has demonstrated significant potential to improve agricultural production and increase crop tolerance abiotic stress including exposure heavy metals. The present study investigated the mechanisms by which aloe vera extract gel-biosynthesized (AVGE) selenium nanoparticles (Se NPs) alleviated cadmium (Cd)-induced toxicity rice (Oryza sativa L.). AVGE Se NPs, chemically synthesized bare NaSeO3 as an ionic control were applied Cd-stressed seedlings via root in both hydroponic soil systems. Upon NPs at 15 mg Se/L, fresh biomass was significantly increased 100.7% 19.5% compared Cd conventional NPs. Transcriptional analyses highlighted that activated signaling defense related pathways, glutathione metabolism, phenylpropanoid biosynthesis plant hormone signal transduction. Specifically, upregulated expression of genes associated with gibberellic acid (GA) 4.79- 3.29-fold Cd-alone treatment untreated control, respectively. Importantly, restored composition endophyte community recruit beneficial species under exposure; relative abundance Azospirillum roots, shoots, rhizosphere 0.73-, 4.58- 0.37-fold, respectively, treatment. Collectively, these findings highlight enhance growth minimize Cd-induced provide a promising nanoenabled strategy food safety upon cultivation contaminated soils.

Language: Английский

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Zinc oxide nanoparticles cooperate with the phyllosphere to promote grain yield and nutritional quality of rice under heatwave stress

Proceedings of the National Academy of Sciences, Journal Year: 2024, Volume and Issue: 121(46)

Published: Nov. 4, 2024

To address rising global food demand, the development of sustainable technologies to increase productivity is urgently needed. This study revealed that foliar application zinc oxide nanoparticles (ZnO NPs; 30 80 nm, 0.67 mg/d per plant, 6 d) rice leaves under heatwave (HW) stress increased grain yield and nutritional quality. Compared with HW control, HWs+ZnO group presented increases in yield, protein content, amino acid content 22.1%, 11.8%, 77.5%, respectively. Nanoscale ZnO aggregated on leaf surface interacted molecules. at ambient temperature, treatment dissolution NPs by 25.9% facilitated their translocation mesophyll cells. The Zn existed as both ionic particulate ZnO. conditions nutrient levels (Zn, Mn, Cu, Fe, Mg) 15.8 416.9%, chlorophyll 22.2 24.8%, Rubisco enzyme activity 21.2%, antioxidant 26.7 31.2%. Transcriptomic analyses reversed HW-induced transcriptomic dysregulation, thereby enhancing photosynthesis 74.4%. Additionally, diversity, stability, enrichment beneficial microbial taxa protected phyllosphere community from damage. work elucidates how interact phyllosphere, highlighting potential promote agriculture, especially extreme climate events (e.g., HWs).

Language: Английский

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Cell Wall Pectin Content Refers to Favored Delivery of Negatively Charged Carbon Dots in Leaf Cells

ACS Nano, Journal Year: 2023, Volume and Issue: 17(23), P. 23442 - 23454

Published: Nov. 22, 2023

In this work, we systematically investigated how cell wall and components affect the delivery of charged carbon quantum dots (CDs, from −34 to +41 mV) leaf cells cucumber Arabidopsis plants. Four different types in were used, i.e., protoplasts (without wall), isolated individual (cell hydrolyzed with pectinase), regenerated protoplast), intact (intact wall, planta). Leaf incubated CDs (0.5 mg/mL) for 2 h. Confocal imaging results showed that protoplasts, cells, favored uptake negatively (−34 compared PEI (polyethylenimine) coated positively [PEI600-CDs (17 PEI10K-CDs (41 mV)], while trend is opposite. The content no significant changes total found between (1.28 vs 1.11 mg/106 cells), higher pectin [water-soluble (0.13 0.06 P < 0.01), chelator-soluble (0.04 0.01 alkaline (0.02 0.01)] lower cellulose 0.32 0.01) than cells. No difference hemicellulose was (0.20 0.21 cells). Our suggest a more important factor referring Overall, work provides method study role nanoparticles plant also points out importance understanding interactions barriers design agricultural use.

Language: Английский

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Visible‐light‐driven water‐soluble zinc oxide quantum dots for efficient control of citrus canker

Pest Management Science, Journal Year: 2024, Volume and Issue: 80(6), P. 3022 - 3034

Published: Feb. 7, 2024

Abstract BACKGROUND Citrus canker caused by Xanthomonas citri subsp. (Xcc) is a devastating bacterial disease that reduces citrus yield and quality, posing serious threat to the industry. Several conventional chemicals have been used control canker. However, this approach often leads excessive use of chemical agents, can exacerbate environmental pollution promotes development resistant Xcc. Therefore, there significant interest in efficient environmentally friendly technologies RESULTS In study, water‐soluble ZnO quantum dots (ZnO QDs) were synthesised as an nanopesticide against The results showed antibacterial activity QDs irradiated with visible light [half‐maximal effective concentration (EC 50 ) = 33.18 μg mL −1 ] was ~3.5 times higher than dark‐treated group 114.80 ). induced generation reactive oxygen species (•OH, •O − 2 1 O under irradiation, resulting DNA damage, cytoplasmic destruction, decreased catalase superoxide dismutase activities. Transcription analysis downregulation Xcc genes related ‘biofilms, virulence, adhesion’ ‘DNA transfer’ exposure QDs. More importantly, also promoted growth citrus. CONCLUSION This research provides new insights into photocatalytic mechanisms supports more safer QDs‐based nanopesticides © 2024 Society Chemical Industry.

Language: Английский

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