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Microbial assisted alleviation of nickel toxicity in plants: A review.
Ecotoxicol Environ Saf
January 2025
Department of Biosystems and Technology, Swedish University of Agricultural Sciences, Alnarp 23456, Sweden. Electronic address:
Nickel (Ni) is required in trace amounts (less than 500 µg kg) in plants to regulate metabolic processes, the immune system, and to act as an enzymatic catalytic cofactor. Conversely, when nickel is present in high concentration, it is considered as a toxic substance. Excessive human nickel exposure occurs through ingestion, inhalation, and skin contact, ultimately leading to respiratory, cardiovascular, and chronic kidney diseases.
View Article and Find Full Text PDFEnvironmental risks and agronomic benefits of industrial sewage sludge-derived biochar.
PeerJ
December 2024
Department of Chemistry, University of Trnava, Trnava, Slovakia.
Article Synopsis
- - The study evaluates the safety of using thermochemically treated sewage sludge from a distillery's wastewater treatment plant as a soil additive by examining its physicochemical properties and the bioaccumulation of heavy metals in maize.
- - Pyrolysis at 400 °C alters the sludge's characteristics positively, increasing pH, carbon, nitrogen, and ash content, while reducing electrical conductivity, cation exchange capacity, and harmful polycyclic aromatic hydrocarbons.
- - Results show that adding 1% biochar from the treated sludge improves soil properties and doesn't enhance heavy metal uptake in maize or affect cress seed germination, though it does impact the soil's microbial community.
Myco-assisted phytoextraction of heavy metals with vetiver grass: a green technology for cleaning tannery effluent contaminated sites.
Environ Monit Assess
November 2024
Nammazhvar Organic Farming Research Centre, Tamil Nadu Agricultural University, Coimbatore, 641003, Tamil Nadu, India.
Article Synopsis
- Metal toxicity impacts plant physiology, and mycorrhizal fungi (AMF) offer a new eco-friendly method to improve soil contaminated by tannery effluents, which are high in harmful metals like chromium and cadmium.* -
- A study was conducted using vetiver grass and three strains of AMF on contaminated soil from Tamil Nadu, revealing that AMF inoculation, particularly with R. intraradices, boosted plant growth and biomass significantly compared to other treatments.* -
- Results indicated that R. intraradices improved the phytoextraction of metals, reduced their movement into plant shoots, and increased carbon storage in vetiver, enhancing overall carbon sequestration in contaminated soil.*
Unveiling the chromate stress response in the marine bacterium Bacillus enclensis AGM_Cr8: a multifaceted investigation.
World J Microbiol Biotechnol
November 2024
School of Biotechnology and Bioinformatics, D.Y. Patil University, Navi Mumbai, India.
Article Synopsis
- - The study introduces Bacillus enclensis AGM_Cr8, a marine bacterium found in polluted Versova Creek, Mumbai, that displays significant tolerance to chromate stress and other heavy metals such as lead and arsenic.
- - Various microscopic techniques show how AGM_Cr8 absorbs chromate, with evidence of both surface interaction and internal bioaccumulation, suggesting a bioreduction mechanism that converts harmful Cr(VI) into less toxic Cr(III).
- - Genome sequencing reveals twenty-two genes related to chromate tolerance and detoxification processes, indicating AGM_Cr8's potential for bioremediation of chromium contamination in the environment.
Retraction: Sequestration of chromium(vi) and nickel(ii) heavy metals from unhygienic water sustainable and innovative magnetic nanotechnology.
Nanoscale Adv
October 2024
School of Architecture, Computing and Engineering, University of East London EB 1.102 Docklands Campus, University Way London E16 2RD UK.
Article Synopsis
- The article with DOI: 10.1039/D3NA00923H has been formally retracted.
- This means that the findings or claims made in the article are no longer considered valid.
- Retraction can occur due to issues like errors, misconduct, or ethical breaches in the research process.
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