ArticleEnvironmental science and pollution research international2015
Mechanism of Cr(VI) reduction by Aspergillus niger: enzymatic characteristic, oxidative stress response, and reduction product.
Article in Environmental science and pollution research international, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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Who cites it
18 citing papers in PubMed, 107 citations in OpenAlex.
- Integrated biosorption and bioreduction of hexavalent chromium using Fusarium species under optimized process parameters.Scientific reports · 2026Article
- Fungal fuel cells: an environmentally friendly approach to addressing heavy metal pollution and electricity production.Frontiers in microbiology · 2026Review
- Article
- Functional genomic analysis ofCurrent research in microbial sciences · 2025Article
- Microbial mediated remediation of heavy metals toxicity: mechanisms and future prospects.Frontiers in plant science · 2024Review
- Long-Chain Alkylphenol Biodegradation Potential of Soil Ascomycota.Doklady biological sciences : proceedings of the Academy of Sciences of the USSR, Biological sciences sections · 2023Article
- Article
- Isotherm and kinetics modeling of biosorption and bioreduction of the Cr(VI) by Brachybacterium paraconglomeratum ER41.Extremophiles : life under extreme conditions · 2022Article
- Fungal and oomycete pathogens and heavy metals: an inglorious couple in the environment.IMA fungus · 2022Review
- Mechanism of Cr (VI) reduction byIranian journal of biotechnology · 2022Article
- Chromium toxicity, speciation, and remediation strategies in soil-plant interface: A critical review.Frontiers in plant science · 2022Review
- Biotransformation of Chromium (VI) via a Reductant Activity from the Fungal StrainJournal of fungi (Basel, Switzerland) · 2021Article
- Mycoremediation of heavy metals: processes, mechanisms, and affecting factors.Environmental science and pollution research international · 2021Review
- Bioremediation of toxic heavy metals (THMs) contaminated sites: concepts, applications and challenges.Environmental science and pollution research international · 2020Review
- Cr(VI) removal performance from aqueous solution by Pseudomonas sp. strain DC-B3 isolated from mine soil: characterization of both Cr(VI) bioreduction and total Cr biosorption processes.Environmental science and pollution research international · 2019Article
- Effects of Pb(II) and Cr(VI) Stress on Phosphate-Solubilizing Bacteria (International journal of environmental research and public health · 2019Article
- Heavy Metals Biosorption from Aqueous Solution by EndophyticMycobiology · 2017Article
- Microbial interactions with chromium: basic biological processes and applications in environmental biotechnology.World journal of microbiology & biotechnology · 2016Review
Corrections and comments
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Authors and funding
10 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bioremediation of hexavalent chromium by Aspergillus niger was attributed to the reduction product (trivalent chromium) that could be removed in precipitation and immobilized inside the fungal cells and on the surface of mycelium. The site location of reduction was conducted with assays of the permeabilized cells, cell-free extracts, and cell debris, which confirmed that the chromate reductase was mainly located in the soluble fraction of cells. The oxidation-reduction process was accompanied by the increase of reactive oxygen species and antioxidant levels after hexavalent chromium treatment. Michaelis-Menten constant (K(m)) and maximum reaction rate (V(max)), obtained from the Lineweaver-Burk plot were 14.68 μM and 434 μM min(-1) mg(-1) of protein, respectively. Scanning electron microscopy and Raman spectra analyses manifested that both Cr(VI) and Cr(III) species were present on the mycelium. Fourier transform-infrared spectroscopy analysis suggested that carboxyl, hydroxide, amine, amide, cyano-group, and phosphate groups from the fungal cell wall were involved in chromium binding by the complexation with the Cr(III) and Cr(VI) species. A Cr(VI) removal mechanism of Cr(VI) reduction followed by the surface immobilization and intracellular accumulation of Cr(III) in living A. niger was present.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.