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Biostimulation of indigenous microbes for uranium bioremediation in former U mine water: multidisciplinary approach assessment

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Τίτλος: Biostimulation of indigenous microbes for uranium bioremediation in former U mine water: multidisciplinary approach assessment
Συγγραφείς: Newman-Portela, Antonio M., Krawczyk-Bärsch, Evelyn, Lopez-Fernandez, Margarita, Bok, Frank, Kassahun, Andrea, Drobot, Björn, Steudtner, Robin, Stumpf, Thorsten, Raff, Johannes, Merroun, Mohamed L.
Πηγή: http://lobid.org/resources/99370678538406441#!, 31(5):7227-7245.
Έτος έκδοσης: 2023
Συλλογή: Publisso (ZB MED-Publikationsportal Lebenswissenschaften)
Θεματικοί όροι: Gluconates [MeSH], Vanillic Acid [MeSH], Bioreduction, Glycerol, Oxidation-Reduction [MeSH], Biodegradation, Environmental [MeSH], Electron donors, Bioremediation, Mine water, Uranium/analysis [MeSH], Uranium, Bacterial communities, Fungal communities, Glycerol [MeSH], Research Article, Water/analysis [MeSH]
Περιγραφή: AbstractCharacterizing uranium (U) mine water is necessary to understand and design an effective bioremediation strategy. In this study, water samples from two former U-mines in East Germany were analysed. The U and sulphate (SO42−) concentrations of Schlema-Alberoda mine water (U: 1 mg/L; SO42−: 335 mg/L) were 2 and 3 order of magnitude higher than those of the Pöhla sample (U: 0.01 mg/L; SO42−: 0.5 mg/L). U and SO42− seemed to influence the microbial diversity of the two water samples. Microbial diversity analysis identified U(VI)-reducing bacteria (e.g. Desulfurivibrio) and wood-degrading fungi (e.g. Cadophora) providing as electron donors for the growth of U-reducers. U-bioreduction experiments were performed to screen electron donors (glycerol, vanillic acid, and gluconic acid) for Schlema-Alberoda U-mine water bioremediation purpose. Thermodynamic speciation calculations show that under experimental conditions, U(VI) is not coordinated to the amended electron donors. Glycerol was the best-studied electron donor as it effectively removed 99% of soluble U, 95% of Fe, and 58% of SO42− from the mine water, probably by biostimulation of indigenous microbes. Vanillic acid removed 90% of U, and no U removal occurred using gluconic acid.
Τύπος εγγράφου: article in journal/newspaper
Γλώσσα: English
Relation: https://repository.publisso.de/resource/frl:6499116; https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10821841/
DOI: 10.1007/s11356-023-31530-4
Διαθεσιμότητα: https://repository.publisso.de/resource/frl:6499116
https://doi.org/10.1007/s11356-023-31530-4
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10821841/
Rights: https://creativecommons.org/licenses/by/4.0/
Αριθμός Καταχώρησης: edsbas.3A633659
Βάση Δεδομένων: BASE
Περιγραφή
DOI:10.1007/s11356-023-31530-4