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Han X, Wang F, Zheng S, Qiu H, Liu Y, Wang J, Menguy N, Leroy E, Bourgon J, Kappler A, Liu F, Pan Y, Li J. Morphological, Microstructural, and In Situ Chemical Characteristics of Siderite Produced by Iron-Reducing Bacteria. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:11016-11026. [PMID: 38743591 DOI: 10.1021/acs.est.3c10988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Dissimilatory iron-reducing bacteria (DIRB) oxidize organic matter or hydrogen and reduce ferric iron to form Fe(II)-bearing minerals, such as magnetite and siderite. However, compared with magnetite, which was extensively studied, the mineralization process and mechanisms of siderite remain unclear. Here, with the combination of advanced electron microscopy and synchrotron-based scanning transmission X-ray microscopy (STXM) approaches, we studied in detail the morphological, structural, and chemical features of biogenic siderite via a growth experiment with Shewanella oneidensis MR-4. Results showed that along with the growth of cells, Fe(II) ions were increasingly released into solution and reacted with CO32- to form micrometer-sized siderite minerals with spindle, rod, peanut, dumbbell, and sphere shapes. They are composed of many single-crystal siderite plates that are fanned out from the center of the particles. Additionally, STXM revealed Fh and organic molecules inside siderite. This suggests that the siderite crystals might assemble around a Fh-organic molecule core and then continue to grow radially. This study illustrates the biomineralization and assembly of siderite by a successive multistep growth process induced by DIRB, also provides evidences that the distinctive shapes and the presence of organic molecules inside might be morphological and chemical features for biogenic siderite.
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Affiliation(s)
- Xiaohua Han
- Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
- Laboratory for Marine Geology, Qingdao Marine Science and Technology Center, Qingdao 266237, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519082, China
- College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Fuxian Wang
- Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
- Laboratory for Marine Geology, Qingdao Marine Science and Technology Center, Qingdao 266237, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519082, China
- College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shiling Zheng
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, China
| | - Hao Qiu
- Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
- Laboratory for Marine Geology, Qingdao Marine Science and Technology Center, Qingdao 266237, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519082, China
- College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yan Liu
- Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
- Laboratory for Marine Geology, Qingdao Marine Science and Technology Center, Qingdao 266237, China
- Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 519082, China
- College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jian Wang
- Canadian Light Source Inc., University of Saskatchewan, Saskatoon, Saskatchewan S7N 2 V3, Canada
| | - Nicolas Menguy
- Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC), Sorbonne Université, UMR 7590 CNRS, MNHN, IRD, 75252 Paris Cedex 5, France
| | - Eric Leroy
- Univ Paris Est Creteil, CNRS, ICMPE, UMR 7182, 2 Rue Henri Dunant, Thiais F-94320, France
| | - Julie Bourgon
- Univ Paris Est Creteil, CNRS, ICMPE, UMR 7182, 2 Rue Henri Dunant, Thiais F-94320, France
| | - Andreas Kappler
- Geomicrobiology, Department of Geosciences, University of Tübingen, Schnarrenbergstrasse 94-96, Tübingen 72076, Germany
| | - Fanghua Liu
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, China
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-Environmental Pollution Control and Management, Institute of Eco-Environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Yongxin Pan
- Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
- College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jinhua Li
- Key Laboratory of Earth and Planetary Physics, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
- Laboratory for Marine Geology, Qingdao Marine Science and Technology Center, Qingdao 266237, China
- College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
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da Silva RDSS, Cardoso AF, Angelica RS, Bitencourt JAP, Moreira JCF, Lucheta AR, Prado IGDO, Candela DRS, Gastauer M. Enhancing iron biogeochemical cycling for canga ecosystem restoration: insights from microbial stimuli. Front Microbiol 2024; 15:1352792. [PMID: 38827154 PMCID: PMC11140077 DOI: 10.3389/fmicb.2024.1352792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 04/26/2024] [Indexed: 06/04/2024] Open
Abstract
Introduction The microbial-induced restoration of ferruginous crusts (canga), which partially cover iron deposits and host unique ecosystems, is a promising alternative for reducing the environmental impacts of the iron mining industry. Methods To investigate the potential of microbial action to accelerate the reduction and oxidation of iron in substrates rich in hematite and goethite, four different microbial treatments (water only as a control - W; culture medium only - MO; medium + microbial consortium - MI; medium + microbial consortium + soluble iron - MIC) were periodically applied to induce iron dissolution and subsequent precipitation. Except for W, all the treatments resulted in the formation of biocemented blocks. Results MO and MI treatments resulted in significant goethite dissolution, followed by precipitation of iron oxyhydroxides and an iron sulfate phase, due to iron oxidation, in addition to the preservation of microfossils. In the MIC treatment, biofilms were identified, but with few mineralogical changes in the iron-rich particles, indicating less iron cycling compared to the MO or MI treatment. Regarding microbial diversity, iron-reducing families, such as Enterobacteriaceae, were found in all microbially treated substrates. Discussion However, the presence of Bacillaceae indicates the importance of fermentative bacteria in accelerating the dissolution of iron minerals. The acceleration of iron cycling was also promoted by microorganisms that couple nitrate reduction with Fe(II) oxidation. These findings demonstrate a sustainable and streamlined opportunity for restoration in mining areas.
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Affiliation(s)
- Rayara do Socorro Souza da Silva
- Instituto SENAI de Inovação em Tecnologias Minerais, Belém, Brazil
- Instituto de Geociências, Universidade Federal do Pará, Belém, Brazil
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Duarte EB, Neves MA, de Oliveira FB. Main chemical and mineralogical components of the Rio Doce sediments and the iron ore tailing from the Fundão Dam disaster, Southeastern Brazil. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:456. [PMID: 36892675 DOI: 10.1007/s10661-023-11087-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Accepted: 03/02/2023] [Indexed: 06/18/2023]
Abstract
Since the Fundão Dam rupture in Southeastern Brazil caused an enormous amount of iron ore tailing (IOT) to be discharged into the Doce River Catchment, various works have been published on the soil, water, and biota contamination by potentially hazardous trace metals. However, the objective of this study is to investigate changes in the main chemical composition and the mineral phases, which has not been studied yet. We present an analysis of sediment samples collected in the Doce River alluvial plain, before and after the disaster, as well as the tailing deposited. Granulometry, main chemical composition by X-ray fluorescence spectrometry, mineralogy by X-ray diffractometry, quantification of mineral phases using the Rietveld method, and scanning electron microscope imaging are shown. We conclude that the Fundão Dam rupture introduced fine particles into the Doce River alluvial plain, increasing the Fe and Al content in the sediments. The high Fe, Al, and Mn contents in the finer iron ore tailing fractions represent environmental risks for soil, water, and biotic chains. The IOT mineralogical components, mainly the muscovite, kaolinite, and hematite present in the finer particles can increase the sorption and desorption capacity of harmful trace metals depending on the natural or induced redox conditions, which are not always predictable and avoidable in the environment.
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Affiliation(s)
- Eduardo Baudson Duarte
- Instituto Federal do Espírito Santo-Campus Nova Venécia, Coordenadoria do Curso de Bacharelado em Geologia, Rod. Miguel Curry Carneiro, 799, Santa Luzia, Nova Venécia, ES, 29830-000, Brazil.
| | - Mirna Aparecida Neves
- Departamento de Geologia, Centro de Ciências Exatas, Naturais e da Saúde, Universidade Federal do Espírito Santo, Alto Universitário, s/no, Guararema, Alegre, ES, 29500-000, Brazil
| | - Fabricia Benda de Oliveira
- Departamento de Geologia, Centro de Ciências Exatas, Naturais e da Saúde, Universidade Federal do Espírito Santo, Alto Universitário, s/no, Guararema, Alegre, ES, 29500-000, Brazil
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Santos AS, Braz BF, Sanjad P, Cruz ACR, Crapez MAC, Neumann R, Santelli RE, Keim CN. Role of indigenous microorganisms and organics in the release of iron and trace elements from sediments impacted by iron mine tailings from failed Fundão dam. ENVIRONMENTAL RESEARCH 2023; 220:115143. [PMID: 36574804 DOI: 10.1016/j.envres.2022.115143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 11/21/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
After Fundão Dam failure in 2015, most of Gualaxo do Norte River in Doce River Basin in Brazil became silted by iron mining tailings consisting mainly of fine-grained quartz, hematite, and goethite. Previous work pointed to the possibility of reductive dissolution of iron and manganese from tailings, leading to mobilization of iron, manganese and trace elements. Several microorganisms were shown to reduce Fe(III) to Fe(II) and Mn(III, IV) to Mn(II) "in vitro", but their roles in mobilization of Fe and trace elements from freshwater sediments are poorly understood. In this work, bottom sediments and water collected in Gualaxo do Norte River were used to build anoxic microcosms amended with acetate, glucose or yeast extract, in order to access if heterotrophic microorganisms, either fermenters or dissimilatory Fe reducers, could reduce Fe(III) from minerals in the sediments to soluble Fe(II), releasing trace elements. The Fe(II) concentrations were measured over time, and trace elements concentrations were evaluated at the end of the experiment. In addition, minerals and biopolymers in bottom sediments were quantified. Results showed that organic substrates, notably glucose, fuelled microbial reduction of iron minerals and release of Fe(II), Mn, Ba, Al and/or Zn from sediments. In general, higher concentrations of organic substrates elicited mobilization of larger amounts of Fe(II) and trace elements from sediments. The results point to the possibility of mobilization of huge amounts of iron and trace elements from sediments to water if excess biodegradable organic matter is released in rivers affected by iron mine tailings.
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Affiliation(s)
- Alex S Santos
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro - UFRJ, Av. Carlos Chagas Filho, 373, Cidade Universitária, 21941-902, Rio de Janeiro, RJ, Brazil
| | - Bernardo F Braz
- LaDA, Instituto de Química, Universidade Federal do Rio de Janeiro - UFRJ, Av. Athos da Silveira Ramos 149, Bloco A, 518, 21941-909, Cidade Universitária, Rio de Janeiro, RJ, Brazil
| | - Pedro Sanjad
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro - UFRJ, Av. Carlos Chagas Filho, 373, Cidade Universitária, 21941-902, Rio de Janeiro, RJ, Brazil
| | - Ana Caroline R Cruz
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro - UFRJ, Av. Carlos Chagas Filho, 373, Cidade Universitária, 21941-902, Rio de Janeiro, RJ, Brazil
| | - Miriam A C Crapez
- Programa Dinâmica dos Oceanos e da Terra, Departamento de Geologia e Geofísica, Universidade Federal Fluminense, Av. Milton Tavares de Souza, Gragoatá, 24210-346, Niterói, RJ, Brazil
| | - Reiner Neumann
- Centre for Mineral Technology (CETEM), Avenida Pedro Calmon, 900, Cidade Universitária, 21941-908, Rio de Janeiro, RJ, Brazil; PPGeo - Postgraduate Program in Geosciences, National Museum, Universidade Federal do Rio de Janeiro, Av. Quinta da Boa Vista, S/N, São Cristóvão, 20940-040, Rio de Janeiro, RJ, Brazil
| | - Ricardo E Santelli
- LaDA, Instituto de Química, Universidade Federal do Rio de Janeiro - UFRJ, Av. Athos da Silveira Ramos 149, Bloco A, 518, 21941-909, Cidade Universitária, Rio de Janeiro, RJ, Brazil
| | - Carolina N Keim
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro - UFRJ, Av. Carlos Chagas Filho, 373, Cidade Universitária, 21941-902, Rio de Janeiro, RJ, Brazil.
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Gaeta NC, de Carvalho DU, Fontana H, Sano E, Moura Q, Fuga B, Munoz PM, Gregory L, Lincopan N. Genomic features of a multidrug-resistant and mercury-tolerant environmental Escherichia coli recovered after a mining dam disaster in South America. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 823:153590. [PMID: 35122850 PMCID: PMC8994849 DOI: 10.1016/j.scitotenv.2022.153590] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 01/21/2022] [Accepted: 01/28/2022] [Indexed: 05/03/2023]
Abstract
Mining dam disasters contribute to the contamination of aquatic environments, impacting associated ecosystems and wildlife. A multidrug-resistant Escherichia coli strain (B2C) was isolated from a river water sample in Brazil after the Mariana mining dam disaster. The genome was sequenced using the Illumina MiSeq platform, and de novo assembled using Unicycler. Resistome, virulome, and plasmidome were predicted using bioinformatics tools. Data analysis revealed that E. coli B2C belonged to sequence type ST219 and phylogroup E. Strikingly, a broad resistome (antibiotics, hazardous heavy metals, and biocides) was predicted, including the presence of the clinically relevant blaCTX-M-2 extended-spectrum β-lactamase (ESBL) gene, qacE∆1 efflux pump gene, and the mer (mercury resistance) operon. SNP-based analysis revealed that environmental E. coli B2C was clustered along to ESBL-negative E. coli strains of ST219 isolated between 1980 and 2021 from livestock in the United States of America. Acquisition of clinically relevant genes by ST219 seems to be a recent genetic event related to anthropogenic activities, where polluted water environments may contribute to its dissemination at the human-animal-environment interface. In addition, the presence of genes conferring resistance to heavy metals could be related to environmental pollution from mining activities. Antimicrobial resistance genes could be essential biomarkers of environmental exposure to human and mining pollution.
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Affiliation(s)
- Natália C Gaeta
- Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil; Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil.
| | - Daniel U de Carvalho
- Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Herrison Fontana
- Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil; One Health Brazilian Resistance Project (OneBR), Brazil
| | - Elder Sano
- One Health Brazilian Resistance Project (OneBR), Brazil; Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | - Quézia Moura
- Federal Institute of Education, Science and Technology of Espírito Santo, Vila Velha, Brazil
| | - Bruna Fuga
- Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil; One Health Brazilian Resistance Project (OneBR), Brazil; Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
| | | | - Lilian Gregory
- Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Nilton Lincopan
- Department of Clinical Analysis, School of Pharmacy, University of São Paulo, São Paulo, Brazil; One Health Brazilian Resistance Project (OneBR), Brazil; Department of Microbiology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
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Zheng T, Li S, Zhang L. Characterization model of silicon dioxide melting based On image analysis. JOURNAL OF INTELLIGENT & FUZZY SYSTEMS 2022. [DOI: 10.3233/jifs-212971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The silicon dioxide is the hardest part to melt among the iron tailing components, the melting behavior of iron tailing can be represented by the melting behavior of silicon dioxide. Estimating the real-time melting rate of silicon dioxide in the time sequence provide guidance for the tailing addition and heat compensation in the process of slag cotton preparation, also indirectly improved the direct fiber forming technology of blast furnace slag. The position of silicon dioxide particles in the high-temperature molten pool during the melting process is changing constantly, using a strong weighted distance centroid algorithm to rack the centroid position of silicon dioxide particles during the melting process, and present the motion trail of centroid of silicon dioxide. In the paper, extracting indexes which represent the edge outline characteristics of silicon dioxide during the melting process of silicon dioxide using Snake active contour algorithm combined with Sobel operator, include shape, perimeter and area. Using the extracted skeleton characteristics, a three-dimensional skeleton generation model is created. From the skeleton data, estimating the volume of silicon dioxide and determine the parameter formula for the actual melting rate of silicon dioxide. The silicon dioxide melting rate at each moment is calculated by numerical simulation. The results of the Hough test circle and the silicon dioxide melting rate are verified. The rationality of the model is further determined.
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Affiliation(s)
- Ting Zheng
- College of Computer and Information, Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Shangze Li
- College of Computer and Information, Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
| | - Luyan Zhang
- College of Computer and Information, Inner Mongolia Medical University, Hohhot, Inner Mongolia, China
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