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Yuan Y, Zhang J, Zhang L, Yin W, Zhang S, Chen T, Li Z, Ding C, Cheng H, Wang A, Chen F. Frequency-modulated alternating current-driven bioelectrodes for enhanced mineralization of Alizarin Yellow R. JOURNAL OF HAZARDOUS MATERIALS 2024; 475:134906. [PMID: 38889455 DOI: 10.1016/j.jhazmat.2024.134906] [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: 03/29/2024] [Revised: 05/18/2024] [Accepted: 06/12/2024] [Indexed: 06/20/2024]
Abstract
The alternating current (AC)-driven bioelectrochemical process, in-situ coupling cathodic reduction and anodic oxidation in a single electrode, offers a promising way for the mineralization of refractory aromatic pollutants (RAPs). Frequency modulation is vital for aligning reduction and oxidation phases in AC-driven bioelectrodes, potentially enhancing their capability to mineralize RAPs. Herein, a frequency-modulated AC-driven bioelectrode was developed to enhance RAP mineralization, exemplified by the degradation of Alizarin Yellow R (AYR). Optimal performance was achieved at a frequency of 1.67 mHz, resulting in the highest efficiency for AYR decolorization and subsequent mineralization of intermediates. Performance declined at both higher (3.33 and 8.30 mHz) and lower (0.83 mHz) frequencies. The bioelectrode exhibited superior electron utilization, bidirectional electron transfer, and redox bifunctionality, effectively aligning reduction and oxidation processes to enhance AYR mineralization. The 1.67 mHz frequency facilitated the assembly of a collaborative microbiome dedicated to AYR bio-mineralization, characterized by an increased abundance of functional consortia proficient in azo dye reduction (e.g., Stenotrophomonas and Shinella), aromatic intermediates oxidation (e.g., Sphingopyxis and Sphingomonas), and electron transfer (e.g., Geobacter and Pseudomonas). This study reveals the role of frequency modulation in AC-driven bioelectrodes for enhanced RAP mineralization, offering a novel and sustainable approach for treating RAP-bearing wastewater.
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Affiliation(s)
- Ye Yuan
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, PR China
| | - Junjie Zhang
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, PR China
| | - Lulu Zhang
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, PR China
| | - Wanxin Yin
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, PR China
| | - Shihan Zhang
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, PR China
| | - Tianming Chen
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, PR China
| | - Zhaoxia Li
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, PR China
| | - Cheng Ding
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, PR China
| | - Haoyi Cheng
- State Key Laboratory of Urban Water Resource and Environment, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, PR China
| | - Aijie Wang
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, PR China; State Key Laboratory of Urban Water Resource and Environment, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, PR China.
| | - Fan Chen
- School of Environmental Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, PR China; Shaanxi Key Laboratory of Qinling Ecological Intelligent Monitoring and Protection, School of Ecology and Environment, Northwestern Polytechnical University, Xi'an 710129, PR China.
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Huong Nguyen T, Thong Vo T, Watari T, Hatamoto M, Setiadi T, Yamaguchi T. Azo dye anaerobic treatment in anaerobic reactors coupled with PVA/Fe/Starch gel bead. BIORESOURCE TECHNOLOGY 2024; 407:131102. [PMID: 39019198 DOI: 10.1016/j.biortech.2024.131102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 06/22/2024] [Accepted: 07/09/2024] [Indexed: 07/19/2024]
Abstract
A novel bio-carrier, PVA/Fe/starch gel bead, was fabricated and developed to enhance the anaerobic treatment performance of synthetic azo dye-containing wastewater. PVA-gel beads with 5 % magnetite and 0.5 % starch were optimal for physical strength and treatment performance. A pair of 2 L-up-flow anaerobic sludge blankets (UASB), one with the bead (UB) and another without (U) as a controller, operated continuously at 30 °C and an HRT of 11-24 h for 302 days. UB showed better performance than U in most phases, especially with influent dye of 200 mg·L-1, suggesting a greater tolerance to dye toxicity of UB than U. Microbial analysis revealed that the PVA/Fe/starch gel beads successfully captured the dye degrader Clostridium. Diversity indices indicated that PVA/Fe/Starch gel beads effectively support microbial diversity and resilience under varying dye concentrations. Overall, these findings demonstrate the potential of PVA/Fe/Starch gel beads to improve the stability and efficiency of the dye treatment system.
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Affiliation(s)
- Thu Huong Nguyen
- Department of Science of Technology Innovation, Nagaoka University of Technology, Niigata 940-2188, Japan
| | - Tien Thong Vo
- Department of Civil and Environmental Engineering, Nagaoka University of Technology, Niigata 940-2188, Japan
| | - Takahiro Watari
- Department of Civil and Environmental Engineering, Nagaoka University of Technology, Niigata 940-2188, Japan; School of Chemical Engineering, Hanoi University of Science and Technology, Hanoi, Viet Nam.
| | - Masashi Hatamoto
- Department of Civil and Environmental Engineering, Nagaoka University of Technology, Niigata 940-2188, Japan
| | - Tjandra Setiadi
- Department of Chemical Engineering, Faculty of Industrial Technology, Bandung Institute of Technology, 40132, Indonesia
| | - Takashi Yamaguchi
- Department of Science of Technology Innovation, Nagaoka University of Technology, Niigata 940-2188, Japan; Department of Civil and Environmental Engineering, Nagaoka University of Technology, Niigata 940-2188, Japan
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Jasińska A, Walaszczyk A, Paraszkiewicz K. Omics-Based Approaches in Research on Textile Dye Microbial Decolorization. Molecules 2024; 29:2771. [PMID: 38930836 PMCID: PMC11206425 DOI: 10.3390/molecules29122771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Revised: 06/02/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
The development of the textile industry has negative effects on the natural environment. Cotton cultivation, dyeing fabrics, washing, and finishing require a lot of water and energy and use many chemicals. One of the most dangerous pollutants generated by the textile industry is dyes. Most of them are characterized by a complex chemical structure and an unfavorable impact on the environment. Especially azo dyes, whose decomposition by bacteria may lead to the formation of carcinogenic aromatic amines and raise a lot of concern. Using the metabolic potential of microorganisms that biodegrade dyes seems to be a promising solution for their elimination from contaminated environments. The development of omics sciences such as genomics, transcriptomics, proteomics, and metabolomics has allowed for a comprehensive approach to the processes occurring in cells. Especially multi-omics, which combines data from different biomolecular levels, providing an integrative understanding of the whole biodegradation process. Thanks to this, it is possible to elucidate the molecular basis of the mechanisms of dye biodegradation and to develop effective methods of bioremediation of dye-contaminated environments.
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Affiliation(s)
- Anna Jasińska
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, 90-237 Lodz, Poland;
| | - Aleksandra Walaszczyk
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, Doctoral School of Exact and Natural Sciences, University of Lodz, 90-237 Lodz, Poland;
| | - Katarzyna Paraszkiewicz
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, 90-237 Lodz, Poland;
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Liu J, Fan L, Yin W, Zhang S, Su X, Lin H, Yu H, Jiang Z, Sun F. Anaerobic biodegradation of azo dye reactive black 5 by a novel strain Shewanella sp. SR1: Pathway and mechanisms. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 347:119073. [PMID: 37776795 DOI: 10.1016/j.jenvman.2023.119073] [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: 05/04/2023] [Revised: 07/13/2023] [Accepted: 08/30/2023] [Indexed: 10/02/2023]
Abstract
The efficiency of microbial populations in degrading refractory pollutants and the impact of adverse environmental factors often presents challenges for the biological treatment of azo dyes. In this study, the genome analysis and azo dye Reactive Black 5 (RB5) degrading capability of a newly isolated strain, Shewanella sp. SR1, were investigated. By analyzing the genome, functional genes involved in dye degradation and mechanisms for adaptation to low-temperature and high-salinity conditions were identified in SR1. The addition of co-substrates, such as glucose and yeast extract, significantly enhanced RB5 decolorization efficiency, reaching up to 87.6%. Notably, SR1 demonstrated remarkable robustness towards a wide range of NaCl concentrations (1-30 g/L) and temperatures (10-30 °C), maintaining efficient decolorization and high biomass concentration. The metabolic pathways of RB5 degradation were deduced based on the metabolites and genes detected in the genome, in which the azo bond was first cleaved by FMN-dependent NADH-azoreductase and NAD(P)H-flavin reductase, followed by deamination, desulfonation, and hydroxylation mediated by various oxidoreductases. Importantly, the degradation metabolites exhibited reduced toxicity, as revealed by toxicity analysis. These findings highlighted the great potential of Shewanella sp. SR1 for bioremediation of wastewaters contaminated with azo dyes.
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Affiliation(s)
- Jiale Liu
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Lu Fan
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Wenjun Yin
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Shusheng Zhang
- The Management Center of Wuyanling National Natural Reserve in Zhejiang, Wenzhou 325500, China
| | - Xiaomei Su
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China.
| | - Hongjun Lin
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Haiying Yu
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China
| | - Zhenghai Jiang
- Zhejiang Haihe Environmental Technology Co. Ltd, Jinhua 321017, China
| | - Faqian Sun
- College of Geography and Environmental Science, Zhejiang Normal University, Jinhua 321004, China.
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Patel Y, Gupte A. Accelerated biodecolorization and detoxification of synthetic textile dye Acid Maroon V by bacterial consortium under redox mediator system. 3 Biotech 2023; 13:51. [PMID: 36685318 PMCID: PMC9845506 DOI: 10.1007/s13205-023-03466-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 01/03/2023] [Indexed: 01/18/2023] Open
Abstract
The treatment of textile industrial wastewater is an important concern owing to its negative impact on the biosphere. The present study highlighted dye decolorization potential of bacterial consortium EDPA containing Enterobacter dissolvens AGYP1 and Pseudomonas aeruginosa AGYP2 in the presence of redox mediators. Rapid decolorization of Acid Maroon V (100 mg l-1) was achieved in the presence of lawsone compared to other redox mediators. The dye decolorization was best fitted with first order kinetics with higher reaction kinetics (k1 = 0.328 h-1) and regression coefficient (R2 = 0.979). The removal of dye by the consortium was 1.47 times faster in 8 h with 0.01 mM lawsone. The consortium EDPA was able to decolorize 1200 mg l-1 concentration of dye with apparent R max , K m and R max /K m values 1000 mg l-1 h-1, 5000 mg l-1 and 0.2 h-1, respectively. The lawsone-mediated system could decolorize the dye 80.44% in 10 h at the end of 11 dye spiking cycle. The superior biodecolorization of 14 different textile dyes was obtained in the presence of lawsone-mediated system. The intracellular enzyme activities of azoreductase, NADH-DCIP reductase, laccase, manganese peroxidase and lignin peroxidase increased significantly. The sequential microaerophilic-aerobic incubation resulted into 89.31% reduction of total aromatic amines. The microbial toxicity, phytotoxicity and genotoxicity measurements revealed biotransformation of toxic nature of dye Acid Maroon V into non-toxic metabolites by the action of consortium EDPA, and thus its suitability for biotreatment of dye containing industrial effluents. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-023-03466-6.
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Affiliation(s)
- Yogesh Patel
- Department of Microbiology, College of Basic Science and Humanities (CBSH), Sardarkrushinagar Dantiwada Agricultural University (SDAU), Sardarkrushinagar, 385506 Gujarat India
| | - Akshaya Gupte
- Department of Microbiology, Natubhai V. Patel College of Pure and Applied Sciences, Vallabh Vidyanagar, 388120 Anand, Gujarat India
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Xie X, Zheng H, Zhang Q, Fan J, Liu N, Song X. Co-metabolic biodegradation of structurally discrepant dyestuffs by Klebsiella sp. KL-1: A molecular mechanism with regards to the differential responsiveness. CHEMOSPHERE 2022; 303:135028. [PMID: 35605735 DOI: 10.1016/j.chemosphere.2022.135028] [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: 01/18/2022] [Revised: 05/03/2022] [Accepted: 05/17/2022] [Indexed: 06/15/2023]
Abstract
In this study, an attempt was made to decipher the underlying differential response mechanism of Klebsiella sp. KL-1 induced by exposure to disparate categories of dyestuffs in xylose (Xyl) co-metabolic system. Here, representative reactive black 5 (RB5), remazol brilliant blue R (RBBR) and malachite green (MG) belonging to the azo, anthraquinone and triphenylmethane categories were employed as three model dyestuffs. Klebsiella sp. KL-1 enabled nearly 98%, 80% or 97% removal of contaminants in assays Xyl + RB5, Xyl + RBBR or Xyl + MG after 48 h, which was respectively 16%, 11% or 22% higher than those in the assays devoid of xylose. LC-QTOF-MS revealed an increased formation of smaller molecular weight intermediates in assay Xyl + RB5, whereas more metabolic pathways were deduced in assay Xyl + RBBR. Metaproteomics analysis displayed remarkable proteome alteration with regards to the structural difference effect of dyestuffs by Klebsiella sp. KL-1. Significant (p-value<0.05) activation of pivotal candidate NADH-quinone oxidoreductase occurred after 48 h of disparate dyestuff exposure but with varying abundance. Dominant FMN-dependent NADH-azoreductase, Cytochrome d terminal oxidase or Thiol peroxidase were likewise deemed to be responsible for the catalytic cleavage of RB5, RBBR or MG, respectively. Further, the differential response mechanism towards the structurally discrepant dyestuffs was put forward. Elevated reducing force associated with the corresponding functional proteins/enzymes was transferred to the exterior of the cell to differentially decompose the target contaminants. Overall, this study was dedicated to provide in-depth insights into the molecular response mechanism of co-metabolic degradation of refractory and structurally discrepant dyestuffs by an indigenous isolated Klebsiella strain.
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Affiliation(s)
- Xuehui Xie
- College of Environmental Science and Engineering, Key Laboratory of Textile Science & Technology (Donghua University), Ministry of Education, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, Key Laboratory of Pollution Control and Emission Reduction Technology for Textile Industry, Donghua University, Shanghai, 201620, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, PR China
| | - Hangmi Zheng
- College of Environmental Science and Engineering, Key Laboratory of Textile Science & Technology (Donghua University), Ministry of Education, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, Key Laboratory of Pollution Control and Emission Reduction Technology for Textile Industry, Donghua University, Shanghai, 201620, China
| | - Qingyun Zhang
- School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui, 241000, China.
| | - Jiao Fan
- College of Environmental Science and Engineering, Key Laboratory of Textile Science & Technology (Donghua University), Ministry of Education, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, Key Laboratory of Pollution Control and Emission Reduction Technology for Textile Industry, Donghua University, Shanghai, 201620, China
| | - Na Liu
- School of Environment and Surveying Engineering, Suzhou University, Suzhou, Anhui, 234000, China
| | - Xinshan Song
- College of Environmental Science and Engineering, Key Laboratory of Textile Science & Technology (Donghua University), Ministry of Education, State Environmental Protection Engineering Center for Pollution Treatment and Control in Textile Industry, Key Laboratory of Pollution Control and Emission Reduction Technology for Textile Industry, Donghua University, Shanghai, 201620, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, PR China
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Biodegradation, Decolorization, and Detoxification of Di-Azo Dye Direct Red 81 by Halotolerant, Alkali-Thermo-Tolerant Bacterial Mixed Cultures. Microorganisms 2022; 10:microorganisms10050994. [PMID: 35630437 PMCID: PMC9147255 DOI: 10.3390/microorganisms10050994] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/01/2022] [Accepted: 05/04/2022] [Indexed: 01/27/2023] Open
Abstract
Azo dyes impact the environment and deserve attention due to their widespread use in textile and tanning industries and challenging degradation. The high temperature, pH, and salinity used in these industries render industrial effluent decolorization and detoxification a challenging process. An enrichment technique was employed to screen for cost-effective biodegraders of Direct Red 81 (DR81) as a model for diazo dye recalcitrant to degradation. Our results showed that three mixed bacterial cultures achieved ≥80% decolorization within 8 h of 40 mg/L dye in a minimal salt medium with 0.1% yeast extract (MSM-Y) and real wastewater. Moreover, these mixed cultures showed ≥70% decolorization within 24 h when challenged with dye up to 600 mg/L in real wastewater and tolerated temperatures up to 60 °C, pH 10, and 5% salinity in MSM-Y. Azoreductase was the main contributor to DR81 decolorization based on crude oxidative and reductive enzymatic activity of cell-free supernatants and was stable at a wide range of pH and temperatures. Molecular identification of azoreductase genes suggested multiple AzoR genes per mixed culture with a possible novel azoreductase gene. Metabolite analysis using hyphenated techniques suggested two reductive pathways for DR81 biodegradation involving symmetric and asymmetric azo-bond cleavage. The DR81 metabolites were non-toxic to Artemia salina nauplii and Lepidium sativum seeds. This study provided evidence for DR81 degradation using robust stress-tolerant mixed cultures with potential use in azo dye wastewater treatment.
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Harnessing Paenarthrobacter ureafaciens YL1 and Pseudomonas koreensis YL2 Interactions to Improve Degradation of Sulfamethoxazole. Microorganisms 2022; 10:microorganisms10030648. [PMID: 35336223 PMCID: PMC8953276 DOI: 10.3390/microorganisms10030648] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/15/2022] [Accepted: 03/15/2022] [Indexed: 02/07/2023] Open
Abstract
Sulfamethoxazole (SMX) is a widespread and persistent pollutant in the environment. Although the screening and analysis of SMX-degrading bacteria have been documented, the interaction mechanisms of functional microorganisms are still poorly understood. This study constructed a consortium with strain YL1 and YL2 supplied with SMX as the sole carbon and energy source. The coexisting mechanism and the removal of SMX of the consortium were investigated. The total oxidizable carbon (TOC) removal rate of the combined bacterial system was 38.94% compared to 29.45% for the single bacterial system at the same biomass. The mixed bacterial consortium was able to resist SMX at concentrations up to 400 mg/L and maintained a stable microbial structure at different culture conditions. The optimum conditions found for SMX degradation were 30 °C, pH 7.0, a shaking speed of 160 r·min−1, and an initial SMX concentration of 200 mg·L−1. The degradation of SMX was accelerated by the addition of YL2 for its ability to metabolize the key intermediate, 4-aminophenol. The removal rate of 4-aminophenol by strain YL2 reached 19.54% after 5 days. Genome analysis revealed that adding riboflavin and enhancing the reducing capacity might contribute to the degradation of SMX. These results indicated that it is important for the bioremediation of antibiotic-contaminated aquatic systems to understand the metabolism of bacterial communities.
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