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Hu S, Xu C, Xie Y, Ma L, Niu Q, Han G, Huang J. Metagenomic insights into the diversity of 2,4-dichlorophenol degraders and the cooperation patterns in a bacterial consortium. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168723. [PMID: 38008322 DOI: 10.1016/j.scitotenv.2023.168723] [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: 09/15/2023] [Revised: 11/15/2023] [Accepted: 11/18/2023] [Indexed: 11/28/2023]
Abstract
2,4-Dichlorophenol, which is largely employed in herbicides and industrial production, is frequently detected in ecosystems and poses risks to human health and environmental safety. Microbial communities are thought to perform better than individual strains in the complete degradation of organic contaminants. However, the synergistic degradation mechanisms of the microbial consortia involved in 2,4-dichlorophenol degradation are still not widely understood. In this study, a bacterial consortium named DCP-2 that is capable of degrading 2,4-dichlorophenol was obtained. Metagenomic analysis, cultivation-dependent functional verification, and co-occurrence network analysis were combined to reveal the primary 2,4-dichlorophenol degraders and the cooperation patterns in the consortium DCP-2. Metagenomic analysis showed that Pseudomonas, Achromobacter, and Pigmentiphaga were the primary degraders for the complete degradation of 2,4-dichlorophenol. Thirty-nine phylogenetically diverse bacterial genera, such as Brucella, Acinetobacter, Aeromonas, Allochromatium and Bosea, were identified as keystone taxa for 2,4-dichlorophenol degradation by keystone taxa analysis of the co-occurrence networks. In addition, a stable synthetic consortium of isolates from DCP-2 was constructed, consisting of Pseudomonas sp. DD-13 and Brucella sp. FZ-1; this synthetic consortium showed superior degradation capability for 2,4-dichlorophenol in both mineral salt medium and wastewater compared with monoculture. The findings provide valuable insights into the practical bioremediation of 2,4-dichlorophenol-contaminated sites.
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Affiliation(s)
- Shunli Hu
- School of Life Sciences, Anhui Agricultural University, 230036 Hefei, China
| | - Chuangchuang Xu
- School of Life Sciences, Anhui Agricultural University, 230036 Hefei, China
| | - Yanghe Xie
- School of Life Sciences, Anhui Agricultural University, 230036 Hefei, China
| | - Lu Ma
- School of Life Sciences, Anhui Agricultural University, 230036 Hefei, China
| | - Qingfeng Niu
- School of Life Sciences, Anhui Agricultural University, 230036 Hefei, China
| | - Guomin Han
- School of Life Sciences, Anhui Agricultural University, 230036 Hefei, China; National Engineering Laboratory of Crop Stress Resistance Breeding, Anhui Agricultural University, 230036 Hefei, China.
| | - Junwei Huang
- College of Resources and Environment, Anhui Agricultural University, Key Laboratory of Agri-food Safety of Anhui Province, Hefei 230036, China.
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2
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Haque MM, Hossen MN, Rahman A, Roy J, Talukder MR, Ahmed M, Ahiduzzaman M, Haque MA. Decolorization, degradation and detoxification of mutagenic dye Methyl orange by novel biofilm producing plant growth-promoting rhizobacteria. CHEMOSPHERE 2024; 346:140568. [PMID: 38303387 DOI: 10.1016/j.chemosphere.2023.140568] [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: 01/29/2023] [Revised: 10/10/2023] [Accepted: 10/26/2023] [Indexed: 02/03/2024]
Abstract
Discharge of untreated dyeing wastewater nearby water-bodies is one of major causes of water pollution. Generally, bacterial strains isolated from industrial effluents and/or contaminated soils are used for the bioremediation of Methyl orange (MO), a mutagenic recalcitrant mono-azo dye, used in textiles and biomedical. However, MO degradation by biofilm producing plant growth-promoting rhizobacteria (BPPGPR) was not studied yet. In this study, 19 out of 21 BPPGPR strains decolorized 96.3-99.9% and 89.5-96.3% MO under microaerophilic and aerobic conditions, respectively from Luria-Bertani broth (LBB) followed by yeast-extract peptone and salt-optimized broth plus glycerol media within 120 h of incubation at 28 °C. Only selected BPPGPR including Pseudomonas fluorescens ESR7, P. veronii ESR13, Stenotrophomonas maltophilia ESR20, Staphylococcus saprophyticus ESD8, and P. parafulva ESB18 were examined for process optimization of MO decolorization using a single factor optimization method. This study showed that under optimal conditions (e.g., LBB, 100 mg L-1 MO, pH 7, incubation of 96 h, 28 °C), these strains could remove 99.1-99.8% and 97.6-99.5% MO under microaerophilic and aerobic conditions, respectively. Total azoreductase and laccase activities responsible for biodegradation were also remarkably activated in the biodegraded samples under optimal conditions, while these activities were repressed under unfavorable conditions (e.g., 40 °C and 7.5% NaCl). This study confirmed that MO was degraded and detoxified by these bacterial strains through breakage of azo bond. So far, this is the first report on bioremediation of MO by the BPPGPR strains. These BPPGPR strains are highly promising to be utilized for the bioremediation of dyeing wastewater in future.
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Affiliation(s)
- Md Manjurul Haque
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh.
| | - Md Nayeem Hossen
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Ashikur Rahman
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Joty Roy
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Md Raihan Talukder
- Department of Environmental Science, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Minhaz Ahmed
- Department of Agroforestry and Environment, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Md Ahiduzzaman
- Department of Agro-processing, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
| | - Md Amdadul Haque
- Department of Agro-processing, Faculty of Agriculture, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, 1706, Bangladesh
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3
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Santana MDF, Couceiro SRM, Lara TS. Biodegradation and reduction of toxicity of Azo Trypan Blue dye by Amazonian strains of gasteroid fungi (Basidiomycota). BRAZ J BIOL 2023; 83:e277577. [PMID: 38055583 DOI: 10.1590/1519-6984.277577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 09/22/2023] [Indexed: 12/08/2023] Open
Abstract
Amazonian strains of Cyathus spp. and Geastrum spp. were studied for the ability to discolor the trypan blue azo dye and reduce its toxicity. Discoloration of trypan blue dye (0.05%) was evaluated in solid and aqueous medium over different periods. The reduction of dye toxicity after treatment was assessed by seed germination and the development of lettuce seedlings (Lactuca sativa L.) and toxicity test in Artemia salina (L.) larvae. All evaluated strains showed the potential to reduce the color intensity of trypan blue dye. Cyathus strains reached 96% discoloration, and C. albinus and C. limbatus also reduced dye toxicity. Geastrum strains showed a high efficiency degree in color reduction, reaching 98% discoloration, however, the by-products generated during the process presented toxicity and require further investigation. For the first time, Amazonian strains of gasteroid fungi degrading trypan blue are reported, some even reducing its toxicity. Thus, making them promising sources of enzymes of interest to bioremediation scenarios involving synthetic dyes.
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Affiliation(s)
- M D F Santana
- Universidade Federal do Pará - UFPA, Programa de Pós-graduação em Biodiversidade e Biotecnologia - PPGBionorte, Belém, PA, Brasil
- Universidade Federal do Oeste do Pará - UFOPA, Laboratório de Fisiologia Vegetal e Crescimento de Plantas - LaFV, Santarém, PA, Brasil
| | - S R M Couceiro
- Universidade Federal do Oeste do Pará - UFOPA, Programa de Pós-graduação em Biodiversidade e Biotecnologia - PPGBionorte, Laboratório de Ecologia e Taxonomia de Invertebrados Aquáticos - LETIA, Santarém, PA, Brasil
| | - T S Lara
- Universidade Federal do Oeste do Pará - UFOPA, Laboratório de Fisiologia Vegetal e Crescimento de Plantas - LaFV, Santarém, PA, Brasil
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4
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Al-Tohamy R, Ali SS, Xie R, Schagerl M, Khalil MA, Sun J. Decolorization of reactive azo dye using novel halotolerant yeast consortium HYC and proposed degradation pathway. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 263:115258. [PMID: 37478569 DOI: 10.1016/j.ecoenv.2023.115258] [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: 03/16/2023] [Revised: 06/29/2023] [Accepted: 07/12/2023] [Indexed: 07/23/2023]
Abstract
The presence of high salinity levels in textile wastewater poses a significant obstacle to the process of decolorizing azo dyes. The present study involved the construction of a yeast consortium HYC, which is halotolerant and was recently isolated from wood-feeding termites. The consortium HYC was mainly comprised of Sterigmatomyces halophilus SSA-1575 and Meyerozyma guilliermondii SSA-1547. The developed consortium demonstrated a decolourization efficiency of 96.1% when exposed to a concentration of 50 mg/l of Reactive Black 5 (RB5). The HYC consortium significantly decolorized RB5 up to concentrations of 400 mg/l and in the presence of NaCl up to 50 g/l. The effects of physicochemical factors and the degradation pathway were systematically investigated. The optimal pH, salinity, temperature, and initial dye concentration were 7.0, 3%, 35 °C and 50 mg/l, respectively. The co-carbon source was found to be essential, and the addition of glucose resulted in a 93% decolorization of 50 mg/l RB5. The enzymatic activity of various oxido-reductases was assessed, revealing that NADH-DCIP reductase and azo reductase exhibited greater activity in comparison to other enzymes. UV-Visible (UV-vis) spectrophotometry, Fourier-transform infrared spectroscopy (FTIR), high-performance liquid chromatography (HPLC), and gas chromatography-mass spectrometry (GC-MS) were utilized to identify the metabolites generated during the degradation of RB5. Subsequently, a metabolic pathway was proposed. The confirmation of degradation was established through alterations in the functional groups and modifications in molecular weight. The findings indicate that this halotolerant yeast consortium exhibits promising potential of degrading dye compounds. The results of this study offer significant theoretical basis and crucial perspectives for the implementation of halotolerant yeast consortia in the bioremediation of textile and hypersaline wastewater. This approach is particularly noteworthy as it does not produce aromatic amines.
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Affiliation(s)
- Rania Al-Tohamy
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Sameh S Ali
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China; Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt
| | - Rongrong Xie
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Michael Schagerl
- Department of Functional and Evolutionary Ecology, University of Vienna, Djerassiplatz 1, A-1030 Vienna, Austria.
| | - Maha A Khalil
- Biology Department, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Jianzhong Sun
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China.
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Wei B, Chen W, Ren X, Wang L, Zhao X. Enhanced Biodegradation of Methyl Orange Through Immobilization of Shewanella oneidensis MR-1 by Polyvinyl Alcohol and Sodium Alginate. Curr Microbiol 2023; 80:272. [PMID: 37410197 DOI: 10.1007/s00284-023-03387-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/26/2023] [Indexed: 07/07/2023]
Abstract
Shewanella oneidensis MR-1 has great potential for use in remediating azo dye pollution. Here, a new high-efficiency biodegradation method was developed utilizing S. oneidensis MR-1 immobilized by polyvinyl alcohol (PVA) and sodium alginate (SA). After determining the optimal immobilization conditions, the effects of various environmental factors on methyl orange (MO) degradation were analyzed. The biodegradation activity of the immobilized pellets was evaluated by analyzing the MO removal efficiency, and characterization was performed using scanning electron microscopy. The MO adsorption kinetics can be described using pseudo-second-order kinetics. Compared with free bacteria, the MO degradation rate of the immobilized S. oneidensis MR-1 increased from 41% to 92.6% after 21 days, suggesting that the immobilized bacteria performed substantially better and had more stable removal rates. These factors indicate the superiority of bacteria entrapment in addition to its easy application. This study demonstrates that the application of immobilized S. oneidensis MR-1 entrapped by PVA-SA can be used to establish a reactor with stable and high MO removal rates.
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Affiliation(s)
- Buyun Wei
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
| | - Wenwen Chen
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
| | - Xiaoyuan Ren
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
| | - Lei Wang
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China
| | - Xueqin Zhao
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou, 310018, People's Republic of China.
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Tizazu S, Tesfaye G, Wang A, Guadie A, Andualem B. Microbial diversity, transformation and toxicity of azo dye biodegradation using thermo-alkaliphilic microbial consortia. Heliyon 2023; 9:e16857. [PMID: 37313163 PMCID: PMC10258453 DOI: 10.1016/j.heliyon.2023.e16857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 05/30/2023] [Accepted: 05/31/2023] [Indexed: 06/15/2023] Open
Abstract
In this research, the transformation and toxicity of Reactive Red 141 and 239 biodegraded under anaerobic-aerobic conditions as well as metagenomic analysis of Reactive Red 239 degrading microbial consortia collected from Shala Hot spring were investigated. Toxicity of dyes before treatment and after treatment on three plants, fish and microorganisms were done. A halotolerant and thermo-alkaliphilic bacterial consortia decolorizing azo dyes (>98% RR 141 and > 96% RR 239 in 7 h) under optimum conditions of salt concentration (0.5%), temperature (55 °C) and pH (9), were used. Toxicity effect of untreated dyes and treated dyes in Tomato > Beetroot > Cabbage plants, while the effect was Leuconostoc mesenteroides > Lactobacillus plantarum > Escherichia coli in microorganisms. Among fishes, the toxicity effect was highest in Oreochromis niloticus followed by Cyprinus carpio and Clarias gariepinus. The three most dominant phyla that could be in charge of decolorizing RR 239 under anaerobic-aerobic systems were Bacteroidota (22.6-29.0%), Proteobacteria (13.5-29.0%), and Chloroflexi (8.8-23.5%). At class level microbial community structure determination, Bacteroidia (18.9-27.2%), Gammaproteobacteria (11.0-15.8%), Alphaproteobacteria (2.5-5.0%) and Anaerolineae (17.0-21.9%) were dominant classes. The transformation of RR 141 and RR 239 into amine compounds were proposed via high performance liquid chromatography-mass spectroscopy (HPLC/MS) and fourier transform infrared spectroscopy (FT-IR). Overall, dye containing wastewaters treated under anaerobic-aerobic systems using thermo-alkaliphilic microbial consortia were found to be safe to agricultural (fishes and vegetables) purposes.
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Affiliation(s)
- Samson Tizazu
- Biotechnology Stream, Biology Department, Natural and Computational Sciences' College, Arba Minch University, Arba Minch 21, Ethiopia
| | - Getaneh Tesfaye
- Biotechnology Stream, Biology Department, Natural and Computational Sciences' College, Arba Minch University, Arba Minch 21, Ethiopia
| | - Aijie Wang
- Research Center for Eco-Environmental Sciences' Key Laboratory of Environmental Biotechnology, Chinese Academy of Sciences, Beijing 100085, PR China
| | - Awoke Guadie
- Biotechnology Stream, Biology Department, Natural and Computational Sciences' College, Arba Minch University, Arba Minch 21, Ethiopia
- Research Center for Eco-Environmental Sciences' Key Laboratory of Environmental Biotechnology, Chinese Academy of Sciences, Beijing 100085, PR China
| | - Berhanu Andualem
- Department of Industrial Biotechnology, Institute of Biotechnology, Gondar University, Gondar 196, Ethiopia
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Abilaji S, Sathishkumar K, Narenkumar J, Alsalhi MS, Sandhanasamy D, Punniyakotti P, Muthuraj B, Aruliah R. Sequential photo electro oxidation and biodegradation of textile effluent: Elucidation of degradation mechanism and bacterial diversity. CHEMOSPHERE 2023; 331:138816. [PMID: 37146779 DOI: 10.1016/j.chemosphere.2023.138816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/15/2023] [Accepted: 04/28/2023] [Indexed: 05/07/2023]
Abstract
Textile effluent contains a highly toxic and refractory azo dyes. Eco-friendly method for efficient decolorization and degradation of textile effluent is essential. In the present study, treatment of textile effluent was carried through sequential electro oxidation (EO) and photo electro oxidation (PEO) using RuO2-IrO2 coated titanium electrode as an anode and cathode followed by biodegradation. The pre-treatment of textile effluent by photo electro oxidation for 14 h exhibited 92% of decolorization. Subsequent biodegradation of the pre-treated textile effluent enhanced the reduction of chemical oxygen demand to 90%. Metagenomics results exhibited that Flavobacterium, Dietzia, Curtobacterium, Mesorhizobium, Sphingobium, Streptococcus, Enterococcus, Prevotellaand Stenotrophomonas bacterial communities majorly involved in the biodegradation of textile effluent. Hence, integrating sequential photo electro oxidation and biodegradation proposed an efficient and eco-friendly approach for treating textile effluent.
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Affiliation(s)
- Subramani Abilaji
- Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Vellore, 632 115, Tamil Nadu, India
| | - Kuppusamy Sathishkumar
- Rhizosphere Biology Laboratory, Department of Microbiology, Bharathidasan University, Tiruchirappalli, 620 024, Tamil Nadu, India
| | - Jayaraman Narenkumar
- Department of Environmental & Water Resources Engineering, School of Civil Engineering, Vellore Institute of Technology, Vellore, 632 014, Tamil Nadu, India
| | - Mohamad S Alsalhi
- Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Devanesan Sandhanasamy
- Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Parthipan Punniyakotti
- Department of Biotechnology, College of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur, Chennai, 603 203, Tamil Nadu, India.
| | | | - Rajasekar Aruliah
- Environmental Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Vellore, 632 115, Tamil Nadu, India.
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Jain D, Navariya JK, Bhojiya AA, Singh A, Mohanty SR, Upadhyay SK. Bioprospecting of novel ligninolytic bacteria for effective bioremediation of agricultural by-product and synthetic pollutant dyes. Microbiol Res 2023; 270:127330. [PMID: 36848699 DOI: 10.1016/j.micres.2023.127330] [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: 10/02/2022] [Revised: 12/22/2022] [Accepted: 02/10/2023] [Indexed: 02/16/2023]
Abstract
Lignin is a significant renewable carbon source that needs to be exploited to manufacture bio-ethanol and chemical feedstocks. Lignin mimicking methylene blue (MB) dye is widely used in industries and causes water pollution. Using kraft lignin, methylene blue, and guaiacol as a full carbon source, 27 lignin-degrading bacteria (LDB) were isolated from 12 distinct traditional organic manures for the current investigation. The ligninolytic potential of 27 lignin-degrading bacteria was assessed by qualitative and quantitative assay. In a qualitative plate assay, the LDB-25 strain produced the largest zone, measuring 6.32 ± 0.297, on MSM-L-kraft lignin plates, while the LDB-23 strain produced the largest zone, measuring 3.44 ± 0.413, on MSM-L-Guaiacol plates. The LDB-9 strain in MSM-L-kraft lignin broth was able to decolorize lignin to a maximum of 38.327 ± 0.011% in a quantitative lignin degradation assay, which was later verified by FTIR assay. In contrast, LDB-20 produced the highest decolorization (49.633 ± 0.017%) in the MSM-L-Methylene blue broth. The highest manganese peroxidase enzyme activity, measuring 6322.314 ± 0.034 U L-1, was found in the LDB-25 strain, while the highest laccase enzyme activity, measuring 1.5105 ± 0.017 U L-1, was found in the LDB-23 strain. A preliminary examination into the biodegradation of rice straw using effective LDB was carried out, and efficient lignin-degrading bacteria were identified using 16SrDNA sequencing. SEM investigations also supported lignin degradation. LDB-8 strain had the highest percentage of lignin degradation (52.86%), followed by LDB-25, LDB-20, and LDB-9. These lignin-degrading bacteria have the ability to significantly reduce lignin and lignin-analog environmental contaminants, therefore they can be further researched for effective bio-waste management mediated breakdown.
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Affiliation(s)
- Devendra Jain
- All India Network Project on Soil Biodiversity and Biofertilizers, Department of Molecular Biology and Biotechnology, Rajasthan College of Agriculture, Maharana Pratap University of Agriculture and Technology, Udaipur 313001, India.
| | - Jitendra Kumar Navariya
- All India Network Project on Soil Biodiversity and Biofertilizers, Department of Molecular Biology and Biotechnology, Rajasthan College of Agriculture, Maharana Pratap University of Agriculture and Technology, Udaipur 313001, India
| | - Ali Asger Bhojiya
- All India Network Project on Soil Biodiversity and Biofertilizers, Department of Molecular Biology and Biotechnology, Rajasthan College of Agriculture, Maharana Pratap University of Agriculture and Technology, Udaipur 313001, India; Faculty of Science, US Ostwal Science, Arts and Commerce College, Mangalwad, Chittorgarh, Rajasthan 302024, India
| | - Abhijeet Singh
- Department of Biosciences, Manipal University Jaipur, Jaipur 303007, India
| | - Santosh Ranjan Mohanty
- All India Network Project on Soil Biodiversity-Biofertilizers, ICAR-Indian Institute of Soil Science, Bhopal 462038, India
| | - Sudhir K Upadhyay
- Department of Environmental Science, V.B.S. Purvanchal University, Jaunpur 222003, India.
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Tizazu S, Tesfaye G, Andualem B, Wang A, Guadie A. Evaluating the potential of thermo-alkaliphilic microbial consortia for azo dye biodegradation under anaerobic-aerobic conditions: Optimization and microbial diversity analysis. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 323:116235. [PMID: 36113293 DOI: 10.1016/j.jenvman.2022.116235] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/30/2022] [Accepted: 09/07/2022] [Indexed: 06/15/2023]
Abstract
Wastewaters in textile industry are mainly characterized by higher pH, color, salt and chemical oxygen demand (COD) values, which are environmentally undesirable. Among these textile effluent characteristics, color removal is the most challenging task. In this study, the potential of Rift Valley halotolerant and thermo-alkaliphilic microbial consortia (collected from Shala hot spring located in Ethiopia) for azo dye biodegradation under anaerobic-aerobic conditions were evaluated. Optimization and microbial diversity analysis were done using Reactive Red 141. Under optimum conditions of pH (9), temperature (55 °C), salinity (0.5%), and nutrients, microbial consortia can remove >98% color and 92.7 ± 7.3% COD under anaerobic and aerobic conditions, respectively. In addition, the consortia was capable of decolorizing initial dye concentrations of 100-1000 mg/L, and various dye types including Everzol Blue LX, RY 84, RR 239, RB 198 and RY 700. The 16S rRNA gene sequence results showed that Bacteroidetes (25.3%) > Proteobacteria (21.0%) > Chloroflexi (18.5%) > Halobacterota (6.2%) dominant phyla. Based on the findings, non-color effluent adapted Rift Valley halotolerant and thermo-alkaliphilic bacterial consortia can be a potential candidate for bioremediation of textile and other industries characterized by higher salinity, temperature and pH.
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Affiliation(s)
- Samson Tizazu
- Arba Minch University, College of Natural and Computational Sciences, Department of Biology, Biotechnology Stream, Arba Minch 21, Ethiopia
| | - Getaneh Tesfaye
- Arba Minch University, College of Natural and Computational Sciences, Department of Biology, Biotechnology Stream, Arba Minch 21, Ethiopia
| | - Berhanu Andualem
- Gondar University, Institute of Biotechnology, Department of Industrial Biotechnology, Gondar, 196, Ethiopia
| | - Aijie Wang
- Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China
| | - Awoke Guadie
- Arba Minch University, College of Natural and Computational Sciences, Department of Biology, Biotechnology Stream, Arba Minch 21, Ethiopia; Key Laboratory of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, PR China.
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Patar S, Kumar Bhuyan B, Konwar M, Mahanta B, Saikia P, Kanti Guha A, Jyoti Borthakur L. Novel Zinc Ferrite Anchored Graphene Oxide Magnetic Nanocomposite for Photocatalytic Degradation of Textile Dyes. ChemistrySelect 2022. [DOI: 10.1002/slct.202201936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Shyamalee Patar
- Department of Chemistry Gauhati University, Guwahati, Assam India Pin 781014
| | - Balin Kumar Bhuyan
- Department of Chemistry Nowgong Girls' College, Nagaon, Assam India Pin 782001
| | - Madhabi Konwar
- Department of Chemistry Gauhati University, Guwahati, Assam India Pin 781014
| | - Baishali Mahanta
- Department of Chemistry Gauhati University, Guwahati, Assam India Pin 781014
| | - Pranjal Saikia
- Department of Chemistry Nowgong College (Autonomous), Nagaon, Assam India Pin 782001
| | - Ankur Kanti Guha
- Department of Chemsitry Cotton University, Panbazar, Guwahati, Assam India Pin 781001
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Microbial Degradation of Azo Dyes: Approaches and Prospects for a Hazard-Free Conversion by Microorganisms. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19084740. [PMID: 35457607 PMCID: PMC9026373 DOI: 10.3390/ijerph19084740] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 11/16/2022]
Abstract
Azo dyes have become a staple in various industries, as colors play an important role in consumer choices. However, these dyes pose various health and environmental risks. Although different wastewater treatments are available, the search for more eco-friendly options persists. Bioremediation utilizing microorganisms has been of great interest to researchers and industries, as the transition toward greener solutions has become more in demand through the years. This review tackles the health and environmental repercussions of azo dyes and its metabolites, available biological approaches to eliminate such dyes from the environment with a focus on the use of different microorganisms, enzymes that are involved in the degradation of azo dyes, and recent trends that could be applied for the treatment of azo dyes.
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Toprak D, Demir Ö, Uçar D. Extracellular azo dye oxidation: Reduction of azo dye in batch reactors with biogenic sulfide. PHOSPHORUS SULFUR 2022. [DOI: 10.1080/10426507.2022.2046579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Dilan Toprak
- Environmental Engineering Department, Engineering Faculty, Harran University, Sanliurfa, Turkey
| | - Özlem Demir
- Environmental Engineering Department, Engineering Faculty, Harran University, Sanliurfa, Turkey
- Gap Renewable Energy and Energy Efficiency Center, Harran University, Sanliurfa, Turkey
| | - Deniz Uçar
- Environmental Engineering Department, Faculty of Engineering and Natural Sciences, Bursa Technical University, Yıldırım/Bursa, Turkey
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Biswas S, Basak P. Biosorption of the Industrial Dye Remazol Brilliant Blue R by Bacillus rigiliprofundi. Microbiology (Reading) 2021. [DOI: 10.1134/s0026261721090010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Khan S, Bhardwaj U, Iqbal HMN, Joshi N. Synergistic role of bacterial consortium to biodegrade toxic dyes containing wastewater and its simultaneous reuse as an added value. CHEMOSPHERE 2021; 284:131273. [PMID: 34216920 DOI: 10.1016/j.chemosphere.2021.131273] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 06/09/2021] [Accepted: 06/15/2021] [Indexed: 02/05/2023]
Abstract
The current environmental research has fascinated the sustainable exploitation of mix bacterial consortium to biodegrade the environmentally-related toxic compounds, including hazardous synthetic dyes. Based on the existing literature evidence, textile and other industrial waste effluents pollute the natural water bodies. Textile effluent contains synthetic dyes which are liberated in the environment without proper treatment. The presence of toxic dyes added to the textile effluents undoubtedly affects the flora and fauna as that untreated water is used for irrigation by local farmers. Many conventional and biological methods are in action for the treatment of wastewater. Physical and chemical processes are expensive as compared to microbial treatments. The use of microbial consortia generates efficient results. Wastewater is a valuable resource, however, up to 80% of wastewater is released to different water matrices. This discernment needs to change for a better tomorrow. In this context, herein, we present a robust microbial-assisted treatment and simultaneously reuse of the treated wastewater as an added value to induce plant growth. Thus, the microbial approach for textile waste treatment release by-product after degradation should be non-toxic for the environment. In the present study, the toxicity of synthetic textile dye named Reactive Red 120, Reactive Orange 122, Reactive Yellow 160, and Reactive Blue 19 was investigated using a bioassay method with plant species namely Sorghum bicolor. Plate and Pot experiment was conducted with respect to untreated Azo dyes, degraded metabolites obtained from single bacteria, and consortium. Efficient Seed germination (89%), shoot length (12.4 cm), root length (15.6 cm) of the plants were observed for bacterial consortium degraded metabolites exposed seeds after comparing with the control. The degraded metabolite also increases protein (45.56 mg/g) and sugar (3.15 mg/g) contents. Bioremediation of various textile industrial effluents saves the ecosystem from the harmful effects of hazardous dyes. The biological decolorization of the textile azo dyes was investigated under co-metabolic conditions. The degraded metabolites can be used to enhance crop productivity and for commercial application. This mandates the current and future research to develop economically feasible and environmentally sustainable wastewater treatment practices.
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Affiliation(s)
- Shellina Khan
- Department of Biosciences, School of Liberal Arts and Sciences, Mody University of Science and Technology, Lakshmangarh, 332311, Sikar, Rajasthan, India
| | - Uma Bhardwaj
- Department of Biosciences, School of Liberal Arts and Sciences, Mody University of Science and Technology, Lakshmangarh, 332311, Sikar, Rajasthan, India
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey, 64849, Mexico.
| | - Navneet Joshi
- Department of Biosciences, School of Liberal Arts and Sciences, Mody University of Science and Technology, Lakshmangarh, 332311, Sikar, Rajasthan, India.
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Kumar A, Srivastava NK, Gera P. Removal of color from pulp and paper mill wastewater- methods and techniques- A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 298:113527. [PMID: 34411799 DOI: 10.1016/j.jenvman.2021.113527] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 08/08/2021] [Accepted: 08/08/2021] [Indexed: 06/13/2023]
Abstract
The pulp and paper industry consumes a huge amount of water and releases more polluted and colored wastewater every year. Many conventional techniques are used in the treatment of paper industry wastewater. However, for color removal from paper mill effluent, there is no proven method so far, on an industrial scale. Due to high energy input and high cost, there is an urgent need to find out a new technique that must be sustainable, economical, and environment friendly. Various methods have been investigated on bench scale and pilot scale also but no proven method for color removal on an industrial scale. The paper provides an overview of the color removal techniques from different sources of pulp and paper mill wastewater discharged by various industries. The review described various components involved in various processes for color removal from paper mill waste water. The present works focus on processes like chemical, chemical/physical, biological, physicochemical, and electrochemical applied in color removal from paper mill wastewater. The present review gives key information on the effectiveness, use, betterment, and limitations of numerous methods of treatment targeted at color removal from paper mill wastewater using various techniques still under evolution.
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Affiliation(s)
- Amit Kumar
- Department of Chemical Engineering, Dr B R Ambedkar National Institute of Technology, Jalandhar, 144011, India.
| | - Nirmal Kumar Srivastava
- Department of Chemical Engineering, Dr B R Ambedkar National Institute of Technology, Jalandhar, 144011, India
| | - Poonam Gera
- Department of Chemical Engineering, Dr B R Ambedkar National Institute of Technology, Jalandhar, 144011, India
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Recent advances in the biodegradation of azo dyes. World J Microbiol Biotechnol 2021; 37:137. [PMID: 34273009 DOI: 10.1007/s11274-021-03110-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 07/12/2021] [Indexed: 01/14/2023]
Abstract
As dye demand continues to rapidly increase in the food, pharmaceutical, cosmetic, paper, textile, and leather industries, an industrialization increase is occurring. Meanwhile, the degradation and removal of azo dyes have raised broad concern regarding the hazards posed by these dyes to the ecological environment and human health. Physicochemical treatments have been applied but are hindered by high energy and economic costs, high sludge production, and chemicals handling. Comparatively, the bioremediation technique is an eco-friendly, removal-efficient, and cost-competitive method to resolve the problem. This paper provides scientific and technical information about recent advances in the biodegradation of azo dyes. It expands the biodegradation efficiency, characteristics, and mechanisms of various microorganisms containing bacteria, fungi, microalgae, and microbial consortia, which have been reported to biodegrade azo dyes. In addition, information about physicochemical factors affecting dye biodegradation has been compiled. Furthermore, this paper also sketches the recent development and characteristics of advanced bioreactors.
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Wang Y, Zhan W, Liu Y, Cheng S, Zhang C, Ma J, Chen R. Di- n-octyl phthalate degradation by a halotolerant bacterial consortium LF and its application in soil. ENVIRONMENTAL TECHNOLOGY 2021; 42:2749-2756. [PMID: 31961776 DOI: 10.1080/09593330.2020.1713903] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 01/04/2020] [Indexed: 06/10/2023]
Abstract
Di-n-octyl phthalate (DOP), a plasticizer used in many different industrial products, is a frequently observed pollutant in the environment. Biodegradation by microorganisms is considered to be a realistic choice for the remediation of DOP contamination. In the present research, the halotolerant bacterial consortium (LF) enriched in our previous research was used to degrade DOP. It was found that the optimal conditions for LF to degrade DOP was temperature 30oC, pH 6.0, inoculum size >5%, and salt content <3%. LF could degrade a high concentration of DOP (2000 mg/L) with the removal efficiency of 96.33%. Substrate inhibition analyses indicated that the inhibition constant, maximum specific degradation rate and half-saturation constant were 2544.6 mg/L, 0.7 d-1 and 59.1 mg/L, respectively. Based on the analysis of the gas chromatography-mass spectrometry (GC-MS), the biodegradation pathway for DOP by LF was proposed. Furthermore, LF could degrade DOP in soil (100 mg/kg) with the highest removal efficiency of 89.3%. This study is the first report on DOP biodegradation by bacterial consortium. These results suggest that LF can be used to remediate DOP-contaminated environment.
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Affiliation(s)
- Yangyang Wang
- National Demonstration Center for Environmental and Planning, College of Environment & Planning, Henan University, Kaifeng, People's Republic of China
- Key Laboratory of Geospatial Technology for the Middle and Lower Yellow River Regions (Henan University), Ministry of Education, Kaifeng, Henan, People's Republic of China
- Key Research Institute of Yellow River Civilization and Sustainable Development & Collaborative Innovation Center on Yellow River Civilization of Henan Province, Henan University, Kaifeng, People's Republic of China
| | - Wenhao Zhan
- National Key Laboratory of Human Factors Engineering, China Astronaut Research and Training Center, Beijing, People's Republic of China
| | - Yidan Liu
- National Demonstration Center for Environmental and Planning, College of Environment & Planning, Henan University, Kaifeng, People's Republic of China
| | - Shanshan Cheng
- National Demonstration Center for Environmental and Planning, College of Environment & Planning, Henan University, Kaifeng, People's Republic of China
| | - Chaosheng Zhang
- National Demonstration Center for Environmental and Planning, College of Environment & Planning, Henan University, Kaifeng, People's Republic of China
| | - Jianhua Ma
- National Demonstration Center for Environmental and Planning, College of Environment & Planning, Henan University, Kaifeng, People's Republic of China
| | - Runhua Chen
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha, People's Republic of China
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Acinetobacter tandoii ZM06 Assists Glutamicibacter nicotianae ZM05 in Resisting Cadmium Pressure to Preserve Dipropyl Phthalate Biodegradation. Microorganisms 2021; 9:microorganisms9071417. [PMID: 34209156 PMCID: PMC8307640 DOI: 10.3390/microorganisms9071417] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 06/23/2021] [Accepted: 06/28/2021] [Indexed: 12/13/2022] Open
Abstract
Dipropyl phthalate (DPrP) coexists with cadmium as cocontaminants in environmental media. A coculture system including the DPrP-degrading bacterium Glutamicibacter nicotianae ZM05 and the nondegrading bacterium Acinetobacter tandoii ZM06 was artificially established to degrade DPrP under Cd(II) stress. Strain ZM06 relieved the pressure of cadmium on strain ZM05 and accelerated DPrP degradation in the following three ways: first, strain ZM06 adsorbed Cd(II) on the cell surface (as observed by scanning electron microscopy) to decrease the concentration of Cd(II) in the coculture system; second, the downstream metabolites of ZM05 were utilized by strain ZM06 to reduce metabolite inhibition; and third, strain ZM06 supplied amino acids and fatty acids to strain ZM05 to relieve stress during DPrP degradation, which was demonstrated by comparative transcriptomic analysis. This study provides an elementary understanding of how microbial consortia improve the degradation efficiency of organic pollutants under heavy metals contamination.
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Wang X, Wu H, Wang X, Wang H, Zhao K, Ma B, Lu Z. Network-directed isolation of the cooperator Pseudomonas aeruginosa ZM03 enhanced the dibutyl phthalate degradation capacity of Arthrobacter nicotianae ZM05 under pH stress. JOURNAL OF HAZARDOUS MATERIALS 2021; 410:124667. [PMID: 33279322 DOI: 10.1016/j.jhazmat.2020.124667] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/10/2020] [Accepted: 11/21/2020] [Indexed: 06/12/2023]
Abstract
Dibutyl phthalate (DBP), widely used as plasticizer, is a typical soil contaminant. A new isolate, Arthrobacter nicotianae ZM05, is efficient at degrading DBP but lacks stress resistance to adverse environments. In this study, to isolate effective cooperators of strain ZM05 under pH stress and explore the effects of DBP on the bacterial community structure and interaction between bacteria, a microcosm experiment was conducted by supplying the exogenous DBP-degrading bacteria ZM05. 16S rRNA gene sequencing analysis showed that DBP contamination decreased microbial community diversity and weakened potential interactions between microorganisms, evidenced by fewer links, lower average degree, and lower average clustering coefficients in the cooccurrence network. Furthermore, the subnetworks showed that DBP shifted the interactions between strain ZM05 and other microbes. Based on the prediction of the network, the nondegrading bacterium Pseudomonas aeruginosa ZM03 was isolated and proven through coculture experiments to have a positive interaction with strain ZM05 during DBP degradation under pH stress. Strain ZM03 could utilize downstream acidic metabolites to alleviate acid inhibition and accelerate degradation. This study provides solid evidence that bacterial communities adjust their interactions to adapt to DBP stress and provides new insight into the prediction of microbes that are cooperative with degrading bacteria.
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Affiliation(s)
- Xuejun Wang
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Hao Wu
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Xiaoyu Wang
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Haixia Wang
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou, China
| | - Kankan Zhao
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, China
| | - Bin Ma
- Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, China.
| | - Zhenmei Lu
- MOE Laboratory of Biosystem Homeostasis and Protection, College of Life Sciences, Zhejiang University, Hangzhou, China.
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Mohanty SS, Kumar A. Enhanced degradation of anthraquinone dyes by microbial monoculture and developed consortium through the production of specific enzymes. Sci Rep 2021; 11:7678. [PMID: 33828207 PMCID: PMC8027401 DOI: 10.1038/s41598-021-87227-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 03/24/2021] [Indexed: 11/09/2022] Open
Abstract
The current study investigates the decolorization of Indanthrene Blue RS dye and the optimization of process parameters needed for effective decolorization by the bacterial consortium. The pure culture of strain TS8, PMS, and NCH has been isolated from the textile wastewater sample collected from local textile processing units outlet and dye contaminated soil from Odisha, India. A bacterial consortium-BP of Bacillus flexus TS8 (BF), Proteus mirabilis PMS (PM), and Pseudomonas aeruginosa NCH (PA) were developed. The physicochemical parameters were optimized to attain maximum decolorization efficacy. Degradation of Indanthrene Blue RS and the formation of metabolites were confirmed through UV-vis spectroscopy, FT-IR, and GC-MS analysis. The developed consortium-BP showed an enhanced decolorization of Indanthrene Blue RS dye with an Average decolorization rate of 11,088 µg h-1 within 9 h compared to the individual strains under aerobic conditions. The supplementation of agricultural residual wastes showed increased decolorization efficiency of consortium-BP. Higher reduction in TOC and COD removal (≥ 80%) determined the mineralization of Indanthrene Blue RS by consortium-BP. Significant induction of various oxidoreductive enzymes in consortium-BP compared to that of Individual strains indicates their involvement in the overall decolorization and degradation process, with the higher protein concentration in the intracellular enzymes. Studies on the phytotoxicity effect revealed the non-toxic nature of the degraded products formed on mineralization of Indanthrene Blue RS by consortium-BP. This study represents a new approach for enhanced biodegradation using consortium-BP in treating textile wastewaters containing anthraquinone dyes.
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Affiliation(s)
- Swati Sambita Mohanty
- Department of Chemical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India.
| | - Arvind Kumar
- Department of Chemical Engineering, National Institute of Technology Rourkela, Rourkela, Odisha, 769008, India
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Ali SS, Al-Tohamy R, Koutra E, Kornaros M, Khalil M, Elsamahy T, El-Shetehy M, Sun J. Coupling azo dye degradation and biodiesel production by manganese-dependent peroxidase producing oleaginous yeasts isolated from wood-feeding termite gut symbionts. BIOTECHNOLOGY FOR BIOFUELS 2021; 14:61. [PMID: 33685508 PMCID: PMC7938474 DOI: 10.1186/s13068-021-01906-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 02/16/2021] [Indexed: 05/14/2023]
Abstract
BACKGROUND Textile industry represents one prevalent activity worldwide, generating large amounts of highly contaminated and rich in azo dyes wastewater, with severe effects on natural ecosystems and public health. However, an effective and environmentally friendly treatment method has not yet been implemented, while concurrently, the increasing demand of modern societies for adequate and sustainable energy supply still remains a global challenge. Under this scope, the purpose of the present study was to isolate promising species of yeasts inhabiting wood-feeding termite guts, for combined azo dyes and textile wastewater bioremediation, along with biodiesel production. RESULTS Thirty-eight yeast strains were isolated, molecularly identified and subsequently tested for desired enzymatic activity, lipid accumulation, and tolerance to lignin-derived metabolites. The most promising species were then used for construction of a novel yeast consortium, which was further evaluated for azo dyes degradation, under various culture conditions, dye levels, as well as upon the addition of heavy metals, different carbon and nitrogen sources, and lastly agro-waste as an inexpensive and environmentally friendly substrate alternative. The novel yeast consortium, NYC-1, which was constructed included the manganese-dependent peroxidase producing oleaginous strains Meyerozyma caribbica, Meyerozyma guilliermondii, Debaryomyces hansenii, and Vanrija humicola, and showed efficient azo dyes decolorization, which was further enhanced depending on the incubation conditions. Furthermore, enzymatic activity, fatty acid profile and biodiesel properties were thoroughly investigated. Lastly, a dye degradation pathway coupled to biodiesel production was proposed, including the formation of phenol-based products, instead of toxic aromatic amines. CONCLUSION In total, this study might be the first to explore the application of MnP and lipid-accumulating yeasts for coupling dye degradation and biodiesel production.
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Affiliation(s)
- Sameh Samir Ali
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Xuefu Rd. 301, Zhenjiang, 212013, China.
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt.
| | - Rania Al-Tohamy
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Xuefu Rd. 301, Zhenjiang, 212013, China
| | - Eleni Koutra
- Laboratory of Biochemical Engineering & Environmental Technology (LBEET), Department of Chemical Engineering, University of Patras, 1 Karatheodori Str., University Campus, 26504, Patras, Greece
- INVALOR: Research Infrastructure for Waste Valorization and Sustainable Management, University Campus, 26504, Patras, Greece
| | - Michael Kornaros
- Laboratory of Biochemical Engineering & Environmental Technology (LBEET), Department of Chemical Engineering, University of Patras, 1 Karatheodori Str., University Campus, 26504, Patras, Greece
- INVALOR: Research Infrastructure for Waste Valorization and Sustainable Management, University Campus, 26504, Patras, Greece
| | - Maha Khalil
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt
- Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Tamer Elsamahy
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Xuefu Rd. 301, Zhenjiang, 212013, China
| | - Mohamed El-Shetehy
- Botany Department, Faculty of Science, Tanta University, Tanta, 31527, Egypt
- Department of Plant Science, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada
| | - Jianzhong Sun
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Xuefu Rd. 301, Zhenjiang, 212013, China.
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An over review on recently developed techniques, mechanisms and intermediate involved in the advanced azo dye degradation for industrial applications. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129195] [Citation(s) in RCA: 106] [Impact Index Per Article: 35.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Immobilization of Metanil Yellow Decolorizing Mixed Culture FN3 Using Gelling Gum as Matrix for Bioremediation Application. SUSTAINABILITY 2020. [DOI: 10.3390/su13010036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In this study, the Metanil Yellow (MY) decolorizing mixed culture, namely FN3, has been isolated from agriculture soil. The mixed culture was immobilized using gellan gum. In order to optimize the immobilization process for maximal dye decolorization, Response Surface Methodology (RSM) was performed. The optimal conditions for immobilization predicted by desirability function are 130 mg/L of MY dye concentration, 1.478% of gellan gum concentration, 50 beads and 0.6 cm of beads size with the percentage of decolorization of 90.378%. The correlation coefficients of the model (R2 and R2 adj) are 0.9767 and 0.9533, respectively. This indicates that the established model is suitable to predict the effectiveness of dye decolorization under the investigated condition. The immobilized beads of mixed culture FN3 were able to be reused up to 15 batches of decolorization. The immobilized cells also have high tolerance towards heavy metals. This was proven by higher dye decolorization rate by the immobilized cells even with the addition of heavy metals in the media. The decolorization potential of the mixed culture indicates that it could be useful for future bioremediation of soil contaminated sites and treatment solutions of water bodies polluted with MY dye.
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Carabet CA, Moanță A, Pălărie I, Iacobescu G, Rotaru A, Leulescu M, Popescu M, Rotaru P. Physical, Thermal and Biological Properties of Yellow Dyes with Two Azodiphenylether Groups of Anthracene. Molecules 2020; 25:molecules25235757. [PMID: 33291331 PMCID: PMC7731036 DOI: 10.3390/molecules25235757] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 11/24/2020] [Accepted: 12/01/2020] [Indexed: 11/16/2022] Open
Abstract
Two yellow bis-azo dyes containing anthracene and two azodiphenylether groups (BPA and BTA) were prepared, and an extensive investigation of their physical, thermal and biological properties was carried out. The chemical structure was confirmed by the FTIR spectra, while from the UV-Vis spectra, the quantum efficiency of the laser fluorescence at the 476.5 nm was determined to be 0.33 (BPA) and 0.50 (BTA). The possible transitions between the energy levels of the electrons of the chemical elements were established, identifying the energies and the electronic configurations of the levels of transition. Both crystals are anisotropic, the optical phenomenon of double refraction of polarized light (birefringence) taking place. Images of maximum illumination and extinction were recorded when the crystals of the bis-azo compounds rotated by 90° each, which confirms their birefringence. A morphologic study of the thin films deposited onto glass surfaces was performed, proving the good adhesion of both dyes. By thermal analysis and calorimetry, the melting temperatures were determined (~224-225 °C for both of them), as well as their decomposition pathways and thermal effects (enthalpy variations during undergoing processes); thus, good thermal stability was exhibited. The interaction of the two compounds with collagen in the suede was studied, as well as their antioxidant activity, advocating for good chemical stability and potential to be safely used as coloring agents in the food industry.
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Affiliation(s)
- Carla Alice Carabet
- Department of Physics, Faculty of Sciences, University of Craiova, Str. A.I. Cuza, Nr. 13, 200585 Craiova, Romania; (C.A.C.); (I.P.); (G.I.); (M.L.); (P.R.)
| | - Anca Moanță
- Department of Chemistry, Faculty of Sciences, University of Craiova, Str. AI Cuza, Nr. 13, 200585 Craiova, Romania;
| | - Ion Pălărie
- Department of Physics, Faculty of Sciences, University of Craiova, Str. A.I. Cuza, Nr. 13, 200585 Craiova, Romania; (C.A.C.); (I.P.); (G.I.); (M.L.); (P.R.)
| | - Gabriela Iacobescu
- Department of Physics, Faculty of Sciences, University of Craiova, Str. A.I. Cuza, Nr. 13, 200585 Craiova, Romania; (C.A.C.); (I.P.); (G.I.); (M.L.); (P.R.)
| | - Andrei Rotaru
- Department of Biology and Environmental Engineering, Faculty of Horticulture, University of Craiova, Str. A.I. Cuza, Nr. 13, 200585 Craiova, Romania
- Institute of Physical Chemistry “Ilie Murgulescu”, Department of Chemical Thermodynamics, Romanian Academy, Splaiul Independentei, Nr. 202, 060021 Bucharest, Romania
- Correspondence: or ; Tel.: +40-745-379-205
| | - Marian Leulescu
- Department of Physics, Faculty of Sciences, University of Craiova, Str. A.I. Cuza, Nr. 13, 200585 Craiova, Romania; (C.A.C.); (I.P.); (G.I.); (M.L.); (P.R.)
| | - Mariana Popescu
- Faculty of Pharmacy, University of Medicine and Pharmacy of Craiova, Petru Rareş Street, Nr. 2, 200349 Craiova, Romania;
| | - Petre Rotaru
- Department of Physics, Faculty of Sciences, University of Craiova, Str. A.I. Cuza, Nr. 13, 200585 Craiova, Romania; (C.A.C.); (I.P.); (G.I.); (M.L.); (P.R.)
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Guo G, Hao J, Tian F, Liu C, Ding K, Xu J, Zhou W, Guan Z. Decolorization and detoxification of azo dye by halo-alkaliphilic bacterial consortium: Systematic investigations of performance, pathway and metagenome. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 204:111073. [PMID: 32755736 DOI: 10.1016/j.ecoenv.2020.111073] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/23/2020] [Accepted: 07/24/2020] [Indexed: 06/11/2023]
Abstract
The high pH and salinity of textile wastewater is a major hindrance to azo dye decolorization. In this study, a mixed bacterial consortium ZW1 was enriched under saline (10% salinity) and alkaline (pH 10.0) conditions to decolorize Methanil Yellow G (MY-G). Consortium ZW1 was mainly composed of Halomonas (49.8%), Marinobacter (30.7%) and Clostridiisalibacter (19.2%). The effects of physicochemical factors were systematically investigated, along with the degradation pathway and metagenome analysis. The co-carbon source was found to be necessary, and the addition of yeast extract led to 93.3% decolorization of 100 mg/L MY-G within 16 h (compared with 1.12% for control). The optimum pH, salinity, temperature and initial dye concentration were 8.0, 5-10%, 40 °C and 100 mg/L, respectively. The typical dye-related degradation enzymes were most effective at 10% salinity. Consortium ZW1 was also able to differentially decolorize five other direct and acidic dyes in a short period. Phototoxicity tests revealed the detoxification of MY-G degradation products. Combining UV-vis, FTIR and GC-MS detection, the MY-G degradation pathway by consortium ZW1 was proposed. Furthermore, metagenomic approach was used to elucidate the functional potential of genes in MY-G biodegradation. These results signify the broad potential application of halo-alkaliphilic consortia in the bioremediation of dyeing wastewater.
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Affiliation(s)
- Guang Guo
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Jiuxiao Hao
- National Engineering Laboratory for Advanced Municipal Wastewater Treatment and Reuse Technology, College of Environmental and Energy Engineering, Beijing University of Technology, Beijing, 100124, China.
| | - Fang Tian
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Chong Liu
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Keqiang Ding
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Jin Xu
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Wang Zhou
- College of Environmental Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Zhengbing Guan
- Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi, 214122, China
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Novel bacterial biofilm consortia that degrade and detoxify the carcinogenic diazo dye Congo red. Arch Microbiol 2020; 203:643-654. [PMID: 33021681 DOI: 10.1007/s00203-020-02044-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 09/09/2020] [Accepted: 09/12/2020] [Indexed: 10/23/2022]
Abstract
Free-living planktonic single bacterial strain can decolorize Congo red (CR) but often produces the carcinogenic, mutagenic and genotoxic aromatic amines. Planktonic single and bacterial consortia are more susceptible to toxic pollutants than their biofilm counterparts. In the present study, four biofilm consortia (C1 = Vitreoscilla sp. ENSG301, Acinetobacter lwoffii ENSG302, Klebsiella pneumoniae ENSG303 and Pseudomonas fluorescens ENSG304, C2 = Escherichia coli ENSD101, Enterobacter asburiae ENSD102 and E. ludwigii ENSH201, C3 = E. asburiae ENSD102, Vitreoscilla sp. ENSG301 and Bacillus thuringiensis ENSW401, and C4 = E. coli ENSD101, E. ludwigii ENSH201 and B. thuringiensis ENSW401) were prepared and assessed for bioremediation of CR. All these biofilm consortia remarkably decolorized (96.9 to 99.5%) the CR (100 mg/L) in static condition within 72 h incubation at 28 °C. These consortia also synthesized significantly more intracellular azoreductase and laccase enzyme than extracellular of these enzymes. UV-Vis spectral analysis revealed that the major peak at 478 nm wavelength of CR was completely disappeared. FTIR analysis showed several major peaks along with azo bonds are completely or partly disappeared, deformed or widened. Chemical oxygen demand was reduced by 86.4, 85.5, 87.0 and 86.2% by C1, C2, C3 and C4, respectively. Accordingly, biodegraded metabolites of CR by different biofilm consortia did not inhibit the germination of wheat seeds and bacterial growth. Thus, these biofilm consortia can be applied in bioremediation of wastewater containing CR for safe disposal into the environment. To our knowledge, this is the first report on degradation and detoxification of aqueous solution containing CR by bacterial biofilm consortia.
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Algal and cyanobacterial biomass as potential dye biodecolorizing material: a review. Biotechnol Lett 2020; 42:2467-2488. [PMID: 32940871 DOI: 10.1007/s10529-020-03005-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 09/10/2020] [Indexed: 10/23/2022]
Abstract
The considerable demand for dyes worldwide has triggered a surge in their production globally. The extensive application of dyes and inefficient dyeing processes has elevated the risk of environmental pollution. The effluents from dying industries contain toxic compounds that are dreadful to both the environment and living beings. Besides, conventional effluent treatment processes have proved ineffective in clearing the dye from the effluent. The sole way of tackling this problem would be by applying a more rational approach that would be sustainable and efficient. After a thorough study of the literature, we are convinced to say that cyanophyceae and algae could serve as one of the promising biodecolorizing agents substituting most other biosorbents used in conventional biological effluent treatment technology. To evidence this we compiled data from the literature, wherein, various algal biomasses capable of decolorizing dye effluents have been examined. This paper also gives comprehensive facts on the mechanism of decolorization, pretreatment, influencing factors, and toxicity of treated products.
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Kalia A, Singh S. Myco-decontamination of azo dyes: nano-augmentation technologies. 3 Biotech 2020; 10:384. [PMID: 32802726 PMCID: PMC7415790 DOI: 10.1007/s13205-020-02378-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 08/03/2020] [Indexed: 01/21/2023] Open
Abstract
Effluents of textile, paper, and related industries contain significant amounts of synthetic dyes which has serious environmental and health implications. Remediation of dyes through physical and chemical techniques has specific limitations. Augmented biological decontamination strategies 'microbial remediation' may involve ring-opening of dye molecules besides the reduction of constituent metal ions. Both bacterial and fungal genera are known to exhibit metabolic versatility which can be harnessed for effective bio-removal of the toxic dye contaminants. Ascomycetous/basidiomycetes fungi can effectively decontaminate azo dyes through laccase/peroxidase enzyme-mediated catalysis. The extent, efficacy, and range of fungal dye decontamination can be enhanced by the conjugated application of nanomaterials, including nanoparticles (NPs) and their composites. Fungal cell-enabled NP synthesis- 'myco-farmed NPs', is a low-cost strategy for scaled-up fabrication of a variety of metal, metal oxide, non-metal oxide NPs through oxidation/reduction of dissolved ions/molecules by extracellular biomolecules. Augmented and rapid decontamination of azo dyes at high concentrations can be achieved by the use of myco-farmed NPs, NPs adsorbed fungal biomass, and nano-immobilized fungi-derived bio-catalytical agents. This manuscript will explore the opportunities and benefits of mycoremediation and application of fungus-NP bionanoconjugate to remediate dye pollutants in wastewaters and land contaminated with the effluent of textile industries.
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Affiliation(s)
- Anu Kalia
- Electron Microscopy and Nanoscience Laboratory, Department of Soil Science, College of Agriculture, Punjab Agricultural University, Ludhiana, Punjab 141004 India
| | - Swarnjeet Singh
- Department of Microbiology, College of Basic Sciences and Humanities, Punjab Agricultural University, Ludhiana, Punjab 141004 India
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Preparation, characterization and application of Fe-pillared bentonite to the removal of Coomassie blue dye from aqueous solutions. RESEARCH ON CHEMICAL INTERMEDIATES 2020. [DOI: 10.1007/s11164-020-04236-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Kalpana R, Maheshwaran M, Vimali E, Soosai MR, Shivamathi CS, Moorthy IG, Ashokkumar B, Varalakshmi P. Decolorization of Textile Dye by Halophilic Exiguobacteriumsp.VK1: Biomass and Exopolysaccharide (EPS) Enhancement for Bioremediation of Malachite Green. ChemistrySelect 2020. [DOI: 10.1002/slct.202001648] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Ramaraju Kalpana
- Department of Molecular MicrobiologySchool of BiotechnologyMadurai Kamaraj University Madurai 625021 Tamil Nadu India
| | - Manickam Maheshwaran
- Department of Molecular MicrobiologySchool of BiotechnologyMadurai Kamaraj University Madurai 625021 Tamil Nadu India
| | - Elamathi Vimali
- Department of Molecular MicrobiologySchool of BiotechnologyMadurai Kamaraj University Madurai 625021 Tamil Nadu India
| | - Michael Rahul Soosai
- Department of BiotechnologyKamaraj College of Engineering and Technology Virudhunagar 626001 Tamil Nadu India
| | | | - Innasimuthu Ganesh Moorthy
- Department of BiotechnologyKamaraj College of Engineering and Technology Virudhunagar 626001 Tamil Nadu India
| | - Balasubramaniem Ashokkumar
- Department of Genetic EngineeringSchool of BiotechnologyMadurai Kamaraj University Madurai 625021 Tamil Nadu India
| | - Perumal Varalakshmi
- Department of Molecular MicrobiologySchool of BiotechnologyMadurai Kamaraj University Madurai 625021 Tamil Nadu India
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Mandal S, Ananthakrishnan R. Double Effects of Interfacial Ag Nanoparticles in a ZnO Multipod@Ag@Bi 2S 3 Z-Scheme Photocatalytic Redox System: Concurrent Tuning and Improving Charge-Transfer Efficiency. Inorg Chem 2020; 59:7681-7699. [PMID: 32433881 DOI: 10.1021/acs.inorgchem.0c00666] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Distinct functional materials in their combined form in a well-designed hybrid architecture offer great possibilities for creating a highly active photocatalytic system. Herein, a uniform multipod-shaped ZnO is synthesized through a natural template assisted route and progressively integrated with Ag nanoparticles (NPs) and Bi2S3 to form a three-component (3C) ternary photocatalytic system by a facile, two -step wet chemical approach. Encapsulation of polycrystalline Bi2S3 and assimilation of Ag NPs in between the interface of ZnO and Bi2S3 in the ternary hybrid are confirmed from electron microscopy and X-ray photoelectron spectroscopy, which resulted in improved UV-vis absorption, charge separation efficiency, and photocurrent response evaluated from optical absorption spectroscopy, photoluminescence, and photoelectrochemical cell measurements. This ternary hybrid shows high photoredox activity toward the hydrogen evaluation reaction (HER) (218.7 μmol h-1 g-1) and methyl orange (MO) oxidation (k = 3.21 × 10-2 min-1) compared to their binary and single counterparts. Moreover, on the basis of the estimation of the predominant active species (O2•-, •OH) in the photoredox catalysis and band edge positions from the Mott-Schottky plot, it was determined that both binary ZnO multipod@Bi2S3 and ternary ZnO multipod Ag@Bi2S3 hybrids undergo a Z-scheme electron transfer mechanism under irradiation of light. Here, the Ag ingredient in the ternary hybrids acts as an interfacial charge-transfer mediator to accelerate the Z-scheme electron transfer between Bi2S3 and ZnO along with plasmonic photosensitization to trigger the generation of plasmon-induced hot electrons. Such a cooperative concurrent dual role of Ag NPs in the Z-scheme ternary hybrid system considerably boosts the photoredox performance compared to direct Z-scheme binary hybrids. This work will enlighten and uncover the essential roles of metal NPs along with their cooperative synergy in Z-scheme photocatalytic systems as a prototypical example for substantial solar energy conversion.
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Affiliation(s)
- Subrata Mandal
- Department of Chemistry, Environmental Materials & Analytical Chemistry Laboratory, Indian Institute of Technology, Kharagpur 721302, India
| | - Rajakumar Ananthakrishnan
- Department of Chemistry, Environmental Materials & Analytical Chemistry Laboratory, Indian Institute of Technology, Kharagpur 721302, India
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Qian X, Chen L, Sui Y, Chen C, Zhang W, Zhou J, Dong W, Jiang M, Xin F, Ochsenreither K. Biotechnological potential and applications of microbial consortia. Biotechnol Adv 2020; 40:107500. [DOI: 10.1016/j.biotechadv.2019.107500] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 11/13/2019] [Accepted: 12/17/2019] [Indexed: 12/20/2022]
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Younas S, Rizvi H, Ali S, Abbas F. Irrigation of Zea mays with UASB-treated textile wastewater; effect on early irrigation of Zea mays with UASB-treated textile wastewater; effect on early growth and physiology. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:15305-15324. [PMID: 32077022 DOI: 10.1007/s11356-020-07948-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 01/29/2020] [Indexed: 06/10/2023]
Abstract
In this study, mature seeds of Zea mays (Malka 16) were irrigated with untreated and UASB-treated wastewater with combination of 50% textile and 50% sewage at hydraulic retention times (HRTs) of 0, 5, 10, and 15 h. Four other treatments diluted with distilled water (DW) were also evaluated. Eight-week analysis of irrigation revealed very small differences in the results of plant biomass and growth parameters of control and those irrigated with 15 h (HRT) treatments. The values of both types of water were observed as chlorophyll a and b contents, 5.9, 3.4, vs 5.5, 3.1 mg g-1, total chlorophyll 9.4 vs 8.8 mg g-1, carotenoids 9.5 vs 8.7 mg g-1, spad values 61.4 vs 56.3, net photosynthetic rate (A) 15.6 vs 14.5 μmol m-2 S-1, transpiration rate (E) 3.98 vs 3.8 μmol m-2 S-1, stomatal conductance 5.9 vs 5.8 μmol m-2 S-1, water use efficiency 10.3 vs 9.7 mmol Cmm-1 H2O, electrolyte leakage 115 vs 98% and total soluble proteins 385 vs 354 in leaves and 260 vs 231 g-1 FW in roots. While this stress enhanced H2O2 92 vs 115 and 195 vs 224 Units g-1, MDA 6.8 vs 9.1 and 5.9 vs 8.3 Units g-1, activities of enzymatic antioxidants SOD 25 vs 63 and 54 vs 63 Units g-1, POD 1170 vs 1310 and 570 vs 650 Units g-1, CAT 570 vs 820 and 880 vs 1040 Units g-1, and APX 235 vs 278 and 134 vs 187 Units g-1 in leaves and roots, respectively. Heavy metals (Cd, Cr, Cu, and Zn) in such plants were mostly within or about permissible limits of NEQS. The results obtained were more close to that of control. This practice may lead to clean environment and its reuse shall also reduce the stress on fresh water. Early researches transpire a little work done on the reuse of UASB-treated textile wastewater with co substrate, for irrigation purpose.
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Affiliation(s)
- Sana Younas
- Department of Environmental Sciences and Engineering, Government College University Allama Iqbal Road, Faisalabad, 38000, Pakistan.
| | - Hina Rizvi
- Department of Environmental Sciences and Engineering, Government College University Allama Iqbal Road, Faisalabad, 38000, Pakistan
| | - Shafaqat Ali
- Department of Environmental Sciences and Engineering, Government College University Allama Iqbal Road, Faisalabad, 38000, Pakistan
- Department of Biological Sciences and Technology, China Medical University (CMU), Taichung, 40402, Taiwan
| | - Farhat Abbas
- Department of Environmental Sciences and Engineering, Government College University Allama Iqbal Road, Faisalabad, 38000, Pakistan
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Yuan H, Chen L, Cao Z, Hong FF. Enhanced decolourization efficiency of textile dye Reactive Blue 19 in a horizontal rotating reactor using strips of BNC-immobilized laccase: Optimization of conditions and comparison of decolourization efficiency. Biochem Eng J 2020. [DOI: 10.1016/j.bej.2020.107501] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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Patel VR, Khan R, Bhatt N. Cost-effective in-situ remediation technologies for complete mineralization of dyes contaminated soils. CHEMOSPHERE 2020; 243:125253. [PMID: 31733540 DOI: 10.1016/j.chemosphere.2019.125253] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 10/26/2019] [Accepted: 10/28/2019] [Indexed: 06/10/2023]
Abstract
Dyes & dyes intermediates are one of the important and critically polluted industrial sectors, generating a large environmental liability. Therefore characterization of microbial community structure and diversity of contaminated soils helps to optimize the bioremediation strategies and performance. This study investigated the roles of environmental variables and contamination levels in shaping microbial community structure at an abandoned aged. In total, 20 bacterial and 4 fungal phyla were identified across soils with different physiochemical properties and concentration of the contaminants. Taxonomic analysis revealed the Proteobacteria, Firmicutes, Ascomycota and Basidiomycota represented the lineages and accounted for 49.5%-51.2%, 5.1%-15.3%, 2.5%-3.8% and 1.6%-2.1% of the total population, respectively. Microbial community (site 1) achieved decolorization rate of 972 ± 1.21 mg dyes kgsoil-1d-1 after 15d and 692 ± 1.4 mg kg-soil-1d-1 COD removal rate after 30 day of the experiment. Microbial community mineralized intermediates, 4-amino benzenesulfonate, 6-amino naphthalene sulfonate and benzene/naphthalene sulfonate in TCA cycle and stimulate the growth of selected soil bacteria, primary nutrient as well as plant growth of contaminated soil.
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Affiliation(s)
- Vipul R Patel
- Department of Microbiology, Gujarat Vidyapeeth, SADRA, 382320, Dist: Gandhinagar, Gujarat, India.
| | - Razia Khan
- Girish Raval College of Science, Chiloda, Gujarat, 382355, India
| | - Nikhil Bhatt
- Department of Microbiology, Gujarat Vidyapeeth, SADRA, 382320, Dist: Gandhinagar, Gujarat, India
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Etaiw SEH, Abd El‐Aziz DM, Shalaby EM, Elzeny I. X‐ray structure of host‐guest nanosized organotin supramolecular coordination polymer based on cobalt cyanide and quinoxaline as an efficient catalyst for treatment of waste water. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5521] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | | | - Elsayed M. Shalaby
- X‐Ray Crystallography Lab, Physics Division, National Research Center Cairo Egypt
| | - Islam Elzeny
- Chemistry Department, Faculty of ScienceTanta University Tanta 31527 Egypt
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Tan L, Shao Y, Mu G, Ning S, Shi S. Enhanced azo dye biodegradation performance and halotolerance of Candida tropicalis SYF-1 by static magnetic field (SMF). BIORESOURCE TECHNOLOGY 2020; 295:122283. [PMID: 31669874 DOI: 10.1016/j.biortech.2019.122283] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Revised: 10/01/2019] [Accepted: 10/15/2019] [Indexed: 06/10/2023]
Abstract
Enhancing Acid Red B (ARB) decolorization by growing cells of a halotolerant yeast Candida tropicalis SYF-1 with static magnetic field (SMF) was investigated. Activity of key enzymes and membrane phospholipid fatty acids (PLFAs) were analyzed for estimating the change of metabolic activity and membrane salt-stress response, respectively. Possible enhancement mechanisms were revealed through comparative transcriptome analysis. The results showed that 95.0 mT SMF enhanced ARB decolorization by growing cells of a yeast SYF-1, as well as cell growth and halotolerance capability. Activity of intracellular lignin peroxidase (LiP) and laccase (Lac) was 1.51- and 1.47-fold higher with 95.0 mT SMF than that without SMF, respectively. Unsaturation degree and chain length of dominant PLFAs was increased by 95.0 mT SMF treatment. Several functional protein encoding unigenes related to organics biodegradation, cell growth and halotolerance were 1.17- to 4.19-fold up-regulated in response to 95.0 mT SMF.
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Affiliation(s)
- Liang Tan
- School of Life Science, Liaoning Normal University, Dalian 116081, China.
| | - Yifan Shao
- School of Life Science, Liaoning Normal University, Dalian 116081, China
| | - Guangdi Mu
- School of Life Science, Liaoning Normal University, Dalian 116081, China
| | - Shuxiang Ning
- School of Life Science, Liaoning Normal University, Dalian 116081, China
| | - Shengnan Shi
- School of Life Science, Liaoning Normal University, Dalian 116081, China
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Pandey K, Saha P, Rao KVB. A study on the utility of immobilized cells of indigenous bacteria for biodegradation of reactive azo dyes. Prep Biochem Biotechnol 2019; 50:317-329. [PMID: 31755822 DOI: 10.1080/10826068.2019.1692219] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Azo dyes are recalcitrant compounds used as a colorant in various industries. The pollution caused by their extensive usage has adversely affected the environment for years. The existing physicochemical methods for dye pollution remediation are rather inefficient and hence there is a dearth of low-cost, potential systems capable of dye degradation. The current research studies the biodegradation potential of immobilized bacterial cells against azo dyes Reactive Orange 16 (RO-16) and Reactive Blue 250 (RB-250). Two indigenous dye degrading bacteria Bacillus sp. VITAKB20 and Lysinibacillus sp. KPB6 was isolated from textile sludge sample. Free cells of Bacillus. sp. VITAKB20 degraded 92.38% of RO-16 and that of Lysinibacillus sp. KPB6 degraded 95.36% of RB-250 within 72 h under static conditions. Upon immobilization with calcium alginate, dye degradation occurred rapidly. Bacillus. sp. VITAKB20 degraded 97.5% of RO-16 and Lysinibacillus sp. KPB6 degraded 98.2% of RB-250 within 48 h under shaking conditions. Further, the nature of dye decolorization was biodegradation as evident by high-performance liquid chromatography (HPLC), and Fourier-transform infrared spectroscopy (FTIR) results. Phytotoxicity and biotoxicity assays revealed that the degraded dye products were less toxic in nature than the pure dyes. Thus, immobilization proved to be a highly likely alternative treatment for dye removal.
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Affiliation(s)
- Koushik Pandey
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Purbasha Saha
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India
| | - K V Bhaskara Rao
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India
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Ajaz M, Shakeel S, Rehman A. Microbial use for azo dye degradation-a strategy for dye bioremediation. Int Microbiol 2019; 23:149-159. [PMID: 31741129 DOI: 10.1007/s10123-019-00103-2] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 10/08/2019] [Accepted: 10/17/2019] [Indexed: 01/11/2023]
Abstract
Azo dyes are aromatic compounds with one to many -N=N- groups as well as the leading class of synthetic dyes utilised in commercial solicitations. Azo dyes, released in the environment through textile effluents, have hazardous effects on the aquatic as well as human life. Their persistence and discharge into the environment are becoming a global concern; thus, the remediation of these contaminants has acquired great attention. The current review comprehensively discusses some of the main aspects of biodegradation of azo dyes. A variety of physicochemical approaches has already been utilised for treatment of textile effluents counting filtration, coagulation and chemical flocculation. Though these conventional techniques are effective, yet they are lavish and also comprise formation of concentrated sludge that makes a secondary disposal problem. In this regard, microbial usage is an effective, economical, bio-friendly and ecologically benign approach.
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Affiliation(s)
- Mehvish Ajaz
- Department of Microbiology and Molecular Genetics, University of the Punjab, New Campus, Lahore, 54590, Pakistan
| | - Sana Shakeel
- Department of Microbiology and Molecular Genetics, University of the Punjab, New Campus, Lahore, 54590, Pakistan
| | - Abdul Rehman
- Department of Microbiology and Molecular Genetics, University of the Punjab, New Campus, Lahore, 54590, Pakistan.
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Chittal V, Gracias M, Anu A, Saha P, Bhaskara Rao KV. Biodecolorization and Biodegradation of Azo Dye Reactive Orange-16 by Marine Nocardiopsis sp. IRANIAN JOURNAL OF BIOTECHNOLOGY 2019; 17:e1551. [PMID: 32195279 PMCID: PMC7080967 DOI: 10.29252/ijb.1551] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Background: Azo dyes are xenobiotic compounds that have bioaccumulated in the environment due to escalated industrial development.
These are hazardous in nature, possessing carcinogenic and mutagenic effects on human beings. Objectives: The perspective of the present study was to isolate and to determine azo dye (Reactive Orange-16) degrading potential of marine actinobacteria
isolated from sediment samples of Port Blair, India. Material and Methods: Actinobacteria with dye decolorization potential were isolated from sea sediment samples. The actinobacterial isolate with the highest dye decolorizing percentage was identified with the help
of phenotypic, biochemical and molecular studies. The different physico-chemical parameters for dye decolorization were also optimized. The nature of decolorization
by the potent isolate was determined with the help of High Performance Liquid chromatography (HPLC) and Fourier Transformed Infrared spectroscopy (FTIR) techniques.
Further the toxicity of RO-16 decolorized products was investigated with the help of phytotoxcity assay. Results: Out of six actinobacterial isolates, VITVAMB 1 possessed the most efficient RO-16 decolorization property. It decolorized 85.6% of RO-16 (250 mg L-1) within 24hrs.
Isolate VITVAMB 1 was identified to be Nocardiopsis sp. Maximum dye decolorization occurred at pH 8, temperature 35°C, 3% salt concentration
and a dye concentration of 50 mg L-1. Conclusions: The nature of decolorization by Nocardiopsis sp. was biodegradation. Additionally, the degraded dye metabolites were found to be
less toxic than pure dye. The high decolorization potential of VITVAMB 1 and the low toxicity of its degradation products make it a prospective
dye removal system. The marine origin of VITVAMB 1 also makes it an attractive source for novel azo dye reducing enzymes.
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Affiliation(s)
- Vaibhavi Chittal
- Biomolecules Laboratory, Technology Tower (TT 635), Vellore Institute of Technology (VIT) University, Vellore- 632014, Tamil Nadu, India
| | - Magaly Gracias
- Biomolecules Laboratory, Technology Tower (TT 635), Vellore Institute of Technology (VIT) University, Vellore- 632014, Tamil Nadu, India
| | - Anagha Anu
- Biomolecules Laboratory, Technology Tower (TT 635), Vellore Institute of Technology (VIT) University, Vellore- 632014, Tamil Nadu, India
| | - Purbasha Saha
- Biomolecules Laboratory, Technology Tower (TT 635), Vellore Institute of Technology (VIT) University, Vellore- 632014, Tamil Nadu, India
| | - K V Bhaskara Rao
- Biomolecules Laboratory, Technology Tower (TT 635), Vellore Institute of Technology (VIT) University, Vellore- 632014, Tamil Nadu, India
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41
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Enrichment and characterization of a highly efficient tetrahydrofuran-degrading bacterial culture. Biodegradation 2019; 30:467-479. [DOI: 10.1007/s10532-019-09888-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Accepted: 08/14/2019] [Indexed: 01/26/2023]
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Eskandari F, Shahnavaz B, Mashreghi M. Optimization of complete RB-5 azo dye decolorization using novel cold-adapted and mesophilic bacterial consortia. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 241:91-98. [PMID: 30986666 DOI: 10.1016/j.jenvman.2019.03.125] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Revised: 03/25/2019] [Accepted: 03/29/2019] [Indexed: 06/09/2023]
Abstract
Azo dyes are an important group of recalcitrant xenobiotics, which are difficult to degrade and deteriorate in cold environments. In this study, two microbial consortia consisting of cold-adapted and mesophilic bacteria were developed for effective decolorization of Reactive Black-5 azo dye. These bacteria were isolated from textile wastewater and soil of a cold region. Identification of bacterial isolates using 16s rRNA gene analysis revealed that they belong to genus Pseudoarthrobacter, Gordonia, Stenotrophomonas, and Sphingomonas. Decolorization assay was performed for every strain at dye concentrations of 25, 50 and 100 mg/L and the consortia PsGo consisting of mesophilic bacteria and StSp consisting of cold-adapted bacteria were constructed accordingly. Results showed that the consortia PsGo and StSp were able to decolorize 54 and 34 percent of RB-5 (50 mg/L) during 7 days. To improve the dye removal efficiency of the consortia, several parameters including temperature, pH, carbon and nitrogen sources were optimized. Over longer periods, StSp consortium managed to completely decolorize RB-5 (50 mg/L) at optimized conditions of 25-30 °C, pH 9, and using glucose and NH4H2PO4 as carbon and nitrogen source respectively, whereas PsGo consortium decolorized RB-5 (50 mg/mL) completely at 37 °C, pH 11, and with lactose and NH4H2PO4 used as carbon and nitrogen sources. Kinetic of reactions for StSp and PsGo consortia were found to be 0.05 and 0.13 day-1 respectively, but became 0.71 and 0.9 day-1 after optimization. In general, cold ecosystems are good sources for the isolation of novel bacterial strains with a potential application, especially when used as consortia, in environmental biotechnology such as decolorization of RB-5.
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Affiliation(s)
- Fahimeh Eskandari
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Bahar Shahnavaz
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran; Institute of Applied Zoology, Ferdowsi University of Mashhad, Mashhad, Iran.
| | - Mansour Mashreghi
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran; Industrial Biotechnology Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, 9177948974, Iran
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43
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Noman E, Al-Gheethi A, Mohamed RMSR, Talip BA. Myco-Remediation of Xenobiotic Organic Compounds for a Sustainable Environment: A Critical Review. Top Curr Chem (Cham) 2019; 377:17. [DOI: 10.1007/s41061-019-0241-8] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Accepted: 05/08/2019] [Indexed: 01/06/2023]
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Ajaz M, Rehman A, Khan Z, Nisar MA, Hussain S. Degradation of azo dyes by Alcaligenes aquatilis 3c and its potential use in the wastewater treatment. AMB Express 2019; 9:64. [PMID: 31102103 PMCID: PMC6525232 DOI: 10.1186/s13568-019-0788-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 04/30/2019] [Indexed: 01/07/2023] Open
Abstract
In the present study, Alcaligenes aquatilis was found to decolorize 82% Synazol red 6HBN after incubation of 4 days at 37 °C and pH 7. Maximum decolorization was found under static conditions by using saw dust and yeast extract as carbon and nitrogen source. It also showed promising potential to decolorize mixture of multiple dyes at a rate of more than 86% in 5 days. Decolorization of dye had positive influence on the growth of bacterium as growth rate was increased along with decolorization. The cleavage of azo bond was confirmed through TLC, HPLC and GC–MS analysis. The dye metabolites produced during bacterial treatment are linked to various pathways including ATP synthesis process. The absence of peaks of wavelength 1612/cm and 1532/cm in bacterially treated FTIR sample demonstrated the cleavage of azo bond. Microbial growth in decolorized dye wastewater shows that bacterially decolorized wastewater is unharmful for the growth of micro-flora. The high decolorization ability of A. aquatilis 3c to convert toxic azo dyes into useful end products may find potential applications in the environmental biotechnology.
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Nadi A, Boyer D, Charbonnel N, Boukhriss A, Forestier C, Gmouh S. Immobilisation of bacteria onto magnetic nanoparticles for the decolorisation and degradation of azo dyes. IET Nanobiotechnol 2019; 13:144-149. [PMID: 31051444 DOI: 10.1049/iet-nbt.2018.5026] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Azo dyes are widely used in industries and their release in the environment contributes to the pollution of effluents. The authors aim to develop a new eco-friendly water treatment method for the degradation of azo dyes based on in situ magnetic separation and immobilisation of bacterial cells. The immobilisation was achieved using superparamagnetic Fe3O4 nanoparticles and offers the possibility of reusing bacteria by magnetic separation for several degradation cycles. The iron-oxide nanoparticles were synthesised by reverse co-precipitation. The Gram-positive bacteria Bacillus subtilis were immobilised using iron-oxide nanoparticles by adsorption and then separated with an external magnetic field. Transmission electron microscopy observation showed that the particles' diameter was ∼20 nm with a narrow size distribution. Moreover, the iron-oxide nanoparticles were adsorbed onto the surface in order to coat the cells. B. subtilis has proved its ability to decolorise and degrade several azo dyes at different values of pH, with the highest decolorisation rate for Congo red. Furthermore, immobilised cells have a degradation activity similar to that of free cells. The system provided a degradation rate up to 80% and could be reused for seven batch cycles.
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Affiliation(s)
- Ayoub Nadi
- Université Clermont Auvergne, CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, F-63000 Clermont, Ferrand, France
| | - Damien Boyer
- Université Clermont Auvergne, CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, F-63000 Clermont, Ferrand, France
| | - Nicolas Charbonnel
- Biologie Cellulaire Faculté de Pharmacie, Laboratoire de Bactériologie, Université Clermont-Auvergne, 63001 Clermont, Ferrand, France
| | - Aïcha Boukhriss
- Laboratoire REMTEX, ESITH, route d'El jadida, km 8, BP 7731 - Oulfa, Casablanca, Morocco
| | - Christiane Forestier
- Biologie Cellulaire Faculté de Pharmacie, Laboratoire de Bactériologie, Université Clermont-Auvergne, 63001 Clermont, Ferrand, France
| | - Said Gmouh
- Laboratoire LIMAT, Université Hassan II Casablanca, BP 9167 Casablanca, Morocco.
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Barkaat S, Zuber M, Zia KM, Noreen A, Tabasum S. UV/H 2O 2/Ferrioxalate Based Integrated Approach to Decolorize and Mineralize Reactive Blue Dye: Optimization Through Response Surface Methodology. Z PHYS CHEM 2019. [DOI: 10.1515/zpch-2019-1388] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Abstract
The decolorization and mineralization of Reactive Blue 222 dye was studied using UV/H2O2/ferrioxalate approach in combination with Pleorotus ostreatus. The dye was decolorized by UV/H2O2/ferrioxalate based advanced oxidation process (AOP) at different levels of process variables dye concentration, catalyst dose, pH, reaction time and resultantly, 80% decolorization was achieved. Pleorotus ostreatus treatment enhanced the dye degradation up to 92% at optimum levels of pH, temperature, inoculum size, carbon and nitrogen sources at specific concentration. Response Surface Methodology (RSM) was employed for optimization under face-centered central composite design (CCD). Although both treatments were found efficient for the removal of dye, but on applying the integrated approach, 96% dye removal was obtained which led to complete degradation of the dye. FTIR analysis confirmed the degradation of dye into low mass compounds. The water quality assurance parameters were measured to assess the mineralization efficiency. A significant reduction in COD (94%) and TOC (92%) were found when dye was degraded integrated approach. A phytotoxicity analysis on Pisum sativum plant revealed the non-toxic behavior of metabolites produced. Results revealed that the integrated approach is highly promising for the decolorization and mineralization of the Reactive Blue 222 dye and is also extendable to treat the dye in textile wastewater.
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Affiliation(s)
- Samra Barkaat
- Department of Applied Chemistry , Government College University Faisalabad , Faisalabad , Pakistan
| | - Muhammad Zuber
- Department of Applied Chemistry , Government College University Faisalabad , Faisalabad , Pakistan
- Department of Chemistry , The University of Lahore , Lahore , Pakistan
| | - Khalid Mahmood Zia
- Department of Applied Chemistry , Government College University Faisalabad , Faisalabad , Pakistan
| | - Aqdas Noreen
- Department of Applied Chemistry , Government College University Faisalabad , Faisalabad , Pakistan
| | - Shazia Tabasum
- Department of Applied Chemistry , Government College University Faisalabad , Faisalabad , Pakistan
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Collivignarelli MC, Abbà A, Carnevale Miino M, Damiani S. Treatments for color removal from wastewater: State of the art. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 236:727-745. [PMID: 30772730 DOI: 10.1016/j.jenvman.2018.11.094] [Citation(s) in RCA: 119] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 10/22/2018] [Accepted: 11/21/2018] [Indexed: 05/07/2023]
Abstract
It is evident from many recent papers that release of colored wastewater into the environment is source of pollution and this is a problem that particularly affect textile, dyeing and food industries. The review: (i) presents an analysis of various mechanisms involved in the different processes for color removal; (ii) describes conveniences and disadvantages that may exist in adopting one type of treatment in spite of another; (iii) reports the results of approximately 180 experimental tests. Both examples of treatments already widely applied to the real scale and still in the experimental phase are reported. This work focuses on different types of chemical/physical, chemical, electrochemical and biological processes applied in the field of color removal from industrial wastewater. Common chemical/physical treatments such as coagulation/flocculation, adsorption and membrane filtration as well as chemical-type processes are discussed, both those that exploit the traditional oxidizing chemical agents such as Ozone, H2O2 and reactive based on chlorine and those based on the principle of advanced chemical oxidation. In particular, both Hydroxyl radical based Advanced Oxidation Processes (AOPs) and Sulfate radical based AOPs are reported. The most commonly used Electrochemical processes for the removal of color are also presented as well as biological treatments. Based on more than 200 papers, this review provides important information on the use, effectiveness, advantages and downsides of the various treatments aimed at removing the color from the wastewater with a look at the technologies still under development.
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Affiliation(s)
| | - Alessandro Abbà
- Department of Civil, Environmental, Architectural Engineering and Mathematics, University of Brescia, via Branze 43, 25123, Brescia, Italy.
| | - Marco Carnevale Miino
- Department of Civil Engineering and Architecture, University of Pavia, via Ferrata 1, 27100, Pavia, Italy.
| | - Silvestro Damiani
- Department of Civil Engineering and Architecture, University of Pavia, via Ferrata 1, 27100, Pavia, Italy.
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48
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Azoreductase kinetics and gene expression in the synthetic dyes-degrading Pseudomonas. ACTA ACUST UNITED AC 2019. [DOI: 10.1016/j.ejbas.2017.07.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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49
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Eslami H, Shariatifar A, Rafiee E, Shiranian M, Salehi F, Hosseini SS, Eslami G, Ghanbari R, Ebrahimi AA. Decolorization and biodegradation of reactive Red 198 Azo dye by a new Enterococcus faecalis–Klebsiella variicola bacterial consortium isolated from textile wastewater sludge. World J Microbiol Biotechnol 2019; 35:38. [DOI: 10.1007/s11274-019-2608-y] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Accepted: 01/29/2019] [Indexed: 02/06/2023]
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50
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Chemical profile and in-vitro pharmacological activities of yellow pigment extracted from Arthrobacter gandavensis. Process Biochem 2018. [DOI: 10.1016/j.procbio.2018.08.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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