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Ikram M, Zahoor M, Naeem M, Islam NU, Shah AB, Shahzad B. Bacterial oxidoreductive enzymes as molecular weapons for the degradation and metabolism of the toxic azo dyes in wastewater: a review. Z PHYS CHEM 2022. [DOI: 10.1515/zpch-2022-0150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Abstract
Azo dyes are extremely toxic and pose significant environmental and health risks. Consequently, mineralization and conversion to simple compounds are required to avoid their hazardous effects. A variety of enzymes from the bacterial system are thought to be involved in the degradation and metabolism of azo dyes. Bioremediation, a cost effective and eco-friendly biotechnology, involving bacteria is powered by bacterial enzymes. As mentioned, several enzymes from the bacterial system serve as molecular weapons in the degradation of these dyes. Among these enzymes, azoreductase, oxidoreductase, and laccase are of great interest for the degradation and decolorization of azo dyes. Combination of the oxidative and reductive enzymes is used for the removal of azo dyes from water. The aim of this review article is to provide information on the importance of bacterial enzymes. The review also discusses the genetically modified microorganisms in the biodegradation of azo dyes in polluted water.
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Affiliation(s)
- Muhammad Ikram
- Department of Chemistry , Abdul Wali Khan University Mardan , Mardan , 23200 , Pakistan
| | - Muhammad Zahoor
- Department of Biochemistry , University of Malakand at Chakdara , Dir Lower Khyber Pakhtunkhwa , Pakistan
| | - Muhammad Naeem
- Department of Chemistry , Abdul Wali Khan University Mardan , Mardan , 23200 , Pakistan
| | - Noor Ul Islam
- Department of Chemistry , University of Malakand at Chakdara , Dir Lower Khyber Pakhtunkhwa , Pakistan
| | - Abdul Bari Shah
- Division of Applied Life Science (BK21 Plus) , Institute of Agriculture and Life Sciences, Gyeongsang National University , Jinju 52828 , Korea
| | - Babar Shahzad
- Department of Biochemistry , Institute of Basic Medical Sciences, Khyber Medical University Peshawar Khyber Pakhtunkhwa , Peshawar , Pakistan
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Ikram M, Naeem M, Zahoor M, Rahim A, Hanafiah MM, Oyekanmi AA, Shah AB, Mahnashi MH, Al Ali A, Jalal NA, Bantun F, Sadiq A. Biodegradation of Azo Dye Methyl Red by Pseudomonas aeruginosa: Optimization of Process Conditions. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19169962. [PMID: 36011598 PMCID: PMC9408507 DOI: 10.3390/ijerph19169962] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/01/2022] [Accepted: 08/08/2022] [Indexed: 06/01/2023]
Abstract
Water pollution due to textile dyes is a serious threat to every life form. Bacteria can degrade and detoxify toxic dyes present in textile effluents and wastewater. The present study aimed to evaluate the degradation potential of eleven bacterial strains for azo dye methyl red. The optimum degradation efficiency was obtained using P. aeruginosa. It was found from initial screening results that P. aeruginosa is the most potent strain with 81.49% degradation activity and hence it was subsequently used in other degradation experiments. To optimize the degradation conditions, a number of experiments were conducted where only one variable was varied at a time and where maximum degradation was observed at 20 ppm dye concentration, 1666.67 mg/L glucose concentration, 666.66 mg/L sodium chloride concentration, pH 9, temperature 40 °C, 1000 mg/L urea concentration, 3 days incubation period, and 66.66 mg/L hydroquinone (redox mediator). The interactive effect of pH, incubation time, temperature, and dye concentration in a second-order quadratic optimization of process conditions was found to further enhance the biodegradation efficiency of P. aeruginosa by 88.37%. The metabolites of the aliquot mixture of the optimized conditions were analyzed using Fourier transform infrared (FTIR), GC-MS, proton, and carbon 13 Nuclear Magnetic Resonance (NMR) spectroscopic techniques. FTIR results confirmed the reduction of the azo bond of methyl red. The Gas Chromatography-Mass Spectrometry (GC-MS) results revealed that the degraded dye contains benzoic acid and o-xylene as the predominant constituents. Even benzoic acid was isolated from the silica gel column and identified by 1H and 13C NMR spectroscopy. These results indicated that P. aeruginosa can be utilized as an efficient strain for the detoxification and remediation of industrial wastewater containing methyl red and other azo dyes.
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Affiliation(s)
- Muhammad Ikram
- Department of Chemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
| | - Mohammad Naeem
- Department of Chemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
| | - Muhammad Zahoor
- Department of Biochemistry, University of Malakand at Chakdara, Chakdara 18800, Dir Lower Khyber Pakhtunkhwa, Pakistan
| | - Abdur Rahim
- Department of Zoology, University of Malakand at Chakdara, Chakdara 18800, Dir Lower Khyber Pakhtunkhwa, Pakistan
| | - Marlia Mohd Hanafiah
- Department of Earth Sciences and Environment, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor Darul Ehsan, Malaysia
- Centre for Tropical Climate Change System, Institute of Climate Change, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
| | - Adeleke Abdulrahman Oyekanmi
- Department of Earth Sciences and Environment, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor Darul Ehsan, Malaysia
| | - Abdul Bari Shah
- Division of Applied Life Science (BK21 Plus), Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Korea
| | - Mater H. Mahnashi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Najran University, Najran 66462, Saudi Arabia
| | - Amer Al Ali
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, University of Bisha, 255, Al Nakhil, Bisha 67714, Saudi Arabia
| | - Naif A. Jalal
- Department of Microbiology, Faculty of Medicine, Umm Al-Qura University, Makkah 24382, Saudi Arabia
| | - Farkad Bantun
- Department of Microbiology, Faculty of Medicine, Umm Al-Qura University, Makkah 24382, Saudi Arabia
| | - Abdul Sadiq
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara 18800, Dir Lower Khyber Pakhtunkhwa, Pakistan
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Barathi S, Aruljothi KN, Karthik C, Padikasan IA, Ashokkumar V. Biofilm mediated decolorization and degradation of reactive red 170 dye by the bacterial consortium isolated from the dyeing industry wastewater sediments. CHEMOSPHERE 2022; 286:131914. [PMID: 34418664 DOI: 10.1016/j.chemosphere.2021.131914] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/06/2021] [Accepted: 08/14/2021] [Indexed: 06/13/2023]
Abstract
Reactive dyes are extensively used in a plethora of industries, which in turn release toxic wastes into the environment. The textile dye waste remediation is crucial as it may contain several toxic elements. The utilization of bacterial consortium for bioremediation has acquired consideration, over the utilization of single strains. In this study, a microbial consortium containing three bacterial sp. (Bacillus subtilis, Brevibacillus borstelensis and Bacillus firmus) was tested for its degrading ability of the textile RR 170 dye. The bacterial consortium degraded the dye effectively at lower concentrations and the efficiency decreased as the dye concentration increased. SEM analysis revealed that, with dye treatment, the consortium appeared as tightly packed clumps with rough cell surface and were able to produce EPS and biofilms. EPS production was higher at 40 mg/l, 100 mg/l and 200 mg/l of the dye treatment conditions. Interestingly, the maximum biofilm formation was observed only at 40 μg/ml of the dye treatment, which indicates that RR 170 dye concentration affects the biofilm formation independent of EPS levels. The UV-vis spectroscopy, HPLC, FTIR and 2D-FTIR analyses confirmed the decolorization and biodegradation of RR 170 dye by the bacterial consortium. Toxicological studies performed with the dye and their degraded products in Allium cepa root cells revealed that, whereas the RR 170 dye induced genotoxic stress, the degraded dye products showed no significant genotoxic effects in root cells. Together, the investigated bacterial consortium decolorized and degraded the RR 170 dye resulting in metabolites that are non-toxic to the living cells.
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Affiliation(s)
- Selvaraj Barathi
- School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou, People's Republic of China; Plant and Microbial Biotechnology Laboratory, Department of Biotechnology, School of Biosciences, Periyar University, Salem, 636 011, Tamil Nadu, India.
| | - K N Aruljothi
- Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, Chennai, India
| | - Chinnannan Karthik
- College of Agriculture and Biotechnology, Institute of Crop Science, Zhejiang University, China
| | - Indra Arulselvi Padikasan
- Plant and Microbial Biotechnology Laboratory, Department of Biotechnology, School of Biosciences, Periyar University, Salem, 636 011, Tamil Nadu, India
| | - Veeramuthu Ashokkumar
- Center of Excellence in Catalysis for Bioenergy and Renewable Chemicals (CBRC), Faculty of Science, Chulalongkorn University, Bangkok, 10330 Thailand; Department of Energy and Environmental Engineering, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 600077, India
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Chen W, Luan J, Yu X, Wang X, Ke X. Preparation of core-shell structured polystyrene @ graphene oxide composite microspheres with high adsorption capacity and its removal of dye contaminants. ENVIRONMENTAL TECHNOLOGY 2021; 42:3840-3851. [PMID: 32167857 DOI: 10.1080/09593330.2020.1743372] [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: 12/05/2019] [Accepted: 03/06/2020] [Indexed: 06/10/2023]
Abstract
Styrene was added dropwise to graphene dispersion solution by Pickering emulsion method to fabricate polystyrene @ graphene oxide layered composite microspheres (Pst@GO) for the removal of dye pollutants from water solution. Field emission scanning electron microscope, transmission electron microscopy, energy dispersive spectrometer, Brunauer emmett teller, zeta potential analyser and Fourier transform infrared spectrometer were adopted to analyse the changes in the microstructure and functional group of Pst@GO before and after the adsorption. The effects of initial concentration, adsorbent dose, pH, adsorption temperature and time on the adsorption behaviour of RhB and MB onto Pst@GO were studied by batch experiments. The results showed that a lot of folds on the surface of Pst@GO were beneficial to improve its adsorption capacity. The maximum adsorption capacity of RhB and MB onto Pst@GO was 49.70 and 59.07 mg g-1 at the initial concentration of 300 mg L-1, dose 0.1 g, pH = 7.0, adsorption temperature 55°C, adsorption time 2 h. The adsorption kinetics and thermodynamics analysis indicated that the adsorption of two dyes onto Pst@GO was endothermic reaction, while electrostatic attraction and hydrogen bonding are the main driving forces for the adsorption reaction.Polystyrene @ graphene oxide layered composite microspheres (Pst@GO) were prepared by Pickering emulsion method to remove dye pollutants in water. The preparation process of Pst@GO is as follows:Figure 1 Schematic fabrication process of Pst@GO.
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Affiliation(s)
- Wei Chen
- College of Energy and Environment, Shenyang Aerospace University, Shenyang, People's Republic of China
| | - Jingde Luan
- College of Energy and Environment, Shenyang Aerospace University, Shenyang, People's Republic of China
| | - Xiaokun Yu
- College of Energy and Environment, Shenyang Aerospace University, Shenyang, People's Republic of China
| | - Xueqin Wang
- College of Energy and Environment, Shenyang Aerospace University, Shenyang, People's Republic of China
| | - Xin Ke
- College of Energy and Environment, Shenyang Aerospace University, Shenyang, People's Republic of China
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Kyrila G, Katsoulas A, Schoretsaniti V, Rigopoulos A, Rizou E, Doulgeridou S, Sarli V, Samanidou V, Touraki M. Bisphenol A removal and degradation pathways in microorganisms with probiotic properties. JOURNAL OF HAZARDOUS MATERIALS 2021; 413:125363. [PMID: 33592490 DOI: 10.1016/j.jhazmat.2021.125363] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 02/05/2021] [Accepted: 02/05/2021] [Indexed: 06/12/2023]
Abstract
Bisphenol-A (BPA) is a constituent of polycarbonate plastics and epoxy resins, widely applied on food packaging materials. As BPA exposure results in health hazards, its efficient removal is of crucial importance. In our study five potentially probiotic microorganisms, namely Lactococcus lactis, Bacillus subtilis, Lactobacillus plantarum, Enterococcus faecalis, and Saccharomyces cerevisiae, were tested for their toxicity tolerance to BPA and their BPA removal ability. Although BPA toxicity, evident on all microorganisms, presented a correlation to both BPA addition time and its concentration, all strains exhibited BPA-removal ability with increased removal rate between 0 and 24 h of incubation. BPA degradation resulted in the formation of two dimer products in cells while the compounds Hydroquinone (HQ), 4-Hydroxyacetophenone (HAP), 4-Hydroxybenzoic acid (HBA) and 4-Isopropenylphenol (PP) were identified in the culture medium. In the proposed BPA degradation pathways BPA adducts formation appears as a common pattern, while BPA decomposition as well as the formation, and the levels of its end products present differences among microorganisms. The BPA degradation ability of the tested beneficial microorganisms demonstrates their potential application in the bioremediation of BPA contaminated foods and feeds and provides a means to suppress the adverse effects of BPA on human and animal health.
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Affiliation(s)
- Gloria Kyrila
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Antonis Katsoulas
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Vasiliki Schoretsaniti
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Angelos Rigopoulos
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Eleftheria Rizou
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Savvoula Doulgeridou
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Vasiliki Sarli
- Organic Chemistry Laboratory, Department of Organic Chemistry and Biochemistry, School of Chemistry, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Victoria Samanidou
- Laboratory of Analytical Chemistry, Department of Physical, Analytical and Environmental Chemistry, School of Chemistry, Faculty of Sciences, Aristotle University of Thessaloniki (A.U.TH.), 54124 Thessaloniki, Greece
| | - Maria Touraki
- Laboratory of General Biology, Division of Genetics, Development and Molecular Biology, School of Biology, Faculty of Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece.
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Chantarasiri A. Klebsiella and Enterobacter Isolated from Mangrove Wetland Soils in Thailand and Their Application in Biological Decolorization of Textile Reactive Dyes. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17207531. [PMID: 33081196 PMCID: PMC7589067 DOI: 10.3390/ijerph17207531] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 10/10/2020] [Accepted: 10/14/2020] [Indexed: 11/29/2022]
Abstract
Wastewater released from textile and dye-based industries is one of the major concerns for human and aquatic beings. Biological decolorization using ligninolytic bacteria has been considered as an effective and alternative approach for the treatment of dyeing wastewater. This study aimed to assess the isolation, characterization and application of soil bacteria isolated from mangrove wetlands in Thailand. Four active bacteria were genetically identified and designated as Klebsiella pneumoniae strain RY10302, Enterobacter sp. strain RY10402, Enterobacter sp. strain RY11902 and Enterobacter sp. strain RY11903. They were observed for ligninolytic activity and decolorization of nine reactive dyes under experimental conditions. All bacteria exhibited strong decolorization efficiency within 72 h of incubation at 0.01% (w/v) of reactive dyes. The decolorization percentage varied from 20% (C.I. Reactive Red 195 decolorized by K. pneumoniae strain RY10302) to 92% (C.I. Reactive Blue 194 decolorized by Enterobacter sp. strain RY11902) in the case of bacterial monoculture, whereas the decolorization percentage for a mixed culture of four bacteria varied from 58% (C.I. Reactive Blue 19) to 94% (C.I. Reactive Black 1). These findings confer the possibility of using these bacteria for the biological decolorization of dyeing wastewater.
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Affiliation(s)
- Aiya Chantarasiri
- Faculty of Science, Energy and Environment, King Mongkut's University of Technology North Bangkok, Rayong Campus, Rayong 21120, Thailand
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Zhuang M, Sanganyado E, Zhang X, Xu L, Zhu J, Liu W, Song H. Azo dye degrading bacteria tolerant to extreme conditions inhabit nearshore ecosystems: Optimization and degradation pathways. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 261:110222. [PMID: 32148291 DOI: 10.1016/j.jenvman.2020.110222] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 01/20/2020] [Accepted: 01/28/2020] [Indexed: 05/15/2023]
Abstract
Nearshore ecosystems are transitional zones, and they may harbor a diverse microbial community capable of degrading azo dyes under extreme environmental conditions. In this study, thirteen bacterial strains capable of degrading eight azo dyes were isolated in nearshore environments and characterized using high throughput 16 S rRNA sequencing. The results of this study demonstrate that the biodegradability of azo dyes was influenced by their chemical structure and position of functional groups as well as the type of bacteria. The decolorization rate of Methyl Orange (95%) was double that of the heavier and sterically hindered Reactive Yellow 84 (<40%). Shewanella indica strain ST2, Oceanimonas smirnovii strain ST3, Enterococcus faecalis strain ST5, and Clostridium bufermentans strain ST12 demonstrated potential application in industrial effluent treatment as they were tolerant to a wide range of environmental parameters (pH: 5-9, NaCl: 0-70 g L-1, azo dye concentration: 100-2000 mg L-1) including exposure to metals. Analysis of the transformation products using GC-MS revealed that different bacterial strains may have different biotransformation pathways. This study provides critical insight on the in-situ biotransformation potential of azo dyes in marine environments.
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Affiliation(s)
- Mei Zhuang
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong Province, China
| | - Edmond Sanganyado
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong Province, China
| | - Xinxin Zhang
- Department of Civil & Environmental Engineering, Shantou University, Shantou, Guangdong Province, China
| | - Liang Xu
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong Province, China
| | - Jianming Zhu
- School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai, 264209, China
| | - Wenhua Liu
- Guangdong Provincial Key Laboratory of Marine Biotechnology, Institute of Marine Science, Shantou University, Shantou, Guangdong Province, China.
| | - Haihong Song
- Department of Civil & Environmental Engineering, Shantou University, Shantou, Guangdong Province, China.
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Isolation, identification and characterization of soil bacteria for the production of ferulic acid through co-culture fermentation using banana stem waste. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2151-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Mahmood F, Shahid M, Hussain S, Haider MZ, Shahzad T, Ahmed T, Noman M, Rasheed F, Khan MB. Bacillus firmus strain FSS2C ameliorated oxidative stress in wheat plants induced by azo dye (reactive black-5). 3 Biotech 2020; 10:40. [PMID: 31988834 PMCID: PMC6952483 DOI: 10.1007/s13205-019-2031-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Accepted: 12/22/2019] [Indexed: 01/24/2023] Open
Abstract
This study was conducted to determine the ability of a bacterial strain FSS2C to ameliorate growth of wheat plants grown under induced stress of reactive black-5 (RB-5). The strain was taxonomically identified as Bacillus firmus on the basis of its 16S rRNA gene sequence analysis. The B. firmus FSS2C was found physiologically potent in phosphate solubilization, indole-3-acetic acid production and ammonia synthesis in the presence of varying concentrations of azo dye RB-5. Moreover, it decolorized RB-5 in vitro with the maximum decolorization (%) found at pH 7 and 30 °C. Inoculation of wheat plants, growing under stress induced by RB-5 dye, with rifampicin-resistant derivatives of the strain FSS2C substantially reduced the cellular oxidative stress, thereby resulting in higher plant biomass as compared to non-inoculated plants. Similarly, the inoculated plants revealed higher nutrient content in shoots as compared to non-inoculated ones. It was concluded that B. firmus strain FSS2C alleviated the oxidative stress impairment caused by reactive black-5 in wheat plants. Therefore, the strain can be used as bio-inoculant in wastewater irrigated soils.
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Affiliation(s)
- Faisal Mahmood
- Department of Environmental Sciences and Engineering, Government College University, Faisalabad, 38000 Pakistan
| | - Muhammad Shahid
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Allama Iqbal Road, Faisalabad, 38000 Pakistan
| | - Sabir Hussain
- Department of Environmental Sciences and Engineering, Government College University, Faisalabad, 38000 Pakistan
| | | | - Tanvir Shahzad
- Department of Environmental Sciences and Engineering, Government College University, Faisalabad, 38000 Pakistan
| | - Temoor Ahmed
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Allama Iqbal Road, Faisalabad, 38000 Pakistan
| | - Muhammad Noman
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Allama Iqbal Road, Faisalabad, 38000 Pakistan
| | - Fahad Rasheed
- Department of Forestry and Range Management, University of Agriculture, Faisalabad, Pakistan
| | - Muhammad Bismillah Khan
- Department of Agronomy, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan
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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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Recent advances in anaerobic biological processes for textile printing and dyeing wastewater treatment: a mini-review. World J Microbiol Biotechnol 2018; 34:165. [DOI: 10.1007/s11274-018-2548-y] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 10/25/2018] [Indexed: 12/29/2022]
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12
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Turkten N, Cinar Z. Photocatalytic decolorization of azo dyes on TiO 2 : Prediction of mechanism via conceptual DFT. Catal Today 2017. [DOI: 10.1016/j.cattod.2017.01.019] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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13
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Bagewadi ZK, Mulla SI, Ninnekar HZ. Purification and immobilization of laccase from Trichoderma harzianum strain HZN10 and its application in dye decolorization. J Genet Eng Biotechnol 2017; 15:139-150. [PMID: 30647650 PMCID: PMC6296572 DOI: 10.1016/j.jgeb.2017.01.007] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2016] [Revised: 01/16/2017] [Accepted: 01/21/2017] [Indexed: 01/24/2023]
Abstract
In this study we report the purification of laccase produced by Trichoderma harzianum strain HZN10 (using wheat bran under solid state fermentation) and its application in decolorization of synthetic dyes. Extracellular laccase was purified to homogeneity by DEAE-Sepharose and Sephadex G-100 chromatography with specific activity of 162.5 U/mg and 25-fold purification. Purified laccase was immobilized in various entrapments like calcium alginate, copper alginate, calcium alginate–chitosan beads and sol–gel matrix. Optimization results revealed that the laccase immobilized in sol–gel was optimally active in wide pH range (4.0–7.0) and thermo-stable (50–70 °C) than free enzyme which was optimum at 50 °C and pH 6.0. Kinetic analysis showed Km of 0.5 mM and 2.0 mM and Vmax of 285 U/mg and 500 U/mg by free laccase and sol–gel immobilized laccase respectively with 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) [ABTS] substrate. Free and immobilized laccase was employed for decolorization of three different synthetic dyes (malachite green, methylene blue and congo red). High performance liquid chromatography (HPLC) analysis results revealed that approximately 100% of malachite green, 90% of methylene blue and 60% of congo red dyes at initial concentration of 200 mg/L were decolorized within 16, 18 and 20 h, respectively by laccase immobilized in sol–gel matrix in the presence of 1-hydroxybenzotriazole (HBT) mediator. During the decolorization all three synthetic dyes showed various peaks on HPLC chromatogram indicating different by-products formation. Finally, phytotoxicity analysis results revealed that the by-products of synthetic dyes (formed during decolorization) showed less toxicity against Phaseolus mungo compared to untreated synthetic dyes.
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Affiliation(s)
- Zabin K Bagewadi
- Department of Biochemistry, Karnatak University, Dharwad, Karnataka 580 003, India.,Department of Biotechnology, KLE Technological University Hubballi, Karnataka 580 031, India
| | - Sikandar I Mulla
- Department of Biochemistry, Karnatak University, Dharwad, Karnataka 580 003, India
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Isolation and characterization of plant synergistic bacteria capable of degrading xenobiotics from oil spillage sites. 3 Biotech 2016; 6:193. [PMID: 28330265 PMCID: PMC5012992 DOI: 10.1007/s13205-016-0509-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 08/24/2016] [Indexed: 11/02/2022] Open
Abstract
Oil spillage sites primarily contain various types of hydrocarbons, such as linear chain, polycyclic, and aromatic compounds, posing several detrimental effects on plants. Results from our previous study showed an alteration of various metabolomic parameters, indirectly resulting in an observable decline of growth in the mung seedlings upon incubation with phenol, toluene, xylene, and hexane. This study evaluates the role of these compounds upon plant growth and focusses to mitigate the effect of the same, using some isolated plant synergistic bacteria. We isolated Proteus sp., Streptococcus sp., and Enterococcus sp., and tested the synergism of them in mung seedlings (Vigna radiata) by hydroponics. Treatment with the above-mentioned compounds significantly reduced the root and shoot length of the seedlings when compared to the control. The bacterial treatment helped in reducing the adversity due to the xenobiotic insult, by improving the root shoot length of the treated seedlings. Proteus sp. was found to be the most promising among other isolates. In another experiment, plasmid profiling of the bacterial isolates was done, yielding a band of 4.5 kb common for all, serving as a clue to be the most probable plasmid responsible for the degradation of the compounds. Results from this study clearly indicate that Proteus sp. can be explored further for its plant synergism and xenobiotic degradative capability to exploit its potential in oil spillage land reclamation and establishing vegetation.
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Abbas N, Hussain S, Azeem F, Shahzad T, Bhatti SH, Imran M, Ahmad Z, Maqbool Z, Abid M. Characterization of a salt resistant bacterial strain Proteus sp. NA6 capable of decolorizing reactive dyes in presence of multi-metal stress. World J Microbiol Biotechnol 2016; 32:181. [PMID: 27646208 DOI: 10.1007/s11274-016-2141-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 09/12/2016] [Indexed: 11/26/2022]
Abstract
Microbial biotechnologies for the decolorization of textile wastewaters have attracted worldwide attention because of their economic suitability and easiness in handling. However, the presence of high amounts of salts and metal ions in textile wastewaters adversely affects the decolorization efficiency of the microbial bioresources. In this regard, the present study was conducted to isolate salt tolerant bacterial strains which might have the potential to decolorize azo dyes even in the presence of multi-metal ion mixtures. Out of the tested 48 bacteria that were isolated from an effluent drain, the strain NA6 was found relatively more efficient in decolorizing the reactive yellow-2 (RY2) dye in the presence of 50 g L(-1) NaCl. Based on the similarity of its 16S rRNA gene sequence and its position in a phylogenetic tree, this strain was designated as Proteus sp. NA6. The strain NA6 showed efficient decolorization (>90 %) of RY2 at pH 7.5 in the presence of 50 g L(-1) NaCl under static incubation at 30 °C. This strain also had the potential to efficiently decolorize other structurally related azo dyes in the presence of 50 g L(-1) NaCl. Moreover, Proteus sp. NA6 was found to resist the presence of different metal ions (Co(+2), Cr(+6), Zn(+2), Pb(+2), Cu(+2), Cd(+2)) and was capable of decolorizing reactive dyes in the presence of different levels of the mixtures of these metal ions along with 50 g L(-1) NaCl. Based on the findings of this study, it can be suggested that Proteus sp. NA6 might serve as a potential bioresource for the biotechnologies involving bioremediation of textile wastewaters containing the metal ions and salts.
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Affiliation(s)
- Naila Abbas
- Department of Environmental Sciences & Engineering, Government College University, Allama Iqbal Road, Faisalabad, Pakistan
| | - Sabir Hussain
- Department of Environmental Sciences & Engineering, Government College University, Allama Iqbal Road, Faisalabad, Pakistan.
- UCD School of Biomolecular and Biomedical Sciences, University College Dublin, Belfield, Dublin 4, Ireland.
| | - Farrukh Azeem
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Pakistan
| | - Tanvir Shahzad
- Department of Environmental Sciences & Engineering, Government College University, Allama Iqbal Road, Faisalabad, Pakistan
| | | | - Muhammad Imran
- Department of Soil Science, Muhammad Nawaz Sharif University of Agriculture, Multan, Pakistan
- Environmental Microbiology, Soil Science Division, Nuclear Institute for Agriculture and Biology (NIAB), Faisalabad, 38000, Pakistan
| | - Zulfiqar Ahmad
- Department of Environmental Sciences, PMAS Arid Agriculture University, Rawalpindi, Pakistan
| | - Zahid Maqbool
- Department of Environmental Sciences & Engineering, Government College University, Allama Iqbal Road, Faisalabad, Pakistan
| | - Muhammad Abid
- Department of Plant Pathology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakaria University, Multan, Pakistan
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Rawat D, Mishra V, Sharma RS. Detoxification of azo dyes in the context of environmental processes. CHEMOSPHERE 2016; 155:591-605. [PMID: 27155475 DOI: 10.1016/j.chemosphere.2016.04.068] [Citation(s) in RCA: 135] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 03/27/2016] [Accepted: 04/19/2016] [Indexed: 06/05/2023]
Abstract
Azo dyes account for >70% of the global industrial demand (∼9 million tons). Owing to their genotoxic/carcinogenic potential, the annual disposal of ∼4,500,000 tons of dyes and/or degraded products is an environmental and socio-economic concern. In comparison to physico-chemical methods, microbe-mediated dye degradation is considered to be low-input, cost-effective and environmentally-safe. However, under different environmental conditions, interactions of chemically diverse dyes with metabolically diverse microbes produce metabolites of varying toxicity. In addition, majority of studies on microbial dye-degradation focus on decolorization with least attention towards detoxification. Therefore, the environmental significance of microbial dye detoxification research of past >3 decades is critically evaluated with reference to dye structure and the possible influence of microbial interactions in different environments. In the absence of ecosystem-based studies, the results of laboratory-based studies on dye degradation, metabolite production and their genotoxic impact on model organisms are used to predict the possible fate and consequences of azo dyes/metabolites in the environment. In such studies, the predominance of fewer numbers of toxicological assays that too at lower levels of biological organization (molecular/cellular/organismic) suggests its limited ecological significance. Based on critical evaluation of these studies the recommendations on inclusion of multilevel approach (assessment at multiple levels of biological organization), multispecies microcosm approach and native species approach in conjunction with identification of dye metabolites have been made for future studies. Such studies will bridge the gap between the fundamental knowledge on dye-microbe-environment interactions and its application to combat dye-induced environmental toxicity. Thus an environmental perspective on dye toxicity in the background of dye structure and effects of environmental processes has been developed. Based on past 3 decades of research on microbial dye detoxification, the current state of knowledge has been analyzed, environmental relevance of these studies was ascertained, research gaps in microbe-mediated azo dye detoxification have been identified and a research framework emphasizing a better understanding of complex interactions between dye-microbe and environmental processes has been proposed. It provides directions for undertaking environmentally sound microbial dye detoxification research.
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Affiliation(s)
- Deepak Rawat
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi 110 007, India
| | - Vandana Mishra
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi 110 007, India.
| | - Radhey Shyam Sharma
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi 110 007, India
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Decolorization of acid and basic dyes: understanding the metabolic degradation and cell-induced adsorption/precipitation by Escherichia coli. Appl Microbiol Biotechnol 2015; 99:8235-45. [DOI: 10.1007/s00253-015-6648-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Revised: 04/16/2015] [Accepted: 04/19/2015] [Indexed: 10/23/2022]
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Balapure KH, Jain K, Chattaraj S, Bhatt NS, Madamwar D. Co-metabolic degradation of diazo dye- reactive blue 160 by enriched mixed cultures BDN. JOURNAL OF HAZARDOUS MATERIALS 2014; 279:85-95. [PMID: 25043700 DOI: 10.1016/j.jhazmat.2014.06.057] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Revised: 05/30/2014] [Accepted: 06/19/2014] [Indexed: 06/03/2023]
Abstract
Mixed cultures BDN (BDN) proficient in decolourizing diazo dye-reactive blue 160 (RB160) consist of eight bacterial strains, was developed through culture enrichment method from soil samples contaminated with anthropogenic activities. The synthrophic interactions of BDN have led to complete decolourization and degradation of RB160 (100mg/L) within 4h along with co-metabolism of yeast extract (0.5%) in minimal medium. BDN microaerophilicaly decolourized even 1500mg/L of RB160 under high saline conditions (20g/L NaCl) at 37°C and pH 7.0. BDN exhibited broad substrate specificity and decolourized 27 structurally different dyes. The reductase enzymes symmetrically cleaved RB160 and oxidative enzymes further metabolised the degraded products and five different intermediates were identified using FTIR, (1)HNMR and GC-MS. The phytotoxicity assay confirmed that intact RB160 was more toxic than dye degraded intermediates. The BDN was able to colonize and decolourized RB160 in soil model system in presence of indigenous miocroflora as well as in sterile soil without any amendment of additional nutrients, which signifies it useful and potential application in bioremediation.
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Affiliation(s)
- Kshama H Balapure
- Post Graduate Department of Microbiology, Biogas Research and Extension Centre, Gujarat Vidyapeeth, Sadra 382320, Gujarat, India.
| | - Kunal Jain
- Environmental Genomics and Proteomics Lab, BRD School of Biosciences, Satellite Campus, Sardar Patel University, Vadtal Road, Post Box No. 39, Vallabh Vidyanagar 388120, Gujarat, India
| | - Sananda Chattaraj
- Environmental Genomics and Proteomics Lab, BRD School of Biosciences, Satellite Campus, Sardar Patel University, Vadtal Road, Post Box No. 39, Vallabh Vidyanagar 388120, Gujarat, India
| | - Nikhil S Bhatt
- Post Graduate Department of Microbiology, Biogas Research and Extension Centre, Gujarat Vidyapeeth, Sadra 382320, Gujarat, India.
| | - Datta Madamwar
- Environmental Genomics and Proteomics Lab, BRD School of Biosciences, Satellite Campus, Sardar Patel University, Vadtal Road, Post Box No. 39, Vallabh Vidyanagar 388120, Gujarat, India.
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Sahasrabudhe MM, Saratale RG, Saratale GD, Pathade GR. Decolorization and detoxification of sulfonated toxic diazo dye C.I. Direct Red 81 by Enterococcus faecalis YZ 66. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2014; 12:151. [PMID: 25649265 PMCID: PMC4299565 DOI: 10.1186/s40201-014-0151-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Accepted: 12/14/2014] [Indexed: 05/15/2023]
Abstract
Isolated Enterococcus faecalis YZ 66 strain shows ability to decolorize various industrial dyes among which, it showed complete decolorization and degradation of toxic, sulfonated recalcitrant diazo dye Direct Red 81 (50 mg/L) within 1.5 h of incubation under static anoxic condition. The optimum pH and temperature for decolorization was 7.0 and 40°C, respectively. Significant induction in the activity of intracellular oxidoreductive enzymes suggested its involvement in the decolorization of Direct Red 81. The biodegradation of Direct Red 81 was monitored by UV-Visible, FT-IR spectroscopy and HPLC. The final products were characterized by GC-MS and possible pathway of the degradation of the dye was proposed. The phytotoxicity assay (with respect to plants Sorghum vulgare and Phaseolus mungo) revealed that the degradation of Direct Red 81 produced nontoxic metabolites. Finally E. faecalis was employed to decolorize actual industrial effluent showing decolorization (in terms of ADMI value) with moderate COD and BOD reduction. Moreover the result increases the applicability of the strain for the treatment of industrial wastewaters containing dye pollutants.
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Affiliation(s)
| | - Rijuta G Saratale
- />Department of Biotechnology, Shivaji University, Kolhapur, MS India
| | - Ganesh D Saratale
- />Department of Environmental Biotechnology, Shivaji University, Kolhapur, MS India
- />Department of Biochemistry, Shivaji University, Kolhapur, MS India
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Hussain S, Maqbool Z, Ali S, Yasmeen T, Imran M, Mahmood F, Abbas F. Biodecolorization of Reactive Black-5 by a metal and salt tolerant bacterial strain Pseudomonas sp. RA20 isolated from Paharang drain effluents in Pakistan. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2013; 98:331-338. [PMID: 24138897 DOI: 10.1016/j.ecoenv.2013.09.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Revised: 09/12/2013] [Accepted: 09/17/2013] [Indexed: 06/02/2023]
Abstract
Discharge of untreated azo dyes contaminated textile wastewater into soil and water bodies causes severe contamination. The present study was conducted to isolate dye degrading bacterial strains from a textile industry wastewater carrying drain in the neighborhood of Faisalabad, Pakistan. Seventy six bacterial strains were initially isolated and was screened using liquid mineral salts medium spiked with Reactive Black-5 azo dye. The strain RA20 was found to be the most efficient azo dye degrading bacterial isolate and was identified by amplifying and sequencing its 16S rRNA. Analysis indicated that this strain belonged to genus Pseudomonas and was designated as Pseudomonas sp. RA20. It had the highest decolorization activity at pH 8 and 25 °C incubation temperature under static conditions using yeast extract as an additional C source. This strain was also effective in decolorizing structurally related other reactive dyes including Reactive Orange 16, Reactive Yellow 2 and Reactive Red 120 but with varying efficacy. RA20 decolorized Reactive Black-5 significantly in the presence of up to 30 g L⁻¹ NaCl; however, the decolorization rate was significantly (p≤0.05) reduced beyond this salt concentration. Moreover, this bacterial strain also exhibited moderate tolerance to different heavy metals including zinc (Zn), cadmium (Cd), chromium (Cr), lead (Pb) and copper (Cu). RA20 also decolorized Reactive Black-5 in the presence of a mixture of the selected heavy metals depending upon their concentrations. This study highlights the importance of Pseudomonas sp. RA20 as a prospective biological resource for bioremediation of water and soils contaminated with azo dyes.
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Affiliation(s)
- Sabir Hussain
- Department of Environmental Sciences, Government College University, Allama Iqbal Road, Faisalabad, Pakistan.
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Abstract
Enterococcus sp. strain C1 is a facultative anaerobe which was coisolated with Citrobacter sp. strain A1 from a sewage oxidation pond. Strain C1 could degrade azo dyes very efficiently via azo reduction and desulfonation in a microaerophilic environment. Here the draft genome sequence of Enterococcus sp. C1 is reported.
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