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Vaidyanathan VK, Kumar PS, Singh I, Singh I, Rangasamy G, Saratale RG, Saratale GD. Removal of pentachlorophenol and phenanthrene from lignocellulosic biorefinery wastewater by a biocatalytic/biosurfactant system comprising cross-linked laccase aggregates and rhamnolipid. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 329:121635. [PMID: 37085105 DOI: 10.1016/j.envpol.2023.121635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 03/01/2023] [Accepted: 04/11/2023] [Indexed: 05/03/2023]
Abstract
Synthesis and characterization of highly active cross-linked laccase aggregates (CLLAs) were performed and evaluated for removal of pentachlorophenol and phenanthrene from lignocellulosic biorefinery wastewater. Laccase from Tramates versicolor MTCC 138 was insolubilized as CLLAs via precipitation with 70% ammonium sulphate and simultaneous cross-linking with 5 mM glutaraldehyde to obtain activity recovery of 89.1%. Compared to the free laccase, the pH and thermal stability of the prepared CLLAs were significantly higher. At a high temperature of 60 °C, free laccase had a half-life of 0.25 h, while CLLAs had a half-life of 6.2 h. In biorefinery wastewater (pH 7.0), the free and CLLAs were stored for 3 day at a temperature of 30 °C. Free laccase completely lost their initial activity after 60 h; however, the CLLAs retained 39% activity till 72 h. Due to its excellent stability, free laccase and CLLAs were assessed for removing pentachlorophenol and phenanthrene in wastewater. CLLAs could remove 51-58% of pentachlorophenol (PCP) and phenanthrene (PHE) in 24 h. Biosurfactants, including surfactin, sophorolipid, and rhamnolipid, were assessed for their aptitude to improve the removal of organic contaminants in wastewater. Biorefinery wastewater incubated with all surfactants enhanced PCP and PHE removal compared to the no-surfactant controls. Further, 1 μM rhamnolipid significantly amplified pentachlorophenol and phenanthrene removal to 81-93% for free laccase and CLLAs, respectively.
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Affiliation(s)
- Vinoth Kumar Vaidyanathan
- Integrated Bioprocessing Laboratory, Department of Biotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur , 603203, Chengalpattu District, Tamil Nadu, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, 603110, Tamil Nadu, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Kalavakkam, 603 110, Tamil Nadu, India; School of Engineering, Lebanese American University, Byblos, Lebanon
| | - Isita Singh
- Integrated Bioprocessing Laboratory, Department of Biotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur , 603203, Chengalpattu District, Tamil Nadu, India
| | - Ishani Singh
- Integrated Bioprocessing Laboratory, Department of Biotechnology, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur , 603203, Chengalpattu District, Tamil Nadu, India
| | - Gayathri Rangasamy
- School of Engineering, Lebanese American University, Byblos, Lebanon; Department of Sustainable Engineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India; University Centre for Research and Development & Department of Civil Engineering, Chandigarh University, Gharuan, Mohali, Punjab, 140413, India
| | - Rijuta Ganesh Saratale
- Research Institute of Integrative Life Sciences, Dongguk University-Seoul, Ilsandong-gu, Goyang-si, Gyeonggido, 10326, Republic of Korea
| | - Ganesh Dattatraya Saratale
- Department of Food Science and Biotechnology, Dongguk University-Seoul, Ilsandong-gu, Goyang-si, Gyeonggido, 10326, Republic of Korea.
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Krzepiłko A, Matyszczuk KM, Święciło A. Effect of Sublethal Concentrations of Zinc Oxide Nanoparticles on Bacillus cereus. Pathogens 2023; 12:pathogens12030485. [PMID: 36986407 PMCID: PMC10053889 DOI: 10.3390/pathogens12030485] [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: 02/09/2023] [Revised: 03/10/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
Zinc oxide nanoparticles (ZnONPs), which are produced on a large scale, pose a potential threat to various environments because they can interact with the microbial populations found in them. Bacteria that are widespread in soil, water, and plant material include the Bacillus cereus group, which plays an important role in biodegradation and the nutrient cycle and is a major factor determining ecological balance. This group includes, among others, the foodborne pathogen B. cereus sensu stricto (herein referred to as B. cereus). The aim of this study was a comprehensive assessment of the effects of commercially available ZnONPs on B. cereus. The MIC (minimum inhibitory concentration) for B. cereus was 1.6 mg/mL, and the MBC (minimum bactericidal concentration) was 1.8 mg/mL. Growth of B. cereus was inhibited by a concentration of ZnONPs lower than or equal to MIC50. Concentrations from 0.2 to 0.8 mg/mL inhibited the growth of these bacteria in liquid media, induced symptoms of oxidative stress, and stimulated an environmental stress response in the form of biofilm and endospore formation. In addition, ZnONPs negatively affected the ability of the bacteria to break down the azo dye Evans Blue but enhanced the antimicrobial properties of phenolic compounds. Sublethal concentrations of ZnONPs generally decreased the activity of B. cereus cells, especially in the presence of phenolics, which indicates their potential toxicological impact, but at the same time they induced universal defence responses in these cells, which in the case of potential pathogens can hinder their removal.
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Affiliation(s)
- Anna Krzepiłko
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences in Lublin, 20-950 Lublin, Poland
| | - Katarzyna Magdalena Matyszczuk
- Department of Biotechnology, Microbiology and Human Nutrition, University of Life Sciences in Lublin, 20-950 Lublin, Poland
| | - Agata Święciło
- Department of Environmental Microbiology, Faculty of Agrobioengineering, University of Life Sciences in Lublin, 20-069 Lublin, Poland
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Bautista‐Guerrero A, Lara‐Diaz RA, Pihen V, Bandala ER, Sanchez‐Sala JL. Isolation and test of novel yeast strains with lignin usage capability and phenolic compound resistance. Microbiologyopen 2022; 11:e1326. [PMID: 36314751 PMCID: PMC9562823 DOI: 10.1002/mbo3.1326] [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: 06/01/2022] [Accepted: 10/01/2022] [Indexed: 11/06/2022] Open
Abstract
Five yeast fungi strains (i.e., two Cryptococcus albidus, one Candida guillermondii, and two Candida tropicalis) were isolated from sugarcane and tested for their use of lignin as sole carbon source and their potential to grow in the presence of phenol and phenol derivatives (i.e., pentachlorophenol and p‐nitrophenol). The full set of isolated yeasts showed ligninolytic activity, achieving at least 36% lignin degradation after 25 days. The C. albidus JS‐B1 strain had the highest ligninolytic activity, achieving 27% lignin degradation within 4 days. This increased activity was associated with the production of ligninolytic laccase enzymes. All the tested yeast fungi strains showed growth in the presence of high concentrations of phenolic compounds (i.e., 900 mg/L phenol, 200 mg/L p‐nitrophenol, 50 mg/L pentachlorophenol) and showed significant potential for lignin and lignin by‐product degradation. Each of these five strains has the potential to be used in biological treatment processes for contaminated effluents from paper pulping and bleaching or phenol and phenol‐derivative biodegradation processes for other industrial wastewater effluents.
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Affiliation(s)
- Anaid Bautista‐Guerrero
- Department of Civil and Environmental Engineering, Engineering SchoolUniversidad de las Americas PueblaPueblaMexico
| | - Rene A. Lara‐Diaz
- Department of Chemistry and Food Engineering, Engineering SchoolUniversidad de las Americas PueblaPueblaMexico
| | - Valérie Pihen
- Department of Civil and Environmental Engineering, Engineering SchoolUniversidad de las Americas PueblaPueblaMexico
| | - Erick R. Bandala
- Division of Hydrologic SciencesDesert Research InstituteLas VegasNevadaUSA
| | - Jose Luis Sanchez‐Sala
- Department of Chemistry and Biological Sciences, Sciences SchoolUniversidad de las Americas PueblaPueblaMexico
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Parvulescu VI, Epron F, Garcia H, Granger P. Recent Progress and Prospects in Catalytic Water Treatment. Chem Rev 2021; 122:2981-3121. [PMID: 34874709 DOI: 10.1021/acs.chemrev.1c00527] [Citation(s) in RCA: 67] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Presently, conventional technologies in water treatment are not efficient enough to completely mineralize refractory water contaminants. In this context, the implementation of catalytic processes could be an alternative. Despite the advantages provided in terms of kinetics of transformation, selectivity, and energy saving, numerous attempts have not yet led to implementation at an industrial scale. This review examines investigations at different scales for which controversies and limitations must be solved to bridge the gap between fundamentals and practical developments. Particular attention has been paid to the development of solar-driven catalytic technologies and some other emerging processes, such as microwave assisted catalysis, plasma-catalytic processes, or biocatalytic remediation, taking into account their specific advantages and the drawbacks. Challenges for which a better understanding related to the complexity of the systems and the coexistence of various solid-liquid-gas interfaces have been identified.
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Affiliation(s)
- Vasile I Parvulescu
- Department of Organic Chemistry, Biochemistry and Catalysis, University of Bucharest, B-dul Regina Elisabeta 4-12, Bucharest 030016, Romania
| | - Florence Epron
- Université de Poitiers, CNRS UMR 7285, Institut de Chimie des Milieux et Matériaux de Poitiers (IC2MP), 4 rue Michel Brunet, TSA 51106, 86073 Poitiers Cedex 9, France
| | - Hermenegildo Garcia
- Instituto Universitario de Tecnología Química, Universitat Politecnica de Valencia-Consejo Superior de Investigaciones Científicas, Universitat Politencia de Valencia, Av. de los Naranjos s/n, 46022 Valencia, Spain
| | - Pascal Granger
- CNRS, Centrale Lille, Univ. Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, Univ. Lille, F-59000 Lille, France
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Ammeri RW, Di Rauso Simeone G, Hassen W, Ibrahim C, Ammar RB, Hassen A. Bacterial consortium biotransformation of pentachlorophenol contaminated wastewater. Arch Microbiol 2021; 203:6231-6243. [PMID: 34591145 DOI: 10.1007/s00203-021-02589-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/16/2021] [Accepted: 09/17/2021] [Indexed: 10/20/2022]
Abstract
The aims of this study were (i) to compare PCP removal (100 mg L-1) by two bacterial consortia B1 and B2 in sterile wastewater (STWW) and liquid mineral medium (MSM), (ii) PCP effect in biofilm formation and antimicrobial susceptibility. PCP removal was measured by high-performance liquid chromatography (HPLC) during 168 h at 30 °C. Biofilm formation was assessed with two approaches: Congo Red Agar and Microtiter-plate. Antimicrobial susceptibility was determined by the agar disc diffusion technique. The results showed that the PCP removal for consortium B1 and B2 after 168 h was 70 and 97.5% in STWW; 62.2 and 85.5% in MSM, respectively. In addition, PCP addition showed an increase in biofilm development especially for B2 consortium around 3.5 nm in 100 mg L-1 PCP. PCP added in the Muller Hinton (MH) medium and Gentamicin disc showed a clear increase in diameter of cell lysis around 2 to 4.5 cm.
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Affiliation(s)
- Rim Werheni Ammeri
- Laboratoire de Traitement Et Valorisation Des Rejets Hydriques (LTVRH), Water Research and Technology Center (CERTE), Technopole Borj-Cédria, B.P. 273, 8020, Soliman, Tunisia. .,Eremology and Combating Desertification, Arid Regions Institute of Medenine, Medenine, Tunisia.
| | - Giuseppe Di Rauso Simeone
- Dipartimento Di Agraria, Università Degli Studi Di Napoli Federico II, Via Università 100, 80055, Portici, Italy
| | - Wafa Hassen
- Research Unit of Analysis and Process Applied To the Environmental, APAE Higher Institute of Applied Sciences and Technology Mahdia, the University of Monastir, Monastir, Tunisia
| | - Chourouk Ibrahim
- Laboratoire de Traitement Et Valorisation Des Rejets Hydriques (LTVRH), Water Research and Technology Center (CERTE), Technopole Borj-Cédria, B.P. 273, 8020, Soliman, Tunisia.,Dipartimento Di Agraria, Università Degli Studi Di Napoli Federico II, Via Università 100, 80055, Portici, Italy
| | - Rym Ben Ammar
- Dipartimento Di Agraria, Università Degli Studi Di Napoli Federico II, Via Università 100, 80055, Portici, Italy
| | - Abdennaceur Hassen
- Laboratoire de Traitement Et Valorisation Des Rejets Hydriques (LTVRH), Water Research and Technology Center (CERTE), Technopole Borj-Cédria, B.P. 273, 8020, Soliman, Tunisia
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Aregbesola OA, Kumar A, Mokoena MP, Olaniran AO. Classic Pentachlorophenol Hydroxylating Phenylalanine 4-Monooxygenase from Indigenous Bacillus tropicus Strain AOA-CPS1: Cloning, Overexpression, Purification, Characterization and Structural Homology Modelling. Appl Biochem Biotechnol 2021; 194:635-658. [PMID: 34417677 DOI: 10.1007/s12010-021-03645-2] [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: 02/01/2021] [Accepted: 08/10/2021] [Indexed: 11/22/2022]
Abstract
The metabolically promiscuous pentachlorophenol (PCP) hydroxylating Phe4MO (represented as CpsB) was detected, amplified (from the genome of Bacillus tropicus strain AOA-CPS1), cloned, overexpressed, purified and characterized here. The 1.755-kb gene cloned in the pET15b vector expressed a ≅ 64 kDa monomeric protein which was purified to homogeneity by single-step affinity chromatography, with a total yield of 82.1%. The optimum temperature and pH of the enzyme were found to be 30 °C and 7.0, respectively. CpsB showed functional stability between pH 6.0-7.5 and temperature 25-30 °C. The enzyme-substrate reaction kinetic studies showed the allosteric nature of the enzyme and followed pre-steady state using NADH as a co-substrate with apparent vmax, Km, kcat and kcat/Km values of 0.465 μM.s-1, 140 μM, 0.099 s-1 and 7.07 × 10-4 μM-1.s-1, respectively, for the substrate PCP. The in-gel trypsin digestion experiments and bioinformatic tools confirmed that the reported enzyme is a Phe4MO with multiple putative conserved domains and metal ion-binding site. Though Phe4MO has been reported to have a diverse catalytic function, here we report, for the first time, that it functions as a PCP dehalogenase or PCP-4-monooxygenase by hydroxylating PCP. Hence, the use of this enzyme may be further explored in the bioremediation of PCP and other related xenobiotics.
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Affiliation(s)
- Oladipupo A Aregbesola
- Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville Campus), Private Bag X54001, Durban, 4000, South Africa
| | - Ajit Kumar
- Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville Campus), Private Bag X54001, Durban, 4000, South Africa
| | - Mduduzi P Mokoena
- Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville Campus), Private Bag X54001, Durban, 4000, South Africa
| | - Ademola O Olaniran
- Discipline of Microbiology, School of Life Sciences, College of Agriculture, Engineering and Science, University of KwaZulu-Natal (Westville Campus), Private Bag X54001, Durban, 4000, South Africa.
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Ammeri RW, Hassen W, Hidri Y, Di Rauso Simeone G, Hassen A. Macrophyte and indigenous bacterial co-remediation process for pentachlorophenol removal from wastewater. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2021; 24:271-282. [PMID: 34121527 DOI: 10.1080/15226514.2021.1933897] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
This study has contributed in the description of bioaugmentation-phytoremediation efficiency process using Typha angustifolia concerning PCP tolerance and removal from wastewater. Samples of wastewater were collected from industrial wastewater plants, namely row wastewater effluent "E.WW", primary wastewater "P.WW", secondary wastewater "S.WW", clarified wastewater "AC.WW". These effluents were spiked with PCP at different rate (100, 500, and 1000 mg.L-1), physical, chemical and biological properties were monitored. A second experiment was set up in order to check the efficiency of phytoremediation treatments of the different effluents artificially contaminated with 200 mg.L-1 PCP after 20 days lab scale experiment. An important PCP removal by indigenous bacteria was showed in S. WW with values from 1000 to 72.2 mg.L-1 from T0 (start of the experiment) to TF (end of the experiment), respectively. Phytoremediation process allowed a decrease of PCP rate from 200 to 6.4 mg.L-1, a decrease of chloride content from 14.0 to 4.0 mg.L-1 in S.WW samples was observed. Furthermore, a significant increase of bacterial number in S.WW and AC.WW to 1.700 × 106 and 1.450 × 106 CFU.mL-1, respectively was observed. In addition, the DGGE analysis showed that after bioaugmentation-phytoremediation treatments, the highest species richness and relative abundance in wastewater effluent was observed. Novelty statement Pentachlorophenol (PCP) is one of highly toxic of polychlorophenols and required to continuously monitor in environment. This paper presenting a sensitive method phytoremediation and bioaugmentation for PCP biotransformation in wastewater. The novelty is the choice of a macrophyte Typha angustifolia, which is still used for the elimination of heavy metals but it not used for pesticide and pollutant removal in wastewater. Also, there are different analysis that was performed in order to check phyto-technique process (DGGE and HPLC). On the other side, in this study, the phyto-techniques with Typha angustifolia positively affected intrinsic microorganisms in order to promote pollutant remediation. So, the intrinsic microorganisms in wastewater with the macrophyte presence have a great capacity to reduce this pollutant and improve the bioremediation process.
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Affiliation(s)
- Rim Werheni Ammeri
- Water Treatment and Recycling Laboratory, Water Research and Technology Center (CERTE), Technopole Borj-Cédria, Soliman, Tunisia
- Faculty of Sciences of Tunis (FST), University of Mathematical, Physical and Natural Sciences of Tunis El Manar, Tunis, Tunisia
| | - Wafa Hassen
- Research Unit of Analysis and Process Applied to the Environmental (APAE), Higher Institute of Applied Sciences and Technology Mahdia, University of Monastir, Monastir, Tunisia
| | - Yassine Hidri
- Integrated Olive Oil Production Laboratory (LR 16IO3), Cité Mahragène, Tunis, Tunisia
| | | | - Abdennaceur Hassen
- Water Treatment and Recycling Laboratory, Water Research and Technology Center (CERTE), Technopole Borj-Cédria, Soliman, Tunisia
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