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Yang ZY, Yang SZ, Sun GZ, Wang WD, Fei D, Mu BZ, Gang HZ. High efficiency of biosurfactants in stabilizing oil micro-droplets within the aging time scale of milliseconds: a microfluidic study. SOFT MATTER 2024; 20:6635-6647. [PMID: 39109438 DOI: 10.1039/d4sm00630e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
Rapid adsorption of surfactants onto a freshly formed interface is vital for emulsification because emulsification is a competitive process occurring between the very short time span of interface formation and surfactant mass transport. The biosurfactant surfactin has been previously reported to reach adsorption equilibrium at the hydrophobic/hydrophilic interface within hundreds of milliseconds and rapidly reduce the interfacial tension compared to chemically synthesized surfactants. According to a prior study, surfactin is expected to exhibit good performance in stabilizing micro-droplets of oil within the aging time scale of milliseconds. Herein, the stabilities of micro-droplets of n-hexadecane in the presence of a biosurfactant, surfactin (C15-SFT), and a chemically synthesized surfactant, sodium cetyl benzene sulfonate (8-SCBS), were investigated using a microfluidic method. The coalescence frequency of micro-droplets, the evolution of micro-droplet size, and the coalescence time of micro-droplets were evaluated. The results indicated that C15-SFT exhibited superiority over 8-SCBS in stabilizing the micro-droplets of n-hexadecane. Biosurfactant C15-SFT effectively reduced the fusion probability between oil droplets and elongated the coalescence time compared to 8-SCBS, and these phenomena were obvious at a shorter aging time (150 ms) and lower surfactant concentration (0.1 × critical micelle concentration). The stabilities of micro-droplets increased with aging time and the bulk concentration of surfactants. Stable micro-droplets of n-hexadecane were formed in 1 × 10-4 mol L-1 C15-SFT solution at 600 ms aging time, and the bulk concentration was 1 × 10-3 mol L-1 in the case of 8-SCBS. The micro-droplets rarely coalesced in the presence of 1 × 10-4 mol L-1 C15-SFT after 600 ms aging time, but the micro-droplets in 1 × 10-4 mol L-1 8-SCBS coalesced frequently in the midstream and downstream of the coalescence chamber, and big droplets were dominant in the emulsion. The coalescence time of micro-droplets stabilized by C15-SFT was obviously longer than that of those stabilized by 8-SCBS under the same condition, indicating that the interfacial film formed by C15-SFT has much strength to resist coalescence during collisions. This work is helpful for understanding the activity of lipopeptides in the very short early stage of the emulsification process, laying the foundation for biosurfactant research in the fields of enhanced oil recovery, bioremediation of contaminated water or soil, etc.
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Affiliation(s)
- Zhi-Yuan Yang
- State Key Laboratory of Bioreactor Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Meilong 130, 200237 Shanghai, P. R. China
| | - Shi-Zhong Yang
- State Key Laboratory of Bioreactor Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Meilong 130, 200237 Shanghai, P. R. China
- Engineering Research Center of Microbial Enhanced Oil Recovery, MOE, East China University of Science and Technology, Meilong 130, Shanghai, 200237, P. R. China
| | - Gang-Zheng Sun
- Shengli Oilfield Company, Sinopec, Dongying, 257000, P. R. China
- Research Institute of Petroleum Engineering and Technology, Shengli Oilfield Company, Sinopec, Dongying, 257000, P. R. China
| | - Wei-Dong Wang
- Shengli Oilfield Company, Sinopec, Dongying, 257000, P. R. China
| | - Dan Fei
- State Key Laboratory of Bioreactor Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Meilong 130, 200237 Shanghai, P. R. China
| | - Bo-Zhong Mu
- State Key Laboratory of Bioreactor Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Meilong 130, 200237 Shanghai, P. R. China
- Engineering Research Center of Microbial Enhanced Oil Recovery, MOE, East China University of Science and Technology, Meilong 130, Shanghai, 200237, P. R. China
| | - Hong-Ze Gang
- State Key Laboratory of Bioreactor Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Meilong 130, 200237 Shanghai, P. R. China
- Engineering Research Center of Microbial Enhanced Oil Recovery, MOE, East China University of Science and Technology, Meilong 130, Shanghai, 200237, P. R. China
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Dias GR, Freitas-Silva J, de Carvalho MM, Ramos VFDS, Muricy G, Rodrigues JCF, Costa BRFV, de Oliveira BFR, Laport MS. Bioemulsifier from sponge-associated bacteria reduces staphylococcal biofilm. Microb Pathog 2024; 195:106856. [PMID: 39153576 DOI: 10.1016/j.micpath.2024.106856] [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: 04/25/2024] [Revised: 07/17/2024] [Accepted: 08/13/2024] [Indexed: 08/19/2024]
Abstract
Biofilm formation is a major health concern and studies have been pursued to find compounds able to prevent biofilm establishment and remove pre-existing biofilms. While biosurfactants (BS) have been well-known for possessing antibiofilm activities, bioemulsifiers (BE) are still scarcely explored for this purpose. The present study aimed to evaluate the bioemulsifying properties of cell-free supernatants produced by Bacillaceae and Vibrio strains isolated from marine sponges and investigate their antiadhesive and antibiofilm activities against different pathogenic Gram-positive and Gram-negative bacteria. The BE production by the marine strains was confirmed by the emulsion test, drop-collapsing, oil-displacement, cell hydrophobicity and hemolysis assays. Notably, Bacillus cereus 64BHI1101 displayed remarkable emulsifying activity and the ultrastructure analysis of its BE extract (BE64-1) revealed the presence of structures typically observed in macromolecules composed of polysaccharides and proteins. BE64-1 showed notable antiadhesive and antibiofilm activities against Staphylococcus aureus, with a reduction of adherence of up to 100 % and a dispersion of biofilm of 80 %, without affecting its growth. BE64-1 also showed inhibition of Staphylococcus epidermidis and Escherichia coli biofilm formation and adhesion. Thus, this study provides a starting point for exploring the antiadhesive and antibiofilm activities of BE from sponge-associated bacteria, which could serve as a valuable tool for future research to combat S. aureus biofilms.
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Affiliation(s)
- Gabriel Rodrigues Dias
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária 21941-590, Rio de Janeiro, Brazil
| | - Jéssyca Freitas-Silva
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária 21941-590, Rio de Janeiro, Brazil
| | - Marianna Machado de Carvalho
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária 21941-590, Rio de Janeiro, Brazil
| | - Victor Feliciano Dos Santos Ramos
- Núcleo Multidisciplinar de Pesquisas em Biologia, Campus UFRJ-Duque de Caxias Prof. Geraldo Cidade, Universidade Federal do Rio de Janeiro, Rodovia Washington Luiz, km 104, 5. 25240-005, Duque de Caxias, RJ, Brazil
| | - Guilherme Muricy
- Departamento de Invertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro. Quinta da Boa Vista, s/nº, São Cristóvão. 20940-040 Rio de Janeiro, RJ, Brazil; Instituto de Pesquisas Jardim Botânico do Rio de Janeiro, Rio de Janeiro, 22460-030, RJ, Brazil
| | - Juliany Cola Fernandes Rodrigues
- Núcleo Multidisciplinar de Pesquisas em Biologia, Campus UFRJ-Duque de Caxias Prof. Geraldo Cidade, Universidade Federal do Rio de Janeiro, Rodovia Washington Luiz, km 104, 5. 25240-005, Duque de Caxias, RJ, Brazil
| | - Brunno Renato Farias Verçoza Costa
- Núcleo Multidisciplinar de Pesquisas em Biologia, Campus UFRJ-Duque de Caxias Prof. Geraldo Cidade, Universidade Federal do Rio de Janeiro, Rodovia Washington Luiz, km 104, 5. 25240-005, Duque de Caxias, RJ, Brazil
| | | | - Marinella Silva Laport
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho, 373, Cidade Universitária 21941-590, Rio de Janeiro, Brazil.
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3
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D'Incau E, Ouvrard S, Devers-Lamrani M, Jeandel C, Mohamed CE, Henry S. Biodegradation of a complex hydrocarbon mixture and biosurfactant production by Burkholderia thailandensis E264 and an adapted microbial consortium. Biodegradation 2024; 35:719-737. [PMID: 38517619 DOI: 10.1007/s10532-024-10073-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 02/12/2024] [Indexed: 03/24/2024]
Abstract
Bioremediation is considered to be an effective treatment for hydrocarbon removal from polluted soils. However, the effectiveness of this treatment is often limited by the low availability of targeted contaminants. Biosurfactants produced by some microorganisms can increase organic compound solubility and might then overcome this limitation. Two different inocula producers of biosurfactants (Burkholderia thailandensis E264 and SHEMS1 microbial consortium isolated from a hydrocarbon-contaminated soil) were incubated in Bushnell-Haas medium supplemented with hydrocarbons to investigate their biodegradation potential. Experimental results showed their ability to degrade 9.1 and 6.1% of hydrocarbons respectively after 65 days of incubation with an initial total hydrocarbon concentration of 16 g L-1. The biodegradation was more effective for the light and medium fractions (C10 to C36). B. thailandensis and SHEMS1 consortium produced surfactants after 14 days of culture during the stationary phase with hydrocarbons as the sole carbon and energy source. However, biosurfactant production did not appear to directly increase hydrocarbon degradation efficiency. The complexity and recalcitrance of hydrocarbon mixture used in this study appeared to continue to limit its biodegradation even in the presence of biosurfactants. In conclusion, B. thailandensis and SHEMS1 consortium can degrade recalcitrant hydrocarbon compounds and are therefore good candidates for the bioremediation of environments polluted by total hydrocarbons.
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Affiliation(s)
| | | | - Marion Devers-Lamrani
- Agroécologie, AgroSup Dijon, CNRS, INRAE, Université de Bourgogne Franche-Comté, Dijon, France
| | | | | | - Sonia Henry
- Université de Lorraine, INRAE, LSE, 54000, Nancy, France
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Aqif M, Shah MUH, Khan R, Umar M, SajjadHaider, Razak SIA, Wahit MU, Khan SUD, Sivapragasam M, Ullah S, Nawaz R. Glycolipids biosurfactants production using low-cost substrates for environmental remediation: progress, challenges, and future prospects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:47475-47504. [PMID: 39017873 DOI: 10.1007/s11356-024-34248-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 07/02/2024] [Indexed: 07/18/2024]
Abstract
The production of renewable materials from alternative sources is becoming increasingly important to reduce the detrimental environmental effects of their non-renewable counterparts and natural resources, while making them more economical and sustainable. Chemical surfactants, which are highly toxic and non-biodegradable, are used in a wide range of industrial and environmental applications harming humans, animals, plants, and other entities. Chemical surfactants can be substituted with biosurfactants (BS), which are produced by microorganisms like bacteria, fungi, and yeast. They have excellent emulsifying, foaming, and dispersing properties, as well as excellent biodegradability, lower toxicity, and the ability to remain stable under severe conditions, making them useful for a variety of industrial and environmental applications. Despite these advantages, BS derived from conventional resources and precursors (such as edible oils and carbohydrates) are expensive, limiting large-scale production of BS. In addition, the use of unconventional substrates such as agro-industrial wastes lowers the BS productivity and drives up production costs. However, overcoming the barriers to commercial-scale production is critical to the widespread adoption of these products. Overcoming these challenges would not only promote the use of environmentally friendly surfactants but also contribute to sustainable waste management and reduce dependence on non-renewable resources. This study explores the efficient use of wastes and other low-cost substrates to produce glycolipids BS, identifies efficient substrates for commercial production, and recommends strategies to improve productivity and use BS in environmental remediation.
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Affiliation(s)
- Muhammad Aqif
- Faculty of Materials and Chemical Engineering, Department of Chemical Engineering, Ghulam Ishaq Khan Institute, Topi, Swabi, Khyber Pakhtunkhwa, 23460, Pakistan
- Chemical Engineering Department, College of Engineering, King Saud University, P.O. Box 800, 11421, Riyadh, Saudi Arabia
| | - Mansoor Ul Hassan Shah
- Department of Chemical Engineering, Faculty of Mechanical, Chemical and Industrial Engineering, University of Engineering and Technology, Peshawar, 25120, Pakistan
| | - Rawaiz Khan
- College of Dentistry, Engineer Abdullah Bugshan Research Chair for Dental and Oral Rehabilitation, King Saud University, 11545, Riyadh, Saudi Arabia.
| | - Muhammad Umar
- Faculty of Materials and Chemical Engineering, Department of Chemical Engineering, Ghulam Ishaq Khan Institute, Topi, Swabi, Khyber Pakhtunkhwa, 23460, Pakistan
| | - SajjadHaider
- Chemical Engineering Department, College of Engineering, King Saud University, P.O. Box 800, 11421, Riyadh, Saudi Arabia
| | - Saiful Izwan Abd Razak
- BioInspired Device and Tissue Engineering Research Group, School of Biomedical Engineering and Health Sciences, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Johor, Malaysia
- Sports Innovation & Technology Centre, Institute of Human Centred Engineering, Universiti Teknologi Malaysia, 81300, Skudai, Johor, Malaysia
| | - Mat Uzir Wahit
- Faculty of Chemical and Energy Engineering, UniversitiTeknologi Malaysia (UTM), 81310, Skudai, Johor Bahru, Johor, Malaysia
- Centre for Advanced Composite Materials (CACM), Universiti Teknologi Malaysia (UTM), 81310, Skudai, Johor, Malaysia
| | - Salah Ud-Din Khan
- College of Engineering, Sustainable Energy Center Technologies, King Saud University, P.O. Box 800, 11421, Riyadh, Saudi Arabia
| | - Magaret Sivapragasam
- Faculty of Integrated Life Sciences, School of Integrated Sciences (SIS), School of Postgraduate Studies, Research and Internationalization, Quest International University, 30250, Ipoh, Perak, Malaysia
| | - Shafi Ullah
- Institute of Soil and Environmental Sciences, PirMehr Ali Shah Arid Agriculture University Shamsabad, Murree Rd, Rawalpindi, 46300, Pakistan
| | - Rab Nawaz
- Institute of Soil and Environmental Sciences, PirMehr Ali Shah Arid Agriculture University Shamsabad, Murree Rd, Rawalpindi, 46300, Pakistan
- Department of Earth Sciences and Environment, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), 43600, Bangi, Selangor, Malaysia
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5
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Navarro-Abarca Ú, Ayala-Gonzales M, Jorge-Montalvo P, Visitación-Figueroa L. Sand washing of oil spill-affected beaches using concentrated β-glucans obtained from residual baker's yeast. Heliyon 2024; 10:e33285. [PMID: 39022014 PMCID: PMC11253044 DOI: 10.1016/j.heliyon.2024.e33285] [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: 03/05/2024] [Revised: 06/13/2024] [Accepted: 06/18/2024] [Indexed: 07/20/2024] Open
Abstract
Valorization of residual yeast of the bakery industry for use in the remediation of oil-contaminated soils as an emulsifier is a biocompatible and effective process that will reduce environmental pollution. The aim of this study was to use concentrated β-glucan obtained from residual baker's yeast, Saccharomyces cerevisiae, as an emulsifier to remove total petroleum hydrocarbons (TPH) from the contaminated sands of two beaches affected by the oil spill that occurred in January 2022 north of Lima, Peru. The extraction and concentration of β-glucan from sand were performed at a pilot scale using autolysis with 3 % sodium chloride, temperature elevation, treatment with organic solvents and water, hydrolysis via proteases, and vacuum filtration. The chemical composition and functional properties of concentrated β-glucan were evaluated to determine its quality and efficacy. In addition, the values of TPH removal efficiency obtained using concentrated β-glucan, water, and the commercial emulsifier Tween-80 were compared. The mass recovery of concentrated β-glucan was 5.59 %, with a β-glucan content of 38.60 %. The efficiency of ex-situ removal of TPH from hydrocarbon-impacted sands containing 78323 mg/kg of TPH reached 50 % and 70 % when the concentrated β-glucan concentrations used were 70.3 % and 80.3 %, respectively. These efficiency values are higher than those obtained when water was used for TPH removal but lower than those obtained when Tween-80 was used for TPH removal.
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Affiliation(s)
- Úrsula Navarro-Abarca
- Center for Research in Chemistry, Toxicology and Environmental Biotechnology, Department of Chemistry, Faculty of Science, Universidad Nacional Agraria La Molina, 15024, Lima, Peru
| | - Mara Ayala-Gonzales
- Center for Research in Chemistry, Toxicology and Environmental Biotechnology, Department of Chemistry, Faculty of Science, Universidad Nacional Agraria La Molina, 15024, Lima, Peru
| | - Paola Jorge-Montalvo
- Center for Research in Chemistry, Toxicology and Environmental Biotechnology, Department of Chemistry, Faculty of Science, Universidad Nacional Agraria La Molina, 15024, Lima, Peru
| | - Lizardo Visitación-Figueroa
- Center for Research in Chemistry, Toxicology and Environmental Biotechnology, Department of Chemistry, Faculty of Science, Universidad Nacional Agraria La Molina, 15024, Lima, Peru
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Hamlish NX, Abramyan AM, Shah B, Zhang Z, Schepartz A. Incorporation of Multiple β 2-Hydroxy Acids into a Protein In Vivo Using an Orthogonal Aminoacyl-tRNA Synthetase. ACS CENTRAL SCIENCE 2024; 10:1044-1053. [PMID: 38799653 PMCID: PMC11117724 DOI: 10.1021/acscentsci.3c01366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 02/22/2024] [Accepted: 04/03/2024] [Indexed: 05/29/2024]
Abstract
The programmed synthesis of sequence-defined biomaterials whose monomer backbones diverge from those of canonical α-amino acids represents the next frontier in protein and biomaterial evolution. Such next-generation molecules provide otherwise nonexistent opportunities to develop improved biologic therapies, bioremediation tools, and biodegradable plastic-like materials. One monomer family of particular interest for biomaterials includes β-hydroxy acids. Many natural products contain isolated β-hydroxy acid monomers, and polymers of β-hydroxy acids (β-esters) are found in polyhydroxyalkanoate (PHA) polyesters under development as bioplastics and drug encapsulation/delivery systems. Here we report that β2-hydroxy acids possessing both (R) and (S) absolute configuration are substrates for pyrrolysyl-tRNA synthetase (PylRS) enzymes in vitro and that (S)-β2-hydroxy acids are substrates in cellulo. Using the orthogonal MaPylRS/MatRNAPyl synthetase/tRNA pair, in conjunction with wild-type E. coli ribosomes and EF-Tu, we report the cellular synthesis of model proteins containing two (S)-β2-hydroxy acid residues at internal positions. Metadynamics simulations provide a rationale for the observed preference for the (S)-β2-hydroxy acid and provide mechanistic insights that inform future engineering efforts. As far as we know, this finding represents the first example of an orthogonal synthetase that acylates tRNA with a β2-hydroxy acid substrate and the first example of a protein hetero-oligomer containing multiple expanded-backbone monomers produced in cellulo.
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Affiliation(s)
- Noah X. Hamlish
- Department
of Molecular and Cellular Biology, University
of California, Berkeley, California 94720, United States
| | - Ara M. Abramyan
- Schrödinger,
Inc., San Diego, California 92121, United States
| | - Bhavana Shah
- Process
Development, Attribute Sciences, Amgen Inc., Thousand Oaks, California 91320, United
States
| | - Zhongqi Zhang
- Process
Development, Attribute Sciences, Amgen Inc., Thousand Oaks, California 91320, United
States
| | - Alanna Schepartz
- Department
of Molecular and Cellular Biology, University
of California, Berkeley, California 94720, United States
- Department
of Chemistry, University of California, Berkeley, Calfornia 94720, United States
- California
Institute for Quantitative Biosciences, University of California, Berkeley, California 94720, United States
- Chan Zuckerberg
Biohub, San Francisco, California 94158, United States
- ARC
Institute, Palo Alto, California 94304, United States
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Petra de Oliveira Barros V, Macedo Silva JR, Maciel Melo VM, Terceiro PS, Nunes de Oliveira I, Duarte de Freitas J, Francisco da Silva Moura O, Xavier de Araújo-Júnior J, Erlanny da Silva Rodrigues E, Maraschin M, Thompson FL, Landell MF. Biosurfactants production by marine yeasts isolated from zoanthids and characterization of an emulsifier produced by Yarrowia lipolytica LMS 24B. CHEMOSPHERE 2024; 355:141807. [PMID: 38552803 DOI: 10.1016/j.chemosphere.2024.141807] [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: 09/22/2023] [Revised: 02/07/2024] [Accepted: 03/24/2024] [Indexed: 04/01/2024]
Abstract
The present study investigates the potential for biosurfactant production of 19 marine yeast species obtained from zoanthids. Using the emulsification index test to screen the samples produced by the marine yeasts, we verified that five isolates exhibited an emulsification index ≥50%. Additional tests were performed on such isolates, including oil displacement, drop collapse, Parafilm M assay, and surface tension measurement. The tolerance of produced biosurfactants for environmental conditions was also analyzed, especially considering the media's temperature, pH, and salinity. Moreover, the surfactant's ability to emulsify different hydrocarbon sources and to metabolize kerosene as the sole carbon source was evaluated in vitro. Our results demonstrate that yeast biosurfactants can emulsify hydrocarbon sources under different physicochemical conditions and metabolize kerosene as a carbon source. Considering the Yarrowia lipolytica LMS 24B as the yeast model for biosurfactant production from the cell's wall biomass, emulsification indexes of 61.2% were obtained, even at a high temperature of 120 °C. Furthermore, the Fourier-transform middle infrared spectroscopy (FTIR) analysis of the biosurfactant's chemical composition revealed the presence of distinct functional groups assigned to a glycoprotein complex. Considering the status of developing new bioproducts and bioprocesses nowadays, our findings bring a new perspective to biosurfactant production by marine yeasts, especially Y. lipolytica LMS 24B. In particular, the presented results validate the relevance of marine environments as valuable sources of genetic resources, i.e., yeast strains capable of metabolizing and emulsifying petroleum derivatives.
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Affiliation(s)
- Vitória Petra de Oliveira Barros
- Graduate Program in Genetics. Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil; Institute of Biological and Health Sciences, Federal University of Alagoas, Maceió, AL, Brazil
| | | | - Vânia Maria Maciel Melo
- Department of Biology, Microbial Ecology and Biotechnology Laboratory (Lembiotech), Fortaleza, CE, Brazil
| | | | | | | | | | | | | | - Marcelo Maraschin
- Plant Morphogenesis and Biochemistry Laboratory, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | | | - Melissa Fontes Landell
- Institute of Biological and Health Sciences, Federal University of Alagoas, Maceió, AL, Brazil.
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Nasser M, Sharma M, Kaur G. Advances in the production of biosurfactants as green ingredients in home and personal care products. Front Chem 2024; 12:1382547. [PMID: 38595700 PMCID: PMC11002128 DOI: 10.3389/fchem.2024.1382547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 03/11/2024] [Indexed: 04/11/2024] Open
Abstract
Home and personal care industry is currently witnessing a growing demand for sustainable and eco-friendly alternatives to synthetic surfactants. This increase is fueled by concerns over the delayed degradation and environmental impact of the latter. To this, biosurfactants possess important properties such as biodegradability, low toxicity, and renewable sourcing. These qualities position them as compelling replacements of traditional synthetic surfactants. Their diverse attributes including emulsification, antimicrobial efficacy, surface tension reduction, and foaming capability, make them well-suited choices for home and personal care products. Biosurfactants can be produced through several inexpensive and renewable sources which contributes to their commercialization potential. This article discusses various microbial derived biosurfactants including rhamnolipids, sophorolipids, mannosyl-erythritol lipids, trehalolipids and lipopeptides, unraveling and comparing their distinctive roles and advantages in the home and personal care industry. It also focuses on the recent patent innovations in the production of biosurfactants which have aimed at improving their economic viability and performance attributes. Finally, the article sheds light on the challenges and future trajectories for better integration of these sustainable biosurfactants into mainstream consumer products.
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Affiliation(s)
| | | | - Guneet Kaur
- School of Engineering, University of Guelph, Guelph, ON, Canada
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9
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Sreelakshmi KP, Madhuri M, Swetha R, Rangarajan V, Roy U. Microbial lipopeptides: their pharmaceutical and biotechnological potential, applications, and way forward. World J Microbiol Biotechnol 2024; 40:135. [PMID: 38489053 DOI: 10.1007/s11274-024-03908-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 01/24/2024] [Indexed: 03/17/2024]
Abstract
As lead molecules, cyclic lipopeptides with antibacterial, antifungal, and antiviral properties have garnered a lot of attention in recent years. Because of their potential, cyclic lipopeptides have earned recognition as a significant class of antimicrobial compounds with applications in pharmacology and biotechnology. These lipopeptides, often with biosurfactant properties, are amphiphilic, consisting of a hydrophilic moiety, like a carboxyl group, peptide backbone, or carbohydrates, and a hydrophobic moiety, mostly a fatty acid. Besides, several lipopeptides also have cationic groups that play an important role in biological activities. Antimicrobial lipopeptides can be considered as possible substitutes for antibiotics that are conventional to address the current drug-resistant issues as pharmaceutical industries modify the parent antibiotic molecules to render them more effective against antibiotic-resistant bacteria and fungi, leading to the development of more resistant microbial strains. Bacillus species produce lipopeptides, which are secondary metabolites that are amphiphilic and are typically synthesized by non-ribosomal peptide synthetases (NRPSs). They have been identified as potential biocontrol agents as they exhibit a broad spectrum of antimicrobial activity. A further benefit of lipopeptides is that they can be produced and purified biotechnologically or biochemically in a sustainable manner using readily available, affordable, renewable sources without harming the environment. In this review, we discuss the biochemical and functional characterization of antifungal lipopeptides, as well as their various modes of action, method of production and purification (in brief), and potential applications as novel antibiotic agents.
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Affiliation(s)
- K P Sreelakshmi
- Department of Biological Sciences, Birla Institute of Technology and Science-KK Birla Goa Campus Goa, NH 17 B Bypass Rd., Goa, 403726, India
| | - M Madhuri
- Department of Biological Sciences, Birla Institute of Technology and Science-KK Birla Goa Campus Goa, NH 17 B Bypass Rd., Goa, 403726, India
| | - R Swetha
- Department of Biological Sciences, Birla Institute of Technology and Science-KK Birla Goa Campus Goa, NH 17 B Bypass Rd., Goa, 403726, India
| | - Vivek Rangarajan
- Department of Chemical Engineering, Birla Institute of Technology and Science-KK Birla Goa Campus Goa, NH 17 B Bypass Rd., Goa, 403726, India
| | - Utpal Roy
- Department of Biological Sciences, Birla Institute of Technology and Science-KK Birla Goa Campus Goa, NH 17 B Bypass Rd., Goa, 403726, India.
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10
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Castor RB, do Nascimento MH, Gorlach-Lira K. Exploring fungal bioemulsifiers: insights into chemical composition, microbial sources, and cross-field applications. World J Microbiol Biotechnol 2024; 40:127. [PMID: 38451356 DOI: 10.1007/s11274-024-03883-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 01/01/2024] [Indexed: 03/08/2024]
Abstract
The demand for emulsion-based products is crucial for economic development and societal well-being, spanning diverse industries such as food, cosmetics, pharmaceuticals, and oil extraction. Formulating these products relies on emulsifiers, a distinct class of surfactants. However, many conventional emulsifiers are derived from petrochemicals or synthetic sources, posing potential environmental and human health risks. In this context, fungal bioemulsifiers emerge as a compelling and sustainable alternative, demonstrating superior performance, enhanced biodegradability, and safety for human consumption. From this perspective, the present work provides the first comprehensive review of fungal bioemulsifiers, categorizing them based on their chemical nature and microbial origin. This includes polysaccharides, proteins, glycoproteins, polymeric glycolipids, and carbohydrate-lipid-protein complexes. Examples of particular interest are scleroglucan, a polysaccharide produced by Sclerotium rolfsii, and mannoproteins present in the cell walls of various yeasts, including Saccharomyces cerevisiae. Furthermore, this study examines the feasibility of incorporating fungal bioemulsifiers in the food and oil industries and their potential role in bioremediation events for oil-polluted marine environments. Finally, this exploration encourages further research on fungal bioemulsifier bioprospecting, with far-reaching implications for advancing sustainable and eco-friendly practices across various industrial sectors.
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Affiliation(s)
- Rádamis Barbosa Castor
- Molecular Biology Department, Center of Exact and Natural Sciences, Federal University of Paraíba, João Pessoa, Paraíba, Brazil
| | - Maria Helena do Nascimento
- Molecular Biology Department, Center of Exact and Natural Sciences, Federal University of Paraíba, João Pessoa, Paraíba, Brazil
| | - Krystyna Gorlach-Lira
- Molecular Biology Department, Center of Exact and Natural Sciences, Federal University of Paraíba, João Pessoa, Paraíba, Brazil.
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11
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Piccolo A, Drosos M, Nuzzo A, Cozzolino V, Scopa A. Enhanced washing of polycyclic aromatic hydrocarbons from contaminated soils by the empowered surfactant properties of de novo O-alkylated humic matter. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:16995-17004. [PMID: 38329672 PMCID: PMC10894171 DOI: 10.1007/s11356-024-32292-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 01/28/2024] [Indexed: 02/09/2024]
Abstract
Aqueous solutions of humic acid (HA) derivatized by a catalyzed O-alkylation reaction with methyl, pentyl, and benzyl groups at 40, 60, and 80% of total HA acidity were used to wash off polycyclic aromatic hydrocarbons (PAHs) from two contaminated soils. The enhanced surfactant properties enabled the alkylated HA to remove phenanthrene, anthracene, fluoranthene, and pyrene from both soils more extensively than the original unmodified HA, the 60% benzylation generally showing the greatest soil washing efficiency. For both soils, all alkylated HA revealed greater PAH removals than Triton X-100 nonionic surfactant, while the benzylated and methylated HA nearly and fully matched pollutants release by the anionic SDS in the coarse- and fine-textured soils, respectively. A consecutive second washing with 60% benzylated HA removed additional PAHs, in respect to the first washing, from the coarser-textured soil, except for fluoranthene, while removal from the finer-textured soil incremented even more for all PAHs. These findings indicate that the enhanced hydrophobicity obtained by a simple and unexpensive chemical derivatization of a natural humic surfactant can be usefully exploited in the washing of polluted soils, without being toxic to the soil biota and by potentially promoting the subsequent bio-attenuation of organic pollutants.
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Affiliation(s)
- Alessandro Piccolo
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, 80055, Portici, Italy.
| | - Marios Drosos
- School of Agricultural, Forestal, Food and Environmental Sciences (SAFE), University of Basilicata, Viale Dell'Ateneo Lucano 10, 85100, Potenza, Italy
| | - Assunta Nuzzo
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, 80055, Portici, Italy
| | - Vincenza Cozzolino
- Department of Agricultural Sciences, University of Naples Federico II, Via Università 100, 80055, Portici, Italy
| | - Antonio Scopa
- School of Agricultural, Forestal, Food and Environmental Sciences (SAFE), University of Basilicata, Viale Dell'Ateneo Lucano 10, 85100, Potenza, Italy
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12
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Santos BLP, Vieira IMM, Ruzene DS, Silva DP. Unlocking the potential of biosurfactants: Production, applications, market challenges, and opportunities for agro-industrial waste valorization. ENVIRONMENTAL RESEARCH 2024; 244:117879. [PMID: 38086503 DOI: 10.1016/j.envres.2023.117879] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 12/01/2023] [Accepted: 12/04/2023] [Indexed: 12/19/2023]
Abstract
Biosurfactants are eco-friendly compounds with unique properties and promising potential as sustainable alternatives to chemical surfactants. The current review explores the multifaceted nature of biosurfactant production and applications, highlighting key fermentative parameters and microorganisms able to convert carbon-containing sources into biosurfactants. A spotlight is given on biosurfactants' obstacles in the global market, focusing on production costs and the challenges of large-scale synthesis. Innovative approaches to valorizing agro-industrial waste were discussed, documenting the utilization of lignocellulosic waste, food waste, oily waste, and agro-industrial wastewater in the segment. This strategy strongly contributes to large-scale, cost-effective, and environmentally friendly biosurfactant production, while the recent advances in waste valorization pave the way for a sustainable society.
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Affiliation(s)
| | | | - Denise Santos Ruzene
- Northeastern Biotechnology Network, Federal University of Sergipe, 49100-000, São Cristóvão, SE, Brazil; Center for Exact Sciences and Technology, Federal University of Sergipe, 49100-000, São Cristóvão, SE, Brazil; Graduate Program in Biotechnology, Federal University of Sergipe, 49100-000, São Cristóvão, SE, Brazil
| | - Daniel Pereira Silva
- Northeastern Biotechnology Network, Federal University of Sergipe, 49100-000, São Cristóvão, SE, Brazil; Center for Exact Sciences and Technology, Federal University of Sergipe, 49100-000, São Cristóvão, SE, Brazil; Graduate Program in Biotechnology, Federal University of Sergipe, 49100-000, São Cristóvão, SE, Brazil; Graduate Program in Intellectual Property Science, Federal University of Sergipe, 49100-000, São Cristóvão, SE, Brazil.
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13
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Parus A, Ciesielski T, Woźniak-Karczewska M, Ławniczak Ł, Janeda M, Ślachciński M, Radzikowska-Kujawska D, Owsianiak M, Marecik R, Loibner AP, Heipieper HJ, Chrzanowski Ł. Critical evaluation of the performance of rhamnolipids as surfactants for (phyto)extraction of Cd, Cu, Fe, Pb and Zn from copper smelter-affected soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168382. [PMID: 37963537 DOI: 10.1016/j.scitotenv.2023.168382] [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: 07/31/2023] [Revised: 11/03/2023] [Accepted: 11/04/2023] [Indexed: 11/16/2023]
Abstract
Rhamnolipids are biosurfactants produced by bacteria belonging to the Pseudomonas genus. They are discussed to complex heavy metal cations stronger than cations of Fe, Ca, Mg. It is therefore suggested to employ rhamnolipids in phytoextraction where their addition to soil should result in preferential complexation of heavy metals that can be taken up by plants, thus enabling rapid and ecological clean-up of contaminated soil. In order to test this concept, we evaluated the rhamnolipid-mediated phytoextraction of heavy metal from soil collected from the vicinity of a copper smelter. The following aspects were investigated: i) selectivity of rhamnolipids towards Cu, Zn, Pb, Cd and Fe during soil washing; ii) phytoextraction efficiency of each ion with respect to the effective concentration of rhamnolipids; iii) possible phytotoxic effects; iv) effect of micro-sized polystyrene amendment. The experiments evaluated soil washing efficiency, BCR (Community Bureau of Reference) sequential extraction to determine the impact of rhamnolipids on the mobility of metal ions, phytoextraction with maize (Zea mays L.) and phytotoxic effects based on dry matter, chlorophyll fluorescence and content. The obtained results indicated that rhamnolipids lack desired selectivity towards heavy metal ions as Fe was complexed more efficiently by 80 % of the available rhamnolipids compared to priority pollutants like Zn, Cu, Pb, which were complexed by only 20 % of the tested rhamnolipids. With increased concentration of rhamnolipids, the soil washing efficiency increased and shifted in favour of Fe, reaching values of approx. 469 mg for Fe and only 118 mg in total of all tested heavy metals. Phytoextraction also favoured the accumulation of Fe, while Cd was not removed from the soil even at the highest applied rhamnolipid concentrations. Considering the selectivity of rhamnolipids and the costs associated with their production, our results suggest the need to search for other alternative (bio)surfactants with better selectivity and lower price.
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Affiliation(s)
- Anna Parus
- Poznan University of Technology, Institute of Chemical Technology and Engineering, Berdychowo 4, 60 - 965 Poznan, Poland.
| | - Tomasz Ciesielski
- Poznan University of Technology, Institute of Chemical Technology and Engineering, Berdychowo 4, 60 - 965 Poznan, Poland
| | - Marta Woźniak-Karczewska
- Poznan University of Technology, Institute of Chemical Technology and Engineering, Berdychowo 4, 60 - 965 Poznan, Poland
| | - Łukasz Ławniczak
- Poznan University of Technology, Institute of Chemical Technology and Engineering, Berdychowo 4, 60 - 965 Poznan, Poland
| | - Michał Janeda
- Poznan University of Technology, Institute of Chemistry and Technical Electrochemistry, Berdychowo 4, 60 - 965 Poznan, Poland
| | - Mariusz Ślachciński
- Poznan University of Technology, Institute of Chemistry and Technical Electrochemistry, Berdychowo 4, 60 - 965 Poznan, Poland
| | - Dominika Radzikowska-Kujawska
- Poznan University of Life Sciences, Agronomy Department, Faculty of Agronomy and Bioengineering, Wojska Polskiego 48, 60-627 Poznan, Poland
| | - Mikołaj Owsianiak
- Quantitative Sustainability Assessment Division, Department of Environmental and Resources Engineering, Technical University of Denmark, Produktionstorvet 424, 2800 Kgs. Lyngby, Denmark
| | - Roman Marecik
- Poznan University of Life Sciences, Department of Biotechnology and Food Microbiology, Wojska Polskiego 48, 60-627 Poznan, Poland
| | - Andreas P Loibner
- Department IFA-Tulln, Institute of Environmental Biotechnology, BOKU - University of Natural Resources and Life Sciences, Vienna, Konrad-Lorenz-Straße 20, 3430 Tulln, Austria
| | - Hermann J Heipieper
- Department of Environmental Biotechnology, Helmholtz Centre for Environmental Research - UFZ, Permoserstraße 15, 04318 Leipzig, Germany
| | - Łukasz Chrzanowski
- Poznan University of Technology, Institute of Chemical Technology and Engineering, Berdychowo 4, 60 - 965 Poznan, Poland; Department IFA-Tulln, Institute of Environmental Biotechnology, BOKU - University of Natural Resources and Life Sciences, Vienna, Konrad-Lorenz-Straße 20, 3430 Tulln, Austria
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14
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Wang J, Lai Y, Wang X, Ji H. Advances in ultrasonic treatment of oily sludge: mechanisms, industrial applications, and integration with combined treatment technologies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:14466-14483. [PMID: 38296931 DOI: 10.1007/s11356-024-32089-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 01/16/2024] [Indexed: 02/02/2024]
Abstract
In the petroleum sector, the generation of oily sludge is an unavoidable byproduct, necessitating the development of efficient treatment strategies for both economic gain and the mitigation of negative environmental impacts. The intricate composition of oily sludge poses a formidable challenge, as existing treatment methodologies frequently fall short of achieving baseline disposal criteria. The processes of demulsification and dehydration are integral to diminishing the oil content and reclaiming valuable crude oil, thereby playing a critical role in the management of oily sludge. Among the myriad of treatment solutions, ultrasonic technology has emerged as a particularly effective physical method, celebrated for its diverse applications and lack of resultant secondary pollution. This comprehensive review delves into the underlying mechanisms and recent progress in the ultrasonic treatment of oily sludge, with a specific focus on its industrial implementations within China. Both isolated ultrasonic treatment and its combination with other technological approaches have proven successful in addressing oily sludge challenges. The adoption of industrial-scale systems that amalgamate ultrasound with multi-technological processes has shown marked enhancements in treatment efficacy. The fusion of ultrasonic technology with other cutting-edge methods holds considerable potential across a spectrum of applications. To fulfill the goals of resource recovery, reduction, and neutralization in oily sludge management, the industrial adoption and adept application of a variety of treatment technologies are imperative.
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Affiliation(s)
- Jian Wang
- University of Science and Technology Beijing, Beijing, China
| | - Yujian Lai
- University of Science and Technology Beijing, Beijing, China
| | - Xuemei Wang
- University of Science and Technology Beijing, Beijing, China
| | - Hongbing Ji
- University of Science and Technology Beijing, Beijing, China.
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15
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Li JY, Liu YF, Zhou L, Gang HZ, Liu JF, Sun GZ, Wang WD, Yang SZ, Mu BZ. Structural and compositional diversity of biosurfactants produced by a novel strain of Sporosarcina luteola ME44 from oil reservoir. JOURNAL OF ENVIRONMENTAL QUALITY 2024; 53:57-65. [PMID: 37830264 DOI: 10.1002/jeq2.20523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 09/17/2023] [Accepted: 09/30/2023] [Indexed: 10/14/2023]
Abstract
The urealytically active microorganism Sporosarcina luteola induces the precipitation of metals, which has attracted attention in biomineralization, bioremediation, and industrial waste recycling. Herein, we report a novel biosurfactant-producing strain of S. luteola ME44 isolated from Chinese Oilfield. The structure, composition, and surface activity of the biosurfactants produced by S. luteola ME44 were investigated by using a combination of the high-performance liquid chromatography, time-of-flight mass spectrometry, and surface tensiometer. The biosurfactant extracted by strain ME44 was identified as surfactin with five variants and the yield was 1010 ± 60 mg⋅L-1 . This is the first report on the structural composition and surface activity of biosurfactants isolated from the S. luteola. It extended our knowledge about the role of the species S. luteola in the ecosystem of extreme natural environments such as oil reservoir. In addition, S. luteola ME44 showed bioprecipitation properties for metal ions Cd(II), Cu(II), Zn(II), and Ag(I), which indicated the application potential of S. luteola in the field of bioremediation.
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Affiliation(s)
- Jia-Yi Li
- State Key Laboratory of Bioreactor Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
| | - Yi-Fan Liu
- State Key Laboratory of Bioreactor Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
- Engineering Research Center of MEOR, East China University of Science and Technology, Shanghai, China
| | - Lei Zhou
- State Key Laboratory of Bioreactor Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
- Engineering Research Center of MEOR, East China University of Science and Technology, Shanghai, China
| | - Hong-Ze Gang
- State Key Laboratory of Bioreactor Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
- Engineering Research Center of MEOR, East China University of Science and Technology, Shanghai, China
| | - Jin-Feng Liu
- State Key Laboratory of Bioreactor Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
- Daqing Huali Biotechnology Co., Ltd, Daqing, China
| | - Gang-Zheng Sun
- Research Institute of Petroleum Engineering and Technology, Shengli Oilfield Company, Sinopec, China
| | - Wei-Dong Wang
- Research Institute of Petroleum Engineering and Technology, Shengli Oilfield Company, Sinopec, China
| | - Shi-Zhong Yang
- State Key Laboratory of Bioreactor Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
- Engineering Research Center of MEOR, East China University of Science and Technology, Shanghai, China
| | - Bo-Zhong Mu
- State Key Laboratory of Bioreactor Engineering and School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
- Engineering Research Center of MEOR, East China University of Science and Technology, Shanghai, China
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16
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Antón-Herrero R, Chicca I, García-Delgado C, Crognale S, Lelli D, Gargarello RM, Herrero J, Fischer A, Thannberger L, Eymar E, Petruccioli M, D’Annibale A. Main Factors Determining the Scale-Up Effectiveness of Mycoremediation for the Decontamination of Aliphatic Hydrocarbons in Soil. J Fungi (Basel) 2023; 9:1205. [PMID: 38132804 PMCID: PMC10745009 DOI: 10.3390/jof9121205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/07/2023] [Accepted: 12/13/2023] [Indexed: 12/23/2023] Open
Abstract
Soil contamination constitutes a significant threat to the health of soil ecosystems in terms of complexity, toxicity, and recalcitrance. Among all contaminants, aliphatic petroleum hydrocarbons (APH) are of particular concern due to their abundance and persistence in the environment and the need of remediation technologies to ensure their removal in an environmentally, socially, and economically sustainable way. Soil remediation technologies presently available on the market to tackle soil contamination by petroleum hydrocarbons (PH) include landfilling, physical treatments (e.g., thermal desorption), chemical treatments (e.g., oxidation), and conventional bioremediation. The first two solutions are costly and energy-intensive approaches. Conversely, bioremediation of on-site excavated soil arranged in biopiles is a more sustainable procedure. Biopiles are engineered heaps able to stimulate microbial activity and enhance biodegradation, thus ensuring the removal of organic pollutants. This soil remediation technology is currently the most environmentally friendly solution available on the market, as it is less energy-intensive and has no detrimental impact on biological soil functions. However, its major limitation is its low removal efficiency, especially for long-chain hydrocarbons (LCH), compared to thermal desorption. Nevertheless, the use of fungi for remediation of environmental contaminants retains the benefits of bioremediation treatments, including low economic, social, and environmental costs, while attaining removal efficiencies similar to thermal desorption. Mycoremediation is a widely studied technology at lab scale, but there are few experiences at pilot scale. Several factors may reduce the overall efficiency of on-site mycoremediation biopiles (mycopiles), and the efficiency detected in the bench scale. These factors include the bioavailability of hydrocarbons, the selection of fungal species and bulking agents and their application rate, the interaction between the inoculated fungi and the indigenous microbiota, soil properties and nutrients, and other environmental factors (e.g., humidity, oxygen, and temperature). The identification of these factors at an early stage of biotreatability experiments would allow the application of this on-site technology to be refined and fine-tuned. This review brings together all mycoremediation work applied to aliphatic petroleum hydrocarbons (APH) and identifies the key factors in making mycoremediation effective. It also includes technological advances that reduce the effect of these factors, such as the structure of mycopiles, the application of surfactants, and the control of environmental factors.
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Affiliation(s)
- Rafael Antón-Herrero
- Department of Agricultural Chemistry and Food Science, Universidad Autónoma de Madrid, 28049 Madrid, Spain; (R.A.-H.); (E.E.)
| | | | - Carlos García-Delgado
- Department of Geology and Geochemistry, Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Silvia Crognale
- Department for Innovation in Biological, Agri-Food and Forestry Systems, University of Tuscia, 01100 Tuscia, Italy; (S.C.); (D.L.); (M.P.); (A.D.)
| | - Davide Lelli
- Department for Innovation in Biological, Agri-Food and Forestry Systems, University of Tuscia, 01100 Tuscia, Italy; (S.C.); (D.L.); (M.P.); (A.D.)
| | - Romina Mariel Gargarello
- Water, Air and Soil Unit, Eurecat, Centre Tecnològic de Catalunya, 08242 Manresa, Spain; (R.M.G.); (J.H.)
| | - Jofre Herrero
- Water, Air and Soil Unit, Eurecat, Centre Tecnològic de Catalunya, 08242 Manresa, Spain; (R.M.G.); (J.H.)
| | | | | | - Enrique Eymar
- Department of Agricultural Chemistry and Food Science, Universidad Autónoma de Madrid, 28049 Madrid, Spain; (R.A.-H.); (E.E.)
| | - Maurizio Petruccioli
- Department for Innovation in Biological, Agri-Food and Forestry Systems, University of Tuscia, 01100 Tuscia, Italy; (S.C.); (D.L.); (M.P.); (A.D.)
| | - Alessandro D’Annibale
- Department for Innovation in Biological, Agri-Food and Forestry Systems, University of Tuscia, 01100 Tuscia, Italy; (S.C.); (D.L.); (M.P.); (A.D.)
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17
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Lehmann A, Flaig M, Dueñas JF, Rillig MC. Surfactant-Mediated Effects on Hydrological and Physical Soil Properties: Data Synthesis. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:19849-19859. [PMID: 37978924 DOI: 10.1021/acs.est.3c05273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Soils are under the threat of a multitude of anthropogenic factors affecting the complex interplay of various physical and hydrological soil processes and properties. One such factor is the group of surface-active compounds. Surfactants have a broad range of applications and can reduce solid-liquid interfacial forces and increase wettability and dispersion of particles. Surfactant effects are context-dependent, giving rise to a wide range of reported effects on different soil processes and properties. Here, we evaluate the evidence base of surfactant research on 11 hydrological and physical soil variables. Our goal was to identify knowledge gaps and test the robustness of the proposed surfactant effects. We found that the current knowledge base is insufficient to reach strong data-backed conclusions about the effects of surfactants in soils. We identified a unique case of bias in the data as a result of conflated patterns from laboratory and field studies. We could not support the hypothesis that the surfactant charge determines soil effects for any of the tested soil variables. We believe that further experiments on surfactant-mediated effects on soil properties and processes are urgently required, paying attention, in particular, to improving experimental design and data reporting standards.
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Affiliation(s)
- Anika Lehmann
- Institute of Biology, Freie Universität Berlin, 14195 Berlin, Germany
- Berlin-Brandenburg Institute of Advanced Biodiversity Research, 14195 Berlin, Germany
| | - Maximilian Flaig
- Institute of Biology, Freie Universität Berlin, 14195 Berlin, Germany
| | - Juan F Dueñas
- Institute of Biology, Freie Universität Berlin, 14195 Berlin, Germany
- Berlin-Brandenburg Institute of Advanced Biodiversity Research, 14195 Berlin, Germany
| | - Matthias C Rillig
- Institute of Biology, Freie Universität Berlin, 14195 Berlin, Germany
- Berlin-Brandenburg Institute of Advanced Biodiversity Research, 14195 Berlin, Germany
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18
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Shao Q, Zhu Z, Zhou C. Alteration in Community Dynamics of Chaetoceros curvisetus and Bacterioplankton Communities in Response to Surfactin Exposure. Microorganisms 2023; 11:2596. [PMID: 37894254 PMCID: PMC10609649 DOI: 10.3390/microorganisms11102596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 09/29/2023] [Accepted: 10/03/2023] [Indexed: 10/29/2023] Open
Abstract
The use of surfactin is a promising method to mitigate algal blooms. However, little is known about surfactin toxicity to algae and bacterioplankton. Here, we treated Chaetoceros curvisetus, the dominant species of algal blooms in the East China Sea, with 0, 0.5, 1, 2, 3, and 4 mg/L of surfactin for 96 h to investigate temporal variability. Our results showed that low concentrations of surfactin (<2 mg/L) changed the cell morphology of C. curvisetus, and higher concentrations (>3 mg/L) had lethal effects. Meanwhile, we examined the community dynamics of the free-living (FL, 0.22-5 μm) and particle-attached (PA, >5 μm) bacterioplankton of C. curvisetus in response to different surfactin concentrations and cultivation periods. Both PA and FL bacterioplankton were mainly composed of Proteobacteria, Actinobacteria, and Bacteroidetes, while FL bacterioplankton were more diverse than PA bacterioplankton. The variations of FL and PA bacterioplankton were significantly constrained by the surfactin concentration. Surfactin changed the lifestyle of some bacterioplankton from FL to PA, which mainly belonged to abundant bacterioplankton. Furthermore, we identified some surfactin-sensitive species/taxa. Our study will help enhance the ability to predict marine microbial responses under the effect of surfactin, providing a research foundation for this new harmful algal bloom mitigation method.
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Affiliation(s)
- Qianwen Shao
- Ningbo Institute of Oceanography, Ningbo 315832, China;
- Key Laboratory of Marine Ecosystem Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
| | - Zhujun Zhu
- Ningbo Institute of Oceanography, Ningbo 315832, China;
| | - Chengxu Zhou
- College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315832, China;
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19
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Sun Q, Zhang Q, Li H, Ming C, Gao J, Li Y, Zhang Y. Regulatory effects of different anionic surfactants on the transformation of heavy metal fractions and reduction of heavy metal resistance genes in chicken manure compost. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 335:122297. [PMID: 37543071 DOI: 10.1016/j.envpol.2023.122297] [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: 04/17/2023] [Revised: 07/05/2023] [Accepted: 07/29/2023] [Indexed: 08/07/2023]
Abstract
Surfactants are widely used as a passivating agent in heavy metal passivation process, but their effect on transformation of heavy metal fraction and reduction of heavy metal resistance genes (MRGs) in composting process is still unknown. The aim of this study was to compare the effects of two anionic surfactants (rhamnolipid and sodium dodecyl sulfate) on heavy metal passivation and resistance gene reduction in chicken manure composting. The results showed that the addition of surfactant can effectively enhance degradation of organic matter (OM). Both surfactants could effectively reduce the bioavailability of heavy metals (HMs) and the relative abundance of resistance genes, especially rhamnolipids. The potential functional bacteria affecting heavy metal passivation were identified by the changes of microbial community. Redundancy analysis (RDA) showed that protease (PRT) activity was the key factor affecting the fractions of the second group of HMs including ZnF1, CuF1, CuF2, PbF1 and PbF3. These findings indicate that addition of anionic surfactants can reduce the bioavailability of HMs and the abundance of resistance genes in compost products, which is of guiding significance for the reduction of health risks in the harmless utilization of livestock and poultry manure.
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Affiliation(s)
- Qinghong Sun
- School of Resource and Environment, Northeast Agricultural University, Harbin 150030, China; College of Resources and Environment, South China Agricultural University, Guangzhou 510640, China
| | - Qiao Zhang
- College of Resources and Environment, South China Agricultural University, Guangzhou 510640, China
| | - Hanhao Li
- College of Resources and Environment, South China Agricultural University, Guangzhou 510640, China
| | - Chenshu Ming
- School of Resource and Environment, Northeast Agricultural University, Harbin 150030, China
| | - Jianpeng Gao
- College of Resources and Environment, South China Agricultural University, Guangzhou 510640, China
| | - Yongtao Li
- College of Resources and Environment, South China Agricultural University, Guangzhou 510640, China
| | - Ying Zhang
- School of Resource and Environment, Northeast Agricultural University, Harbin 150030, China.
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20
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Mohy Eldin A, Hossam N. Microbial surfactants: characteristics, production and broader application prospects in environment and industry. Prep Biochem Biotechnol 2023; 53:1013-1042. [PMID: 37651735 DOI: 10.1080/10826068.2023.2175364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Microbial surfactants are green molecules with high surface activities having the most promising advantages over chemical surfactants including their ability to efficiently reducing surface and interfacial tension, nontoxic emulsion-based formulations, biocompatibility, biodegradability, simplicity of preparation from low cost materials such as residual by-products and renewable resources at large scales, effectiveness and stabilization under extreme conditions and broad spectrum antagonism of pathogens to be part of the biocontrol strategy. Thus, biosurfactants are universal tools of great current interest. The present work describes the major types and microbial origin of surfactants and their production optimization from agro-industrial wastes in the batch shake-flasks and bioreactor systems through solid-state and submerged fermentation industries. Various downstream strategies that had been developed to extract and purify biosurfactants are discussed. Further, the physicochemical properties and functional characteristics of biosurfactants open new future prospects for the development of efficient and eco-friendly commercially successful biotechnological product compounds with diverse potential applications in environment, industry, biomedicine, nanotechnology and energy-saving technology as well.
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Affiliation(s)
- Ahmed Mohy Eldin
- Department of Microbiology, Soils, Water and Environmental Research Institute (SWERI), Agricultural Research Center (ARC), Giza, Egypt
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21
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Conde Molina D, Liporace F, Quevedo CV. Bioremediation of an industrial soil contaminated by hydrocarbons in microcosm system, involving bioprocesses utilizing co-products and agro-industrial wastes. World J Microbiol Biotechnol 2023; 39:323. [PMID: 37773232 DOI: 10.1007/s11274-023-03766-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Accepted: 09/15/2023] [Indexed: 10/01/2023]
Abstract
The present study describes practical implication of bioaugmentation and biostimulation processes for bioremediation of an industrial soil chronically contaminated by hydrocarbons. For this purpose, biomass production of six autochthonous hydrocarbon-degrading bacteria were evaluated as inoculum of bioaugmentation strategy, by testing carbon and nitrogen sources included co-products and agro-industrial waste as sustainable and low-cost components of the growth medium. Otherwise, biostimulation was approached by the addition of optimized concentration of nitrogen and phosphorus. Microcosm assays showed that total hydrocarbons (TH) were significantly removed from chronically contaminated soil undergoing bioremediation treatment. Systems Mix (bioaugmentation); N,P (biostimulation) and Mix + N,P (bioaugmentation and biostimulation) reached higher TH removal, being 89.85%, 91.00%, 93.04%, respectively, comparing to 77.83% of system C (natural attenuation) at 90 days. The increased heterotrophic aerobic bacteria and hydrocarbon degrading bacteria counts were according to TH biodegrading process during the experiments. Our results showed that biostimulation with nutrients represent a valuable alternative tool to treat a chronically hydrocarbon-contaminated industrial soil, while bioaugmentation with a consortium of hydrocarbon degrading bacteria would be justified when the soil has a low amount of endogenous degrading microorganisms. Furthermore, the production of inoculum for application in bioaugmentation using low-cost substrates, such as industrial waste, would lead to the development of an environmentally friendly and attractive process in terms of cost-benefit.
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Affiliation(s)
- Debora Conde Molina
- Grupo de Biotecnología y Nanotecnología Aplicada, Facultad Regional Delta, Universidad Tecnológica Nacional, San Martín 1171, Campana, 2804, Buenos Aires, Argentina.
| | - Franco Liporace
- Grupo de Biotecnología y Nanotecnología Aplicada, Facultad Regional Delta, Universidad Tecnológica Nacional, San Martín 1171, Campana, 2804, Buenos Aires, Argentina
| | - Carla V Quevedo
- Grupo de Biotecnología y Nanotecnología Aplicada, Facultad Regional Delta, Universidad Tecnológica Nacional, San Martín 1171, Campana, 2804, Buenos Aires, Argentina
- Consejo de Investigaciones Científicas y Técnicas (CONICET), CABA (C1425FQB), 2290, Godoy Cruz, Argentina
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22
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Ammar AB, Bouassida M, Bouallegue A, Fourati N, Gerardi G, Muñiz P, Benito JM, Ghribi D. Isolation and characterization of two glycolipopeptids biosurfactants produced by a Lactiplantibacillus plantarum OL5 strain isolated from green olive curing water. World J Microbiol Biotechnol 2023; 39:308. [PMID: 37715930 DOI: 10.1007/s11274-023-03744-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 08/28/2023] [Indexed: 09/18/2023]
Abstract
Microbial surfactants are natural amphiphilic compounds with high surface activities and emulsifying properties. Due to their structural diversity, low toxicity, biodegradability, and chemical stability in different conditions, these molecules are potential substitutes for chemical surfactants; their interest has grown significantly over the last decade. The current study focuses on the isolation, identification, and characterization of a lactic acid bacteria that produce two forms of biosurfactants. The OL5 strain was isolated from green olive fermentation and identified using MALDI/TOF and DNAr16S amplification. Emulsification activity and surface tension measurements were used to estimate biosurfactant production. The two biosurfactants derived from Lactiplantibacillus plantarum OL5 presented good emulsification powers in the presence of various oils. They were also shown to have the potential to reduce water surface tension from 69 mN/m to 34 mN/m and 37 mN/m within a critical micelle concentration (CMC) of 7 mg/ml and 1.8 mg/ml, respectively, for cell bound and extracellular biosurfactants. Thin layer chromatography (TLC) and FT-IR were used to analyze the composition of the two biosurfactants produced. the obtained data revealed that the two biomolecules consist of a mixture of carbohydrates, lipids and proteins. We demonstrated that they are two anionic biosurfactants with glycolipopeptide nature which are stable in extreme conditions of temperature, pH and salinity.
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Affiliation(s)
- Ameni Ben Ammar
- Laboratoire d'Amélioration des Plantes et de Valorisation des Agro-Ressources, Ecole Nationale d'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisie.
- Bioréacteur couplé à un ultra-filtra, Ecole Nationale D'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisie.
| | - Mouna Bouassida
- Laboratoire d'Amélioration des Plantes et de Valorisation des Agro-Ressources, Ecole Nationale d'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisie
| | - Amir Bouallegue
- Laboratoire d'Amélioration des Plantes et de Valorisation des Agro-Ressources, Ecole Nationale d'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisie
- Bioréacteur couplé à un ultra-filtra, Ecole Nationale D'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisie
| | - Nada Fourati
- Laboratoire d'Amélioration des Plantes et de Valorisation des Agro-Ressources, Ecole Nationale d'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisie
| | - Gisela Gerardi
- Department of Biotechnology and Food Science, Faculty of Sciences, University of Burgos, Plaza Misael Bañuelos, 09001, Burgos, Spain
| | - Pilar Muñiz
- Department of Biotechnology and Food Science, Faculty of Sciences, University of Burgos, Plaza Misael Bañuelos, 09001, Burgos, Spain
| | - Jose Manuel Benito
- Department of Biotechnology and Food Science, University of Burgos, Plaza Misael Bañuelos s/n, 09001, Burgos, Spain
| | - Dhouha Ghribi
- Laboratoire d'Amélioration des Plantes et de Valorisation des Agro-Ressources, Ecole Nationale d'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisie
- Bioréacteur couplé à un ultra-filtra, Ecole Nationale D'Ingénieurs de Sfax, Université de Sfax, Sfax, Tunisie
- Institut Supérieur de Biotechnologie de Sfax, Université de Sfax, Sfax, Tunisie
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23
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Vu KA, Mulligan CN. Remediation of oil-contaminated soil using Fe/Cu nanoparticles and biosurfactants. ENVIRONMENTAL TECHNOLOGY 2023; 44:3446-3458. [PMID: 35361056 DOI: 10.1080/09593330.2022.2061381] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 03/23/2022] [Indexed: 06/14/2023]
Abstract
Oil (or petroleum), consisting of a mixture of hydrocarbons, can leak from oil exploration, production, and use. Due to their complex mixture and interaction with the subsurface soil and water, they are hard to treat and can become a significant environmental concern. Rhamnolipid and sophorolipid biosurfactants, biologically produced surfactants, can be used to remove petroleum hydrocarbons. Nanoparticles have gained attention as promising materials for soil remediation. In this study, suspensions of Fe-Cu nanoparticles and biosurfactants were employed for the remediation of oil-contaminated soil. The results showed that these suspensions displayed a high oil removal rate from contaminated soil, which followed the first-order reaction. For batch experiments, the oil remediation efficiency was up to 84%. Optimum conditions to achieve the highest oil remediation performance included a rhamnolipid biosurfactant: nanoparticle ratio of 10:1 (wt%: wt%), pH 7, room temperature, and shaking speed of 60 rpm for 60 min. The remediation rate was improved by higher temperature and lower ionic strength. In the presence and absence of nanoparticles, rhamnolipid biosurfactant demonstrated a higher remediation efficiency than sophorolipid biosurfactant and ultraplex surfactant. The presence of other surfactants decreased the treatment productivity by 9-14% compared to using only rhamnolipid biosurfactant. Nanoparticles were reused with a remediation efficiency of 59% after three cycles by rhamnolipid biosurfactant. These results suggested that biosurfactants/Fe-Cu nanoparticle suspension showed promise for the remediation of oil-contaminated soil.
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Affiliation(s)
- Kien A Vu
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, Canada
| | - Catherine N Mulligan
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, Canada
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24
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Bochynek M, Lewińska A, Witwicki M, Dębczak A, Łukaszewicz M. Formation and structural features of micelles formed by surfactin homologues. Front Bioeng Biotechnol 2023; 11:1211319. [PMID: 37485321 PMCID: PMC10360134 DOI: 10.3389/fbioe.2023.1211319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Accepted: 06/22/2023] [Indexed: 07/25/2023] Open
Abstract
Surfactin, a group of cyclic lipopeptides produced by Bacillus subtilis, possesses surfactant properties and is a promising natural and biologically active compound. In this study, we present a comprehensive characterization of surfactin, including its production, chromatographic separation into pure homologues (C12, C13, C14, C15), and investigation of their physicochemical properties. We determined adsorption isotherms and interpreted them using the Gibbs adsorption equation, revealing that the C15 homologue exhibited the strongest surface tension reduction (27.5 mN/m), while surface activity decreased with decreasing carbon chain length (32.2 mN/m for C12). Critical micelle concentration (CMC) were also determined, showing a decrease in CMC values from 0.35 mM for C12 to 0.08 mM for C15. We employed dynamic light scattering (DLS), transmission electron microscopy (TEM), and density functional theory (DFT) calculations to estimate the size of micellar aggregates, which increased with longer carbon chains, ranging from 4.7 nm for C12 to 5.7 nm for C15. Furthermore, aggregation numbers were determined, revealing the number of molecules in a micelle. Contact angles and emulsification indexes (E24) were measured to assess the functional properties of the homologues, showing that wettability increased with chain length up to C14, which is intriguing as C14 is the most abundant homologue. Our findings highlight the relationship between the structure and properties of surfactin, providing valuable insights for understanding its biological significance and potential applications in various industries. Moreover, the methodology developed in this study can be readily applied to other cyclic lipopeptides, facilitating a better understanding of their structure-properties relationship.
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Affiliation(s)
- Michał Bochynek
- Department of Biotransformation, Faculty of Biotechnology, University of Wroclaw, Wroclaw, Poland
- InventionBio S.A., Bydgoszcz, Poland
| | - Agnieszka Lewińska
- Faculty of Chemistry, University of Wroclaw, Wroclaw, Poland
- OnlyBio S.A., Bydgoszcz, Poland
| | - Maciej Witwicki
- Faculty of Chemistry, University of Wroclaw, Wroclaw, Poland
| | - Agnieszka Dębczak
- Łukasiewicz Research Network—New Chemical Syntheses Institute, Puławy, Poland
| | - Marcin Łukaszewicz
- Department of Biotransformation, Faculty of Biotechnology, University of Wroclaw, Wroclaw, Poland
- InventionBio S.A., Bydgoszcz, Poland
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25
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Nayarisseri A, Singh SK. Genome analysis of biosurfactant producing bacterium, Bacillus tequilensis. PLoS One 2023; 18:e0285994. [PMID: 37267268 DOI: 10.1371/journal.pone.0285994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Accepted: 05/06/2023] [Indexed: 06/04/2023] Open
Abstract
Bioremediation is crucial for recuperating polluted water and soil. By expanding the surface area of substrates, biosurfactants play a vital role in bioremediation. Biosurfactant-producing microbes release certain biosurfactant compounds, which are promoted for oil spill remediation. In the present investigation, a biosurfactant-producing bacterium Bacillus tequilensis was isolated from Chilika Lake, Odisha, India (latitude and longitude: 19.8450 N 85.4788 E). Whole-Genome Sequencing (WGS) of Bacillus tequilensis was carried out using Illumina NextSeq 500. The size of the whole genome of Bacillus tequilensis was 4.47 MB consisting of 4,478,749 base pairs forming a circular chromosome with 528 scaffolds, 4492 protein-encoding genes (ORFs), 81 tRNA genes, and 114 ribosomal RNA transcription units. The total raw reads were 4209415, and the processed reads were 4058238 with 4492 genes. The whole genome obtained from the present investigation was used for genome annotation, variant calling, variant annotation, and comparative genome analysis with other existing Bacillus species. In this study, a pathway was constructed which describes the biosurfactant metabolism of Bacillus tequilensis. The study identified that genes such as SrfAD, SrfAC, SrfAA and SrfAB are involved in biosurfactant synthesis. The sequence of the genes SrfAD, SrfAC, SrfAA, SrfAB was deposited in GenBank database with accession MUG02427.1, MUG02428.1, MUG02429.1, MUG03515.1 respectively. The whole genome sequence was submitted to GenBank with an accession RMVO00000000 and the raw fastq reads were submitted to SRA, NCBI repository with an accession: SRX5023292.
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Affiliation(s)
- Anuraj Nayarisseri
- Computer Aided Drug Designing and Molecular Modeling Lab, Department of Bioinformatics, Alagappa University, Karaikudi, Tamil Nadu, India
- In silico Research Laboratory, Eminent Biosciences, Indore, Madhya Pradesh, India
- Bioinformatics Research Laboratory, LeGene Biosciences Pvt Ltd., Indore, Madhya Pradesh, India
| | - Sanjeev Kumar Singh
- Computer Aided Drug Designing and Molecular Modeling Lab, Department of Bioinformatics, Alagappa University, Karaikudi, Tamil Nadu, India
- Department of Data Sciences, Centre of Biomedical Research, Lucknow, India
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26
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Deng Y, Yang G, Lens PNL, He Y, Qie L, Shen X, Chen J, Cheng Z, Chen D. Enhanced removal of mixed VOCs with different hydrophobicities by Tween 20 in a biotrickling filter: Kinetic analysis and biofilm characteristics. JOURNAL OF HAZARDOUS MATERIALS 2023; 450:131063. [PMID: 36867905 DOI: 10.1016/j.jhazmat.2023.131063] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 02/10/2023] [Accepted: 02/20/2023] [Indexed: 06/18/2023]
Abstract
Mass transfer limitation usually causes the poor performance of biotrickling filters (BTFs) for the treatment of hydrophobic volatile organic compounds (VOCs) during long-term operation. In this study, two identical lab-scale BTFs were established to remove a mixture of n-hexane and dichloromethane (DCM) gases using non-ionic surfactant Tween 20 by Pseudomonas mendocina NX-1 and Methylobacterium rhodesianum H13. A low pressure drop (≤110 Pa) and a rapid biomass accumulation (17.1 mg g-1) were observed in the presence of Tween 20 during the startup period (30 d). The removal efficiency (RE) of n-hexane was enhanced by 15.0%- 20.5% while DCM was completely removed with the inlet concentration (IC) of 300 mg·m-3 at different empty bed residence times in the Tween 20 added BTF. The viable cells and the relative hydrophobicity of the biofilm were increased under the action of Tween 20, which facilitated the mass transfer and enhanced the metabolic utilization of pollutants by microbes. Besides, Tween 20 addition enhanced the biofilm formation processes including the increased extracellular polymeric substance (EPS) secretion, biofilm roughness and biofilm adhesion. The kinetic model simulated the removal performance of the BTF with Tween 20 for the mixed hydrophobic VOCs, and the goodness-of-fit was above 0.9.
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Affiliation(s)
- Ya Deng
- School of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316004, China; College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
| | - Guangfeng Yang
- School of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316004, China
| | - Piet N L Lens
- National University of Ireland, Galway H91TK33, Ireland
| | - Yaxue He
- School of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316004, China; Key Laboratory of Petrochemical Environmental Pollution Control of Zhejiang Province, Zhejiang Ocean University, Zhoushan 316022, China
| | - Lingxiang Qie
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
| | - Xingyu Shen
- School of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316004, China
| | - Jianmeng Chen
- School of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316004, China; Key Laboratory of Petrochemical Environmental Pollution Control of Zhejiang Province, Zhejiang Ocean University, Zhoushan 316022, China
| | - Zhuowei Cheng
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
| | - Dongzhi Chen
- School of Petrochemical Engineering and Environment, Zhejiang Ocean University, Zhoushan 316004, China; Key Laboratory of Petrochemical Environmental Pollution Control of Zhejiang Province, Zhejiang Ocean University, Zhoushan 316022, China.
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27
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Yang P, Geng C, Zhu S, Zhou Z, Bilal M, Gu C, Xu H, Ji L, Xiao B, Wang J, Qian Z, Zhao L, Zhao Y, Lu H. Identification and functional analysis of non-coding regulatory small RNA FenSr3 in Bacillus amyloliquefaciens LPB-18. PeerJ 2023; 11:e15236. [PMID: 37214100 PMCID: PMC10194069 DOI: 10.7717/peerj.15236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 03/28/2023] [Indexed: 05/24/2023] Open
Abstract
Bacillus amyloliquefaciens is an interesting microbe in the food processing and manufacturing industries. Non-coding small RNAs (sRNAs) have been shown to play a crucial role in the physiology and metabolism of bacteria by post-transcriptionally regulating gene expression. This study investigated the function of novel sRNA FenSr3 by constructing fenSr3 deficient strain and complementary strains in B. amyloliquefaciens LPB-18 , which were named LPN-18N and LPB-18P, respectively. The result showed significant differences in fengycin yield between strain LPB -18N and LPB-18P. The production of fengycin was significantly enhanced in B. amyloliquefaciens LPB-18N, compared with that of the strain LPB-18 from 190.908 mg/L to 327.598 mg/L. Moreover, the production of fengycin decreased from 190.464 mg/L to 38.6 mg/L in B . amyloliquefaciens LPB-18P. A comparative transcriptome sequencing was carried out to better understand the complex regulatory mechanism. Transcription analysis revealed that 1037 genes were differentially expressed between B. amyloliquefaciens LPB-18 and B. amyloliquefaciens LPB-18N, including the key regulatory genes in fatty acid, amino acid biosynthesis, and central carbon metabolism, which could provide sufficient quantities of building precursors for fengycin biosynthesis. The biofilm formation and sporulation was also enhanced in the strain LPB-18N, which indicates that FenSr3 could play a vital role in stress resistance and promotes survival in B. amyloliquefaciens. Some sRNAs involved in stress response have been identified in the literature, but their regulatory roles in fengycin production remain unclear. The study will contribute a novel perspective to the regulation mechanism of biosynthesis and the optimization of key metabolites of B. amyloliquefaciens.
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Affiliation(s)
- Panping Yang
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
| | - Chengxin Geng
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, Weigang, China
| | - Shaohui Zhu
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
| | - Zhen Zhou
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
| | - Chengyuan Gu
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
| | - Hai Xu
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
| | - Linchun Ji
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
| | - Benchang Xiao
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
| | - Jingye Wang
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
| | - Zhoujie Qian
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
| | - Li Zhao
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
| | - Yuping Zhao
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
| | - Hedong Lu
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaiyin Institute of Technology, Huaian, Jiangsu, China
- National Engineering Research Center for Functional Food, Jiangnan College, Wuxi, Jiangsu, China
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28
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Haryanto B, Tambun R, Siswarni MZ, Alexander V, Sinuhaji TRF. Remediation of contaminated sand by Cd ions with variation operation: Batch and flushing column with foam and without foam of SDS Surfactant. SOUTH AFRICAN JOURNAL OF CHEMICAL ENGINEERING 2023. [DOI: 10.1016/j.sajce.2023.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/19/2023] Open
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29
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Devale A, Sawant R, Pardesi K, Perveen K, Khanam MNI, Shouche Y, Mujumdar S. Production and characterization of bioemulsifier by Parapedobacter indicus. Front Microbiol 2023; 14:1111135. [PMID: 36876100 PMCID: PMC9978354 DOI: 10.3389/fmicb.2023.1111135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/09/2023] [Indexed: 02/18/2023] Open
Abstract
The current study evaluated Parapedobacter indicus MCC 2546 for its potential to produce a bioemulsifier (BE). Screening methods performed for BE production by P. indicus MCC 2546 showed good lipase activity, positive drop collapse test, and oil-spreading activity. Furthermore, it showed maximum emulsification activity (225 EU/ml) and emulsification index (E24 50%) at 37°C in Luria Bertani broth at 72 h with olive oil as a substrate. The optimal pH and NaCl concentration for maximum emulsification activity were 7 and 1%, respectively. P. indicus MCC 2546 lowered the surface tension of the culture medium from 59.65 to 50.42 ± 0.78 mN/m. BE produced was composed of 70% protein and 30% carbohydrate, which showed the protein-polysaccharide nature of the BE. Furthermore, Fourier transform infrared spectroscopy analysis confirmed the same. P. indicus MCC 2546 showed a catecholate type of siderophore production. This is the first report on BE and siderophore production by the genus Parapedobacter.
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Affiliation(s)
- Anushka Devale
- Department of Microbiology, P.E.S. Modern College of Arts, Science and Commerce (Autonomous), Pune, India
| | - Rupali Sawant
- Department of Microbiology, P.E.S. Modern College of Arts, Science and Commerce (Autonomous), Pune, India
| | - Karishma Pardesi
- Department of Microbiology, Savitribai Phule Pune University, Pune, India
| | - Kahkashan Perveen
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mehrun NIsha Khanam
- School of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul, Republic of Korea
| | - Yogesh Shouche
- School of Arts and Sciences, Azim Premji University, Bengaluru, India
| | - Shilpa Mujumdar
- Department of Microbiology, P.E.S. Modern College of Arts, Science and Commerce (Autonomous), Pune, India
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30
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Hei B, Pemberton JE, Schwartz SD. Classical Molecular Dynamics Simulation of Glyonic Liquids: Structural Insights and Relation to Conductive Properties. J Phys Chem B 2023; 127:921-931. [PMID: 36652632 PMCID: PMC9898233 DOI: 10.1021/acs.jpcb.2c07264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Rhamnolipids are biosurfactants that have obtained wide industrial and environmental interests with their biodegradability and great surface activity. Besides their important roles as surfactants, they are found to function as a new type of glycolipid-based protic ionic liquids (ILs)─glyonic liquids (GLs). GLs are reported to have impressive physicochemical properties, especially superionic conductivity, and it was reported in experiments that specific ion selections and the fraction of water content have a strong effect on the conductivity. Also, the shape of the conductivity curve as a function of water fraction in GLs is interesting with a sharp increase first and a long plateau. We related the conductivities to the three-dimensional (3D) networks composed of -OH inside the GLs utilizing classical molecular dynamics (MD) simulations. The amount and size of these networks vary with both ion species and water fractions. Before reaching the first hydration layer, the -OH networks with higher projection/box length ratios indicate better conductivity; after reaching the first hydration layer and forming continuous structures, the conductivity retains with more water molecules participating in the continuous networks. Therefore, networks are found to be a qualitative predictor of actual conductivity. This is explained by the analysis of the atomic structures, including radial distribution function, fraction free volume, anion conformations, and hydrogen bond occupancies, of GLs and their water mixtures under different chemical conditions.
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Affiliation(s)
- Bai Hei
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Jeanne E Pemberton
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
| | - Steven D Schwartz
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona 85721, United States
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Freitas-Silva J, de Oliveira BFR, Dias GR, de Carvalho MM, Laport MS. Unravelling the sponge microbiome as a promising source of biosurfactants. Crit Rev Microbiol 2023; 49:101-116. [PMID: 35176944 DOI: 10.1080/1040841x.2022.2037507] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Microbial surfactants are particularly useful in bioremediation and heavy metal removal from soil and aquatic environments, amongst other highly valued uses in different economic and biomedical sectors. Marine sponge-associated bacteria are well-known producers of bioactive compounds with a wide array of potential applications. However, little progress has been made on investigating biosurfactants produced by these bacteria, especially when compared with other groups of biologically active molecules harnessed from the sponge microbiome. Using a thorough literature search in eight databases, the purpose of the review was to compile the current knowledge on biosurfactants from sponge-associated bacteria, with a focus on their relevant biotechnological applications. From the publications between the years 1995 and 2021, lipopeptides and glycolipids were the most identified chemical classes of biosurfactants. Firmicutes was the dominant phylum of biosurfactant-producing strains, followed by Actinobacteria and Proteobacteria. Bioremediation led as the most promising application field for the studied surface-active molecules in sponge-derived bacteria, despite the reports endorsed their use as antimicrobial and antibiofilm agents. Finally, we appoint some key strategies to instigate the research appetite on the isolation and characterization of novel biosurfactants from the poriferan microbiome.
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Affiliation(s)
- Jéssyca Freitas-Silva
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Bruno Francesco Rodrigues de Oliveira
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,Instituto Biomédico, Universidade Federal Fluminense, Niterói, Brazil
| | - Gabriel Rodrigues Dias
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Marinella Silva Laport
- Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Tang AYL, Lee CH, Wang Y, Kan CW. Rhamnolipid (RL) microbial biosurfactant-based reverse micellar dyeing of cotton fabric with reactive dyes: A salt-free and alkali-free one-bath one-step approach. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2022.130725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Bartal A, Huynh T, Kecskeméti A, Vörös M, Kedves O, Allaga H, Varga M, Kredics L, Vágvölgyi C, Szekeres A. Identifications of Surfactin-Type Biosurfactants Produced by Bacillus Species Isolated from Rhizosphere of Vegetables. Molecules 2023; 28:molecules28031172. [PMID: 36770839 PMCID: PMC9919572 DOI: 10.3390/molecules28031172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 01/11/2023] [Accepted: 01/17/2023] [Indexed: 01/26/2023] Open
Abstract
Surfactins are cyclic lipopeptides consisting of a β-hydroxy fatty acid of variable chain length and a peptide ring of seven amino acids linked together by a lactone bridge, forming the cyclic structure of the peptide chain. These compounds are produced mainly by Bacillus species and are well regarded for their antibacterial, antifungal, and antiviral activities. For their surfactin production profiling, several Bacillus strains isolated from vegetable rhizospheres were identified by their fatty acid methyl ester profiles and were tested against phytopathogen bacteria and fungi. The isolates showed significant inhibition against of E. amylovora, X. campestris, B. cinerea, and F. culmorum and caused moderate effects on P. syringae, E. carotovora, A. tumefaciens, F. graminearum, F. solani, and C. gloeosporioides. Then, an HPLC-HESI-MS/MS method was applied to simultaneously carry out the quantitative and in-depth qualitative characterisations on the extracted ferment broths. More than half of the examined Bacillus strains produced surfactin, and the MS/MS spectra analyses of their sodiated precursor ions revealed a total of 29 surfactin variants and homologues, some of them with an extremely large number of peaks with different retention times, suggesting a large number of variations in the branching of their fatty acid chains.
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Affiliation(s)
- Attila Bartal
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary
| | - Thu Huynh
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary
- Department of Biotechnology, Faculty of Chemical Engineering, Ho Chi Minh University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 72607, Vietnam
- Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc District, Ho Chi Minh City 71351, Vietnam
| | - Anita Kecskeméti
- Department of Biotechnology, Faculty of Chemical Engineering, Ho Chi Minh University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City 72607, Vietnam
| | - Mónika Vörös
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary
| | - Orsolya Kedves
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary
| | - Henrietta Allaga
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary
| | - Mónika Varga
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary
| | - László Kredics
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary
| | - Csaba Vágvölgyi
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary
| | - András Szekeres
- Department of Microbiology, Faculty of Science and Informatics, University of Szeged, Közép Fasor 52, H-6726 Szeged, Hungary
- Correspondence: ; Tel.: +36-62-544516
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Vu KA, Mulligan CN. An Overview on the Treatment of Oil Pollutants in Soil Using Synthetic and Biological Surfactant Foam and Nanoparticles. Int J Mol Sci 2023; 24:ijms24031916. [PMID: 36768251 PMCID: PMC9915329 DOI: 10.3390/ijms24031916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/09/2023] [Accepted: 01/16/2023] [Indexed: 01/21/2023] Open
Abstract
Oil-contaminated soil is one of the most concerning problems due to its potential damage to human, animals, and the environment. Nanoparticles have effectively been used to degrade oil pollution in soil in the lab and in the field for a long time. In recent years, surfactant foam and nanoparticles have shown high removal of oil pollutants from contaminated soil. This review provides an overview on the remediation of oil pollutants in soil using nanoparticles, surfactant foams, and nanoparticle-stabilized surfactant foams. In particular, the fate and transport of oil compounds in the soil, the interaction of nanoparticles and surfactant foam, the removal mechanisms of nanoparticles and various surfactant foams, the effect of some factors (e.g., soil characteristics and amount, nanoparticle properties, surfactant concentration) on remediation efficiency, and some advantages and disadvantages of these methods are evaluated. Different nanoparticles and surfactant foam can be effectively utilized for treating oil compounds in contaminated soil. The treatment efficiency is dependent on many factors. Thus, optimizing these factors in each scenario is required to achieve a high remediation rate while not causing negative effects on humans, animals, and the environment. In the future, more research on the soil types, operating cost, posttreatment process, and recycling and reuse of surfactants and nanoparticles need to be conducted.
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Affiliation(s)
- Kien A. Vu
- Department of Civil and Environmental Engineering and Earth Sciences, University of Notre Dame, Notre Dame, IN 46556, USA
| | - Catherine N. Mulligan
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, QC H3G 1M8, Canada
- Correspondence:
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Nascimento MF, Keković P, Ribeiro IAC, Faria NT, Ferreira FC. Novel Organic Solvent Nanofiltration Approaches for Microbial Biosurfactants Downstream Processing. MEMBRANES 2023; 13:81. [PMID: 36676888 PMCID: PMC9860925 DOI: 10.3390/membranes13010081] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 12/30/2022] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
Glycolipid biosurfactants are the most prominent group of microbial biosurfactants, comprising rhamnolipids, sophorolipids and mannosylerythritol lipids (MELs). Usually, large amounts of hydrophobic substrates (e.g., vegetable oils) are used to achieve high titers (~200 g/L) of a crude product of low purity at values limited to 50-60%, contaminated with unconsumed triacylglycerol and residual free fatty acids and monoacylglycerides. The methods reported for the removal of these contaminants use a mixture of organic solvents, compromising solvent recyclability and increasing final process costs. This study reports, for the first time, an innovative downstream method for MELs, in which 90% of the triacylglycerols are separated from the crude MEL mixture in a first stage and the other lipid derivatives (free fatty acids, mono- and diacylglycerols) are removed by organic solvent nanofiltration (OSN). Three commercially available membranes (GMT-oNF-2, PuraMEm-600 and DuramMem-500) and several homemade membranes, casted from 22, 24 or 26% (w/v) polybenzimidazole (PBI) solutions, were assessed for crude MELs purification by diafiltration. A final purity of 87-90% in the MELs was obtained by filtering two diavolumes of methanol or ethyl acetate solutions through a PBI 26% membrane, resulting in MELs losses of 14.7 ± 6.1% and 15.3 ± 2.2%, respectively. Higher biosurfactant purities can be archived using the PBI 26% membrane at higher DV, but at the cost of higher product losses. Namely, in MeOH, the use of 6 DV leads to losses of 32% for MELs and 18% for sophorolipids. To obtain MELs at reagent grade with purities equal or higher than 97%, a two-sequential cascade filtration approach was implemented using the commercial membrane, GMT-oNF. In such a process, MELs with 98% purity was obtained at the cost of 11.6% MELs losses. Finally, decoloration, important in some applications, was successfully assessed using activated carbon. Overall, this study reports a unique solution for microbial biosurfactants production with minimal product losses, enabling solvent recycling and potentially reducing costs.
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Affiliation(s)
- Miguel Figueiredo Nascimento
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
- Associate Laboratory, i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Petar Keković
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
- Associate Laboratory, i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
- MIT-Portugal Program, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
| | - Isabel A. C. Ribeiro
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003 Lisboa, Portugal
| | - Nuno Torres Faria
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
- Associate Laboratory, i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
| | - Frederico Castelo Ferreira
- Department of Bioengineering, iBB—Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
- Associate Laboratory, i4HB—Institute for Health and Bioeconomy, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal
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Verma C, Hussain CM, Quraishi MA, Alfantazi A. Green surfactants for corrosion control: Design, performance and applications. Adv Colloid Interface Sci 2023; 311:102822. [PMID: 36442322 DOI: 10.1016/j.cis.2022.102822] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/17/2022] [Accepted: 11/19/2022] [Indexed: 11/23/2022]
Abstract
Surfactants enjoy an augmented share of hydrophilicity and hydrophobicity and are well-known for their anticorrosive potential. The use of non-toxic surfactants is gaining growing interest because of the scaling demands of green chemistry. Green surfactants have successfully replaced traditional toxic surfactant-based corrosion inhibitors. Recently, many reports described the corrosion inhibition potential of green surfactants. The present article aims to describe the recent advancements in using green surfactants in corrosion mitigation. They create a charge transfer barrier through their adsorption at the interface of the metal and the environment. Their adsorption is well explained by the Langmuir adsorption isotherm. In the adsorbed layer, their hydrophilic polar heads orient toward the metal side and their hydrophobic tails orient toward the solution side. They block the active sites and retard the anodic and cathodic and act as mixed-type inhibitors. Their adsorption and bonding nature are fruitfully supported by surface analyses. They can form mono- or multilayers depending upon the nature of the metal, electrolyte and experimental conditions. The challenges and opportunities of using green surfactants as corrosion inhibitors have also been described.
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Affiliation(s)
- Chandrabhan Verma
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Chaudhery Mustansar Hussain
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, NJ 07102, USA.
| | - M A Quraishi
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
| | - Akram Alfantazi
- Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 2533, Abu Dhabi, United Arab Emirates
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Danyal Y, Mahmood K, Ullah S, Rahim A, Raheem G, Khan AH, Ullah A. Phytoremediation of industrial effluents assisted by plant growth promoting bacteria. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:5296-5311. [PMID: 36402881 DOI: 10.1007/s11356-022-23967-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 10/29/2022] [Indexed: 06/16/2023]
Abstract
Industrialization plays a crucial role in the economic development of a country; however, the effluents produced as a byproduct generally contain toxic substances which are detrimental to living organisms. In this regard, it is essential to treat these toxic effluents before exposing them to the natural environment by selecting the most appropriate method accordingly. Several techniques are used to remediate industrial effluents including physical, chemical, and biological. Although some physical and chemical remediation technologies are of substantially important in remediation of industrial effluents, however, these technologies are either expensive to be applied by developing countries or not suitable for remediation of all kinds of effluents. In contrast, biological remediation is cost effective, nature friendly, and easy to use for almost all kinds of effluents. Among biological remediation strategies, phytoremediation is considered to be the most suitable method for remediation of industrial effluents; however, the phytoremediation process is slow, takes time in application and some effluents even affect plants growth and development. Alternately, plant microbe interactions could be a winning partner to remediate industrial effluents more efficiently. Among the microbes, plant growth promoting bacteria (PGPB) not only improve plant growth but also help in degradation, sequestration, volatilization, solubilization, mobilization, and bioleaching of industrial effluents which subsequently improve the phytoremediation process. The current study discusses the role of PGPB in enhancing the phytoremediation processes of industrial effluents.
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Affiliation(s)
- Youshaa Danyal
- Department of Botany, University of Malakand, Dir Lower, Chakdara, Khyber Pakhtunkhwa, Pakistan
| | - Kainat Mahmood
- Department of Botany, University of Malakand, Dir Lower, Chakdara, Khyber Pakhtunkhwa, Pakistan
| | - Shariat Ullah
- Department of Botany, University of Malakand, Dir Lower, Chakdara, Khyber Pakhtunkhwa, Pakistan
| | - Abdur Rahim
- Department of Zoology, University of Malakand, Dir Lower, Chakdara, Khyber Pakhtunkhwa, Pakistan
| | - Gul Raheem
- Department of Botany, University of Malakand, Dir Lower, Chakdara, Khyber Pakhtunkhwa, Pakistan
| | - Aamir Hamid Khan
- National Key Laboratory of Crop Genetic Improvement, Huazhong Agricultural University, Wuhan, Hubei, 430070, People's Republic of China
| | - Abid Ullah
- Department of Botany, University of Malakand, Dir Lower, Chakdara, Khyber Pakhtunkhwa, Pakistan.
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Gandha Gogoi N, Dutta P, Saikia J, Handique JG. Antioxidant, Antibacterial, and BSA Binding Properties of Curcumin Caffeate Capped Silver Nanoparticles Prepared by Greener Method. ChemistrySelect 2022. [DOI: 10.1002/slct.202203989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Nishi Gandha Gogoi
- Department of Chemistry Dibrugarh University 786004 Dibrugarh Assam India
| | - Pankaj Dutta
- Department of Physics Dibrugarh University 786004 Dibrugarh Assam India
| | - Jiban Saikia
- Department of Chemistry Dibrugarh University 786004 Dibrugarh Assam India
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A Systematic Review on Biosurfactants Contribution to the Transition to a Circular Economy. Processes (Basel) 2022. [DOI: 10.3390/pr10122647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Since they are more environmentally acceptable than their chemically synthesized counterparts, biosurfactants are used in a wide range of environmental applications. However, less research has been done on biosurfactants within the context of the circular economy, despite their theoretical potential to fulfill a number of circular economy ambitions, including closing the consumption loop, regenerating natural systems, and maintaining resource value within the system. Hence, the main objective of this review is to identify and analyze the contributions of biosurfactants to the implementation of the circular economy. A final sample of 30 papers from the Web of Science database was examined. We identified five broad categories of contributions: waste stream-derived production, combating food waste, strengthening soil health, and improving the efficiency of water resources. We concluded that, while manufacturing biosurfactants from waste streams can reduce production costs, optimizing yield remains a contentious issue that complicates the adoption of biosurfactants into the circular economy framework.
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Cazals F, Colombano S, Huguenot D, Betelu S, Galopin N, Perrault A, Simonnot MO, Ignatiadis I, Rossano S, Crampon M. Polycyclic aromatic hydrocarbons remobilization from contaminated porous media by (bio)surfactants washing. JOURNAL OF CONTAMINANT HYDROLOGY 2022; 251:104065. [PMID: 36054960 DOI: 10.1016/j.jconhyd.2022.104065] [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: 01/05/2022] [Revised: 08/01/2022] [Accepted: 08/15/2022] [Indexed: 06/15/2023]
Abstract
Biosurfactants, surface-active agents produced by microorganisms, are increasingly studied for their potential use in soil remediation processes because they are more environmentally friendly than their chemically produced homologues. In this work, we report on the use of a crude biosurfactant produced by a bacterial consortium isolated from a PAHs-contaminated soil, compared with other (bio)surfactants (Tween80, Sodium dodecyl sulfate - SDS, rhamnolipids mix), to wash PAHs from a contaminated porous media. Assays were done using columns filled with sand or sand-clay mixtures (95:5) spiked with four model PAHs. The crude biosurfactant showed less adsorption to the [sand] and the [sand + clay] columns compared to Tween 80, SDS and the rhamnolipid mix. The biosurfactant showed the second best capacity to remove PAHs from the columns (as dissolved and particulate phases), both from [sand] and [sand + clay], after SDS when applied at lower concentrations than the other sufactants. The effluent concentrations of phenanthrene (PHE), pyrene (PYR) and benzo[a]pyrene (BAP) increased in the presence of the crude biosurfactant. Compared to the control experiment using only water, the global PAHs washed mass (amount of PAHs removed from the columns) increased between 9 and 1000 times for PHE and BAP in the [sand] column, and between 55 and 6000 times respectively for PHE and BAP in the [sand + clay] columns. Moreover, in the [sand + clay] columns, leaching of a part of the clays was observed in the SDS and the biosurfactant injections assays. This clay leaching resulted in higher PAHs removal, due not to desorption but rather to particulate transport. In the context of washing PAH-contaminated soils in biopiles or subsurface remediation, our results could help in sizing the remediation approach using an environmental friendly biosurfactant, before a pump-and-treat process.
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Affiliation(s)
- Florian Cazals
- Laboratoire Géomatériaux et Environnement, Université Paris-Est Marne-la-Vallée, France; Colas Environnement, France; Bureau de Recherches Géologiques et Minières (BRGM), F-45060 Orléans, France.
| | - Stéfan Colombano
- Bureau de Recherches Géologiques et Minières (BRGM), F-45060 Orléans, France.
| | - David Huguenot
- Laboratoire Géomatériaux et Environnement, Université Paris-Est Marne-la-Vallée, France.
| | - Stéphanie Betelu
- Bureau de Recherches Géologiques et Minières (BRGM), F-45060 Orléans, France.
| | | | | | | | - Ioannis Ignatiadis
- Bureau de Recherches Géologiques et Minières (BRGM), F-45060 Orléans, France.
| | - Stéphanie Rossano
- Laboratoire Géomatériaux et Environnement, Université Paris-Est Marne-la-Vallée, France.
| | - Marc Crampon
- Bureau de Recherches Géologiques et Minières (BRGM), F-45060 Orléans, France.
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Hou N, Zhao X, Han Z, Jiang X, Fang Y, Chen Y, Li D. Dodecenylsuccinic anhydride-modified oxalate decarboxylase loaded with magnetic nano-Fe 3O 4@SiO 2 for demulsification of oil-in-water emulsions. CHEMOSPHERE 2022; 308:136595. [PMID: 36167213 DOI: 10.1016/j.chemosphere.2022.136595] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 09/19/2022] [Accepted: 09/21/2022] [Indexed: 06/16/2023]
Abstract
The inability to demulsify oil-in-water emulsions via green and efficient processes is a challenging problem in many industrial processes. As a novel biodemulsifier, protein demulsifiers display excellent dispersibility and stability, but their demulsification mechanisms are not clear, which severely restricts their large-scale production and application. In this study, the demulsification mechanism of the high-efficiency protein biodemulsifier oxalate decarboxylase (Bacm OxdC), which is secreted by the Bacillus mojavensis XH1 strain, for an oil-in-water emulsion was analyzed. The results showed that Bacm OxdC was spontaneously adsorbed at the oil-water interface and turned its hydrophobic amino acids outward to increase its hydrophobicity and break the emulsified system. Furthermore, it effectively reduced the oil-water interfacial tension and interfacial film strength, thereby reducing the oil-water interfacial energy and finally enabling demulsification. To further improve the demulsification efficiency and reusability, Fe3O4@SiO2@OxdC-DDSA was prepared. This method provided a magnetic response for Bacm OxdC and enabled efficient demulsification. The demulsification rate of Fe3O4@SiO2@OxdC-DDSA reached 98.1% at 24 h, which was 30.7% higher than that of the original Bacm OxdC. After three cycles, the demulsification rate still reached 89.3%, proving it has excellent recyclability. This work is the first study on the demulsification mechanism of protein biodemulsifiers and provides useful insights into the demulsification mechanism of biodemulsifiers for oil-in-water emulsions. In addition, a promising high-efficiency modification technique for protein biodemulsifiers was proposed, which provided information for the development of biodemulsifiers for oil-water separation.
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Affiliation(s)
- Ning Hou
- College of Resources and Environment, Northeast Agricultural University, No. 600 Changjiang Street, Harbin, Heilongjiang, 150030, PR China
| | - Xin Zhao
- College of Resources and Environment, Northeast Agricultural University, No. 600 Changjiang Street, Harbin, Heilongjiang, 150030, PR China
| | - Ziyi Han
- College of Resources and Environment, Northeast Agricultural University, No. 600 Changjiang Street, Harbin, Heilongjiang, 150030, PR China
| | - Xinxin Jiang
- College of Resources and Environment, Northeast Agricultural University, No. 600 Changjiang Street, Harbin, Heilongjiang, 150030, PR China
| | - Yongping Fang
- College of Resources and Environment, Northeast Agricultural University, No. 600 Changjiang Street, Harbin, Heilongjiang, 150030, PR China
| | - Yun Chen
- College of Resources and Environment, Northeast Agricultural University, No. 600 Changjiang Street, Harbin, Heilongjiang, 150030, PR China
| | - Dapeng Li
- College of Resources and Environment, Northeast Agricultural University, No. 600 Changjiang Street, Harbin, Heilongjiang, 150030, PR China.
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Li Z, Rosenzweig R, Chen F, Qin J, Li T, Han J, Istvan P, Diaz-Reck D, Gelman F, Arye G, Ronen Z. Bioremediation of Petroleum-Contaminated Soils with Biosurfactant-Producing Degraders Isolated from the Native Desert Soils. Microorganisms 2022; 10:microorganisms10112267. [PMID: 36422337 PMCID: PMC9694877 DOI: 10.3390/microorganisms10112267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 11/02/2022] [Accepted: 11/10/2022] [Indexed: 11/17/2022] Open
Abstract
A crude oil spill in 2014 resulted in extensive soil contamination of the hyper arid Evrona Nature Reserve in Israel's Negev Desert. The contaminated soils became highly hydrophobic, threatening the existence of plants in the habitat. We hypothesized that bioaugmenting the soil with indigenous biosurfactant-producing, hydrocarbon-degrading bacteria (HDB) would accelerate the reduction in the soil's hydrophobicity. We aimed to isolate and characterize biosurfactant-producing HDBs from the desert-contaminated soil and test if they can be used for augmenting the soil. Twelve hydrocarbon-degrading strains were isolated, identified as Pseudomonas, and classified as biosurfactants "producing" and "nonproducing". Inoculating 109 CFU/g of "producing" strains into the polluted soil resulted in a 99.2% reduction in soil hydrophobicity within seven days. At the same time, nonproducing strains reduced hydrophobicity by only 17%, while no change was observed in the untreated control. The microbial community in the inoculated soil was dominated by the introduced strains over 28 days, pointing to their persistence. Rhamnolipid biosynthesis gene rhlAB remained persistent in soil inoculated with biosurfactants, indicating in situ production. We propose that the success of the treatment is due to the use of inoculum enriched from the polluted soil.
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Affiliation(s)
- Zheng Li
- Zuckerberg Institute for Water Research, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Be’er Sheva 8499000, Israel; (L.Z.); (J.Q.); (J.H.); (P.I.); (D.D.-R.)
- Geological Survey of Israel, 32 Yeshayahu Leibowitz St., Jerusalem 9692100, Israel; (R.R.); (F.G.)
| | - Ravid Rosenzweig
- Geological Survey of Israel, 32 Yeshayahu Leibowitz St., Jerusalem 9692100, Israel; (R.R.); (F.G.)
| | - Fengxian Chen
- French Associates Institute for Agriculture and Biotechnology of Drylands, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Be’er Sheva 8499000, Israel; (F.C.); (T.L.); (G.A.)
| | - Ji Qin
- Zuckerberg Institute for Water Research, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Be’er Sheva 8499000, Israel; (L.Z.); (J.Q.); (J.H.); (P.I.); (D.D.-R.)
| | - Tianyi Li
- French Associates Institute for Agriculture and Biotechnology of Drylands, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Be’er Sheva 8499000, Israel; (F.C.); (T.L.); (G.A.)
| | - Jincheng Han
- Zuckerberg Institute for Water Research, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Be’er Sheva 8499000, Israel; (L.Z.); (J.Q.); (J.H.); (P.I.); (D.D.-R.)
| | - Paula Istvan
- Zuckerberg Institute for Water Research, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Be’er Sheva 8499000, Israel; (L.Z.); (J.Q.); (J.H.); (P.I.); (D.D.-R.)
| | - Damiana Diaz-Reck
- Zuckerberg Institute for Water Research, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Be’er Sheva 8499000, Israel; (L.Z.); (J.Q.); (J.H.); (P.I.); (D.D.-R.)
| | - Faina Gelman
- Geological Survey of Israel, 32 Yeshayahu Leibowitz St., Jerusalem 9692100, Israel; (R.R.); (F.G.)
| | - Gilboa Arye
- French Associates Institute for Agriculture and Biotechnology of Drylands, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Be’er Sheva 8499000, Israel; (F.C.); (T.L.); (G.A.)
| | - Zeev Ronen
- Zuckerberg Institute for Water Research, Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Sede Boqer Campus, Be’er Sheva 8499000, Israel; (L.Z.); (J.Q.); (J.H.); (P.I.); (D.D.-R.)
- Correspondence:
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Poirier A, Ozkaya K, Gredziak J, Talbot D, Baccile N. Heavy metal removal from water using the metallogelation properties of a new glycolipid biosurfactant. J SURFACTANTS DETERG 2022. [DOI: 10.1002/jsde.12629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Alexandre Poirier
- Laboratoire de Chimie de la Matière Condensée de Paris, LCMCP Sorbonne Université, CNRS Paris France
| | - Korin Ozkaya
- Laboratoire de Chimie de la Matière Condensée de Paris, LCMCP Sorbonne Université, CNRS Paris France
| | - Julie Gredziak
- Laboratoire de Chimie de la Matière Condensée de Paris, LCMCP Sorbonne Université, CNRS Paris France
- Laboratoire de Physicochimie des Electrolytes et Nanosystèmes Interfaciaux, PHENIX Sorbonne Université, CNRS Paris France
| | - Delphine Talbot
- Laboratoire de Physicochimie des Electrolytes et Nanosystèmes Interfaciaux, PHENIX Sorbonne Université, CNRS Paris France
| | - Niki Baccile
- Laboratoire de Chimie de la Matière Condensée de Paris, LCMCP Sorbonne Université, CNRS Paris France
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Simultaneous acidic air biofiltration of toluene and styrene mixture in the presence of rhamnolipids: Performance evaluation and neural model analysis. Biochem Eng J 2022. [DOI: 10.1016/j.bej.2022.108637] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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45
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Sánchez C. A review of the role of biosurfactants in the biodegradation of hydrophobic organopollutants: production, mode of action, biosynthesis and applications. World J Microbiol Biotechnol 2022; 38:216. [PMID: 36056983 DOI: 10.1007/s11274-022-03401-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Accepted: 08/25/2022] [Indexed: 10/14/2022]
Abstract
The increasing influence of human activity and industrialization has adversely impacted the environment via pollution with organic contaminants, which are minimally soluble in water. These hydrophobic organopollutants may be present in sediment, water or biota and have created concern due to their toxic effects in mammals. The ability of microorganisms to degrade pollutants makes their use the most effective, inexpensive and ecofriendly method for environmental remediation. Microorganisms have the ability to produce natural surfactants (biosurfactants) that increase the bioavailability of hydrophobic organopollutants, which enables their use as carbon and energy sources. Due to microbial diversity in production, and the biodegradability, nontoxicity, stability and specific activity of the surfactants, the use of microbial surfactants has the potential to overcome problems associated with contamination by hydrophobic organopollutants.This review provides an overview of the current state of knowledge regarding microbial surfactant production, mode of action in the biodegradation of hydrophobic organopollutants and biosynthetic pathways as well as their applications using emergent strategy tools to remove organopollutants from the environment. It is also specified for the first time that biosurfactants are produced either as growth-associated products or secondary metabolites, and are produced in different amounts by a wide range of microorganisms.
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Affiliation(s)
- Carmen Sánchez
- Laboratory of Biotechnology, Research Centre for Biological Sciences, Universidad Autónoma de Tlaxcala, C.P. 90120, Ixtacuixtla, Tlaxcala, Mexico.
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Kumari S, Debnath M, Hari Sonawane S, Teja Malkapuram S, Mohan Seepana M. Dye Decolorization by
Rhodococcus ruber
Strain TES III Isolated from Textile Effluent Wastewater Contaminated Soil. ChemistrySelect 2022. [DOI: 10.1002/slct.202200421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Sapna Kumari
- Department of Bioscience Manipal University Jaipur Jaipur 303007, Rajasthan India
| | - Mousumi Debnath
- Department of Bioscience Manipal University Jaipur Jaipur 303007, Rajasthan India
| | - Shirish Hari Sonawane
- Department of Chemical engineering National Institute of Technology Warangal 506004, Telangana India
| | - Surya Teja Malkapuram
- Department of Chemical engineering National Institute of Technology Warangal 506004, Telangana India
| | - Murali Mohan Seepana
- Department of Chemical engineering National Institute of Technology Warangal 506004, Telangana India
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47
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Guava Seed Oil: Potential Waste for the Rhamnolipids Production. FERMENTATION 2022. [DOI: 10.3390/fermentation8080379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Guava is consumed in natura and is also of considerable importance to the food industry. The seeds and peel of this fruit are discarded, however, guava seeds yield oil (~13%) that can be used for the bioproducts synthesis. The use of a by-product as a carbon source is advantageous, as it reduces the environmental impact of possible harmful materials to nature, while adding value to products. In addition, the use of untested substrates can bring new yield and characterization results. Thus, this research sought to study rhamnolipids (RLs) production from guava seed oil, a by-product of the fructorefinery. The experiments were carried out using Pseudomonas aeruginosa LBI 2A1 and experimental design was used to optimize the variables Carbon and Nitrogen concentration. Characterization of RLs produced occurred by LC-MS. In this study, variables in the quadratic forms and the interaction between them influenced the response (p < 0.05). The most significant variable was N concentration. Maximum RLs yield achieved 39.97 g/L, predominantly of mono-RL. Characterization analysis revealed 9 homologues including the presence of RhaC10C14:2 (m/z 555) whose structure has not previously been observed. This research showed that guava seed oil is an alternative potential carbon source for rhamnolipid production with rare rhamnolipid homologues.
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Rekiel E, Zdziennicka A, Szymczyk K, Jańczuk B. Wetting Properties of Rhamnolipid and Surfactin Mixtures with Triton X-165. Molecules 2022; 27:molecules27154706. [PMID: 35897880 PMCID: PMC9330438 DOI: 10.3390/molecules27154706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 07/19/2022] [Accepted: 07/20/2022] [Indexed: 12/10/2022] Open
Abstract
The wetting properties of the rhamnolipid and surfactin mixtures with Triton X-165 were considered based on the contact angle measurements of their aqueous solution on the polytetrafluoroethylene (PTFE), polymethyl methacrylate (PMMA) and quartz (Q) surfaces. The obtained contact angle isotherms were described by the exponential function of the second order as well as by Szyszkowski equation in some cases. Using the contact angle isotherms of individual biosurfactants and TX165 as well as the earlier obtained isotherms of their surface tension the contact angle isotherms of the biosurfactants mixtures with TX165 were deduced. As follows the presence of the maxima on the contact angle isotherms of the biosurfactants mixtures with TX165 is justified. They do not prove negative adsorption of the biosurfactant and TX165 at the interfaces. However, the mutual exchange of the biosurfactant and TX165 molecules is observed in the layers at the interfaces. The concentration of the studied mixtures at the PTFE-solution interface was established to be close to that at the solution-air one but that at the PTFE-air is equal to zero. However, the concentration of the studied mixtures at the PMMA-solution and quartz-solution is greater than zero. The concentration at the PMMA(quartz)-air and PMMA(quartz)-solution interfaces is smaller than that at the solution-air one.
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Velty A, Iborra S, Corma A. Synthetic Routes for Designing Furanic and Non Furanic Biobased Surfactants from 5-Hydroxymethylfurfural. CHEMSUSCHEM 2022; 15:e202200181. [PMID: 35325511 PMCID: PMC9401603 DOI: 10.1002/cssc.202200181] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 03/21/2022] [Indexed: 06/14/2023]
Abstract
5-hydroxymethylfurfural (HMF) is one of the most valuable biomass platform molecules, enabling the construction of a plethora of high value-added furanic compounds. In particular, in the last decade, HMF has been considered as a starting material for designing biobased surfactants, not only because of its renewability and carbon footprint, but also because of its enhanced biodegradability. This Review presents recent examples of the different approaches to link the hydrophilic and lipophilic moieties into the hydrophobic furan (and tetrahydrofuran) ring, giving a variety of biobased surfactants that have been classified here according to the charge of the head polar group. Moreover, strategies for the synthesis of different non-furanic structures surfactant molecules (such as levulinic acid, cyclopentanols, and aromatics) derived from HMF are described. The new HMF-based amphiphilic molecules presented here cover a wide range of hydrophilic-lipophilic balance values and have suitable surfactant properties such as surface tension activity and critical micelle concentration, to be an important alternative for the replacement of non-sustainable surfactants.
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Affiliation(s)
- Alexandra Velty
- Instituto de Tecnología QuímicaUniversitat Politècnica de ValènciaConsejo Superior de Investigaciones CientíficasAvenida de los Naranjos s/nValenciaE-46022Spain
| | - Sara Iborra
- Instituto de Tecnología QuímicaUniversitat Politècnica de ValènciaConsejo Superior de Investigaciones CientíficasAvenida de los Naranjos s/nValenciaE-46022Spain
| | - Avelino Corma
- Instituto de Tecnología QuímicaUniversitat Politècnica de ValènciaConsejo Superior de Investigaciones CientíficasAvenida de los Naranjos s/nValenciaE-46022Spain
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Alvarez A, Rodríguez-Garrido B, Cerdeira-Pérez A, Tomé-Pérez A, Kidd P, Prieto-Fernández A. Enhanced biodegradation of hexachlorocyclohexane (HCH) isomers by Sphingobium sp. strain D4 in the presence of root exudates or in co-culture with HCH-mobilizing strains. JOURNAL OF HAZARDOUS MATERIALS 2022; 433:128764. [PMID: 35390620 DOI: 10.1016/j.jhazmat.2022.128764] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/05/2022] [Accepted: 03/20/2022] [Indexed: 06/14/2023]
Abstract
Lindane and other 1,2,3,4,5,6-hexachlorocyclohexane (HCH) isomers are persistent organic pollutants highly hydrophobic, which hampers their availability and biodegradation. This work aimed at (i) investigating genes encoding enzymes involved in HCH degradation in the bacterium Sphingobium sp. D4, (ii) selecting strains, from a collection of environmental isolates, able to mobilize HCHs from contaminated soil, and (iii) analysing the biodegradation of HCHs by strain D4 in co-culture with HCH-mobilizing strains or when cultivated with root exudates. Fragments of the same size and similar sequence to linA and linB genes were successfully amplified. Two isolates, Streptomyces sp. M7 and Rhodococcus erythropolis ET54b able to produce emulsifiers and to mobilize HCH isomers from soil were selected. Biodegradation of HCH isomers by strain D4 was enhanced when co-inoculated with HCH mobilizing strains or when cultivated with root exudates. The degrader strain D4 was able to decompose very efficiently HCHs isomers, reducing their concentration in soil slurries by more than 95% (from an average initial amount of 50 ± 8 mg HCH kg-1 soil) in 9 days. The combination of HCH-degrading and HCH-mobilizing strains can be considered a promising inoculum for future soil bioremediation studies using bioaugmentation techniques or in combination with plants in rhizodegradation assays.
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Affiliation(s)
- Analía Alvarez
- Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Avenida Belgrano y Pasaje Caseros, Tucumán 4000, Argentina; Facultad de Ciencias Naturales e Instituto Miguel Lillo, Universidad Nacional de Tucumán (UNT), Miguel Lillo 205, Tucumán 4000, Argentina
| | - Beatriz Rodríguez-Garrido
- Instituto de Investigaciones Agrobiológicas de Galicia (IIAG), Consejo Superior de Investigaciones Científicas (CSIC), Avda. de Vigo s/n, Santiago de Compostela 15705, Spain
| | - Andrea Cerdeira-Pérez
- Instituto de Investigaciones Agrobiológicas de Galicia (IIAG), Consejo Superior de Investigaciones Científicas (CSIC), Avda. de Vigo s/n, Santiago de Compostela 15705, Spain
| | - Alba Tomé-Pérez
- Instituto de Investigaciones Agrobiológicas de Galicia (IIAG), Consejo Superior de Investigaciones Científicas (CSIC), Avda. de Vigo s/n, Santiago de Compostela 15705, Spain
| | - Petra Kidd
- Instituto de Investigaciones Agrobiológicas de Galicia (IIAG), Consejo Superior de Investigaciones Científicas (CSIC), Avda. de Vigo s/n, Santiago de Compostela 15705, Spain
| | - Angeles Prieto-Fernández
- Instituto de Investigaciones Agrobiológicas de Galicia (IIAG), Consejo Superior de Investigaciones Científicas (CSIC), Avda. de Vigo s/n, Santiago de Compostela 15705, Spain.
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