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Cruz IDA, Cruz-Magalhães V, Loguercio LL, Dos Santos LBPR, Uetanabaro APT, Costa AMD. A systematic study on the characteristics and applications of laccases produced by fungi: insights on their potential for biotechnologies. Prep Biochem Biotechnol 2024; 54:896-909. [PMID: 38170449 DOI: 10.1080/10826068.2023.2297697] [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] [Indexed: 01/05/2024]
Abstract
Laccases are polyphenol oxidase enzymes and form the enzyme complex known for their role in wood decomposition and lignin degradation. The present study aimed to systematically review the state-of-the-art trends in scientific publications on laccase enzymes of the last 10 years. The main aspects checked included the laccase-producing fungal genera, the conditions of fungal growth and laccase production, the methods of immobilization, and potential applications of laccase. After applying the systematic search method 177 articles were selected to compound the final database. Although various fungi produce laccase, most studies were Trametes and Pleurotus genera. The submerged fermentation (SmF) has been the most used, however, the use of solid-state fermentation (SSF) appeared as a promising technique to produce laccase when using agro-industrial residues as substrates. Studies on laccase immobilization showed the covalent bonding and entrapment methods were the most used, showing greater efficiency of immobilization and a high number of enzyme reuses. The main use of the laccase was in bioremediation, especially in the discoloration of dyes from the textile industry and the degradation of pharmaceutical waste. Implications and consequences of all these findings in biotechnology and environment, as well as the trends and gaps of laccase research were discussed.
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Affiliation(s)
- Ian David Araújo Cruz
- Departamento de Ciências Biológicas, UESC - Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | | | - Leandro Lopes Loguercio
- Departamento de Ciências Biológicas, UESC - Universidade Estadual de Santa Cruz, Ilhéus, Brazil
| | | | | | - Andréa Miura da Costa
- Departamento de Ciências Biológicas, UESC - Universidade Estadual de Santa Cruz, Ilhéus, Brazil
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Dinius A, Kozanecka ZJ, Hoffmann KP, Krull R. Intensification of bioprocesses with filamentous microorganisms. PHYSICAL SCIENCES REVIEWS 2023. [DOI: 10.1515/psr-2022-0112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
Abstract
Many industrial biotechnological processes use filamentous microorganisms to produce platform chemicals, proteins, enzymes and natural products. Product formation is directly linked to their cellular morphology ranging from dispersed mycelia over loose clumps to compact pellets. Therefore, the adjustment and control of the filamentous cellular morphology pose major challenges for bioprocess engineering. Depending on the filamentous strain and desired product, optimal morphological shapes for achieving high product concentrations vary. However, there are currently no overarching strain- or product-related correlations to improve process understanding of filamentous production systems. The present book chapter summarizes the extensive work conducted in recent years in the field of improving product formation and thus intensifying biotechnological processes with filamentous microorganisms. The goal is to provide prospective scientists with an extensive overview of this scientifically diverse, highly interesting field of study. In the course of this, multiple examples and ideas shall facilitate the combination of their acquired expertise with promising areas of future research. Therefore, this overview describes the interdependence between filamentous cellular morphology and product formation. Moreover, the currently most frequently used experimental techniques for morphological structure elucidation will be discussed in detail. Developed strategies of morphology engineering to increase product formation by tailoring and controlling cellular morphology and thus to intensify processes with filamentous microorganisms will be comprehensively presented and discussed.
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Affiliation(s)
- Anna Dinius
- Institute of Biochemical Engineering , Technische Universität Braunschweig , Rebenring 56 , 38106 Braunschweig , Germany
- Center of Pharmaceutical Engineering , Technische Universität Braunschweig , Franz-Liszt-Str. 35a , 38106 Braunschweig , Germany
| | - Zuzanna J. Kozanecka
- Institute of Biochemical Engineering , Technische Universität Braunschweig , Rebenring 56 , 38106 Braunschweig , Germany
- Center of Pharmaceutical Engineering , Technische Universität Braunschweig , Franz-Liszt-Str. 35a , 38106 Braunschweig , Germany
| | - Kevin P. Hoffmann
- Institute of Biochemical Engineering , Technische Universität Braunschweig , Rebenring 56 , 38106 Braunschweig , Germany
- Center of Pharmaceutical Engineering , Technische Universität Braunschweig , Franz-Liszt-Str. 35a , 38106 Braunschweig , Germany
| | - Rainer Krull
- Institute of Biochemical Engineering , Technische Universität Braunschweig , Rebenring 56 , 38106 Braunschweig , Germany
- Center of Pharmaceutical Engineering , Technische Universität Braunschweig , Franz-Liszt-Str. 35a , 38106 Braunschweig , Germany
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Kunz P, King R. Secretory Vesicle and Glucoamylase Distribution in Aspergillus niger and Macromorphology in Regions of Varying Shear Stress. Front Microbiol 2022; 13:842249. [PMID: 35668754 PMCID: PMC9164161 DOI: 10.3389/fmicb.2022.842249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 04/26/2022] [Indexed: 11/13/2022] Open
Abstract
In technical fermentations, filamentous microorganisms are exposed to different forms of mechanical stress, among which shear stress is prevalent in turbulent broths. Whereas small-scale bioreactors allow for realistic turbulent flow field conditions, they are not well-suited to investigate the fungal response to shear stress in more detail, as they only reveal the integral effect of a highly dynamic stress stimulus. Therefore, the widely used model system for producing constant, but rather low shear forces, the parallel plate flow chamber, is extended in this work by adding a backward-facing step (BFS). The BFS induces vortex shedding in the wake of the step and brings out distinct areas of different shear stress levels at the bottom of the chamber where mycelia grow. This allows for a stress-dependent analysis of growing cells using a confocal laser-scanning microscope. As the real stress cannot be measured in the experiment, the wall shear stress is estimated numerically using computational fluid dynamics (CFD). As a first application of the experimental setup, the relative biomass concentration, the relative amount of secretory vesicles and the relative amount of the chosen product glucoamylase produced by the filamentous fungus Aspergillus niger were measured. The obtained area scans show homogeneous mycelia growth in areas of low stress and cloud-like patterns downstream of the predicted flow reattachment length where high shear stress dominates. Quantitative analysis of the time course suggests that the amount of available secretory vesicles inside of A. niger decreases when the shear stress is increased, despite that no significant differences in biomass production could be found. In contrast, the highest level of glucoamylase was reached for intermediate volumetric flow rates, i.e., levels of shear stress.
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Majul L, Wirth S, Levin L. High dye removal capacity of Peniophora laxitexta immobilized in a combined support based on polyurethane foam and lignocellulosic substrates. ENVIRONMENTAL TECHNOLOGY 2022; 43:684-695. [PMID: 32713269 DOI: 10.1080/09593330.2020.1801851] [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: 04/07/2020] [Accepted: 07/20/2020] [Indexed: 06/11/2023]
Abstract
Dye removal from effluents is a major problem for most textile industries. At present, wastewater treatments are currently based on physico-chemical methods which are expensive, energy inefficient and of limited versatility. The aim of this work was to find a low-cost and efficient method for dye removal. To do this, we designed a combined system based on the immobilization of the ligninolytic white-rot fungus Peniophora laxitexta (BAFC 4687) on mixed supports consisting of two polyurethane foam discs and a middle layer of diverse lignocellulosic substrates: soybean hulls, wheat straw or cellulose spent casings. As a corticioid fungus, P. laxitexta was able to completely colonize the supports developing a compact and tight structure that maintained the integrity of the system after several dye removal cycles. The immobilized fungus removed between 30% and 50% of the azoic dye Xylidine and more than 50% of the anthraquinonic dye RBBR in three successive cycles, and near 90% of the triphenylmethane Malachite Green in 10 repeated cycles without any loss of efficiency. Our analysis showed that the removal of the dyes was due to the combined effect of adsorption to the supports and enzymatic decolorization by soluble laccases and enzymes associated with the mycelium. Additionally, we showed that the presence of Malachite Green induced the expression of a new laccase isoform with high decolorization capacity. Based on these results, we propose that this inoculated laminar biocarrier could be effectively used for dye removal in textile wastewater.
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Affiliation(s)
- Leonardo Majul
- Laboratorio de Micología Experimental, Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
- Laboratorio de Agrobiotecnología, Departamento de Fisiología, Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires and Instituto de Biodiversidad y Biología Experimental y Aplicada, Buenos Aires, Argentina
| | - Sonia Wirth
- Laboratorio de Agrobiotecnología, Departamento de Fisiología, Biología Molecular y Celular, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires and Instituto de Biodiversidad y Biología Experimental y Aplicada, Buenos Aires, Argentina
| | - Laura Levin
- Laboratorio de Micología Experimental, Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
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Terasawat A, Phoolphundh S. Simultaneous Biological Pretreatment and Saccharification of Rice Straw by Ligninolytic Enzymes from Panus neostrigosus I9 and Commercial Cellulase. J Fungi (Basel) 2021; 7:853. [PMID: 34682275 PMCID: PMC8537424 DOI: 10.3390/jof7100853] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/05/2021] [Accepted: 10/05/2021] [Indexed: 11/17/2022] Open
Abstract
The utilization of rice straw for biofuel production is limited by its composition. The pretreatment process is required to improve the enzymatic accessibility of polysaccharides in the biomass prior to enzymatic saccharification. In this study, simultaneous biological pretreatment and saccharification (SPS) of rice straw starting from laccase production by Panus neostrigosus I9 was operated in a 2-L fermenter. It was found that fungal physiology was strongly influenced by the agitation, and that the highest laccase production was obtained at an agitation speed of 750 rpm (209.96 ± 0.34 U/L). The dilution rate of 0.05 h-1 was set in continuous fermentation which resulted in laccase activity of 678.49 ± 20.39 U/L, approximately three times higher than that in batch culture. Response surface methodology (RSM) was applied to achieve the condition for maximum percentage of delignification. The maximum percentage of delignification of 45.55% was accomplished after pretreatment of rice straw with laccase enzyme 39.40 U/g rice straw at 43.70 °C for 11.19 h. Reducing sugar of 3.85 ± 0.15 g/L was obtained from the digested rice straw in a SPS reactor, while non-pretreated rice straw gave only 1.13 ± 0.10 g/L within 12 h of incubation. The results indicated that simultaneous biological pretreatment and saccharification (SPS) of rice straw by laccase helped to improve the accessibility of cellulose by cellulolytic enzymes.
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Affiliation(s)
| | - Sivawan Phoolphundh
- Department of Microbiology, Faculty of Science, King Mongkut’s University of Technology Thonburi, 126 Pracha-Uthid Road, Bang Mod, Thungkru, Bangkok 10140, Thailand;
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Chan LG, Dias FFG, Saarni A, Cohen J, Block D, Taha AY, Moura Bell JMLN. Scaling up the Bioconversion of Cheese Whey Permeate into Fungal Oil by
Mucor circinelloides. J AM OIL CHEM SOC 2020. [DOI: 10.1002/aocs.12372] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Lauryn G. Chan
- Department of Food Science and TechnologyUniversity of California, Davis One Shields Avenue, Davis CA 95616 USA
| | - Fernanda F. G. Dias
- Department of Food Science and TechnologyUniversity of California, Davis One Shields Avenue, Davis CA 95616 USA
| | - Andrew Saarni
- Department of Chemical EngineeringUniversity of California, Davis One Shields Avenue, Davis CA 95616 USA
| | - Joshua Cohen
- Department of Food Science and TechnologyUniversity of California, Davis One Shields Avenue, Davis CA 95616 USA
| | - David Block
- Department of Chemical EngineeringUniversity of California, Davis One Shields Avenue, Davis CA 95616 USA
- Department of Viticulture and EnologyUniversity of California, Davis One Shields Avenue, Davis CA 95616 USA
| | - Ameer Y. Taha
- Department of Food Science and TechnologyUniversity of California, Davis One Shields Avenue, Davis CA 95616 USA
| | - Juliana M. L. N. Moura Bell
- Department of Food Science and TechnologyUniversity of California, Davis One Shields Avenue, Davis CA 95616 USA
- Department of Biological and Agricultural EngineeringUniversity of California, Davis One Shields Avenue, Davis CA 95616 USA
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Wei X, Liu C, An F, Lu Y. Induced effect of Ca2+ on curvulamine synthesis by marine-derived fungus Curvularia sp. IFB-Z10 under submerged fermentation. Process Biochem 2019. [DOI: 10.1016/j.procbio.2019.03.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Veiter L, Rajamanickam V, Herwig C. The filamentous fungal pellet-relationship between morphology and productivity. Appl Microbiol Biotechnol 2018; 102:2997-3006. [PMID: 29473099 PMCID: PMC5852183 DOI: 10.1007/s00253-018-8818-7] [Citation(s) in RCA: 119] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 01/29/2018] [Accepted: 01/29/2018] [Indexed: 11/28/2022]
Abstract
Filamentous fungi are used for the production of a multitude of highly relevant biotechnological products like citric acid and penicillin. In submerged culture, fungi can either grow in dispersed form or as spherical pellets consisting of aggregated hyphal structures. Pellet morphology, process control and productivity are highly interlinked. On the one hand, process control in a bioreactor usually demands for compact and small pellets due to rheological issues. On the other hand, optimal productivity might be associated with less dense and larger morphology. Over the years, several publications have dealt with aforementioned relations within the confines of specific organisms and products. However, contributions which evaluate such interlinkages across several fungal species are scarce. For this purpose, we are looking into methods to manipulate fungal pellet morphology in relation to individual species and products. This review attempts to address (i) how variability of pellet morphology can be assessed and (ii) how morphology is linked to productivity. Firstly, the mechanism of pellet formation is outlined. Subsequently, the description and analysis of morphological variations are discussed to finally establish interlinkages between productivity, performance and morphology across different fungal species.
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Affiliation(s)
- Lukas Veiter
- Research Area Biochemical Engineering, Institute of Chemical Engineering, TU Wien, Gumpendorfer Straße 1a, 1060, Vienna, Austria.,Christian Doppler Laboratory for Mechanistic and Physiological Methods for Improved Bioprocesses, TU Wien, Gumpendorfer Straße 1a, 1060, Vienna, Austria
| | - Vignesh Rajamanickam
- Research Area Biochemical Engineering, Institute of Chemical Engineering, TU Wien, Gumpendorfer Straße 1a, 1060, Vienna, Austria.,Christian Doppler Laboratory for Mechanistic and Physiological Methods for Improved Bioprocesses, TU Wien, Gumpendorfer Straße 1a, 1060, Vienna, Austria
| | - Christoph Herwig
- Research Area Biochemical Engineering, Institute of Chemical Engineering, TU Wien, Gumpendorfer Straße 1a, 1060, Vienna, Austria. .,Christian Doppler Laboratory for Mechanistic and Physiological Methods for Improved Bioprocesses, TU Wien, Gumpendorfer Straße 1a, 1060, Vienna, Austria.
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Lin J, Zhang X, Song B, Xue W, Su X, Chen X, Dong Z. Improving cellulase production in submerged fermentation by the expression of a Vitreoscilla hemoglobin in Trichoderma reesei. AMB Express 2017; 7:203. [PMID: 29143239 PMCID: PMC5688050 DOI: 10.1186/s13568-017-0507-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Accepted: 11/07/2017] [Indexed: 12/26/2022] Open
Abstract
Trichoderma reesei is well known as an industrial workhorse fungus in cellulase production. The low dissolved oxygen supply in the highly viscous medium of T. reesei remains a major bottleneck that hampers growth and cellulase production in submerged fermentation. Vitreoscilla hemoglobin (VHb) has been demonstrated to improve metabolism and protein production in different heterologous hosts under hypoxic conditions, but the use of VHb in T. reesei remains uninvestigated. This study examines the effect of VHb in improving T. reesei performance in submerged fermentation. The VHb gene (vgb)-expressing cassette was successfully transformed into the TU-6 strain, integrated into the genome of T. reesei, and functionally expressed with biological activity, which was confirmed by carbon monoxide difference analysis. Compared to the parent strain, the expression of VHb increased the glucose consumption rate of the transformant. Moreover, in cellulase-inducing medium total protein secretion of the VHb expressing strain was 2.2-fold of the parental strain and the filter paper cellulase activity was increased by 58% under oxygen-limiting conditions. In summary, our results demonstrate that VHb has beneficial effects on improving total protein secretion and cellulase activity of T. reesei in submerged fermentation.
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Brun T, Rabuske JE, Todero I, Almeida TC, Junior JJD, Ariotti G, Confortin T, Arnemann JA, Kuhn RC, Guedes JVC, Mazutti MA. Production of bioherbicide by Phoma sp. in a stirred-tank bioreactor. 3 Biotech 2016; 6:230. [PMID: 28330302 PMCID: PMC5083679 DOI: 10.1007/s13205-016-0557-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 10/20/2016] [Indexed: 11/29/2022] Open
Abstract
The objective of this work was to produce an herbicide by submerged fermentation in a stirred-tank bioreactor and to assess the potential herbicidal in pre-emergence, post-emergence, and in a detached leaves of Cucumis sativus var species. wisconsin (cucumber) and Sorghum bicolor (sorghum) species. Fermentations were carried out in a stirred-tank bioreactor with useful volume of 3L. Stirring rate (40, 50, and 60 rpm) and aeration (1, 2 and 3 vvm) were the variables studied for bioherbicide production. Fermented broth was fractioned with different solvents to identify the molecules produced by the fungus in a multi-dimensional gas chromatograph system. Bioherbicide showed 100% inhibition of germination of both species in the pre-emergence tests. From detached leaves tests were verified yellowish lesions in Cucumis sativus and necrotic lesions on leaves of Sorghum bicolor. Post-emergence test presented variation of the phytotoxicity from 25 to 66% for the species C. sativus and from 32 to 58% by S. bicolor. The metabolites produced by submerged fermentation of Phoma sp. presented activity in pre-emergence, post-emergence, and detached leaves of C. sativus and S. bicolor and it could be an alternative in the future for weed control.
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Affiliation(s)
- Thiarles Brun
- Department of Chemical Engineering, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Jéssica E Rabuske
- Department of Crop Protection, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Izelmar Todero
- Department of Chemical Engineering, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Thiago C Almeida
- Department of Chemical Engineering, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Jair J D Junior
- Department of Chemical Engineering, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Gustavo Ariotti
- Department of Chemical Engineering, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Tássia Confortin
- Department of Chemical Engineering, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Jonas A Arnemann
- Department of Crop Protection, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Raquel C Kuhn
- Department of Chemical Engineering, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Jerson V C Guedes
- Department of Crop Protection, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97105-900, Brazil
| | - Marcio A Mazutti
- Department of Chemical Engineering, Federal University of Santa Maria, Av. Roraima, 1000, Santa Maria, RS, 97105-900, Brazil.
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Wang L, Li Y, Niu L, Zhang W, Li J, Yang N. Experimental studies and kinetic modeling of the growth of phenol-degrading bacteria in turbulent fluids. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:22711-22720. [PMID: 27557974 DOI: 10.1007/s11356-016-7460-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Accepted: 08/10/2016] [Indexed: 06/06/2023]
Abstract
Understanding the interaction between microorganisms and fluid dynamics is important for aquatic ecosystems, though only sporadic attention has been focused on this topic in the past. In this study, particular attention was paid to the phenol-degrading bacterial strains Microbacterium oxydans LY1 and Alcaligenes faecalis LY2 subjected to controlled fluid flow under laboratory conditions. These two strains were found to be able to degrade phenols over a concentration range from 50 to 500 mg/L under different turbulence conditions ranging from 0 to 250 rpm. The time it took to reach total phenol degradation decreased when the turbulence was increased in both strains, with increasing energy dissipation rates ranging from 0.110 to 6.241 W/kg, corresponding to changes in the bacterial diffusive sublayer thickness (δ) and enhanced oxygen uptake. Moreover, the maximum specific growth rates of the two strains also increased with the enhancement of turbulence. A model integrating growth inhibition and fluid motion was proposed based on the self-inhibition Haldane model by introducing a turbulence parameter, α. The resulting modified Haldane model was designed to include fluid motion as a variable in the quantification of the physiological responses of microorganisms. This modified Haldane model could be considered a useful laboratory reference when modeling procedures for water environment bioremediation. Graphical abstract Cell nutrition uptake cartoon schematic diagram for M. oxydans LY1 under different turbulent condition (50 and 200 rpm).
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Affiliation(s)
- Linqiong Wang
- Key Laboratory of Integrated Regulation and Resource Development of Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Xikang Road #1, Nanjing, 210098, People's Republic of China
| | - Yi Li
- Key Laboratory of Integrated Regulation and Resource Development of Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Xikang Road #1, Nanjing, 210098, People's Republic of China.
| | - Lihua Niu
- Key Laboratory of Integrated Regulation and Resource Development of Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Xikang Road #1, Nanjing, 210098, People's Republic of China
| | - Wenlong Zhang
- Key Laboratory of Integrated Regulation and Resource Development of Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Xikang Road #1, Nanjing, 210098, People's Republic of China
| | - Jie Li
- Key Laboratory of Integrated Regulation and Resource Development of Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Xikang Road #1, Nanjing, 210098, People's Republic of China
| | - Nan Yang
- Key Laboratory of Integrated Regulation and Resource Development of Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Xikang Road #1, Nanjing, 210098, People's Republic of China
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