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Landeta C, Medina-Ortiz D, Escobar N, Valdez I, González-Troncoso MP, Álvares-Saravia D, Aldridge J, Gómez C, Lienqueo ME. Integrative workflows for the characterization of hydrophobin and cerato-platanin in the marine fungus Paradendryphiella salina. Arch Microbiol 2024; 206:385. [PMID: 39177836 DOI: 10.1007/s00203-024-04087-0] [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: 05/17/2024] [Revised: 07/03/2024] [Accepted: 07/19/2024] [Indexed: 08/24/2024]
Abstract
Hydrophobins (HFBs) and cerato-platanins (CPs) are surface-active extracellular proteins produced by filamentous fungi. This study identified two HFB genes (pshyd1 and pshyd2) and one CP gene (pscp) in the marine fungus Paradendryphiella salina. The proteins PsCP, PsHYD2, and PsHYD1 had molecular weights of 12.70, 6.62, and 5.98 kDa, respectively, with isoelectric points below 7. PsHYD1 and PsHYD2 showed hydrophobicity (GRAVY score 0.462), while PsCP was hydrophilic (GRAVY score - 0.202). Stability indices indicated in-solution stability. Mass spectrometry identified 2,922 proteins, including CP but not HFB proteins. qPCR revealed differential gene expression influenced by developmental stage and substrate, with pshyd1 consistently expressed. These findings suggest P. salina's adaptation to marine ecosystems with fewer hydrophobin genes than other fungi but capable of producing surface-active proteins from seaweed carbohydrates. These proteins have potential applications in medical biocoatings, food industry foam stabilizers, and environmental bioremediation.
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Affiliation(s)
- Catalina Landeta
- Center for Biotechnology and Bioengineering (CeBiB), Department of Chemical Engineering, Biotechnology, and Materials, Faculty of Physical and Mathematical Sciences, University of Chile, Santiago, Beauchef, 851- 8370456, Chile
| | - David Medina-Ortiz
- Center for Biotechnology and Bioengineering (CeBiB), Department of Chemical Engineering, Biotechnology, and Materials, Faculty of Physical and Mathematical Sciences, University of Chile, Santiago, Beauchef, 851- 8370456, Chile
- Department of Computer Engineering, Faculty of Engineering, University of Magallanes, Av. Pdte. Manuel Bulnes 01855, Punta Arenas, Chile
| | - Natalia Escobar
- Microbiology, Department of Biology, Utrecht University, Utrecht, Netherlands
| | - Iván Valdez
- Microbiology, Department of Biology, Utrecht University, Utrecht, Netherlands
| | - María Paz González-Troncoso
- Center for Biotechnology and Bioengineering (CeBiB), Department of Chemical Engineering, Biotechnology, and Materials, Faculty of Physical and Mathematical Sciences, University of Chile, Santiago, Beauchef, 851- 8370456, Chile
| | - Diego Álvares-Saravia
- Teaching and Research Assistance Center, CADI, University of Magallanes, Av. los Flamencos, Punta Arenas, 01364, Chile
| | - Jacqueline Aldridge
- Department of Computer Engineering, Faculty of Engineering, University of Magallanes, Av. Pdte. Manuel Bulnes 01855, Punta Arenas, Chile
| | - Carlos Gómez
- Chemistry Department, University of Valle-Yumbo, Valle del Cauca, 760501, Chile
| | - María Elena Lienqueo
- Center for Biotechnology and Bioengineering (CeBiB), Department of Chemical Engineering, Biotechnology, and Materials, Faculty of Physical and Mathematical Sciences, University of Chile, Santiago, Beauchef, 851- 8370456, Chile.
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Oraby أميرة عرابي A, Weickardt I, Zibek S. Foam Fractionation Methods in Aerobic Fermentation Processes. Biotechnol Bioeng 2022; 119:1697-1711. [PMID: 35394649 DOI: 10.1002/bit.28102] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 03/01/2022] [Accepted: 03/27/2022] [Indexed: 11/07/2022]
Abstract
Inherently occurring foam formation during aerobic fermentations of surface-active compounds can be exploited by fractionating the foam. This also serves as the first downstream processing step for product concentration and is used for in situ product recovery. Compared to other foam prevention methods, it does not interfere with fermentation parameters or alter broth composition. Nevertheless, parameters affecting the foaming behaviour are complex. Therefore, the specific foam fractionation designs need to be engineered for each fermentation individually. This still hinders a widespread industrial application. However, few available commercial approaches demonstrate the applicability of foam columns on an industrial scale. This systematic literature review highlights relevant design aspects and process demands that need to be considered for an application to fermentations and proposes a classification of foam fractionation designs and methods. It further analyses substance-specific characteristics associated with foam fractionation. Finally, solutions for current challenges are presented, and future perspectives are discussed. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Amira Oraby أميرة عرابي
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany.,Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Isabell Weickardt
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Susanne Zibek
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany.,Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
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3
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Berger BW, Sallada ND. Hydrophobins: multifunctional biosurfactants for interface engineering. J Biol Eng 2019; 13:10. [PMID: 30679947 PMCID: PMC6343262 DOI: 10.1186/s13036-018-0136-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 12/19/2018] [Indexed: 11/10/2022] Open
Abstract
Hydrophobins are highly surface-active proteins that have versatile potential as agents for interface engineering. Due to the large and growing number of unique hydrophobin sequences identified, there is growing potential to engineer variants for particular applications using protein engineering and other approaches. Recent applications and advancements in hydrophobin technologies and production strategies are reviewed. The application space of hydrophobins is large and growing, including hydrophobic drug solubilization and delivery, protein purification tags, tools for protein and cell immobilization, antimicrobial coatings, biosensors, biomineralization templates and emulsifying agents. While there is significant promise for their use in a wide range of applications, developing new production strategies is a key need to improve on low recombinant yields to enable their use in broader applications; further optimization of expression systems and yields remains a challenge in order to use designed hydrophobin in commercial applications.
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Affiliation(s)
- Bryan W. Berger
- Department of Biomedical Engineering, University of Virginia, Thornton Hall, P.O. Box 400259, Charlottesville, VA 22904 USA
- Department of Chemical Engineering, University of Virginia, 214 Chem. Eng., 102 Engineers’ Way, Charlottesville, VA 22904 USA
| | - Nathanael D. Sallada
- Department of Biomedical Engineering, University of Virginia, Thornton Hall, P.O. Box 400259, Charlottesville, VA 22904 USA
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Sallada ND, Dunn KJ, Berger BW. A Structural and Functional Role for Disulfide Bonds in a Class II Hydrophobin. Biochemistry 2018; 57:645-653. [DOI: 10.1021/acs.biochem.7b01166] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nathanael D. Sallada
- Department
of Bioengineering, Lehigh University, 111 Research Drive, Bethlehem, Pennsylvania 18015, United States
| | - Kerri J. Dunn
- Department
of Chemical and Biomolecular Engineering, Lehigh University, 111
Research Drive, Bethlehem, Pennsylvania 18015, United States
| | - Bryan W. Berger
- Department
of Chemical and Biomolecular Engineering, Lehigh University, 111
Research Drive, Bethlehem, Pennsylvania 18015, United States
- Department
of Bioengineering, Lehigh University, 111 Research Drive, Bethlehem, Pennsylvania 18015, United States
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Pichia pastoris is a Suitable Host for the Heterologous Expression of Predicted Class I and Class II Hydrophobins for Discovery, Study, and Application in Biotechnology. Microorganisms 2018; 6:microorganisms6010003. [PMID: 29303996 PMCID: PMC5874617 DOI: 10.3390/microorganisms6010003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 12/15/2017] [Accepted: 12/29/2017] [Indexed: 11/17/2022] Open
Abstract
The heterologous expression of proteins is often a crucial first step in not only investigating their function, but also in their industrial application. The functional assembly and aggregation of hydrophobins offers intriguing biotechnological applications from surface modification to drug delivery, yet make developing systems for their heterologous expression challenging. In this article, we describe the development of Pichia pastoris KM71H strains capable of solubly producing the full set of predicted Cordyceps militaris hydrophobins CMil1 (Class IA), CMil2 (Class II), and CMil3 (IM) at mg/L yields with the use of 6His-tags not only for purification but for their detection. This result further demonstrates the feasibility of using P. pastoris as a host organism for the production of hydrophobins from all Ascomycota Class I subdivisions (a classification our previous work defined) as well as Class II. We highlight the specific challenges related to the production of hydrophobins, notably the challenge in detecting the protein that will be described, in particular during the screening of transformants. Together with the literature, our results continue to show that P. pastoris is a suitable host for the soluble heterologous expression of hydrophobins with a wide range of properties.
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Przylucka A, Akcapinar GB, Bonazza K, Mello-de-Sousa TM, Mach-Aigner AR, Lobanov V, Grothe H, Kubicek CP, Reimhult E, Druzhinina IS. COMPARATIVE PHYSIOCHEMICAL ANALYSIS OF HYDROPHOBINS PRODUCED IN ESCHERICHIA COLI AND PICHIA PASTORIS. Colloids Surf B Biointerfaces 2017; 159:913-923. [DOI: 10.1016/j.colsurfb.2017.08.058] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 07/16/2017] [Accepted: 08/28/2017] [Indexed: 01/24/2023]
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Ata Ö, Prielhofer R, Gasser B, Mattanovich D, Çalık P. Transcriptional engineering of the glyceraldehyde-3-phosphate dehydrogenase promoter for improved heterologous protein production in Pichia pastoris. Biotechnol Bioeng 2017. [PMID: 28650069 DOI: 10.1002/bit.26363] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The constitutive glyceraldehyde-3-phosphate dehydrogenase promoter (PGAP ), which is one of the benchmark promoters of Pichia pastoris, was analyzed in terms of putative transcription factor binding sites. We constructed a synthetic library with distinct regulatory properties through deletion and duplication of these putative transcription factor binding sites and selected transcription factor (TF) genes were overexpressed or deleted to understand their roles on heterologous protein production. Using enhanced green fluorescent protein, an expression strength in a range between 0.35- and 3.10-fold of the wild-type PGAP was obtained. Another model protein, recombinant human growth hormone was produced under control of selected promoter variants and 1.6- to 2.4-fold higher product titers were reached compared to wild-type PGAP . In addition, a GAL4-like TF was found to be a crucial factor for the regulation of PGAP , and its overexpression enhanced the heterologous protein production considerably (up to 2.2-fold compared to the parental strain). The synthetic PGAP library generated enabled us to investigate the different putative transcription factors which are responsible for the regulation of PGAP under different growth conditions, ergo recombinant protein production under PGAP . Biotechnol. Bioeng. 2017;114: 2319-2327. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Özge Ata
- Department of Biotechnology, Graduate School of Natural and Applied Sciences, Middle East Technical University, Ankara 06800, Turkey.,Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Roland Prielhofer
- Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria.,Austrian Centre of Industrial Biotechnology (ACIB), Vienna, Austria
| | - Brigitte Gasser
- Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria.,Austrian Centre of Industrial Biotechnology (ACIB), Vienna, Austria
| | - Diethard Mattanovich
- Department of Biotechnology, University of Natural Resources and Life Sciences, Vienna, Austria.,Austrian Centre of Industrial Biotechnology (ACIB), Vienna, Austria
| | - Pınar Çalık
- Department of Biotechnology, Graduate School of Natural and Applied Sciences, Middle East Technical University, Ankara 06800, Turkey.,Department of Chemical Engineering, Industrial Biotechnology and Metabolic Engineering Laboratory, Middle East Technical University, Ankara, Turkey
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Hydrophobin-Based Surface Engineering for Sensitive and Robust Quantification of Yeast Pheromones. SENSORS 2016; 16:s16050602. [PMID: 27128920 PMCID: PMC4883293 DOI: 10.3390/s16050602] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 03/31/2016] [Accepted: 04/20/2016] [Indexed: 02/05/2023]
Abstract
Detection and quantification of small peptides, such as yeast pheromones, are often challenging. We developed a highly sensitive and robust affinity-assay for the quantification of the α-factor pheromone of Saccharomyces cerevisiae based on recombinant hydrophobins. These small, amphipathic proteins self-assemble into highly stable monolayers at hydrophilic-hydrophobic interfaces. Upon functionalization of solid supports with a combination of hydrophobins either lacking or exposing the α-factor, pheromone-specific antibodies were bound to the surface. Increasing concentrations of the pheromone competitively detached the antibodies, thus allowing for quantification of the pheromone. By adjusting the percentage of pheromone-exposing hydrophobins, the sensitivity of the assay could be precisely predefined. The assay proved to be highly robust against changes in sample matrix composition. Due to the high stability of hydrophobin layers, the functionalized surfaces could be repeatedly used without affecting the sensitivity. Furthermore, by using an inverse setup, the sensitivity was increased by three orders of magnitude, yielding a novel kind of biosensor for the yeast pheromone with the lowest limit of detection reported so far. This assay was applied to study the pheromone secretion of diverse yeast strains including a whole-cell biosensor strain of Schizosaccharomyces pombe modulating α-factor secretion in response to an environmental signal.
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Heterologous expression of a hydrophobin HFB1 and evaluation of its contribution to producing stable foam. Protein Expr Purif 2015; 118:25-30. [PMID: 26431799 DOI: 10.1016/j.pep.2015.09.025] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Revised: 09/22/2015] [Accepted: 09/25/2015] [Indexed: 11/23/2022]
Abstract
Hydrophobins are small secreted proteins belong to filamentous fungi. These proteins possess a unique ability to self-assemble at air/water interfaces. Hydrophobins have a broad range of biotechnological applications such as stabilizing emulsions and foams, immobilizing proteins on a surface, designing biosensors, affinity tag for protein purification, and drug delivery. We have successfully expressed HFB1 from Trichoderma reesei belonged to class II of hydrophobins in Pichia pastoris. The recombinant gene was under the control of the methanol-inducible AOX1 promoter (alcohol oxidase 1) in the pPICZAα vector. The amount of secreted HFB1 was increased in 90-h using methanol induction. The recombinant HFB1 was purified based on the presence of His-tag and foam formation. Furthermore, HFB1 was able to produce macro and micro stable air bubbles in the liquid due to the presence of hydrophobic patches on its surface. The liquid medium containing HFB1 becomes turbid after shaking, and then the stable bubbles are formed and remained for three weeks.
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11
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Çalık P, Ata Ö, Güneş H, Massahi A, Boy E, Keskin A, Öztürk S, Zerze GH, Özdamar TH. Recombinant protein production in Pichia pastoris under glyceraldehyde-3-phosphate dehydrogenase promoter: From carbon source metabolism to bioreactor operation parameters. Biochem Eng J 2015. [DOI: 10.1016/j.bej.2014.12.003] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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12
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Cui X, Zhang D, Zheng H, Wu Z, Cui S, Dong K. Study on the process of fermentation coupling with foam fractionation and membrane module for nisin production. ASIA-PAC J CHEM ENG 2014. [DOI: 10.1002/apj.1794] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xiaoying Cui
- School of Chemical Engineering & Technology; Hebei University of Technology; Tianjin 300130 P. R. China
| | - Da Zhang
- School of Chemical Engineering & Technology; Hebei University of Technology; Tianjin 300130 P. R. China
| | - Huijie Zheng
- School of Chemical Engineering & Technology; Hebei University of Technology; Tianjin 300130 P. R. China
| | - Zhaoliang Wu
- School of Chemical Engineering & Technology; Hebei University of Technology; Tianjin 300130 P. R. China
| | - Shaofei Cui
- School of Chemical Engineering & Technology; Hebei University of Technology; Tianjin 300130 P. R. China
| | - Kai Dong
- School of Chemical Engineering & Technology; Hebei University of Technology; Tianjin 300130 P. R. China
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Ren Q, Kwan AH, Sunde M. Two forms and two faces, multiple states and multiple uses: Properties and applications of the self-assembling fungal hydrophobins. Biopolymers 2013; 100:601-12. [DOI: 10.1002/bip.22259] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Accepted: 04/08/2013] [Indexed: 01/20/2023]
Affiliation(s)
- Qin Ren
- Discipline of Pharmacology, School of Medical Sciences; University of Sydney; New South Wales 2006 Australia
| | - Ann H. Kwan
- School of Molecular Bioscience; University of Sydney; New South Wales 2006 Australia
| | - Margaret Sunde
- Discipline of Pharmacology, School of Medical Sciences; University of Sydney; New South Wales 2006 Australia
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Poly(ɛ-caprolactone) modified with fusion protein containing self-assembled hydrophobin and functional peptide for selective capture of human blood outgrowth endothelial cells. Colloids Surf B Biointerfaces 2013; 101:361-9. [DOI: 10.1016/j.colsurfb.2012.06.034] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2012] [Revised: 06/25/2012] [Accepted: 06/26/2012] [Indexed: 12/22/2022]
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