1
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Škulj S, Kožić M, Barišić A, Vega A, Biarnés X, Piantanida I, Barisic I, Bertoša B. Comparison of two peroxidases with high potential for biotechnology applications - HRP vs. APEX2. Comput Struct Biotechnol J 2024; 23:742-751. [PMID: 38298178 PMCID: PMC10828542 DOI: 10.1016/j.csbj.2024.01.001] [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: 10/01/2023] [Revised: 01/01/2024] [Accepted: 01/01/2024] [Indexed: 02/02/2024] Open
Abstract
Peroxidases are essential elements in many biotechnological applications. An especially interesting concept involves split enzymes, where the enzyme is separated into two smaller and inactive proteins that can dimerize into a fully active enzyme. Such split forms were developed for the horseradish peroxidase (HRP) and ascorbate peroxidase (APX) already. Both peroxidases have a high potential for biotechnology applications. In the present study, we performed biophysical comparisons of these two peroxidases and their split analogues. The active site availability is similar for all four structures. The split enzymes are comparable in stability with their native analogues, meaning that they can be used for further biotechnology applications. Also, the tertiary structures of the two peroxidases are similar. However, differences that might help in choosing one system over another for biotechnology applications were noticed. The main difference between the two systems is glycosylation which is not present in the case of APX/sAPEX2, while it has a high impact on the HRP/sHRP stability. Further differences are calcium ions and cysteine bridges that are present only in the case of HRP/sHRP. Finally, computational results identified sAPEX2 as the systems with the smallest structural variations during molecular dynamics simulations showing its dominant stability comparing to other simulated proteins. Taken all together, the sAPEX2 system has a high potential for biotechnological applications due to the lack of glycans and cysteines, as well as due to high stability.
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Affiliation(s)
- Sanja Škulj
- Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, Zagreb HR-10000, Croatia
- Institute of Physiology, Pathophysiology and Biophysics, Department of Biomedical Sciences, University of Veterinary Medicine Vienna, 1210 Vienna, Austria
| | - Matej Kožić
- Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, Zagreb HR-10000, Croatia
| | - Antun Barišić
- Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, Zagreb HR-10000, Croatia
| | - Aitor Vega
- Laboratory of Biochemistry, Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta 390, 08017 Barcelona, Spain
| | - Xevi Biarnés
- Laboratory of Biochemistry, Institut Químic de Sarrià, Universitat Ramon Llull, Via Augusta 390, 08017 Barcelona, Spain
| | - Ivo Piantanida
- Division of Organic Chemistry & Biochemistry, Ruđer Bošković Institute, Bijenička Cesta 54, 10 000 Zagreb, Croatia
| | - Ivan Barisic
- Molecular Diagnostics, Center for Health and Bioresources, AIT Austrian Institute of Technology GmbH, Giefinggasse 4, Vienna 1210, Austria
- Eko Refugium, Crno Vrelo 2, Slunj 47240, Croatia
| | - Branimir Bertoša
- Department of Chemistry, Faculty of Science, University of Zagreb, Horvatovac 102a, Zagreb HR-10000, Croatia
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2
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Zhu Q, Jia Z, Song Y, Dou W, Scharf DH, Wu X, Xu Z, Guan W. Impact of PpSpi1, a glycosylphosphatidylinositol-anchored cell wall glycoprotein, on cell wall defects of N-glycosylation-engineered Pichia pastoris. mBio 2023; 14:e0061723. [PMID: 37606451 PMCID: PMC10653784 DOI: 10.1128/mbio.00617-23] [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: 03/14/2023] [Accepted: 06/14/2023] [Indexed: 08/23/2023] Open
Abstract
IMPORTANCE Engineering of biological pathways in various microorganisms is a promising direction for biotechnology. Since the existing microbial cells have evolved over a long period of time, any artificial engineering may cause some unexpected and harmful effects on them. Systematically studying and evaluating these engineered strains are very important and necessary. In order to produce therapeutic proteins with human-like N-glycan structures, much progress has been achieved toward the humanization of N-glycosylation pathways in yeasts. The properties of a P. pastoris strain with humanized N-glycosylation machinery were carefully evaluated in this study. Our work has identified a key glycoprotein (PpSpi1) responsible for the poor growth and morphological defects of this glycoengineered strain. Overexpression of PpSpi1 could significantly rescue the growth defect of the glycoengineered P. pastoris and facilitate its future industrial applications.
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Affiliation(s)
- Quanchao Zhu
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zuyuan Jia
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yuchao Song
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Weiwang Dou
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Daniel Henry Scharf
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- China Zhejiang Provincial Key Laboratory for Microbial Biochemistry and Metabolic Engineering, Hangzhou, China
| | - Xiaodan Wu
- Analysis Center of Agrobiology and Environmental Science of Zhejiang University, Hangzhou, China
| | - Zhihao Xu
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wenjun Guan
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
- China Zhejiang Provincial Key Laboratory for Microbial Biochemistry and Metabolic Engineering, Hangzhou, China
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3
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Popova LG, Khramov DE, Nedelyaeva OI, Volkov VS. Yeast Heterologous Expression Systems for the Study of Plant Membrane Proteins. Int J Mol Sci 2023; 24:10768. [PMID: 37445944 DOI: 10.3390/ijms241310768] [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: 04/28/2023] [Revised: 06/23/2023] [Accepted: 06/26/2023] [Indexed: 07/15/2023] Open
Abstract
Researchers are often interested in proteins that are present in cells in small ratios compared to the total amount of proteins. These proteins include transcription factors, hormones and specific membrane proteins. However, sufficient amounts of well-purified protein preparations are required for functional and structural studies of these proteins, including the creation of artificial proteoliposomes and the growth of protein 2D and 3D crystals. This aim can be achieved by the expression of the target protein in a heterologous system. This review describes the applications of yeast heterologous expression systems in studies of plant membrane proteins. An initial brief description introduces the widely used heterologous expression systems of the baker's yeast Saccharomyces cerevisiae and the methylotrophic yeast Pichia pastoris. S. cerevisiae is further considered a convenient model system for functional studies of heterologously expressed proteins, while P. pastoris has the advantage of using these yeast cells as factories for producing large quantities of proteins of interest. The application of both expression systems is described for functional and structural studies of membrane proteins from plants, namely, K+- and Na+-transporters, various ATPases and anion transporters, and other transport proteins.
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Affiliation(s)
- Larissa G Popova
- K.A. Timiryazev Institute of Plant Physiology RAS, 127276 Moscow, Russia
| | - Dmitrii E Khramov
- K.A. Timiryazev Institute of Plant Physiology RAS, 127276 Moscow, Russia
| | - Olga I Nedelyaeva
- K.A. Timiryazev Institute of Plant Physiology RAS, 127276 Moscow, Russia
| | - Vadim S Volkov
- K.A. Timiryazev Institute of Plant Physiology RAS, 127276 Moscow, Russia
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4
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Ban Ž, Barišić A, Crnolatac I, Kazazić S, Škulj S, Savini F, Bertoša B, Barišić I, Piantanida I. Highly selective preparation of N-terminus Horseradish peroxidase-DNA conjugate with fully retained enzymatic activity: HRP-DNA structure - activity relation. Enzyme Microb Technol 2023; 168:110257. [PMID: 37209508 DOI: 10.1016/j.enzmictec.2023.110257] [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: 01/24/2023] [Revised: 05/10/2023] [Accepted: 05/11/2023] [Indexed: 05/22/2023]
Abstract
Within the last decade, the field of bio-nanoengineering has achieved significant advances allowing us to generate, e.g., nanoscaled molecular machineries with arbitrary shapes. To unleash the full potential of novel methods such as DNA origami technology, it is important to functionalise complex molecules and nanostructures precisely. Thus, considerable attention has been given to site-selective modifications of proteins allowing further incorporation of various functionalities. Here, we describe a method for the covalent attachment of oligonucleotides to the glycosylated horseradish peroxidase protein (HRP) with high N-terminus selectivity and significant yield while conserving the enzymatic activity. This two-step process includes a pH-controlled metal-free diazotransfer reaction using imidazole-1-sulfonyl azide hydrogen sulfate, which at pH 8.5 results in an N-terminal azide-functionalized protein, followed by the Cu-free click SPAAC reaction to dibenzocyclooctyne- (DBCO) modified oligonucleotides. The reaction conditions were optimised to achieve maximum yield and the best performance. The resulting protein-oligonucleotide conjugates (HRP-DNA) were characterised by electrophoresis and mass spectrometry (MS). Native-PAGE experiments demonstrated different migration patterns for HRP-DNA and the azido-modified protein allowing zymogram experiments. Structure-activity relationships of novel HRP-DNA conjugates were assessed using molecular dynamics simulations, characterising the molecular interactions that define the structural and dynamical properties of the obtained protein-oligonucleotide conjugates (POC).
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Affiliation(s)
- Željka Ban
- Division of Organic Chemistry & Biochemistry, Ruđer Bošković Institute, Zagreb, Croatia
| | - Antun Barišić
- Department of Chemistry, Faculty of Science, University of Zagreb, Zagreb, Croatia
| | - Ivo Crnolatac
- Division of Organic Chemistry & Biochemistry, Ruđer Bošković Institute, Zagreb, Croatia.
| | - Saša Kazazić
- Division of Organic Chemistry & Biochemistry, Ruđer Bošković Institute, Zagreb, Croatia
| | - Sanja Škulj
- Department of Chemistry, Faculty of Science, University of Zagreb, Zagreb, Croatia
| | | | - Branimir Bertoša
- Department of Chemistry, Faculty of Science, University of Zagreb, Zagreb, Croatia.
| | - Ivan Barišić
- AIT Austrian Institute of Technology,Vienna, Austria.
| | - Ivo Piantanida
- Division of Organic Chemistry & Biochemistry, Ruđer Bošković Institute, Zagreb, Croatia
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5
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Offei B, Braun-Galleani S, Venkatesh A, Casey WT, O’Connor KE, Byrne KP, Wolfe KH. Identification of genetic variants of the industrial yeast Komagataella phaffii (Pichia pastoris) that contribute to increased yields of secreted heterologous proteins. PLoS Biol 2022; 20:e3001877. [PMID: 36520709 PMCID: PMC9754263 DOI: 10.1371/journal.pbio.3001877] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 10/13/2022] [Indexed: 12/23/2022] Open
Abstract
The yeast Komagataella phaffii (formerly called Pichia pastoris) is used widely as a host for secretion of heterologous proteins, but only a few isolates of this species exist and all the commonly used expression systems are derived from a single genetic background, CBS7435 (NRRL Y-11430). We hypothesized that other genetic backgrounds could harbor variants that affect yields of secreted proteins. We crossed CBS7435 with 2 other K. phaffii isolates and mapped quantitative trait loci (QTLs) for secretion of a heterologous protein, β-glucosidase, by sequencing individual segregant genomes. A major QTL mapped to a frameshift mutation in the mannosyltransferase gene HOC1, which gives CBS7435 a weaker cell wall and higher protein secretion than the other isolates. Inactivation of HOC1 in the other isolates doubled β-glucosidase secretion. A second QTL mapped to an amino acid substitution in IRA1 that tripled β-glucosidase secretion in 1-week batch cultures but reduced cell viability, and its effects are specific to this heterologous protein. Our results demonstrate that QTL analysis is a powerful method for dissecting the basis of biotechnological traits in nonconventional yeasts, and a route to improving their industrial performance.
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Affiliation(s)
- Benjamin Offei
- UCD Conway Institute and School of Medicine, University College Dublin, Dublin, Ireland
| | - Stephanie Braun-Galleani
- UCD Conway Institute and School of Medicine, University College Dublin, Dublin, Ireland
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile
| | - Anjan Venkatesh
- UCD Conway Institute and School of Medicine, University College Dublin, Dublin, Ireland
| | - William T. Casey
- Bioplastech Ltd., NovaUCD, Belfield Innovation Park, University College Dublin, Dublin, Ireland
| | - Kevin E. O’Connor
- UCD Earth Institute and School of Biomolecular & Biomedical Science, University College Dublin, Dublin, Ireland
- BiOrbic Bioeconomy SFI Research Centre, University College Dublin, Dublin, Ireland
| | - Kevin P. Byrne
- UCD Conway Institute and School of Medicine, University College Dublin, Dublin, Ireland
| | - Kenneth H. Wolfe
- UCD Conway Institute and School of Medicine, University College Dublin, Dublin, Ireland
- * E-mail:
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6
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Eigenfeld M, Kerpes R, Whitehead I, Becker T. Autofluorescence prediction model for fluorescence unmixing and age determination. Biotechnol J 2022; 17:e2200091. [DOI: 10.1002/biot.202200091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 10/11/2022] [Accepted: 10/12/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Marco Eigenfeld
- Technical University of Munich, School of Life Science Institute of Brewing and Beverage Technology Freising Germany
| | - Roland Kerpes
- Technical University of Munich, School of Life Science Institute of Brewing and Beverage Technology Freising Germany
| | - Iain Whitehead
- Technical University of Munich, School of Life Science Institute of Brewing and Beverage Technology Freising Germany
| | - Thomas Becker
- Technical University of Munich, School of Life Science Institute of Brewing and Beverage Technology Freising Germany
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7
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Rinnofner C, Felber M, Pichler H. Strains and Molecular Tools for Recombinant Protein Production in Pichia pastoris. Methods Mol Biol 2022; 2513:79-112. [PMID: 35781201 DOI: 10.1007/978-1-0716-2399-2_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] [Indexed: 06/15/2023]
Abstract
Within the last two decades, the methylotrophic yeast Pichia pastoris (Komagataella phaffii) has become an important alternative to E. coli or mammalian cell lines for the production of recombinant proteins. Easy handling, strong promoters, and high cell density cultivations as well as the capability of posttranslational modifications are some of the major benefits of this yeast. The high secretion capacity and low level of endogenously secreted proteins further promoted the rapid development of a versatile Pichia pastoris toolbox. This chapter reviews common and new "Pichia tools" and their specific features. Special focus is given to expression strains, such as different methanol utilization, protease-deficient or glycoengineered strains, combined with application highlights. Different promoters and signal sequences are also discussed.
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Affiliation(s)
- Claudia Rinnofner
- Austrian Centre of Industrial Biotechnology (ACIB), Graz, Austria.
- Bisy GmbH, Hofstaetten/Raab, Austria.
| | - Michael Felber
- Austrian Centre of Industrial Biotechnology (ACIB), Graz, Austria
| | - Harald Pichler
- Austrian Centre of Industrial Biotechnology (ACIB), Graz, Austria
- Institute of Molecular Biotechnology, Graz University of Technology, Graz, Austria
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8
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Ata Ö, Ergün BG, Fickers P, Heistinger L, Mattanovich D, Rebnegger C, Gasser B. What makes Komagataella phaffii non-conventional? FEMS Yeast Res 2021; 21:6440159. [PMID: 34849756 PMCID: PMC8709784 DOI: 10.1093/femsyr/foab059] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 11/23/2021] [Indexed: 12/30/2022] Open
Abstract
The important industrial protein production host Komagataella phaffii (syn Pichia pastoris) is classified as a non-conventional yeast. But what exactly makes K. phaffii non-conventional? In this review, we set out to address the main differences to the 'conventional' yeast Saccharomyces cerevisiae, but also pinpoint differences to other non-conventional yeasts used in biotechnology. Apart from its methylotrophic lifestyle, K. phaffii is a Crabtree-negative yeast species. But even within the methylotrophs, K. phaffii possesses distinct regulatory features such as glycerol-repression of the methanol-utilization pathway or the lack of nitrate assimilation. Rewiring of the transcriptional networks regulating carbon (and nitrogen) source utilization clearly contributes to our understanding of genetic events occurring during evolution of yeast species. The mechanisms of mating-type switching and the triggers of morphogenic phenotypes represent further examples for how K. phaffii is distinguished from the model yeast S. cerevisiae. With respect to heterologous protein production, K. phaffii features high secretory capacity but secretes only low amounts of endogenous proteins. Different to S. cerevisiae, the Golgi apparatus of K. phaffii is stacked like in mammals. While it is tempting to speculate that Golgi architecture is correlated to the high secretion levels or the different N-glycan structures observed in K. phaffii, there is recent evidence against this. We conclude that K. phaffii is a yeast with unique features that has a lot of potential to explore both fundamental research questions and industrial applications.
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Affiliation(s)
- Özge Ata
- Department of Biotechnology, Institute of Microbiology and Microbial Biotechnology, University of Natural Resources and Life Sciences Vienna (BOKU), Muthgasse 18, 1190 Vienna, Austria.,Austrian Centre of Industrial Biotechnology (ACIB), Muthgasse 11, 1190 Vienna, Austria
| | - Burcu Gündüz Ergün
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara, Turkey.,Biotechnology Research Center, Ministry of Agriculture and Forestry, Ankara, Turkey
| | - Patrick Fickers
- Microbial Processes and Interactions, TERRA Teaching and Research Centre, Gembloux Agro-Bio Tech, University of Liège, Av. de la Faculté 2B, 5030 Gembloux, Belgium
| | - Lina Heistinger
- Department of Biotechnology, Institute of Microbiology and Microbial Biotechnology, University of Natural Resources and Life Sciences Vienna (BOKU), Muthgasse 18, 1190 Vienna, Austria.,Austrian Centre of Industrial Biotechnology (ACIB), Muthgasse 11, 1190 Vienna, Austria.,Christian Doppler Laboratory for Innovative Immunotherapeutics, University of Natural Resources and Life Sciences (BOKU), Muthgasse 18, 1190 Vienna, Austria
| | - Diethard Mattanovich
- Department of Biotechnology, Institute of Microbiology and Microbial Biotechnology, University of Natural Resources and Life Sciences Vienna (BOKU), Muthgasse 18, 1190 Vienna, Austria.,Austrian Centre of Industrial Biotechnology (ACIB), Muthgasse 11, 1190 Vienna, Austria
| | - Corinna Rebnegger
- Department of Biotechnology, Institute of Microbiology and Microbial Biotechnology, University of Natural Resources and Life Sciences Vienna (BOKU), Muthgasse 18, 1190 Vienna, Austria.,Austrian Centre of Industrial Biotechnology (ACIB), Muthgasse 11, 1190 Vienna, Austria.,Christian Doppler Laboratory for Growth-Decoupled Protein Production in Yeast, University of Natural Resources and Life Sciences Vienna (BOKU), Muthgasse 18, 1190 Vienna, Austria
| | - Brigitte Gasser
- Department of Biotechnology, Institute of Microbiology and Microbial Biotechnology, University of Natural Resources and Life Sciences Vienna (BOKU), Muthgasse 18, 1190 Vienna, Austria.,Austrian Centre of Industrial Biotechnology (ACIB), Muthgasse 11, 1190 Vienna, Austria.,Biotechnology Research Center, Ministry of Agriculture and Forestry, Ankara, Turkey
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9
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Schepens B, van Schie L, Nerinckx W, Roose K, Van Breedam W, Fijalkowska D, Devos S, Weyts W, De Cae S, Vanmarcke S, Lonigro C, Eeckhaut H, Van Herpe D, Borloo J, Oliveira AF, Catani JPP, Creytens S, De Vlieger D, Michielsen G, Marchan JCZ, Moschonas GD, Rossey I, Sedeyn K, Van Hecke A, Zhang X, Langendries L, Jacobs S, Ter Horst S, Seldeslachts L, Liesenborghs L, Boudewijns R, Thibaut HJ, Dallmeier K, Velde GV, Weynand B, Beer J, Schnepf D, Ohnemus A, Remory I, Foo CS, Abdelnabi R, Maes P, Kaptein SJF, Rocha-Pereira J, Jochmans D, Delang L, Peelman F, Staeheli P, Schwemmle M, Devoogdt N, Tersago D, Germani M, Heads J, Henry A, Popplewell A, Ellis M, Brady K, Turner A, Dombrecht B, Stortelers C, Neyts J, Callewaert N, Saelens X. An affinity-enhanced, broadly neutralizing heavy chain-only antibody protects against SARS-CoV-2 infection in animal models. Sci Transl Med 2021; 13:eabi7826. [PMID: 34609205 PMCID: PMC9924070 DOI: 10.1126/scitranslmed.abi7826] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Broadly neutralizing antibodies are an important treatment for individuals with coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Antibody-based therapeutics are also essential for pandemic preparedness against future Sarbecovirus outbreaks. Camelid-derived single domain antibodies (VHHs) exhibit potent antimicrobial activity and are being developed as SARS-CoV-2–neutralizing antibody-like therapeutics. Here, we identified VHHs that neutralize both SARS-CoV-1 and SARS-CoV-2, including now circulating variants. We observed that the VHHs bound to a highly conserved epitope in the receptor binding domain of the viral spike protein that is difficult to access for human antibodies. Structure-guided molecular modeling, combined with rapid yeast-based prototyping, resulted in an affinity enhanced VHH-human immunoglobulin G1 Fc fusion molecule with subnanomolar neutralizing activity. This VHH-Fc fusion protein, produced in and purified from cultured Chinese hamster ovary cells, controlled SARS-CoV-2 replication in prophylactic and therapeutic settings in mice expressing human angiotensin converting enzyme 2 and in hamsters infected with SARS-CoV-2. These data led to affinity-enhanced selection of the VHH, XVR011, a stable anti–COVID-19 biologic that is now being evaluated in the clinic.
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Affiliation(s)
- Bert Schepens
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Loes van Schie
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Wim Nerinckx
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Kenny Roose
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Wander Van Breedam
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Daria Fijalkowska
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Simon Devos
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Wannes Weyts
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Sieglinde De Cae
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Sandrine Vanmarcke
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Chiara Lonigro
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Hannah Eeckhaut
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Dries Van Herpe
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Jimmy Borloo
- VIB Discovery Sciences, Technologiepark-Zwijnaarde 104B, 9052 Ghent, Belgium
| | - Ana Filipa Oliveira
- VIB Discovery Sciences, Technologiepark-Zwijnaarde 104B, 9052 Ghent, Belgium
| | - João Paulo Portela Catani
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Sarah Creytens
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Dorien De Vlieger
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Gitte Michielsen
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Jackeline Cecilia Zavala Marchan
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - George D Moschonas
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Iebe Rossey
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Koen Sedeyn
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Annelies Van Hecke
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Xin Zhang
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA
| | - Lana Langendries
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA
| | - Sofie Jacobs
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA
| | - Sebastiaan Ter Horst
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA
| | - Laura Seldeslachts
- KU Leuven Department of Imaging and Pathology, Biomedical MRI and MoSAIC, 3000 Leuven, Belgium
| | - Laurens Liesenborghs
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA
| | - Robbert Boudewijns
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA.,KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute, Laboratory of Virology and Chemotherapy, Molecular Vaccinology and Vaccine Discovery Group, 3000 Leuven, Belgium
| | - Hendrik Jan Thibaut
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute, Laboratory of Virology and Chemotherapy, Molecular Vaccinology and Vaccine Discovery Group, 3000 Leuven, Belgium.,KU Leuven Department of Microbiology, Immunology and Transplantation, Translational Platform Virology and Chemotherapy (TPVC), Rega Institute, 3000 Leuven, Belgium
| | - Kai Dallmeier
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA.,KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute, Laboratory of Virology and Chemotherapy, Molecular Vaccinology and Vaccine Discovery Group, 3000 Leuven, Belgium
| | - Greetje Vande Velde
- KU Leuven Department of Imaging and Pathology, Biomedical MRI and MoSAIC, 3000 Leuven, Belgium
| | - Birgit Weynand
- KU Leuven Department of Imaging and Pathology, Division of Translational Cell and Tissue Research, Translational Cell and Tissue Research, 3000 Leuven, Belgium
| | - Julius Beer
- Institute of Virology, Medical Center University Freiburg, 79104 Freiburg, Germany
| | - Daniel Schnepf
- Institute of Virology, Medical Center University Freiburg, 79104 Freiburg, Germany
| | - Annette Ohnemus
- Institute of Virology, Medical Center University Freiburg, 79104 Freiburg, Germany
| | - Isabel Remory
- Department of Medical Imaging, In vivo Cellular and Molecular Imaging Laboratory, Vrije Universiteit Brussel, Laarbeeklaan 103, 1090 Brussels, Belgium
| | - Caroline S Foo
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium
| | - Rana Abdelnabi
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA
| | - Piet Maes
- KU Leuven, Department of Microbiology, Immunology and Transplantation, Laboratory of Clinical and Epidemiological Virology, Rega Institute, 3000 Leuven, Belgium
| | - Suzanne J F Kaptein
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA
| | - Joana Rocha-Pereira
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA
| | - Dirk Jochmans
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA
| | - Leen Delang
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA
| | - Frank Peelman
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biomolecular Medicine, Ghent University, 9000 Ghent, Belgium
| | - Peter Staeheli
- Institute of Virology, Medical Center University Freiburg, 79104 Freiburg, Germany.,Faculty of Medicine, University of Freiburg, 79110 Freiburg, Germany
| | - Martin Schwemmle
- Institute of Virology, Medical Center University Freiburg, 79104 Freiburg, Germany.,Faculty of Medicine, University of Freiburg, 79110 Freiburg, Germany
| | - Nick Devoogdt
- Department of Medical Imaging, In vivo Cellular and Molecular Imaging Laboratory, Vrije Universiteit Brussel, Laarbeeklaan 103, 1090 Brussels, Belgium
| | | | | | | | | | | | | | | | | | - Bruno Dombrecht
- VIB Discovery Sciences, Technologiepark-Zwijnaarde 104B, 9052 Ghent, Belgium
| | | | - Johan Neyts
- KU Leuven Department of Microbiology, Immunology and Transplantation, Laboratory of Virology and Chemotherapy, Rega Institute, 3000 Leuven, Belgium.,GVN, Global Virus Network, Baltimore, MD 21201, USA.,KU Leuven Department of Microbiology, Immunology and Transplantation, Rega Institute, Laboratory of Virology and Chemotherapy, Molecular Vaccinology and Vaccine Discovery Group, 3000 Leuven, Belgium
| | - Nico Callewaert
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
| | - Xavier Saelens
- VIB-UGent Center for Medical Biotechnology, VIB, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium.,Department of Biochemistry and Microbiology, Ghent University, Technologiepark-Zwijnaarde 75, 9052 Ghent, Belgium
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10
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Tavares MJ, Güldener U, Mendes-Ferreira A, Mira NP. Genome sequencing, annotation and exploration of the SO 2-tolerant non-conventional yeast Saccharomycodes ludwigii. BMC Genomics 2021; 22:131. [PMID: 33622260 PMCID: PMC7903802 DOI: 10.1186/s12864-021-07438-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 02/11/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Saccharomycodes ludwigii belongs to the poorly characterized Saccharomycodeacea family and is known by its ability to spoil wines, a trait mostly attributable to its high tolerance to sulfur dioxide (SO2). To improve knowledge about Saccharomycodeacea our group determined whole-genome sequences of Hanseniaspora guilliermondii (UTAD222) and S. ludwigii (UTAD17), two members of this family. While in the case of H. guilliermondii the genomic information elucidated crucial aspects concerning the physiology of this species in the context of wine fermentation, the draft sequence obtained for S. ludwigii was distributed by more than 1000 contigs complicating extraction of biologically relevant information. In this work we describe the results obtained upon resequencing of S. ludwigii UTAD17 genome using PacBio as well as the insights gathered from the exploration of the annotation performed over the assembled genome. RESULTS Resequencing of S. ludwigii UTAD17 genome with PacBio resulted in 20 contigs totaling 13 Mb of assembled DNA and corresponding to 95% of the DNA harbored by this strain. Annotation of the assembled UTAD17 genome predicts 4644 protein-encoding genes. Comparative analysis of the predicted S. ludwigii ORFeome with those encoded by other Saccharomycodeacea led to the identification of 213 proteins only found in this species. Among these were six enzymes required for catabolism of N-acetylglucosamine, four cell wall β-mannosyltransferases, several flocculins and three acetoin reductases. Different from its sister Hanseniaspora species, neoglucogenesis, glyoxylate cycle and thiamine biosynthetic pathways are functional in S. ludwigii. Four efflux pumps similar to the Ssu1 sulfite exporter, as well as robust orthologues for 65% of the S. cerevisiae SO2-tolerance genes, were identified in S. ludwigii genome. CONCLUSIONS This work provides the first genome-wide picture of a S. ludwigii strain representing a step forward for a better understanding of the physiology and genetics of this species and of the Saccharomycodeacea family. The release of this genomic sequence and of the information extracted from it can contribute to guide the design of better wine preservation strategies to counteract spoilage prompted by S. ludwigii. It will also accelerate the exploration of this species as a cell factory, specially in production of fermented beverages where the use of Non-Saccharomyces species (including spoilage species) is booming.
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Affiliation(s)
- Maria J Tavares
- Department of Bioengineering, iBB- Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais, 1049-001, Lisbon, Portugal
| | - Ulrich Güldener
- Department of Bioinformatics, Wissenschaftszentrum Weihenstephan, Technische Universität München, Maximus von-Imhof- Forum 3, 85354, Freising, Germany
| | - Ana Mendes-Ferreira
- WM&B - Laboratory of Wine Microbiology & Biotechnology, Department of Biology and Environment, University of Trás-os-Montes and Alto Douro, 5001-801, Vila Real, Portugal. .,BioISI - Biosystems and Integrative Sciences Institute, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016, Lisbon, Portugal.
| | - Nuno P Mira
- Department of Bioengineering, iBB- Institute for Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Avenida Rovisco Pais, 1049-001, Lisbon, Portugal.
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11
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Pekarsky A, Mihalyi S, Weiss M, Limbeck A, Spadiut O. Depletion of Boric Acid and Cobalt from Cultivation Media: Impact on Recombinant Protein Production with Komagataella phaffii. Bioengineering (Basel) 2020; 7:bioengineering7040161. [PMID: 33322107 PMCID: PMC7763993 DOI: 10.3390/bioengineering7040161] [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: 10/09/2020] [Revised: 12/09/2020] [Accepted: 12/11/2020] [Indexed: 11/23/2022] Open
Abstract
The REACH regulation stands for “Registration, Evaluation, Authorization and Restriction of Chemicals” and defines certain substances as harmful to human health and the environment. This urges manufacturers to adapt production processes. Boric acid and cobalt dichloride represent such harmful ingredients, but are commonly used in yeast cultivation media. The yeast Komagataella phaffii (Pichia pastoris) is an important host for heterologous protein production and compliance with the REACH regulation is desirable. Boric acid and cobalt dichloride are used as boron and cobalt sources, respectively. Boron and cobalt support growth and productivity and a number of cobalt-containing enzymes exist. Therefore, depletion of boric acid and cobalt dichloride could have various negative effects, but knowledge is currently scarce. Herein, we provide an insight into the impact of boric acid and cobalt depletion on recombinant protein production with K. phaffii and additionally show how different vessel materials affect cultivation media compositions through leaking elements. We found that boric acid could be substituted through boron leakiness from borosilicate glassware. Furthermore, depletion of boric acid and cobalt dichloride neither affected high cell density cultivation nor cell morphology and viability on methanol. However, final protein quality of three different industrially relevant enzymes was affected in various ways.
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Affiliation(s)
- Alexander Pekarsky
- Institute of Chemical, Environmental and Bioscience Engineering, TU Wien, Gumpendorferstrasse 1a, 1060 Vienna, Austria; (A.P.); (S.M.)
| | - Sophia Mihalyi
- Institute of Chemical, Environmental and Bioscience Engineering, TU Wien, Gumpendorferstrasse 1a, 1060 Vienna, Austria; (A.P.); (S.M.)
| | - Maximilian Weiss
- Institute of Chemical Technologies and Analytics, TU Wien, Getreidemarkt 9/164-I2AC, 1060 Vienna, Austria; (M.W.); (A.L.)
| | - Andreas Limbeck
- Institute of Chemical Technologies and Analytics, TU Wien, Getreidemarkt 9/164-I2AC, 1060 Vienna, Austria; (M.W.); (A.L.)
| | - Oliver Spadiut
- Institute of Chemical, Environmental and Bioscience Engineering, TU Wien, Gumpendorferstrasse 1a, 1060 Vienna, Austria; (A.P.); (S.M.)
- Correspondence: ; Tel.: +43-1-58801-166473
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12
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Microbial lignin peroxidases: Applications, production challenges and future perspectives. Enzyme Microb Technol 2020; 141:109669. [DOI: 10.1016/j.enzmictec.2020.109669] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/09/2020] [Accepted: 09/10/2020] [Indexed: 12/19/2022]
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13
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Role of BGS13 in the Secretory Mechanism of Pichia pastoris. Appl Environ Microbiol 2019; 85:AEM.01615-19. [PMID: 31585990 DOI: 10.1128/aem.01615-19] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Accepted: 09/22/2019] [Indexed: 02/08/2023] Open
Abstract
The methylotrophic yeast Pichia pastoris has been utilized for heterologous protein expression for over 30 years. Because P. pastoris secretes few of its own proteins, the exported recombinant protein is the major polypeptide in the extracellular medium, making purification relatively easy. Unfortunately, some recombinant proteins intended for secretion are retained within the cell. A mutant strain isolated in our laboratory, containing a disruption of the BGS13 gene, displayed elevated levels of secretion for a variety of reporter proteins. The Bgs13 peptide (Bgs13p) is similar to the Saccharomyces cerevisiae protein kinase C 1 protein (Pkc1p), but its specific mode of action is currently unclear. To illuminate differences in the secretion mechanism between the wild-type (wt) strain and the bgs13 strain, we determined that the disrupted bgs13 gene expressed a truncated protein that had reduced protein kinase C activity and a different location in the cell, compared to the wt protein. Because the Pkc1p of baker's yeast plays a significant role in cell wall integrity, we investigated the sensitivity of the mutant strain's cell wall to growth antagonists and extraction by dithiothreitol, determining that the bgs13 strain cell wall suffered from inherent structural problems although its porosity was normal. A proteomic investigation of the bgs13 strain secretome and cell wall-extracted peptides demonstrated that, compared to its wt parent, the bgs13 strain also displayed increased release of an array of normally secreted, endogenous proteins, as well as endoplasmic reticulum-resident chaperone proteins, suggesting that Bgs13p helps regulate the unfolded protein response and protein sorting on a global scale.IMPORTANCE The yeast Pichia pastoris is used as a host system for the expression of recombinant proteins. Many of these products, including antibodies, vaccine antigens, and therapeutic proteins such as insulin, are currently on the market or in late stages of development. However, one major weakness is that sometimes these proteins are not secreted from the yeast cell efficiently, which impedes and raises the cost of purification of these vital proteins. Our laboratory has isolated a mutant strain of Pichia pastoris that shows enhanced secretion of many proteins. The mutant produces a modified version of Bgs13p. Our goal is to understand how the change in the Bgs13p function leads to improved secretion. Once the Bgs13p mechanism is illuminated, we should be able to apply this understanding to engineer new P. pastoris strains that efficiently produce and secrete life-saving recombinant proteins, providing medical and economic benefits.
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14
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Fischer JE, Glieder A. Current advances in engineering tools for Pichia pastoris. Curr Opin Biotechnol 2019; 59:175-181. [DOI: 10.1016/j.copbio.2019.06.002] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 06/02/2019] [Accepted: 06/18/2019] [Indexed: 12/13/2022]
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15
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Baghban R, Farajnia S, Rajabibazl M, Ghasemi Y, Mafi A, Hoseinpoor R, Rahbarnia L, Aria M. Yeast Expression Systems: Overview and Recent Advances. Mol Biotechnol 2019; 61:365-384. [PMID: 30805909 DOI: 10.1007/s12033-019-00164-8] [Citation(s) in RCA: 98] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Yeasts are outstanding hosts for the production of functional recombinant proteins with industrial or medical applications. Great attention has been emerged on yeast due to the inherent advantages and new developments in this host cell. For the production of each specific product, the most appropriate expression system should be identified and optimized both on the genetic and fermentation levels, considering the features of the host, vector and expression strategies. Currently, several new systems are commercially available; some of them are private and need licensing. The potential for secretory expression of heterologous proteins in yeast proposed this system as a candidate for the production of complex eukaryotic proteins. The common yeast expression hosts used for recombinant proteins' expression include Saccharomyces cerevisiae, Pichia pastoris, Hansenula polymorpha, Yarrowia lipolytica, Arxula adeninivorans, Kluyveromyces lactis, and Schizosaccharomyces pombe. This review is dedicated to discuss on significant characteristics of the most common methylotrophic and non-methylotrophic yeast expression systems with an emphasis on their advantages and new developments.
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Affiliation(s)
- Roghayyeh Baghban
- Medical Biotechnology Department, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran.,Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Biotechnology Research Center, Tabriz University of Medical Sciences, Daneshgah Ave, Tabriz, Iran
| | - Safar Farajnia
- Biotechnology Research Center, Tabriz University of Medical Sciences, Daneshgah Ave, Tabriz, Iran. .,Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Masoumeh Rajabibazl
- Department of Clinical Biochemistry, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Velenjak, Arabi Ave, Tehran, Iran. .,Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Younes Ghasemi
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Shiraz University of Medical Science, Shiraz, Iran
| | - AmirAli Mafi
- Anesthesiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reyhaneh Hoseinpoor
- Department of Biotechnology, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Leila Rahbarnia
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Aria
- Biotechnology Research Center, Tabriz University of Medical Sciences, Daneshgah Ave, Tabriz, Iran
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16
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Jiao L, Zhou Q, Yan Y. Efficient gene disruption by posttransformational directed internal homologous recombination in Pichia pastoris. Anal Biochem 2019; 576:1-4. [DOI: 10.1016/j.ab.2019.04.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 04/03/2019] [Accepted: 04/03/2019] [Indexed: 11/26/2022]
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17
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Purification of Recombinant Glycoproteins from Pichia pastoris Culture Supernatants. Methods Mol Biol 2019. [PMID: 30737750 DOI: 10.1007/978-1-4939-9024-5_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Pichia pastoris is a common host organism for the production of recombinant proteins. While unglycosylated recombinant proteins derived from this yeast can be purified efficiently by only a few conventional chromatography steps, the purification of glycosylated recombinant proteins is a very challenging process due to the intrinsic feature of the yeast of hypermannosylation. The resulting vast glycosylation pattern on the recombinant target protein masks its physicochemical properties hampering a conventional downstream process. Here, we describe a fast and efficient two-step chromatography strategy, where both steps are operated in flow-through mode, to purify recombinant glycoproteins from P. pastoris culture supernatants.
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18
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Khan AH, Noordin R. Strategies for humanizing glycosylation pathways and producing recombinant glycoproteins in microbial expression systems. Biotechnol Prog 2018; 35:e2752. [DOI: 10.1002/btpr.2752] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Revised: 10/26/2018] [Accepted: 11/16/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Amjad Hayat Khan
- Inst. for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia 11800 Penang Malaysia
| | - Rahmah Noordin
- Inst. for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia 11800 Penang Malaysia
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19
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Pekarsky A, Veiter L, Rajamanickam V, Herwig C, Grünwald-Gruber C, Altmann F, Spadiut O. Production of a recombinant peroxidase in different glyco-engineered Pichia pastoris strains: a morphological and physiological comparison. Microb Cell Fact 2018; 17:183. [PMID: 30474550 PMCID: PMC6260843 DOI: 10.1186/s12934-018-1032-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 11/16/2018] [Indexed: 02/07/2023] Open
Abstract
Background The methylotrophic yeast Pichia pastoris is a common host for the production of recombinant proteins. However, hypermannosylation hinders the use of recombinant proteins from yeast in most biopharmaceutical applications. Glyco-engineered yeast strains produce more homogeneously glycosylated proteins, but can be physiologically impaired and show tendencies for cellular agglomeration, hence are hard to cultivate. Further, comprehensive data regarding growth, physiology and recombinant protein production in the controlled environment of a bioreactor are scarce. Results A Man5GlcNAc2 glycosylating and a Man8–10GlcNAc2 glycosylating strain showed similar morphological traits during methanol induced shake-flask cultivations to produce the recombinant model protein HRP C1A. Both glyco-engineered strains displayed larger single and budding cells than a wild type strain as well as strong cellular agglomeration. The cores of these agglomerates appeared to be less viable. Despite agglomeration, the Man5GlcNAc2 glycosylating strain showed superior growth, physiology and HRP C1A productivity compared to the Man8–10GlcNAc2 glycosylating strain in shake-flasks and in the bioreactor. Conducting dynamic methanol pulsing revealed that HRP C1A productivity of the Man5GlcNAc2 glycosylating strain is best at a temperature of 30 °C. Conclusion This study provides the first comprehensive evaluation of growth, physiology and recombinant protein production of a Man5GlcNAc2 glycosylating strain in the controlled environment of a bioreactor. Furthermore, it is evident that cellular agglomeration is likely triggered by a reduced glycan length of cell surface glycans, but does not necessarily lead to lower metabolic activity and recombinant protein production. Man5GlcNAc2 glycosylated HRP C1A production is feasible, yields active protein similar to the wild type strain, but thermal stability of HRP C1A is negatively affected by reduced glycosylation. Electronic supplementary material The online version of this article (10.1186/s12934-018-1032-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Alexander Pekarsky
- Institute of Chemical, Environmental and Bioscience Engineering, Research Area Biochemical Engineering, Technische Universität Wien, Gumpendorfer Strasse 1a, 1060, Vienna, Austria
| | - Lukas Veiter
- Institute of Chemical, Environmental and Bioscience Engineering, Research Area Biochemical Engineering, Technische Universität 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
- Institute of Chemical, Environmental and Bioscience Engineering, Research Area Biochemical Engineering, Technische Universität 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
- Institute of Chemical, Environmental and Bioscience Engineering, Research Area Biochemical Engineering, Technische Universität 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
| | - Clemens Grünwald-Gruber
- Department of Chemistry, University of Natural Resources and Life Sciences, Muthgasse 18, 1190, Vienna, Austria
| | - Friedrich Altmann
- Department of Chemistry, University of Natural Resources and Life Sciences, Muthgasse 18, 1190, Vienna, Austria
| | - Oliver Spadiut
- Institute of Chemical, Environmental and Bioscience Engineering, Research Area Biochemical Engineering, Technische Universität Wien, Gumpendorfer Strasse 1a, 1060, Vienna, Austria.
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20
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Feng X, Wang X, Han B, Zou C, Hou Y, Zhao L, Li C. Design of Glyco-Linkers at Multiple Structural Levels to Modulate Protein Stability. J Phys Chem Lett 2018; 9:4638-4645. [PMID: 30060662 DOI: 10.1021/acs.jpclett.8b01570] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
N-glycosylation has critical roles in regulating protein stability, but the molecular basis is poorly understood. In this study, we integrated experimental and computational techniques to investigate the mechanism by which full-length N-glycans modulate protein stability from quaternary structure perspective. We found the two inherent N-glycans of β-glucuronidase expressed in Pichia pastoris function as "glyco-linkers" that hold spatially proximal motifs together to compact the local protein structure. We further designed and placed glyco-linkers in the unusual form of glyco-bridge and glyco-hairpin at the interfaces between domains and monomers with higher structural level, respectively, which conferred dramatically higher kinetic stability and thermodynamic stability than the inherent N-glycans. Our study not only provides unique insight into the interactions between glycans and proteins from a quaternary structure perspective but also facilitates the rational design of N-glycans as general tools that can enhance protein stability.
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Affiliation(s)
- Xudong Feng
- Department of Biochemical Engineering/Institute for Synthetic Biosystem, School of Chemistry and Chemical Engineering , Beijing Institute of Technology , Beijing 100081 , China
| | - Xiaoyan Wang
- Department of Biochemical Engineering/Institute for Synthetic Biosystem, School of Chemistry and Chemical Engineering , Beijing Institute of Technology , Beijing 100081 , China
- Center of Biotechnology , COFCO Nutrition & Health Research Institute , Beijing 102209 , China
| | - Beijia Han
- Department of Biochemical Engineering/Institute for Synthetic Biosystem, School of Chemistry and Chemical Engineering , Beijing Institute of Technology , Beijing 100081 , China
| | - Changling Zou
- Department of Biochemical Engineering/Institute for Synthetic Biosystem, School of Chemistry and Chemical Engineering , Beijing Institute of Technology , Beijing 100081 , China
- Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics , Chinese Academy of Sciences , Beijing 100049 , China
| | - Yuhui Hou
- Department of Biochemical Engineering/Institute for Synthetic Biosystem, School of Chemistry and Chemical Engineering , Beijing Institute of Technology , Beijing 100081 , China
| | - Lina Zhao
- Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics , Chinese Academy of Sciences , Beijing 100049 , China
| | - Chun Li
- Department of Biochemical Engineering/Institute for Synthetic Biosystem, School of Chemistry and Chemical Engineering , Beijing Institute of Technology , Beijing 100081 , China
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21
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Walker RSK, Pretorius IS. Applications of Yeast Synthetic Biology Geared towards the Production of Biopharmaceuticals. Genes (Basel) 2018; 9:E340. [PMID: 29986380 PMCID: PMC6070867 DOI: 10.3390/genes9070340] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 07/01/2018] [Accepted: 07/02/2018] [Indexed: 12/18/2022] Open
Abstract
Engineered yeast are an important production platform for the biosynthesis of high-value compounds with medical applications. Recent years have witnessed several new developments in this area, largely spurred by advances in the field of synthetic biology and the elucidation of natural metabolic pathways. This minireview presents an overview of synthetic biology applications for the heterologous biosynthesis of biopharmaceuticals in yeast and demonstrates the power and potential of yeast cell factories by highlighting several recent examples. In addition, an outline of emerging trends in this rapidly-developing area is discussed, hinting upon the potential state-of-the-art in the years ahead.
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Affiliation(s)
- Roy S K Walker
- Department of Molecular Sciences, Macquarie University, Sydney 2109, Australia.
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22
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Nadeem T, Khan MA, Ijaz B, Ahmed N, Rahman ZU, Latif MS, Ali Q, Rana MA. Glycosylation of Recombinant Anticancer Therapeutics in Different Expression Systems with Emerging Technologies. Cancer Res 2018; 78:2787-2798. [DOI: 10.1158/0008-5472.can-18-0032] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/22/2018] [Accepted: 04/03/2018] [Indexed: 11/16/2022]
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Raschmanová H, Weninger A, Glieder A, Kovar K, Vogl T. Implementing CRISPR-Cas technologies in conventional and non-conventional yeasts: Current state and future prospects. Biotechnol Adv 2018; 36:641-665. [PMID: 29331410 DOI: 10.1016/j.biotechadv.2018.01.006] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2017] [Revised: 01/02/2018] [Accepted: 01/09/2018] [Indexed: 12/26/2022]
Abstract
Within five years, the CRISPR-Cas system has emerged as the dominating tool for genome engineering, while also changing the speed and efficiency of metabolic engineering in conventional (Saccharomyces cerevisiae and Schizosaccharomyces pombe) and non-conventional (Yarrowia lipolytica, Pichia pastoris syn. Komagataella phaffii, Kluyveromyces lactis, Candida albicans and C. glabrata) yeasts. Especially in S. cerevisiae, an extensive toolbox of advanced CRISPR-related applications has been established, including crisprTFs and gene drives. The comparison of innovative CRISPR-Cas expression strategies in yeasts presented here may also serve as guideline to implement and refine CRISPR-Cas systems for highly efficient genome editing in other eukaryotic organisms.
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Affiliation(s)
- Hana Raschmanová
- Department of Biotechnology, University of Chemistry and Technology Prague, Technicka 5, 16628 Prague, Czech Republic
| | - Astrid Weninger
- Institute for Molecular Biotechnology, Graz University of Technology, NAWI Graz, Petersgasse 14, 8010 Graz, Austria
| | - Anton Glieder
- Institute for Molecular Biotechnology, Graz University of Technology, NAWI Graz, Petersgasse 14, 8010 Graz, Austria
| | - Karin Kovar
- Institute of Chemistry and Biotechnology, Zurich University of Applied Sciences, Grüentalstrasse 14, 8820 Wädenswil, Switzerland
| | - Thomas Vogl
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot 76100, Israel.
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Metabolic engineering of Pichia pastoris. Metab Eng 2018; 50:2-15. [PMID: 29704654 DOI: 10.1016/j.ymben.2018.04.017] [Citation(s) in RCA: 126] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 04/16/2018] [Accepted: 04/23/2018] [Indexed: 12/11/2022]
Abstract
Besides its use for efficient production of recombinant proteins the methylotrophic yeast Pichia pastoris (syn. Komagataella spp.) has been increasingly employed as a platform to produce metabolites of varying origin. We summarize here the impressive methodological developments of the last years to model and analyze the metabolism of P. pastoris, and to engineer its genome and metabolic pathways. Efficient methods to insert, modify or delete genes via homologous recombination and CRISPR/Cas9, supported by modular cloning techniques, have been reported. An outstanding early example of metabolic engineering in P. pastoris was the humanization of protein glycosylation. More recently the cell metabolism was engineered also to enhance the productivity of heterologous proteins. The last few years have seen an increased number of metabolic pathway design and engineering in P. pastoris, mainly towards the production of complex (secondary) metabolites. In this review, we discuss the potential role of P. pastoris as a platform for metabolic engineering, its strengths, and major requirements for future developments of chassis strains based on synthetic biology principles.
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De Waele S, Vandenberghe I, Laukens B, Planckaert S, Verweire S, Van Bogaert I, Soetaert W, Devreese B, Ciesielska K. Optimized expression of the Starmerella bombicola lactone esterase in Pichia pastoris through temperature adaptation, codon-optimization and co-expression with HAC1. Protein Expr Purif 2018; 143:62-70. [DOI: 10.1016/j.pep.2017.10.016] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 09/18/2017] [Accepted: 10/30/2017] [Indexed: 12/27/2022]
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Engineering of Yeast Glycoprotein Expression. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2018; 175:93-135. [DOI: 10.1007/10_2018_69] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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27
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Weninger A, Fischer JE, Raschmanová H, Kniely C, Vogl T, Glieder A. Expanding the CRISPR/Cas9 toolkit for Pichia pastoris with efficient donor integration and alternative resistance markers. J Cell Biochem 2017; 119:3183-3198. [PMID: 29091307 PMCID: PMC5887973 DOI: 10.1002/jcb.26474] [Citation(s) in RCA: 79] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Accepted: 10/26/2017] [Indexed: 02/06/2023]
Abstract
Komagataella phaffii (syn. Pichia pastoris) is one of the most commonly used host systems for recombinant protein expression. Achieving targeted genetic modifications had been hindered by low frequencies of homologous recombination (HR). Recently, a CRISPR/Cas9 genome editing system has been implemented for P. pastoris enabling gene knockouts based on indels (insertion, deletions) via non-homologous end joining (NHEJ) at near 100% efficiency. However, specifically integrating homologous donor cassettes via HR for replacement studies had proven difficult resulting at most in ∼20% correct integration using CRISPR/Cas9. Here, we demonstrate the CRISPR/Cas9 mediated integration of markerless donor cassettes at efficiencies approaching 100% using a ku70 deletion strain. The Ku70p is involved in NHEJ repair and lack of the protein appears to favor repair via HR near exclusively. While the absolute number of transformants in the Δku70 strain is reduced, virtually all surviving transformants showed correct integration. In the wildtype strain, markerless donor cassette integration was also improved up to 25-fold by placing an autonomously replicating sequence (ARS) on the donor cassette. Alternative strategies for improving donor cassette integration using a Cas9 nickase variant or reducing off targeting associated toxicity using a high fidelity Cas9 variant were so far not successful in our hands in P. pastoris. Furthermore we provide Cas9/gRNA expression plasmids with a Geneticin resistance marker which proved to be versatile tools for marker recycling. The reported CRSIPR-Cas9 tools can be applied for modifying existing production strains and also pave the way for markerless whole genome modification studies in P. pastoris.
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Affiliation(s)
- Astrid Weninger
- Institute of Molecular Biotechnology, Graz University of Technology, Graz, Austria
| | | | - Hana Raschmanová
- Department of Biotechnology, University of Chemistry and Technology Prague, Prague, Czech Republic
| | - Claudia Kniely
- Institute of Molecular Biotechnology, Graz University of Technology, Graz, Austria
| | - Thomas Vogl
- Institute of Molecular Biotechnology, Graz University of Technology, Graz, Austria
| | - Anton Glieder
- Institute of Molecular Biotechnology, Graz University of Technology, Graz, Austria.,Bisy e.U., Wetzawinkel, Hofstätten/Raab, Austria
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Schwarzhans JP, Luttermann T, Geier M, Kalinowski J, Friehs K. Towards systems metabolic engineering in Pichia pastoris. Biotechnol Adv 2017; 35:681-710. [DOI: 10.1016/j.biotechadv.2017.07.009] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 07/20/2017] [Accepted: 07/24/2017] [Indexed: 12/30/2022]
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Rajamanickam V, Metzger K, Schmid C, Spadiut O. A novel bi-directional promoter system allows tunable recombinant protein production in Pichia pastoris. Microb Cell Fact 2017; 16:152. [PMID: 28903770 PMCID: PMC5598003 DOI: 10.1186/s12934-017-0768-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Accepted: 09/08/2017] [Indexed: 11/11/2022] Open
Abstract
Background The methylotrophic yeast Pichia pastoris is a well-studied host organism for recombinant protein production, which is usually regulated either by a constitutive promoter (e.g. promoter of glyceraldehyde-3-phosphate dehydrogenase; PGAP) or an inducible promoter (e.g. promoter of alcohol oxidase 1; PAOX1). Both promoter systems have several advantages and disadvantages; with one of the main disadvantages being their lack of tunability. Various novel promoter systems, which are either inducible or de-repressed, allowing higher degrees of freedom, have been reported. Recently, bi-directional promoter systems in P. pastoris with two promoter systems regulating recombinant expression of one or more genes were developed. In this study, we introduce a novel bi-directional promoter system combining a modified catalase promoter system (PDC; derepressible and inducible) and the traditional PAOX1, allowing tunable recombinant protein production. Results We characterized a recombinant P. pastoris strain, carrying the novel bi-directional promoter system, during growth and production in three dynamic bioreactor cultivations. We cloned the model enzyme cellobiohydralase downstream of either promoter and applied different feeding strategies to determine the physiological boundaries of the strain. We succeeded in demonstrating tunability of recombinant protein production solely in response to the different feeding strategies and identified a mixed feed regime allowing highest productivity. Conclusion In this feasibility study, we present the first controlled bioreactor experiments with a recombinant P. pastoris strain carrying a novel bi-directional promotor combination of a catalase promoter variant (PDC) and the traditional PAOX1. We demonstrated that this bi-directional promoter system allows tunable recombinant protein expression only in response to the available C-sources. This bi-directional promoter system offers a high degree of freedom for bioprocess design and development, making bi-directional promoters in P. pastoris highly attractive for recombinant protein production.
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Affiliation(s)
- Vignesh Rajamanickam
- Research Division Biochemical Engineering, Institute of Chemical, Environmental and Biological Engineering, TU Wien, Gumpendorfer Strasse 1a, 1060, Vienna, Austria.,Christian Doppler Laboratory for Mechanistic and Physiological Methods for Improved Bioprocesses, Institute of Chemical, Environmental and Biological Engineering, TU Wien, Vienna, Austria
| | - Karl Metzger
- Research Division Biochemical Engineering, Institute of Chemical, Environmental and Biological Engineering, TU Wien, Gumpendorfer Strasse 1a, 1060, Vienna, Austria
| | | | - Oliver Spadiut
- Research Division Biochemical Engineering, Institute of Chemical, Environmental and Biological Engineering, TU Wien, Gumpendorfer Strasse 1a, 1060, Vienna, Austria.
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Shibui T, Hara H. A new type of gene-disruption cassette with a rescue gene for Pichia pastoris. Biotechnol Prog 2017; 33:1201-1208. [DOI: 10.1002/btpr.2541] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 07/07/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Tatsuro Shibui
- Food Biotechnology Laboratory, School of Food Sciences; Nippon Veterinary and Life Science University, 1-7-1 Kyounamcho; Musashinoshi Tokyo 180-8602 Japan
| | - Hiroyoshi Hara
- Food Biotechnology Laboratory, School of Food Sciences; Nippon Veterinary and Life Science University, 1-7-1 Kyounamcho; Musashinoshi Tokyo 180-8602 Japan
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31
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Moser JW, Wilson IBH, Dragosits M. The adaptive landscape of wildtype and glycosylation-deficient populations of the industrial yeast Pichia pastoris. BMC Genomics 2017; 18:597. [PMID: 28797224 PMCID: PMC5553748 DOI: 10.1186/s12864-017-3952-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 07/23/2017] [Indexed: 11/16/2022] Open
Abstract
Background The effects of long-term environmental adaptation and the implications of major cellular malfunctions are still poorly understood for non-model but biotechnologically relevant species. In this study we performed a large-scale laboratory evolution experiment with 48 populations of the yeast Pichia pastoris in order to establish a general adaptive landscape upon long-term selection in several glucose-based growth environments. As a model for a cellular malfunction the implications of OCH1 mannosyltransferase knockout-mediated glycosylation-deficiency were analyzed. Results In-depth growth profiling of evolved populations revealed several instances of genotype-dependent growth trade-off/cross-benefit correlations in non-evolutionary growth conditions. On the genome level a high degree of mutational convergence was observed among independent populations. Environment-dependent mutational hotspots were related to osmotic stress-, Rim - and cAMP signaling pathways. In agreement with the observed growth phenotypes, our data also suggest diverging compensatory mutations in glycosylation-deficient populations. High osmolarity glycerol (HOG) pathway loss-of-functions mutations, including genes such as SSK2 and SSK4, represented a major adaptive strategy during environmental adaptation. However, genotype-specific HOG-related mutations were predominantly observed in opposing environmental conditions. Surprisingly, such mutations emerged during salt stress adaptation in OCH1 knockout populations and led to growth trade-offs in non-adaptive conditions that were distinct from wildtype HOG-mutants. Further environment-dependent mutations were identified for a hitherto uncharacterized species-specific Gal4-like transcriptional regulator involved in environmental sensing. Conclusion We show that metabolic constraints such as glycosylation-deficiency can contribute to evolution on the molecular level, even in non-diverging growth environments. Our dataset suggests universal adaptive mechanisms involving cellular stress response and cAMP/PKA signaling but also the existence of highly species-specific strategies involving unique transcriptional regulators, improving our biological understanding of distinct Ascomycetes species. Electronic supplementary material The online version of this article (doi:10.1186/s12864-017-3952-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Josef W Moser
- Department of Chemistry, University of Natural Resources and Life Sciences, Muthgasse 18, 1190, Vienna, Austria.,Austrian Centre of Industrial Biotechnology (ACIB), Muthgasse 11, 1190, Vienna, Austria
| | - Iain B H Wilson
- Department of Chemistry, University of Natural Resources and Life Sciences, Muthgasse 18, 1190, Vienna, Austria
| | - Martin Dragosits
- Department of Chemistry, University of Natural Resources and Life Sciences, Muthgasse 18, 1190, Vienna, Austria.
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Sun H, Bankefa OE, Ijeoma IO, Miao L, Zhu T, Li Y. Systematic assessment of Pichia pastoris system for optimized β -galactosidase production. Synth Syst Biotechnol 2017; 2:113-120. [PMID: 29062968 PMCID: PMC5636950 DOI: 10.1016/j.synbio.2017.04.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 03/23/2017] [Accepted: 04/12/2017] [Indexed: 01/12/2023] Open
Affiliation(s)
- Hongbing Sun
- Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin, 300308, China
| | - Olufemi Emmanuel Bankefa
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Ijeoma Onyinyechi Ijeoma
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China.,Department of Microbiology, University of Port Harcourt, Port Harcourt, Nigeria
| | - Liangtian Miao
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Taicheng Zhu
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yin Li
- CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, China
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Gundinger T, Spadiut O. A comparative approach to recombinantly produce the plant enzyme horseradish peroxidase in Escherichia coli. J Biotechnol 2017; 248:15-24. [PMID: 28288816 PMCID: PMC5453243 DOI: 10.1016/j.jbiotec.2017.03.003] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 02/21/2017] [Accepted: 03/04/2017] [Indexed: 11/17/2022]
Abstract
Horseradish peroxidase (HRP) is used in various biotechnological and medical applications. Since its isolation from plant provides several disadvantages, the bacterium Escherichia coli was tested as recombinant expression host in former studies. However, neither production from refolded inclusion bodies nor active enzyme expression in the periplasm exceeded final titres of 10 mg per litre cultivation broth. Thus, the traditional way of production of HRP from plant still prevails. In this study, we revisited the recombinant production of HRP in E. coli and investigated and compared both strategies, (a) the production of HRP as inclusion bodies (IBs) and subsequent refolding and (b) the production of active HRP in the periplasm. In fact, we were able to produce HRP in E. coli either way. We obtained a refolding yield of 10% from IBs giving a final titre of 100 mg L−1 cultivation broth, and were able to produce 48 mg active HRP per litre cultivation broth in the periplasm. In terms of biochemical properties, soluble HRP showed a highly reduced catalytic activity and stability which probably results from the fusion partner DsbA used in this study. Refolded HRP showed similar substrate affinity, an 11-fold reduced catalytic efficiency and 2-fold reduced thermal stability compared to plant HRP. In conclusion, we developed a toolbox for HRP engineering and production. We propose to engineer HRP by directed evolution or semi-rational protein design, express HRP in the periplasm of E. coli allowing straight forward screening for improved variants, and finally produce these variants as IB in high amounts, which are then refolded.
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Affiliation(s)
- Thomas Gundinger
- TU Wien, Institute of Chemical, Environmental and Biological Engineering, Research Area Biochemical Engineering, Gumpendorfer Strasse 1a, 1060 Vienna, Austria
| | - Oliver Spadiut
- TU Wien, Institute of Chemical, Environmental and Biological Engineering, Research Area Biochemical Engineering, Gumpendorfer Strasse 1a, 1060 Vienna, Austria.
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Khan MA, Ahmed N, Khan MI, Zafar AU, Tahir S, Anjum MS, Ali M, Khan F, Husnain T. Bioactivity studies of Huh-7 cells derived human epidermal growth factor expressed in Pichia pastoris. Biosci Biotechnol Biochem 2017; 81:1114-1119. [PMID: 28278062 DOI: 10.1080/09168451.2017.1295802] [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: 10/20/2022]
Abstract
Previously, we have reported cloning of human epidermal growth factor gene from Huh-7 cells and its extracellular expression in Pichia pastoris. The presented work is a detailed report regarding molecular characterization of Huh-7 cells-derived hEGF expressed in Pichia pastoris with special reference to its glycosylation profiling and bioactivity studies. Densitometric scanning of SDS-PAGE separated extracellular proteins from hEGF recombinant Pichia pastoris strain indicated that about 84% of the extracellular proteins were glycosylated. Size exclusion chromatography using Superdex 75 prep grade column was successfully utilized to separate fractions containing glycosylated and non-glycosylated extracellular proteins. In dot blot assay, hEGF was detected in both glycosylated and non-glycosylated fractions. Bioactivity assays revealed that both glycosylated and non-glycosylated fractions were bioactive as determined by cell viability assay. It was also observed that hEGF present in non-glycosylated fraction was relatively more bioactive than hEGF present in glycosylated fraction.
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Affiliation(s)
- Mohsin Ahmad Khan
- a National Centre of Excellence in Molecular Biology , University of the Punjab , Lahore , Pakistan
| | - Nadeem Ahmed
- a National Centre of Excellence in Molecular Biology , University of the Punjab , Lahore , Pakistan
| | - Muhammad Islam Khan
- a National Centre of Excellence in Molecular Biology , University of the Punjab , Lahore , Pakistan
| | - Ahmad Usman Zafar
- a National Centre of Excellence in Molecular Biology , University of the Punjab , Lahore , Pakistan
| | - Saad Tahir
- a National Centre of Excellence in Molecular Biology , University of the Punjab , Lahore , Pakistan
| | - Muhammad Sohail Anjum
- a National Centre of Excellence in Molecular Biology , University of the Punjab , Lahore , Pakistan
| | - Muhammad Ali
- a National Centre of Excellence in Molecular Biology , University of the Punjab , Lahore , Pakistan
| | - Faidad Khan
- a National Centre of Excellence in Molecular Biology , University of the Punjab , Lahore , Pakistan
| | - Tayyab Husnain
- a National Centre of Excellence in Molecular Biology , University of the Punjab , Lahore , Pakistan
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Schwarzhans JP, Wibberg D, Winkler A, Luttermann T, Kalinowski J, Friehs K. Non-canonical integration events in Pichia pastoris encountered during standard transformation analysed with genome sequencing. Sci Rep 2016; 6:38952. [PMID: 27958335 PMCID: PMC5154183 DOI: 10.1038/srep38952] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 11/15/2016] [Indexed: 12/21/2022] Open
Abstract
The non-conventional yeast Pichia pastoris is a popular host for recombinant protein production in scientific research and industry. Typically, the expression cassette is integrated into the genome via homologous recombination. Due to unknown integration events, a large clonal variability is often encountered consisting of clones with different productivities as well as aberrant morphological or growth characteristics. In this study, we analysed several clones with abnormal colony morphology and discovered unpredicted integration events via whole genome sequencing. These include (i) the relocation of the locus targeted for replacement to another chromosome (ii) co-integration of DNA from the E. coli plasmid host and (iii) the disruption of untargeted genes affecting colony morphology. Most of these events have not been reported so far in literature and present challenges for genetic engineering approaches in this yeast. Especially, the presence and independent activity of E. coli DNA elements in P. pastoris is of concern. In our study, we provide a deeper insight into these events and their potential origins. Steps preventing or reducing the risk for these phenomena are proposed and will help scientists working on genetic engineering of P. pastoris or similar non-conventional yeast to better understand and control clonal variability.
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Affiliation(s)
- Jan-Philipp Schwarzhans
- Fermentation Engineering, Bielefeld University, Universitätsstr. 25, Bielefeld, 33615, Germany.,Microbial Genomics and Biotechnology, Center for Biotechnology (CeBiTec), Bielefeld University, Universitätsstr. 27, Bielefeld, 33615, Germany
| | - Daniel Wibberg
- Genome Research of Industrial Microorganisms, CeBiTec, Bielefeld University, Universitätsstr. 27, Bielefeld, 33615, Germany
| | - Anika Winkler
- Microbial Genomics and Biotechnology, Center for Biotechnology (CeBiTec), Bielefeld University, Universitätsstr. 27, Bielefeld, 33615, Germany
| | - Tobias Luttermann
- Fermentation Engineering, Bielefeld University, Universitätsstr. 25, Bielefeld, 33615, Germany
| | - Jörn Kalinowski
- Microbial Genomics and Biotechnology, Center for Biotechnology (CeBiTec), Bielefeld University, Universitätsstr. 27, Bielefeld, 33615, Germany
| | - Karl Friehs
- Fermentation Engineering, Bielefeld University, Universitätsstr. 25, Bielefeld, 33615, Germany
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Khan AH, Bayat H, Rajabibazl M, Sabri S, Rahimpour A. Humanizing glycosylation pathways in eukaryotic expression systems. World J Microbiol Biotechnol 2016; 33:4. [DOI: 10.1007/s11274-016-2172-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2016] [Accepted: 11/04/2016] [Indexed: 01/27/2023]
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37
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Weinhandl K, Ballach M, Winkler M, Ahmad M, Glieder A, Birner-Gruenberger R, Fotheringham I, Escalettes F, Camattari A. Pichia pastoris mutants as host strains for efficient secretion of recombinant branched chain aminotransferase (BCAT). J Biotechnol 2016; 235:84-91. [DOI: 10.1016/j.jbiotec.2016.06.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 05/31/2016] [Accepted: 06/07/2016] [Indexed: 01/18/2023]
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38
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Biotechnological advances towards an enhanced peroxidase production in Pichia pastoris. J Biotechnol 2016; 233:181-9. [PMID: 27432633 DOI: 10.1016/j.jbiotec.2016.07.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 07/10/2016] [Accepted: 07/14/2016] [Indexed: 01/20/2023]
Abstract
Horseradish peroxidase (HRP) is a high-demand enzyme for applications in diagnostics, bioremediation, biocatalysis and medicine. Current HRP preparations are isolated from horseradish roots as mixtures of biochemically diverse isoenzymes. Thus, there is a strong need for a recombinant production process enabling a steady supply with enzyme preparations of consistent high quality. However, most current recombinant production systems are limited at titers in the low mg/L range. In this study, we used the well-known yeast Pichia pastoris as host for recombinant HRP production. To enhance recombinant enzyme titers we systematically evaluated engineering approaches on the secretion process, coproduction of helper proteins, and compared expression from the strong methanol-inducible PAOX1 promoter, the strong constitutive PGAP promoter, and a novel bidirectional promoter PHTX1. Ultimately, coproduction of HRP and active Hac1 under PHTX1 control yielded a recombinant HRP titer of 132mg/L after 56h of cultivation in a methanol-independent and easy-to-do bioreactor cultivation process. With regard to the many versatile applications for HRP, the establishment of a microbial host system suitable for efficient recombinant HRP production was highly overdue. The novel HRP production platform in P. pastoris presented in this study sets a new benchmark for this medically relevant enzyme.
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Saadatirad A, Sardari S, Kazemali M, Zarei N, Davami F, Barkhordari F, Adeli A, Mahboudi F. Expression of a novel chimeric-truncated tPA in Pichia pastoris with improved biochemical properties. Mol Biotechnol 2016; 56:1143-50. [PMID: 25143123 DOI: 10.1007/s12033-014-9794-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Thrombolytic therapy by plasminogen activators (PAs) has been a main goal in the treatment of acute myocardial infarction. Despite improved outcomes of currently available thrombolytic therapies, all these agents have different drawbacks that may result in less than optimal outcomes. In order to make tissue plasminogen activator (tPA) more potent, while being more resistant to plasminogen activator inhibitor-1 (PAI-1) and having a higher affinity to fibrin, a new chimeric-truncated form of tPA (CT tPA) was designed and expressed in Pichia pastoris. This novel variant consists of a finger domain of Desmoteplase, an epidermal growth factor (EGF) domain, a kringle 1 (K1) domain, a kringle 2 (K2) domain, in which the lysine binding site (LBS) was deleted, and a protease domain, where the four amino acids lysine 296, arginine 298, arginine 299, and arginine 304 were substituted by aspartic acid. The chimera CT tPA showed 14-fold increase in its activity in the presence of fibrin compared to the absence of fibrin. Furthermore, CT tPA showed about 10-fold more potency than commercially available full-length tPA (Actylase(®)) and provided 1.2-fold greater affinity to fibrin. A residual activity of only 68 % was observed after incubation of Actylase(®) with PAI-1, however, 91 % activity remained for CT tPA. These promising findings suggest that the novel CT tPA variant might be an acceptable PA with superior characteristics and properties.
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Affiliation(s)
- Amirhossein Saadatirad
- Biotechnology Research Center, Pasteur Institute of Iran (IPI), No. 69, Pasteur Avenue, Tehran, 1316943551, Iran
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Synthetic biology and molecular genetics in non-conventional yeasts: Current tools and future advances. Fungal Genet Biol 2016; 89:126-136. [DOI: 10.1016/j.fgb.2015.12.001] [Citation(s) in RCA: 135] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 11/18/2015] [Accepted: 12/05/2015] [Indexed: 12/16/2022]
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Weninger A, Hatzl AM, Schmid C, Vogl T, Glieder A. Combinatorial optimization of CRISPR/Cas9 expression enables precision genome engineering in the methylotrophic yeast Pichia pastoris. J Biotechnol 2016; 235:139-49. [PMID: 27015975 DOI: 10.1016/j.jbiotec.2016.03.027] [Citation(s) in RCA: 159] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Revised: 03/14/2016] [Accepted: 03/16/2016] [Indexed: 01/14/2023]
Abstract
The methylotrophic yeast Pichia pastoris (Komagataella phaffii) is one of the most commonly used expression systems for heterologous protein production. However the recombination machinery in P. pastoris is less effective in contrast to Saccharomyces cerevisiae, where efficient homologous recombination naturally facilitates genetic modifications. The lack of simple and efficient methods for gene disruption and specifically integrating cassettes has remained a bottleneck for strain engineering in P. pastoris. Therefore tools and methods for targeted genome modifications are of great interest. Here we report the establishment of CRISPR/Cas9 technologies for P. pastoris and demonstrate targeting efficiencies approaching 100%. However there appeared to be a narrow window of optimal conditions required for efficient CRISPR/Cas9 function for this host. We systematically tested combinations of various codon optimized DNA sequences of CAS9, different gRNA sequences, RNA Polymerase III and RNA Polymerase II promoters in combination with ribozymes for the expression of the gRNAs and RNA Polymerase II promoters for the expression of CAS9. Only 6 out of 95 constructs were functional for efficient genome editing. We used this optimized CRISPR/Cas9 system for gene disruption studies, to introduce multiplexed gene deletions and to test the targeted integration of homologous DNA cassettes. This system allows rapid, marker-less genome engineering in P. pastoris enabling unprecedented strain and metabolic engineering applications.
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Affiliation(s)
- Astrid Weninger
- Institute for Molecular Biotechnology, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
| | - Anna-Maria Hatzl
- Institute for Molecular Biotechnology, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
| | - Christian Schmid
- Institute for Molecular Biotechnology, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
| | - Thomas Vogl
- Institute for Molecular Biotechnology, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria.
| | - Anton Glieder
- Institute for Molecular Biotechnology, Graz University of Technology, Petersgasse 14, 8010 Graz, Austria
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Bonifert G, Folkes L, Gmeiner C, Dachs G, Spadiut O. Recombinant horseradish peroxidase variants for targeted cancer treatment. Cancer Med 2016; 5:1194-203. [PMID: 26990592 PMCID: PMC4924378 DOI: 10.1002/cam4.668] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 01/04/2016] [Accepted: 01/19/2016] [Indexed: 11/17/2022] Open
Abstract
Cancer is a major cause of death. Common chemo‐ and radiation‐therapies damage healthy tissue and cause painful side effects. The enzyme horseradish peroxidase (HRP) has been shown to activate the plant hormone indole‐3‐acetic acid (IAA) to a powerful anticancer agent in in vitro studies, but gene directed enzyme prodrug therapy (GDEPT) studies showed ambivalent results. Thus, HRP/IAA in antibody directed enzyme prodrug therapy (ADEPT) was investigated as an alternative. However, this approach has not been intensively studied, since the enzyme preparation from plant describes an undefined mixture of isoenzymes with a heterogenic glycosylation pattern incompatible with the human system. Here, we describe the recombinant production of the two HRP isoenzymes C1A and A2A in a Pichia pastoris benchmark strain and a glyco‐engineered strain with a knockout of the α‐1,6‐mannosyltransferase (OCH1) responsible for hypermannosylation. We biochemically characterized the enzyme variants, tested them with IAA and applied them on cancer cells. In the absence of H2O2, HRP C1A turned out to be highly active with IAA, independent of its surface glycosylation. Subsequent in vitro cytotoxicity studies with human T24 bladder carcinoma and MDA‐MB‐231 breast carcinoma cells underlined the applicability of recombinant HRP C1A with reduced surface glycoslyation for targeted cancer treatment. Summarizing, this is the first study describing the successful use of recombinantly produced HRP for targeted cancer treatment. Our findings might pave the way for an increased use of the powerful isoenzyme HRP C1A in cancer research in the future.
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Affiliation(s)
- Günther Bonifert
- Research Area Biochemical Engineering, Institute of Chemical Engineering, Vienna University of Technology, Vienna, Austria
| | - Lisa Folkes
- Department of Oncology Oxford Institute for Radiation Oncology, University of Oxford, Northwood, Middlesex, U.K
| | - Christoph Gmeiner
- Research Area Biochemical Engineering, Institute of Chemical Engineering, Vienna University of Technology, Vienna, Austria
| | - Gabi Dachs
- Mackenzie Cancer Research Group, Department of Pathology, University of Otago, Christchurch, New Zealand
| | - Oliver Spadiut
- Research Area Biochemical Engineering, Institute of Chemical Engineering, Vienna University of Technology, Vienna, Austria
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Abstract
The methylotrophic yeast Pichia pastoris is a widely used host organism for recombinant protein production in biotechnology and pharmaceutical industry. However, if the target product describes a glycoprotein, an α-1,6-mannosyltransferase located in the Golgi apparatus of P. pastoris, called OCH1, triggers hypermannosylation of the recombinant protein which significantly impedes following unit operations and hampers biopharmaceutical product applications. A knockout of the och1 gene allows the production of less-glycosylated proteins-however, morphology and physiology of P. pastoris also change, complicating the upstream process. Here, we describe a controlled and efficient bioprocess based on the specific substrate uptake rate (q s) for a recombinant P. pastoris OCH1 knockout strain expressing a peroxidase as model protein.
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Krainer FW, Darnhofer B, Birner-Gruenberger R, Glieder A. Recombinant production of a peroxidase-protein G fusion protein in Pichia pastoris. J Biotechnol 2016; 219:24-7. [DOI: 10.1016/j.jbiotec.2015.12.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2015] [Revised: 12/10/2015] [Accepted: 12/14/2015] [Indexed: 02/01/2023]
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Dai M, Yu C, Fang T, Fu L, Wang J, Zhang J, Ren J, Xu J, Zhang X, Chen W. Identification and Functional Characterization of Glycosylation of Recombinant Human Platelet-Derived Growth Factor-BB in Pichia pastoris. PLoS One 2015; 10:e0145419. [PMID: 26701617 PMCID: PMC4689512 DOI: 10.1371/journal.pone.0145419] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Accepted: 12/03/2015] [Indexed: 01/02/2023] Open
Abstract
Yeast Pichia pastoris is a widely used system for heterologous protein expression. However, post-translational modifications, especially glycosylation, usually impede pharmaceutical application of recombinant proteins because of unexpected alterations in protein structure and function. The aim of this study was to identify glycosylation sites on recombinant human platelet-derived growth factor-BB (rhPDGF-BB) secreted by P. pastoris, and investigate possible effects of O-linked glycans on PDGF-BB functional activity. PDGF-BB secreted by P. pastoris is very heterogeneous and contains multiple isoforms. We demonstrated that PDGF-BB was O-glycosylated during the secretion process and detected putative O-glycosylation sites using glycosylation staining and immunoblotting. By site-directed mutagenesis and high-resolution LC/MS analysis, we, for the first time, identified two threonine residues at the C-terminus as the major O-glycosylation sites on rhPDGF-BB produced in P. pastoris. Although O-glycosylation resulted in heterogeneous protein expression, the removal of glycosylation sites did not affect rhPDGF-BB mitogenic activity. In addition, the unglycosylated PDGF-BBΔGly mutant exhibited the immunogenicity comparable to that of the wild-type form. Furthermore, antiserum against PDGF-BBΔGly also recognized glycosylated PDGF-BB, indicating that protein immunogenicity was unaltered by glycosylation. These findings elucidate the effect of glycosylation on PDGF-BB structure and biological activity, and can potentially contribute to the design and production of homogeneously expressed unglycosylated or human-type glycosylated PDGF-BB in P. pastoris for pharmaceutical applications.
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Affiliation(s)
- Mengmeng Dai
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing, China
- Clinical Laboratory, The 148th Hospital of PLA, Zibo, China
| | - Changming Yu
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Ting Fang
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Ling Fu
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Jing Wang
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Jun Zhang
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Jun Ren
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Junjie Xu
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing, China
| | - Xiaopeng Zhang
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing, China
- * E-mail: (WC); (XZ)
| | - Wei Chen
- Laboratory of Vaccine and Antibody Engineering, Beijing Institute of Biotechnology, Beijing, China
- * E-mail: (WC); (XZ)
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Sreenivas S, Krishnaiah SM, Shyam Mohan AH, Mallikarjun N, Govindappa N, Chatterjee A, Sastry KN. Disruption of KEX1 gene reduces the proteolytic degradation of secreted two-chain Insulin glargine in Pichia pastoris. Protein Expr Purif 2015; 118:1-9. [PMID: 26470649 DOI: 10.1016/j.pep.2015.10.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Revised: 10/05/2015] [Accepted: 10/06/2015] [Indexed: 10/22/2022]
Abstract
Insulin glargine is a slow acting analog of insulin used in diabetes therapy. It is produced by recombinant DNA technology in different hosts namely E. coli and Pichia pastoris. In our previous study, we have described the secretion of fully folded two-chain Insulin glargine into the medium by over-expression of Kex2 protease. The enhanced levels of the Kex2 protease was responsible for the processing of the glargine precursor with in the host. Apart from the two-chain glargine product we observed a small proportion of arginine clipped species. This might be due to the clipping of arginine present at the C-terminus of the B-chain as it is exposed upon Kex2 cleavage. The carboxypeptidase precursor Kex1 is known to be responsible for clipping of C-terminal lysine or arginine of the proteins or peptides. In order to address this issue we created a Kex1 knock out in the host using Cre/loxP mechanism of targeted gene deletion. When two-chain glargine was expressed in the Kex1 knock out host of P. pastoris GS115 the C-terminal clipped species reduced by ∼80%. This modification further improved the process by reducing the levels of product related impurities.
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Affiliation(s)
- Suma Sreenivas
- Biocon Research Limited, Plot No. 2&3, Phase IV, Bommasandra-Jigani Link Road, Bangalore, 560099, Karnataka, India.
| | - Sateesh M Krishnaiah
- Molecular Diagnostics Laboratory, Dept. of Microbiology & Biotechnology, Bangalore University, JnanaBharathi Campus, Bangalore, 560 056, Karnataka, India
| | - Anil H Shyam Mohan
- Biocon Research Limited, Plot No. 2&3, Phase IV, Bommasandra-Jigani Link Road, Bangalore, 560099, Karnataka, India
| | - Niveditha Mallikarjun
- Biocon Research Limited, Plot No. 2&3, Phase IV, Bommasandra-Jigani Link Road, Bangalore, 560099, Karnataka, India
| | - Nagaraja Govindappa
- Biocon Research Limited, Plot No. 2&3, Phase IV, Bommasandra-Jigani Link Road, Bangalore, 560099, Karnataka, India
| | - Amarnath Chatterjee
- Biocon Research Limited, Plot No. 2&3, Phase IV, Bommasandra-Jigani Link Road, Bangalore, 560099, Karnataka, India
| | - Kedarnath N Sastry
- Biocon Research Limited, Plot No. 2&3, Phase IV, Bommasandra-Jigani Link Road, Bangalore, 560099, Karnataka, India
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Lange K, Schmid A, Julsing MK. Δ9-Tetrahydrocannabinolic acid synthase production in Pichia pastoris enables chemical synthesis of cannabinoids. J Biotechnol 2015. [DOI: 10.1016/j.jbiotec.2015.06.425] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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48
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Combining Protein and Strain Engineering for the Production of Glyco-Engineered Horseradish Peroxidase C1A in Pichia pastoris. Int J Mol Sci 2015; 16:23127-42. [PMID: 26404235 PMCID: PMC4632689 DOI: 10.3390/ijms161023127] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Revised: 09/14/2015] [Accepted: 09/15/2015] [Indexed: 12/20/2022] Open
Abstract
Horseradish peroxidase (HRP), conjugated to antibodies and lectins, is widely used in medical diagnostics. Since recombinant production of the enzyme is difficult, HRP isolated from plant is used for these applications. Production in the yeast Pichia pastoris (P. pastoris), the most promising recombinant production platform to date, causes hyperglycosylation of HRP, which in turn complicates conjugation to antibodies and lectins. In this study we combined protein and strain engineering to obtain an active and stable HRP variant with reduced surface glycosylation. We combined four mutations, each being beneficial for either catalytic activity or thermal stability, and expressed this enzyme variant as well as the unmutated wildtype enzyme in both a P. pastoris benchmark strain and a strain where the native α-1,6-mannosyltransferase (OCH1) was knocked out. Considering productivity in the bioreactor as well as enzyme activity and thermal stability, the mutated HRP variant produced in the P. pastoris benchmark strain turned out to be interesting for medical diagnostics. This variant shows considerable catalytic activity and thermal stability and is less glycosylated, which might allow more controlled and efficient conjugation to antibodies and lectins.
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Advances and needs for endotoxin-free production strains. Appl Microbiol Biotechnol 2015; 99:9349-60. [PMID: 26362682 DOI: 10.1007/s00253-015-6947-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Revised: 08/16/2015] [Accepted: 08/20/2015] [Indexed: 10/23/2022]
Abstract
The choice of an appropriate microbial host cell and suitable production conditions is crucial for the downstream processing of pharmaceutical- and food-grade products. Although Escherichia coli serves as a highly valuable leading platform for the production of value-added products, like most Gram-negative bacteria, this bacterium contains a potent immunostimulatory lipopolysaccharide (LPS), referred to as an endotoxin. In contrast, Gram-positive bacteria, notably Bacillus, lactic acid bacteria (LAB), Corynebacterium, and yeasts have been extensively used as generally recognized as safe (GRAS) endotoxin-free platforms for the production of a variety of products. This review summarizes the currently available knowledge on the utilization of these representative Gram-positive bacteria for the production of eco- and bio-friendly products, particularly natural polyesters, polyhydroxyalkanoates, bacteriocins, and membrane proteins. The successful case studies presented here serve to inspire the use of these microorganisms as a main-player or by-player depending on their individual properties for the industrial production of these desirable targets.
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Expression and characterization of camel chymosin in Pichia pastoris. Protein Expr Purif 2015; 111:75-81. [DOI: 10.1016/j.pep.2015.03.012] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Revised: 03/20/2015] [Accepted: 03/22/2015] [Indexed: 11/20/2022]
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