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Loughran ST, Walls D. Tagging Recombinant Proteins to Enhance Solubility and Aid Purification. Methods Mol Biol 2023; 2699:97-123. [PMID: 37646996 DOI: 10.1007/978-1-0716-3362-5_7] [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: 09/01/2023]
Abstract
Protein fusion technology has had a major impact on the efficient production and purification of individual recombinant proteins. The use of genetically engineered affinity and solubility-enhancing polypeptide "tags" has a long history, and there is a considerable repertoire of these that can be used to address issues related to the expression, stability, solubility, folding, and purification of their fusion partner. In the case of large-scale proteomic studies, the development of purification procedures tailored to individual proteins is not practicable, and affinity tags have become indispensable tools for structural and functional proteomic initiatives that involve the expression of many proteins in parallel. In this chapter, the rationale and applications of a range of established and more recently developed solubility-enhancing and affinity tags is described.
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Affiliation(s)
- Sinéad T Loughran
- Department of Life and Health Sciences, School of Health and Science, Dundalk Institute of Technology, Dundalk, Louth, Ireland.
| | - Dermot Walls
- School of Biotechnology, Dublin City University, Dublin, Ireland
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Versatile biomanufacturing through stimulus-responsive cell-material feedback. Nat Chem Biol 2019; 15:1017-1024. [PMID: 31527836 DOI: 10.1038/s41589-019-0357-8] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 08/02/2019] [Indexed: 11/08/2022]
Abstract
Small-scale production of biologics has great potential for enhancing the accessibility of biomanufacturing. By exploiting cell-material feedback, we have designed a concise platform to achieve versatile production, analysis and purification of diverse proteins and protein complexes. The core of our technology is a microbial swarmbot, which consists of a stimulus-sensitive polymeric microcapsule encapsulating engineered bacteria. By sensing the confinement, the bacteria undergo programmed partial lysis at a high local density. Conversely, the encapsulating material shrinks responding to the changing chemical environment caused by cell growth, squeezing out the protein products released by bacterial lysis. This platform is then integrated with downstream modules to enable quantification of enzymatic kinetics, purification of diverse proteins, quantitative control of protein interactions and assembly of functional protein complexes and multienzyme metabolic pathways. Our work demonstrates the use of the cell-material feedback to engineer a modular and flexible platform with sophisticated yet well-defined programmed functions.
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Feroz H, Meisenhelter J, Jokhadze G, Bruening M, Kumar M. Rapid screening and scale‐up of ultracentrifugation‐free, membrane‐based procedures for purification of His‐tagged membrane proteins. Biotechnol Prog 2019; 35:e2859. [DOI: 10.1002/btpr.2859] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 04/13/2019] [Accepted: 05/03/2019] [Indexed: 12/28/2022]
Affiliation(s)
- Hasin Feroz
- Department of Chemical Engineering The Pennsylvania State University University Park Pennsylvania
| | - Joshua Meisenhelter
- Department of Chemical Engineering The Pennsylvania State University University Park Pennsylvania
| | | | - Merlin Bruening
- Department of Chemical and Biomolecular Engineering University of Notre Dame Notre Dame Indiana
| | - Manish Kumar
- Department of Chemical Engineering The Pennsylvania State University University Park Pennsylvania
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Shekhar S, Khan R, Ferreira DM, Mitsi E, German E, Rørvik GH, Berild D, Schenck K, Kwon K, Petersen F. Antibodies Reactive to Commensal Streptococcus mitis Show Cross-Reactivity With Virulent Streptococcus pneumoniae Serotypes. Front Immunol 2018; 9:747. [PMID: 29713324 PMCID: PMC5911667 DOI: 10.3389/fimmu.2018.00747] [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: 12/14/2017] [Accepted: 03/26/2018] [Indexed: 12/05/2022] Open
Abstract
Current vaccines against Streptococcus pneumoniae, a bacterial species that afflicts people by causing a wide spectrum of diseases, do not protect against all pneumococcal serotypes. Thus, alternative vaccines to fight pneumococcal infections that target common proteins are under investigation. One promising strategy is to take advantage of immune cross-reactivity between commensal and pathogenic microbes for cross-protection. In this study, we examined the antibody-mediated cross-reactivity between S. pneumoniae and Streptococcus mitis, a commensal species closely related to S. pneumoniae. Western blot analysis showed that rabbit antisera raised against S. mitis reacted with multiple proteins of virulent S. pneumoniae strains (6B, TIGR4, and D39). Rabbit anti-S. pneumoniae IgG antibodies also showed binding to S. mitis antigens. Incubation of rabbit antisera raised against S. mitis with heterologous or homologous bacterial lysates resulted in marked inhibition of the developments of bands in the Western blots. Furthermore, plasma IgG antibodies from adult human volunteers intranasally inoculated with S. pneumoniae 6B revealed enhanced S. mitis-specific IgG titers compared with the pre-inoculation samples. Using an on-chip protein microarray representing a number of selected membrane and extracellular S. pneumoniae proteins, we identified choline-binding protein D (CbpD), cell division protein (FtsH), and manganese ABC transporter or manganese-binding adhesion lipoprotein (PsaA) as common targets of the rabbit IgG antibodies raised against S. mitis or S. pneumoniae. Cumulatively, these findings provide evidence on the antibody-mediated cross-reactivity of proteins from S. mitis and S. pneumoniae, which may have implications for development of effective and wide-range pneumococcal vaccines.
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Affiliation(s)
- Sudhanshu Shekhar
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, Oslo, Norway
| | - Rabia Khan
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, Oslo, Norway
| | - Daniela M Ferreira
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, United Kingdom
| | - Elena Mitsi
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, United Kingdom
| | - Esther German
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, United Kingdom
| | | | - Dag Berild
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Karl Schenck
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, Oslo, Norway
| | - Keehwan Kwon
- Infectious Diseases Group, J. Craig Venter Institute, Rockville, MD, United States
| | - Fernanda Petersen
- Department of Oral Biology, Faculty of Dentistry, University of Oslo, Oslo, Norway
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Abstract
Speed and throughput are vital ingredients for discovery driven, "-omics" research. The small molecule microarray (SMM) succeeds at delivering phenomenal screening throughput and versatility. The concept at the heart of the technology is elegant, yet simple: by presenting large collections of molecules in high density on a flat surface, one is able to interrogate all possible interactions with desired targets, in just a single step. SMMs have become established as the choice platform for screening, lead discovery, and molecular characterization. This introduction describes the principles governing microarray construction and use, focusing on practical challenges faced when conducting SMM experiments. It will explain the key design considerations and lay the foundation for the chapters that follow. (An earlier version of this chapter appeared in Small Molecule Microarrays: Methods and Protocols, published in 2010.).
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Affiliation(s)
- Mahesh Uttamchandani
- Defence Medical and Environmental Research Institute, DMERI, DSO National Laboratories, #09-01, 27 Medical Drive, Singapore, Singapore, 117510. .,Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore, Singapore, 117543.
| | - Shao Q Yao
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, Singapore, Singapore, 117543.
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Abstract
Protein fusion technology has had a major impact on the efficient production and purification of individual recombinant proteins. The use of genetically engineered affinity and solubility-enhancing polypeptide "tags" has increased greatly in recent years and there now exists a considerable repertoire of these that can be used to solve issues related to the expression, stability, solubility, folding, and purification of their fusion partner. In the case of large-scale proteomic studies, the development of purification procedures tailored to individual proteins is not practicable, and affinity tags have therefore become indispensable tools for structural and functional proteomic initiatives that involve the expression of many proteins in parallel. Here, the rationale and applications of a range of established and more recently developed solubility-enhancing and affinity tags is described.
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Affiliation(s)
- Sinéad T Loughran
- Department of Applied Sciences, Dundalk Institute of Technology, Dundalk, Ireland
| | - Dermot Walls
- School of Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland.
- National Centre for Sensor Research, Dublin City University, Glasnevin, Dublin 9, Ireland.
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Ashaari NS, Ramarad S, Khairuddin D, Akhir NAM, Hara Y, Mahadi NM, Mohamed R, Nathan S. Development of repeatable arrays of proteins using immobilized DNA microplate (RAPID-M) technology. BMC Res Notes 2015; 8:669. [PMID: 26563904 PMCID: PMC4642736 DOI: 10.1186/s13104-015-1637-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Accepted: 10/26/2015] [Indexed: 11/30/2022] Open
Abstract
Background Protein microarrays have enormous
potential as in vitro diagnostic tools stemming from the ability to miniaturize whilst generating maximum evaluation of diagnostically relevant information from minute amounts of sample. In this report, we present a method known as repeatable arrays of proteins using immobilized DNA microplates (RAPID-M) for high-throughput in situ protein microarray fabrication. The RAPID-M technology comprises of cell-free expression using immobilized DNA templates and in situ protein purification onto standard microarray slides. Results To demonstrate proof-of-concept, the repeatable protein arrays developed using our RAPID-M technology utilized green fluorescent protein (GFP) and a bacterial outer membrane protein (OmpA) as the proteins of interest for microarray fabrication. Cell-free expression of OmpA and GFP proteins using beads-immobilized DNA yielded protein bands with the expected molecular sizes of 27 and 30 kDa, respectively. We demonstrate that the beads-immobilized DNA remained stable for at least four cycles of cell-free expression. The OmpA and GFP proteins were still functional after in situ purification on the Ni–NTA microarray slide. Conclusion The RAPID-M platform for protein microarray fabrication of two different representative proteins was successfully developed.
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Affiliation(s)
- Nur Suhanawati Ashaari
- Malaysia Genome Institute, 43000, Bangi, Selangor DE, Malaysia. .,Xynergen Sdn. Bhd., UKM Technology Centre, 43600, Bangi, Selangor DE, Malaysia.
| | - Suganti Ramarad
- Xynergen Sdn. Bhd., UKM Technology Centre, 43600, Bangi, Selangor DE, Malaysia.
| | - Dzulaikha Khairuddin
- Malaysia Genome Institute, 43000, Bangi, Selangor DE, Malaysia. .,Xynergen Sdn. Bhd., UKM Technology Centre, 43600, Bangi, Selangor DE, Malaysia.
| | - Nor Azurah Mat Akhir
- Malaysia Genome Institute, 43000, Bangi, Selangor DE, Malaysia. .,Xynergen Sdn. Bhd., UKM Technology Centre, 43600, Bangi, Selangor DE, Malaysia.
| | - Yuka Hara
- School of Biosciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor DE, Malaysia. .,INTI International University, Bandar Baru Nilai, 71800, Nilai, Negeri Sembilan, Malaysia.
| | | | - Rahmah Mohamed
- School of Biosciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor DE, Malaysia. .,INTI International University, Bandar Baru Nilai, 71800, Nilai, Negeri Sembilan, Malaysia.
| | - Sheila Nathan
- Malaysia Genome Institute, 43000, Bangi, Selangor DE, Malaysia. .,School of Biosciences and Biotechnology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor DE, Malaysia.
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N Peterson S, Kwon K. The HaloTag: Improving Soluble Expression and Applications in Protein Functional Analysis. CURRENT CHEMICAL GENOMICS 2012; 6:8-17. [PMID: 23115610 PMCID: PMC3480702 DOI: 10.2174/1875397301206010008] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2011] [Revised: 07/13/2012] [Accepted: 07/18/2012] [Indexed: 12/22/2022]
Abstract
Technological and methodological advances have been critical for the rapidly evolving field of proteomics. The development of fusion tag systems is essential for purification and analysis of recombinant proteins. The HaloTag is a 34 KDa monomeric protein derived from a bacterial haloalkane dehalogenase. The majority of fusion tags in use today utilize a reversible binding interaction with a specific ligand. The HaloTag system is unique in that it forms a covalent linkage to its chloroalkane ligand. This linkage permits attachment of the HaloTag to a variety of functional reporters, which can be used to label and immobilize recombinant proteins. The success rate for HaloTag expression of soluble proteins is very high and comparable to maltose binding protein (MBP) tag. Furthermore, cleavage of the HaloTag does not result in protein insolubility that often is observed with the MBP tag. In the present report, we describe applications of the HaloTag system in our ongoing investigation of protein-protein interactions of the Y. pestis Type 3 secretion system on a custom protein microarray. We also describe the utilization of affinity purification/mass spectroscopy (AP/MS) to evaluate the utility of the Halo Tag system to characterize DNA binding activity and protein specificity.
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Affiliation(s)
- Scott N Peterson
- J. Craig Venter Institute, 9704 Medical Center Drive, Rockville, Maryland 20850, USA
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Young CL, Britton ZT, Robinson AS. Recombinant protein expression and purification: A comprehensive review of affinity tags and microbial applications. Biotechnol J 2012; 7:620-34. [DOI: 10.1002/biot.201100155] [Citation(s) in RCA: 312] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2011] [Revised: 11/23/2011] [Accepted: 11/29/2011] [Indexed: 12/27/2022]
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Walls D, Loughran ST. Tagging recombinant proteins to enhance solubility and aid purification. Methods Mol Biol 2011; 681:151-175. [PMID: 20978965 DOI: 10.1007/978-1-60761-913-0_9] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Protein fusion technology has enormously facilitated the efficient production and purification of individual recombinant proteins. The use of genetically engineered affinity and solubility-enhancing polypeptide "tags" has increased greatly in recent years and there now exists a considerable repertoire of these that can be used to solve issues related to the expression, stability, solubility, folding, and purification of their fusion partner. In the case of large-scale proteomic studies, the development of purification procedures tailored to individual proteins is not practicable, and affinity tags have therefore become indispensable tools for structural and functional proteomic initiatives that involve the expression of many proteins in parallel. Here, the rationale and applications of a range of established and more recently developed solubility-enhancing and affinity tags are outlined.
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Affiliation(s)
- Dermot Walls
- School of Biotechnology and National Centre for Sensor Research, Dublin City University, Dublin, Ireland.
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Cho EJ, Jung S, Lee K, Lee HJ, Nam KC, Bae HJ. Fluorescent receptor-immobilized silica-coated magnetic nanoparticles as a general binding agent for histidine-tagged proteins. Chem Commun (Camb) 2010; 46:6557-9. [DOI: 10.1039/c0cc00991a] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Abstract
Speed and throughput are vital ingredients for discovery-driven, "-omics" research. The small molecule microarray is one such platform, which delivers phenomenal screening throughput and capabilities. The concept at the heart of the technology is elegant, yet simple: by presenting large collections of molecules at a high density on a flat surface, one is able to interrogate them quickly and conveniently, evaluating all possible interactions in a single step. SMMs have, over the last decade, been established as a robust platform for screening, lead discovery, and molecular characterization. In this chapter, we describe the ways in which microarrays have been constructed and applied, focusing on the practical challenges faced when designing and performing SMM experiments. This is written as an introduction for new readers to the field, explaining the key principles and laying the foundation for the chapters that follow.
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Affiliation(s)
- Mahesh Uttamchandani
- DSO National Laboratories, Defence Medical and Environmental Research Institute, Singapore, Singapore
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