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Edwardson TGW, Levasseur MD, Tetter S, Steinauer A, Hori M, Hilvert D. Protein Cages: From Fundamentals to Advanced Applications. Chem Rev 2022; 122:9145-9197. [PMID: 35394752 DOI: 10.1021/acs.chemrev.1c00877] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Proteins that self-assemble into polyhedral shell-like structures are useful molecular containers both in nature and in the laboratory. Here we review efforts to repurpose diverse protein cages, including viral capsids, ferritins, bacterial microcompartments, and designed capsules, as vaccines, drug delivery vehicles, targeted imaging agents, nanoreactors, templates for controlled materials synthesis, building blocks for higher-order architectures, and more. A deep understanding of the principles underlying the construction, function, and evolution of natural systems has been key to tailoring selective cargo encapsulation and interactions with both biological systems and synthetic materials through protein engineering and directed evolution. The ability to adapt and design increasingly sophisticated capsid structures and functions stands to benefit the fields of catalysis, materials science, and medicine.
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Affiliation(s)
| | | | - Stephan Tetter
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Angela Steinauer
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Mao Hori
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
| | - Donald Hilvert
- Laboratory of Organic Chemistry, ETH Zurich, 8093 Zurich, Switzerland
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Zalewska-Piątek B, Piątek R. Bacteriophages as Potential Tools for Use in Antimicrobial Therapy and Vaccine Development. Pharmaceuticals (Basel) 2021; 14:331. [PMID: 33916345 PMCID: PMC8066226 DOI: 10.3390/ph14040331] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 03/19/2021] [Accepted: 04/02/2021] [Indexed: 12/16/2022] Open
Abstract
The constantly growing number of people suffering from bacterial, viral, or fungal infections, parasitic diseases, and cancers prompts the search for innovative methods of disease prevention and treatment, especially based on vaccines and targeted therapy. An additional problem is the global threat to humanity resulting from the increasing resistance of bacteria to commonly used antibiotics. Conventional vaccines based on bacteria or viruses are common and are generally effective in preventing and controlling various infectious diseases in humans. However, there are problems with the stability of these vaccines, their transport, targeted delivery, safe use, and side effects. In this context, experimental phage therapy based on viruses replicating in bacterial cells currently offers a chance for a breakthrough in the treatment of bacterial infections. Phages are not infectious and pathogenic to eukaryotic cells and do not cause diseases in human body. Furthermore, bacterial viruses are sufficient immuno-stimulators with potential adjuvant abilities, easy to transport, and store. They can also be produced on a large scale with cost reduction. In recent years, they have also provided an ideal platform for the design and production of phage-based vaccines to induce protective host immune responses. The most promising in this group are phage-displayed vaccines, allowing for the display of immunogenic peptides or proteins on the phage surfaces, or phage DNA vaccines responsible for expression of target genes (encoding protective antigens) incorporated into the phage genome. Phage vaccines inducing the production of specific antibodies may in the future protect us against infectious diseases and constitute an effective immune tool to fight cancer. Moreover, personalized phage therapy can represent the greatest medical achievement that saves lives. This review demonstrates the latest advances and developments in the use of phage vaccines to prevent human infectious diseases; phage-based therapy, including clinical trials; and personalized treatment adapted to the patient's needs and the type of bacterial infection. It highlights the advantages and disadvantages of experimental phage therapy and, at the same time, indicates its great potential in the treatment of various diseases, especially those resistant to commonly used antibiotics. All the analyses performed look at the rich history and development of phage therapy over the past 100 years.
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Affiliation(s)
- Beata Zalewska-Piątek
- Department of Molecular Biotechnology and Microbiology, Chemical Faculty, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland;
| | - Rafał Piątek
- Department of Molecular Biotechnology and Microbiology, Chemical Faculty, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland;
- BioTechMed Center, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
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Bacterial Virus Lambda Gpd-Fusions to Cathelicidins, α- and β-Defensins, and Disease-Specific Epitopes Evaluated for Antimicrobial Toxicity and Ability to Support Phage Display. Viruses 2019; 11:v11090869. [PMID: 31533281 PMCID: PMC6784203 DOI: 10.3390/v11090869] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 09/05/2019] [Accepted: 09/12/2019] [Indexed: 11/23/2022] Open
Abstract
We showed that antimicrobial polypeptides, when translated as gene fusions to the bacteriophage lambda capsid decoration protein gpD, formed highly toxic molecules within E. coli, suggesting that they can retain their antimicrobial activity conformation when fused to gpD. These include gpD-fusions to human and porcine cathelicidins LL37 and PR39, β-defensins HBD3 and DEFB126-Δ (deleted for its many COOH-terminal glycosylation sites), and α-defensin HD5. Antimicrobial toxicity was only observed when the peptides were displayed from the COOH-terminal, and not the NH2-terminal end, of gpD. This suggests that COOH-terminal displayed polypeptides of gpD-fusions can more readily form an active-state conformation than when they are displayed from the NH2-terminal end of gpD. The high toxicity of the COOH-displayed gpD-defensins suggests either that the fused defensin peptides can be oxidized, forming three correct intramolecular disulfide bonds within the cytosol of bacterial cells, or that the versions without disulfide bonds are highly toxigenic. We showed the high efficiency of displaying single epitope 17 amino-acid fusions to gpD on LDP (lambda display particles), even when the gpD-fusion protein was toxic. The efficient formation of high display density LDP, displaying a single disease specific epitope (DSE), suggests the utility of LDP-DSE constructs for use as single epitope vaccines (SEV).
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Delunardo F, Soldati D, Bellisario V, Berry A, Camerini S, Crescenzi M, Alessandri C, Conti F, Ceccarelli F, Francia A, Valesini G, Cirulli F, Siracusano A, Siracusano A, Niolu C, Alex Rubino I, Ortona E, Margutti P. Anti-GAPDH Autoantibodies as a Pathogenic Determinant and Potential Biomarker of Neuropsychiatric Diseases. Arthritis Rheumatol 2016; 68:2708-2716. [PMID: 27213890 DOI: 10.1002/art.39750] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Accepted: 05/05/2016] [Indexed: 12/17/2022]
Abstract
OBJECTIVE To investigate the potential role of circulating autoantibodies specific to neuronal cell surface antigens in the pathophysiology of neuropsychiatric disorders. METHODS Two different kinds of immunoscreening approaches were used to identify autoantigens associated with neuropsychiatric disorders in the serum of patients with schizophrenia. The presence of autoantibodies specific to the identified autoantigens was then tested in patients with various psychiatric disorders and in patients with systemic lupus erythematosus (SLE) and concomitant neuropsychiatric manifestations. Furthermore, the potential pathogenic role of these autoantibodies was assessed both in vitro and in vivo. RESULTS GAPDH was identified as a novel autoantigen associated with neuropsychiatric disorders. Serum anti-GAPDH IgG was detected in the serum of 51% of patients with schizophrenia and 50% of patients with major depression. Moreover, SLE patients with comorbid psychiatric manifestations presented significantly higher serum levels of anti-GAPDH antibodies than did SLE patients without psychiatric manifestations (P = 0.004 by chi-square test). Of note, a significant positive correlation (R = 0.48, P = 0.0049, by Spearman's rank correlation test) was found between the levels of serum anti-GAPDH antibodies and cognitive dysfunction in patients with SLE. In vitro analysis of the effects of purified human anti-GAPDH autoantibodies on SH-SY5Y cells showed an immediate neurite retraction. Finally, in vivo administration of anti-GAPDH autoantibodies in the right cerebral ventricle of C57BL/6J mice resulted in specific behavioral changes associated with a detrimental cognitive and emotional profile. CONCLUSION Overall, these data suggest that anti-GAPDH autoantibodies play a role in the pathogenesis of neuropsychiatric disorders, thus representing a potentially promising tool for the screening of individual vulnerability to these disabling conditions.
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Interaction analysis through proteomic phage display. BIOMED RESEARCH INTERNATIONAL 2014; 2014:176172. [PMID: 25295249 PMCID: PMC4177731 DOI: 10.1155/2014/176172] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Revised: 08/11/2014] [Accepted: 08/19/2014] [Indexed: 11/29/2022]
Abstract
Phage display is a powerful technique for profiling specificities of peptide binding domains. The method is suited for the identification of high-affinity ligands with inhibitor potential when using highly diverse combinatorial peptide phage libraries. Such experiments further provide consensus motifs for genome-wide scanning of ligands of potential biological relevance. A complementary but considerably less explored approach is to display expression products of genomic DNA, cDNA, open reading frames (ORFs), or oligonucleotide libraries designed to encode defined regions of a target proteome on phage particles. One of the main applications of such proteomic libraries has been the elucidation of antibody epitopes. This review is focused on the use of proteomic phage display to uncover protein-protein interactions of potential relevance for cellular function. The method is particularly suited for the discovery of interactions between peptide binding domains and their targets. We discuss the largely unexplored potential of this method in the discovery of domain-motif interactions of potential biological relevance.
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7
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Stutz CC, Zhang X, Shusta EV. Combinatorial approaches for the identification of brain drug delivery targets. Curr Pharm Des 2014; 20:1564-76. [PMID: 23789958 PMCID: PMC5814116 DOI: 10.2174/13816128113199990459] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Accepted: 06/18/2013] [Indexed: 11/22/2022]
Abstract
The blood-brain barrier (BBB) represents a large obstacle for the treatment of central nervous system diseases. Targeting endogenous nutrient transporters that transcytose the BBB is one promising approach to selectively and noninvasively deliver a drug payload to the brain. The main limitations of the currently employed transcytosing receptors are their ubiquitous expression in the peripheral vasculature and the inherent low levels of transcytosis mediated by such systems. In this review, approaches designed to increase the repertoire of transcytosing receptors which can be targeted for the purpose of drug delivery are discussed. In particular, combinatorial protein libraries can be screened on BBB cells in vitro or in vivo to isolate targeting peptides or antibodies that can trigger transcytosis. Once these targeting reagents are discovered, the cognate BBB transcytosis system can be identified using techniques such as expression cloning or immunoprecipitation coupled with mass spectrometry. Continued technological advances in BBB genomics and proteomics, membrane protein manipulation, and in vitro BBB technology promise to further advance the capability to identify and optimize peptides and antibodies capable of mediating drug transport across the BBB.
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Affiliation(s)
| | | | - Eric V Shusta
- Department of Chemical and Biological Engineering, University of Wisconsin-Madison, 1415 Engineering Drive, Madison, WI 53706, USA.
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Cui J, Ren HJ, Liu RD, Wang L, Zhang ZF, Wang ZQ. Phage-displayed specific polypeptide antigens induce significant protective immunity against Trichinella spiralis infection in BALB/c mice. Vaccine 2013; 31:1171-7. [DOI: 10.1016/j.vaccine.2012.12.070] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2012] [Revised: 12/04/2012] [Accepted: 12/24/2012] [Indexed: 11/24/2022]
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Li W. ORF phage display to identify cellular proteins with different functions. Methods 2012; 58:2-9. [PMID: 22836128 DOI: 10.1016/j.ymeth.2012.07.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2011] [Accepted: 07/11/2012] [Indexed: 01/17/2023] Open
Abstract
Open reading frame (ORF) phage display is a new branch of phage display aimed at improving its efficiency to identify cellular proteins with specific binding or functional activities. Despite the success of phage display with antibody libraries and random peptide libraries, phage display with cDNA libraries of cellular proteins identifies a high percentage of non-ORF clones encoding unnatural short peptides with minimal biological implications. This is mainly because of the uncontrollable reading frames of cellular proteins in conventional cDNA libraries. ORF phage display solves this problem by eliminating non-ORF clones to generate ORF cDNA libraries. Here I summarize the procedures of ORF phage display, discuss the factors influencing its efficiency, present examples of its versatile applications, and highlight evidence of its capability of identifying biologically relevant cellular proteins. ORF phage display coupled with different selection strategies is capable of delineating diverse functions of cellular proteins with unique advantages.
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Affiliation(s)
- Wei Li
- Bascom Palmer Eye Institute, Department of Ophthalmology, University of Miami School of Medicine, 1638 NW 10th Avenue, Miami, FL 33136, USA.
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Smelyanski L, Gershoni JM. Site directed biotinylation of filamentous phage structural proteins. Virol J 2011; 8:495. [PMID: 22044460 PMCID: PMC3256129 DOI: 10.1186/1743-422x-8-495] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2011] [Accepted: 11/01/2011] [Indexed: 11/17/2022] Open
Abstract
Filamentous bacteriophages have been used in numerous applications for the display of antibodies and random peptide libraries. Here we describe the introduction of a 13 amino acid sequence LASIFEAQKIEWR (designated BT, which is biotinylated in vivo by E. coli) into the N termini of four of the five structural proteins of the filamentous bacteriophage fd (Proteins 3, 7, 8 and 9). The in vivo and in vitro biotinylation of the various phages were compared. The production of multifunctional phages and their application as affinity reagents are demonstrated.
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Affiliation(s)
- Larisa Smelyanski
- Department of Cell Research and Immunology, George S, Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv, 69978 Israel
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Identification of calpain substrates by ORF phage display. Molecules 2011; 16:1739-48. [PMID: 21339709 PMCID: PMC3175615 DOI: 10.3390/molecules16021739] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2011] [Accepted: 02/18/2011] [Indexed: 11/17/2022] Open
Abstract
Substrate identification is the key to defining molecular pathways or cellular processes regulated by proteases. Although phage display with random peptide libraries has been used to analyze substrate specificity of proteases, it is difficult to deduce endogenous substrates from mapped peptide motifs. Phage display with conventional cDNA libraries identifies high percentage of non-open reading frame (non-ORF) clones, which encode short unnatural peptides, owing to uncontrollable reading frames of cellular proteins. We recently developed ORF phage display to identify endogenous proteins with specific binding or functional activity with minimal reading frame problem. Here we used calpain 2 as a protease to demonstrate that ORF phage display is capable of identifying endogenous substrates and showed its advantage to re-verify and characterize the identified substrates without requiring pure substrate proteins. An ORF phage display cDNA library with C-terminal biotin was bound to immobilized streptavidin and released by cleavage with calpain 2. After three rounds of phage selection, eleven substrates were identified, including calpastatin of endogenous calpain inhibitor. These results suggest that ORF phage display is a valuable technology to identify endogenous substrates for proteases.
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Hayes S, Gamage LNA, Hayes C. Dual expression system for assembling phage lambda display particle (LDP) vaccine to porcine Circovirus 2 (PCV2). Vaccine 2010; 28:6789-99. [PMID: 20674873 DOI: 10.1016/j.vaccine.2010.07.047] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2010] [Revised: 07/07/2010] [Accepted: 07/15/2010] [Indexed: 11/16/2022]
Abstract
The bacteriophage lambda small capsid protein D forms trimers on the phage head. D-fusion polypeptides can be expressed from plasmids in E. coli and remain soluble without aggregation. We report a dual expression system for the display of four immunodominant regions of porcine Circovirus 2 (PCV2) capsid protein (CAP) as D-CAP fusions on lambda display particles (LDP). The LDP-D-CAP preparation proved an effective vaccine in pigs, eliciting both cellular and humoral immune responses and PCV2 neutralizing antibodies. In our dual system wild type D expression was encoded by a heteroimmune infecting phage. The D-fusion protein expression in the infected cells was from an inducible plasmid, enabling the deferral of D-fusion expression until needed. The effective vaccine preparation depended upon the gradient purification of very high concentration, essentially tail-less display particles, not previously described.
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Affiliation(s)
- Sidney Hayes
- Department of Microbiology and Immunology, College of Medicine, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK S7N 5E5 Canada.
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Papoff G, Trivieri N, Crielesi R, Ruberti F, Marsilio S, Ruberti G. FADD-calmodulin interaction: a novel player in cell cycle regulation. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2010; 1803:898-911. [PMID: 20420860 DOI: 10.1016/j.bbamcr.2010.04.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2009] [Revised: 03/26/2010] [Accepted: 04/12/2010] [Indexed: 11/16/2022]
Abstract
Analyses of knockout and mutant transgenic mice as well as in vitro studies demonstrated a complex role of FADD in the regulation of cell fate. FADD is involved in death receptor induced apoptosis, cell cycle progression and cell proliferation. In a search for mechanisms that might regulate FADD functions, we identified, upon the screening of a lambda-phage cDNA library, calmodulin (CaM) as a novel FADD interacting protein. CaM is a key mediator of signals by the secondary messenger calcium and it is an essential regulator of cell cycle progression and cell survival. Here, we describe the identification and characterization of two calcium dependent CaM binding sites in the alpha helices 8-9 and 10-11 of FADD. Phosphorylation of human FADD at the C-terminal serine 194, by casein kinase I alpha (CKIalpha), has been shown to regulate FADD-dependent non-apoptotic activities. Remarkably, we showed that both FADD and CaM are CKIalpha substrates and that in synchronized HeLa cells, FADD, CaM and CKIalpha co-localize at the mitotic spindle in metaphase and anaphase. Moreover, complementation experiments in Jurkat FADD-/- T cells indicated that: a) cells expressing FADD mutants in the CaM binding sites are protected from Taxol-induced G2/M cell cycle arrest; b) FADD/CaM interaction is not required for Fas receptor-mediated apoptosis although Fas and CaM might compete for binding to FADD. We suggest that the interplay of FADD, CaM and CKIalpha may have an important role in the regulation of cell fate.
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Affiliation(s)
- Giuliana Papoff
- Istituto di Biologia Cellulare, Consiglio Nazionale delle Ricerche, Campus A. Buzzati-Traverso, Monterotondo, Rome, Italy
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Caberoy NB, Zhou Y, Jiang X, Alvarado G, Li W. Efficient identification of tubby-binding proteins by an improved system of T7 phage display. J Mol Recognit 2010; 23:74-83. [PMID: 19718693 DOI: 10.1002/jmr.983] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Mutation in the tubby gene causes adult-onset obesity, progressive retinal, and cochlear degeneration with unknown mechanism. In contrast, mutations in tubby-like protein 1 (Tulp1), whose C-terminus is highly homologous to tubby, only lead to retinal degeneration. We speculate that their diverse N-terminus may define their distinct disease profile. To elucidate the binding partners of tubby, we used tubby N-terminus (tubby-N) as bait to identify unknown binding proteins with open-reading-frame (ORF) phage display. T7 phage display was engineered with three improvements: high-quality ORF phage display cDNA library, specific phage elution by protease cleavage, and dual phage display for sensitive high throughput screening. The new system is capable of identifying unknown bait-binding proteins in as fast as approximately 4-7 days. While phage display with conventional cDNA libraries identifies high percentage of out-of-frame unnatural short peptides, all 28 tubby-N-binding clones identified by ORF phage display were ORFs. They encode 16 proteins, including 8 nuclear proteins. Fourteen proteins were analyzed by yeast two-hybrid assay and protein pull-down assay with ten of them independently verified. Comparative binding analyses revealed several proteins binding to both tubby and Tulp1 as well as one tubby-specific binding protein. These data suggest that tubby-N is capable of interacting with multiple nuclear and cytoplasmic protein binding partners. These results demonstrated that the newly-engineered ORF phage display is a powerful technology to identify unknown protein-protein interactions.
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Affiliation(s)
- Nora B Caberoy
- Bascom Palmer Eye Institute, Department of Ophthalmology, University of Miami Miller School of Medicine, Miami, Florida 33136, USA
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Di Niro R, Sulic AM, Mignone F, D'Angelo S, Bordoni R, Iacono M, Marzari R, Gaiotto T, Lavric M, Bradbury ARM, Biancone L, Zevin-Sonkin D, De Bellis G, Santoro C, Sblattero D. Rapid interactome profiling by massive sequencing. Nucleic Acids Res 2010; 38:e110. [PMID: 20144949 PMCID: PMC2875021 DOI: 10.1093/nar/gkq052] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
We have developed a high-throughput protein expression and interaction analysis platform that combines cDNA phage display library selection and massive gene sequencing using the 454 platform. A phage display library of open reading frame (ORF) fragments was created from mRNA derived from different tissues. This was used to study the interaction network of the enzyme transglutaminase 2 (TG2), a multifunctional enzyme involved in the regulation of cell growth, differentiation and apoptosis, associated with many different pathologies. After two rounds of panning with TG2 we assayed the frequency of ORFs within the selected phage population using 454 sequencing. Ranking and analysis of more than 120 000 sequences allowed us to identify several potential interactors, which were subsequently confirmed in functional assays. Within the identified clones, three had been previously described as interacting proteins (fibronectin, SMOC1 and GSTO2), while all the others were new. When compared with standard systems, such as microtiter enzyme-linked immunosorbant assay, the method described here is dramatically faster and yields far more information about the interaction under study, allowing better characterization of complex systems. For example, in the case of fibronectin, it was possible to identify the specific domains involved in the interaction.
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Affiliation(s)
- Roberto Di Niro
- Department of Life Sciences, University of Trieste, Trieste, Italy
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New perspective for phage display as an efficient and versatile technology of functional proteomics. Appl Microbiol Biotechnol 2009; 85:909-19. [PMID: 19885657 DOI: 10.1007/s00253-009-2277-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2009] [Revised: 09/23/2009] [Accepted: 09/23/2009] [Indexed: 10/20/2022]
Abstract
Phage display with antibody libraries has been widely used with versatile applications. However, phage display with cDNA libraries is rare and inefficient. Because of uncontrollable reading frames and stop codons in cDNA repertoires, high percentage of phage clones identified from conventional cDNA libraries are non-open reading frames (non-ORFs) encoding unnatural short peptides with minimal implications in protein networks. Consequently, phage display has not been used as a technology of functional proteomics to elucidate protein-protein interactions like yeast two-hybrid system and mass spectrometry-based technologies. Several strategies, including C-terminal display and ORF cDNA libraries, have been explored to circumvent the technical problem. The accumulative endeavors eventually led to the efficient elucidation of a large number of tubby- and phosphatidylserine-binding proteins in recent studies by ORF phage display with minimal reading frame issue. ORF phage display inherits all the versatile applications of antibody phage display, but enables efficient identification of real endogenous proteins with efficiency, sensitivity, and accuracy comparable to other technologies of functional proteomics. Its ELISA-like procedure can be conveniently adapted by individual laboratories or fully automated for high-throughput screening. Thus, ORF phage display is an efficient, sensitive, versatile, and convenient technology of functional proteomics for elucidation of global and pathway-specific protein-protein interactions, disease mechanisms, or therapeutic targets.
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Efficient identification of phosphatidylserine-binding proteins by ORF phage display. Biochem Biophys Res Commun 2009; 386:197-201. [PMID: 19520055 DOI: 10.1016/j.bbrc.2009.06.010] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2009] [Accepted: 06/05/2009] [Indexed: 12/28/2022]
Abstract
To efficiently elucidate the biological roles of phosphatidylserine (PS), we developed open-reading-frame (ORF) phage display to identify PS-binding proteins. The procedure of phage panning was optimized with a phage clone expressing MFG-E8, a well-known PS-binding protein. Three rounds of phage panning with ORF phage display cDNA library resulted in approximately 300-fold enrichment in PS-binding activity. A total of 17 PS-binding phage clones were identified. Unlike phage display with conventional cDNA libraries, all 17 PS-binding clones were ORFs encoding 13 real proteins. Sequence analysis revealed that all identified PS-specific phage clones had dimeric basic amino acid residues. GST fusion proteins were expressed for 3 PS-binding proteins and verified for their binding activity to PS liposomes, but not phosphatidylcholine liposomes. These results elucidated previously unknown PS-binding proteins and demonstrated that ORF phage display is a versatile technology capable of efficiently identifying binding proteins for non-protein molecules like PS.
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Naturally occurring and disease-associated auto-antibodies against topoisomerase I: a fine epitope mapping study in systemic sclerosis and systemic lupus erythematosus. Int Immunol 2009; 21:415-22. [DOI: 10.1093/intimm/dxp008] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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Efficient system for biotinylated recombinant Ets-1 production in Escherichia coli: a useful tool for studying interactions between Ets-1 and its partners. Protein Expr Purif 2008; 62:53-63. [PMID: 18639639 DOI: 10.1016/j.pep.2008.06.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2008] [Revised: 06/19/2008] [Accepted: 06/19/2008] [Indexed: 11/24/2022]
Abstract
Identification of Ets-1 interaction partners is critical for understanding its properties. Ets-1 DNA-binding is governed by an intramolecular mechanism called autoinhibition. Ets-1 increases its DNA-binding affinity by counteracting autoinhibition through binding either to a particular organization of Ets binding sites (EBS) in palindrome, as in the Stromelysin-1 promoter, or to EBS adjacent to DNA-binding sites of its partners by combinatorial interactions, as in the Collagenase-1 promoter. Identification of new Ets-1 interaction partners should allow the identification of new functions for this transcription factor. To this end, we fused a biotin tag to Ets-1 protein in order to copurify it and its partners by affinity. For the first time, we cloned, produced in Escherichia coli and purified a biotinylated recombinant Ets-1 protein using the T7-Impact system (New England Biolabs), adapted to induce biotinylation. Nearly 100% biotinylation was attained without altering Ets-1 properties. Biotinylated Ets-1 bound to and transactivated the Stromelysin-1 promoter the same way as native Ets-1 did. It also conserved interactions with known Ets-1 partners such as c-Jun, Erk-2 and Runx-1. In addition, streptavidin pull-down and surface plasmon resonance assays demonstrated that biotinylated Ets-1 is a useful tool for qualitative and quantitative studies of Ets-1 interaction with its partners.
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Abstract
This review focusses on the isolation of proteins from genomic or cDNA expression products libraries displayed on phage. The use of phage display is highlighted for the characterization of binding proteins with diverse biological functions. Phage display is compared with another strategy, the yeast two-hybrid method. The combination of both strategies is especially powerful to eliminate false positives and to get information on the biochemical functions of proteins.
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Affiliation(s)
- Jean-Luc Jestin
- URA CNRS 2128, Département de Biologie Structurale et Chimie, Institut Pasteur, 25 rue du Dr. Roux, 75724 Paris 15, France.
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Bair CL, Oppenheim A, Trostel A, Prag G, Adhya S. A phage display system designed to detect and study protein-protein interactions. Mol Microbiol 2008; 67:719-28. [PMID: 18179417 DOI: 10.1111/j.1365-2958.2007.06077.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Analysing protein-protein interactions is critical in proteomics and drug discovery. The usage of 2-Hybrid (2lambda) systems is limited to an in vivo environment. We describe a bacteriophage 2-Hybrid system for studying protein interactions in vitro. Bait and prey are displayed as fusions to the surface of phage lambda that are marked with different selectable drug-resistant markers. An interaction of phages in vitro through displayed proteins allows bacterial infection by two phages resulting in double drug-resistant bacterial colonies at very low multiplicity of infections. We demonstrate interaction of the protein sorting signal Ubiquitin with the Vps9-CUE, a Ubiquitin binding domain, and by the interaction of (Gly-Glu)(4) and (Gly-Arg)(4) peptides. Interruptions of the phage interactions by non-fused (free) bait or prey molecules show how robust and unique our approach is. We also demonstrate the use of Ubiquitin and CUE display phages to find binding partners in a lambda-display library. The unique usefulness to 2lambda is also described.
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Affiliation(s)
- Catherine L Bair
- Laboratory of Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA
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Phage display: a useful tool for malaria research? Trends Parasitol 2007; 24:18-23. [PMID: 18037345 DOI: 10.1016/j.pt.2007.09.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2007] [Revised: 08/24/2007] [Accepted: 09/21/2007] [Indexed: 11/15/2022]
Abstract
Defining the molecular intricacies of malaria pathogenesis is a vital area of medical and scientific research. Sophisticated methods have been developed to identify and characterise host-parasite interactions that are important in infection. Phage display involves the combinatorial display of proteins or peptides on the surface of bacteriophage. The technology provides an invaluable tool for screening diverse libraries for polypeptides that have a high affinity for a given target. Phage display in malaria research has proven successful, not only in mapping the protein-protein interactions that are important in Plasmodium biology, but also in the identification of molecules that might be exploited in the design of therapeutic agents or vaccines.
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Levy R, Molineux IJ, Iverson BL, Georgiou G. Isolation of trans-acting genes that enhance soluble expression of scFv antibodies in the E. coli cytoplasm by lambda phage display. J Immunol Methods 2007; 321:164-73. [PMID: 17328908 DOI: 10.1016/j.jim.2007.01.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2006] [Revised: 01/10/2007] [Accepted: 01/18/2007] [Indexed: 01/21/2023]
Abstract
Functional antibody fragments with native disulfide bonds can be expressed in Escherichia coli trxB gor mutant strains having an oxidizing cytoplasm that allows the formation of disulfide bonds. However, expression yields in the cytoplasm are generally lower than those obtained by secretion into the periplasm. We developed a novel methodology for the screening of genomic DNA fragments that enhance expression yields of scFvs in the cytoplasm of trxB gor cells by capitalizing on bacteriophage lambda display. The anti-digoxin 26.10 scFv was displayed on lambda as a fusion to the coat protein gpD. A genomic E. coli library was cloned into lambdagt11 downstream from the lac promoter and used to lysogenize cells transformed with a plasmid encoding the scFv-gpD fusion. Following induction of expression of the cloned gene fragments, phage was prepared and screened for improved functional display via panning against immobilized hapten. Phage exhibiting improved display was isolated after two rounds. One of the isolated clones, encoding the N-terminal domain of the alpha-subunit of RNA polymerase (alpha-NTD), was shown to increase the yield of scFv expressed in soluble form in the cytoplasm.
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Affiliation(s)
- Raphael Levy
- Institute for Cell and Molecular Biology, University of Texas, Austin, TX 78712-1064, USA
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Roman I, Figys J, Steurs G, Zizi M. Hunting interactomes of a membrane protein: obtaining the largest set of voltage-dependent anion channel-interacting protein epitopes. Mol Cell Proteomics 2006; 5:1667-80. [PMID: 16735301 DOI: 10.1074/mcp.t600009-mcp200] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The identification of epitopes involved in protein-protein interactions is essential for understanding protein structure and function. Large scale efforts, although identifying the interactions, did not always yield these epitopes, could not confirm most of the known interactions, and seemed particularly unsuccessful for native intrinsic membrane proteins. We have developed a fluidics-based approach (non-steady-state kinetics) to obtain the broadest set of the epitopes interacting with a given target and applied it to a phage display methodology optimized for membrane proteins. Phages expressing a liver cDNA library were screened against a membrane protein (voltage-dependent anion channel) reconstituted into liposomes and captured on a chip surface. The controlled fluidics was obtained by a surface plasmon resonance (SPR) device that combined the advantages of working with minute reaction volumes and non-equilibrium conditions. We demonstrated selective enrichment of binders and could even select for different binding affinities by fractionation of the selected outputs at various elution times. With voltage-dependent anion channel as bait (a mitochondrial channel critical for cellular metabolism and apoptosis) we found at least 40% of its already reported ligands and independently confirmed 55 novel functional interactions, some of which fully blocked the channel. This highly efficient approach is generally applicable for any protein and could be automated and scaled up even without the use of a SPR device. The epitopes directly identified by this method are useful not only for unraveling interactomes but also for drug design and therapeutics.
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Affiliation(s)
- Inge Roman
- Department of Physiology (FYSP), Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium
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Affiliation(s)
- John W Kehoe
- Biosciences Division, Argonne National Laboratory, Building 202, Argonne, Illinois 60439, USA
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Garufi G, Minenkova O, Lo Passo C, Pernice I, Felici F. Display libraries on bacteriophage lambda capsid. BIOTECHNOLOGY ANNUAL REVIEW 2005; 11:153-90. [PMID: 16216777 DOI: 10.1016/s1387-2656(05)11005-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Phage display is an established technology that has been successfully applied, in the last fifteen years, to projects aimed at deciphering biological processes and/or at the isolation of molecules of practical value in several diverse applications. Bacteriophage lambda, representing a molecular cloning and expression tool widely utilized since decades, has also been exploited to develop vectors for the display of libraries on its capsid. In the last few years, lambda display approach has been consistently offering new enthralling perspectives of technological application, such as domain mapping, antigen discovery, and protein interaction studies or, more generally, in functional genomics.
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Affiliation(s)
- Gabriella Garufi
- Department of Microbiological, Genetic and Molecular Sciences, University of Messina, Italy
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Petrenko VA, Sorokulova IB. Detection of biological threats. A challenge for directed molecular evolution. J Microbiol Methods 2004; 58:147-68. [PMID: 15234514 DOI: 10.1016/j.mimet.2004.04.004] [Citation(s) in RCA: 81] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2004] [Revised: 04/03/2004] [Accepted: 04/06/2004] [Indexed: 11/30/2022]
Abstract
The probe technique originated from early attempts of Anton van Leeuwenhoek to contrast microorganisms under the microscope using plant juices, successful staining of tubercle bacilli with synthetic dyes by Paul Ehrlich and discovery of a stain for differentiation of gram-positive and gram-negative bacteria by Hans Christian Gram. The technique relies on the principle that pathogens have unique structural features, which can be recognized by specifically labeled organic molecules. A hundred years of extensive screening efforts led to discovery of a limited assortment of organic probes that are used for identification and differentiation of bacteria. A new challenge--continuous monitoring of biological threats--requires long lasting molecular probes capable of tight specific binding of pathogens in unfavorable conditions. To respond to the challenge, probe technology is being revolutionized by utilizing methods of combinatorial chemistry, phage display and directed molecular evolution. This review describes how molecular evolution methods are applied for development of peptide, antibody and phage probes, and summarizes the author's own data on development of landscape phage probes against Salmonella typhimurium. The performance of the probes in detection of Salmonella is illustrated by a precipitation test, enzyme-linked immunosorbent assay (ELISA), fluorescence-activated cell sorting (FACS) and fluorescent, optical and electron microscopy.
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Affiliation(s)
- Valery A Petrenko
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, 253 Greene Hall, Auburn, AL 36849, USA.
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