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Stark JC, Jaroentomeechai T, Warfel KF, Hershewe JM, DeLisa MP, Jewett MC. Rapid biosynthesis of glycoprotein therapeutics and vaccines from freeze-dried bacterial cell lysates. Nat Protoc 2023:10.1038/s41596-022-00799-z. [PMID: 37328605 DOI: 10.1038/s41596-022-00799-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 11/22/2022] [Indexed: 06/18/2023]
Abstract
The advent of distributed biomanufacturing platforms promises to increase agility in biologic production and expand access by reducing reliance on refrigerated supply chains. However, such platforms are not capable of robustly producing glycoproteins, which represent the majority of biologics approved or in development. To address this limitation, we developed cell-free technologies that enable rapid, modular production of glycoprotein therapeutics and vaccines from freeze-dried Escherichia coli cell lysates. Here, we describe a protocol for generation of cell-free lysates and freeze-dried reactions for on-demand synthesis of desired glycoproteins. The protocol includes construction and culture of the bacterial chassis strain, cell-free lysate production, assembly of freeze-dried reactions, cell-free glycoprotein synthesis, and glycoprotein characterization, all of which can be completed in one week or less. We anticipate that cell-free technologies, along with this comprehensive user manual, will help accelerate development and distribution of glycoprotein therapeutics and vaccines.
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Affiliation(s)
- Jessica C Stark
- Department of Chemistry & Sarafan ChEM-H, Stanford University, Stanford, CA, USA.
| | - Thapakorn Jaroentomeechai
- Copenhagen Center for Glycomics, Departments of Cellular and Molecular Medicine, Faculty of Health Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Katherine F Warfel
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL, USA
- Center for Synthetic Biology, Northwestern University, Evanston, IL, USA
- Chemistry of Life Processes Institute, Northwestern University, Evanston, IL, USA
| | - Jasmine M Hershewe
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL, USA
- Center for Synthetic Biology, Northwestern University, Evanston, IL, USA
- Chemistry of Life Processes Institute, Northwestern University, Evanston, IL, USA
| | - Matthew P DeLisa
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, USA.
| | - Michael C Jewett
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL, USA.
- Center for Synthetic Biology, Northwestern University, Evanston, IL, USA.
- Chemistry of Life Processes Institute, Northwestern University, Evanston, IL, USA.
- Robert H. Lurie Comprehensive Cancer Center, Northwestern University, Chicago, IL, USA.
- Simpson-Querrey Institute, Northwestern University, Chicago, IL, USA.
- Department of Bioengineering, Stanford University, Stanford, CA, USA.
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Jaroentomeechai T, Stark JC, Natarajan A, Glasscock CJ, Yates LE, Hsu KJ, Mrksich M, Jewett MC, DeLisa MP. Single-pot glycoprotein biosynthesis using a cell-free transcription-translation system enriched with glycosylation machinery. Nat Commun 2018; 9:2686. [PMID: 30002445 PMCID: PMC6043479 DOI: 10.1038/s41467-018-05110-x] [Citation(s) in RCA: 113] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 06/06/2018] [Indexed: 12/13/2022] Open
Abstract
The emerging discipline of bacterial glycoengineering has made it possible to produce designer glycans and glycoconjugates for use as vaccines and therapeutics. Unfortunately, cell-based production of homogeneous glycoproteins remains a significant challenge due to cell viability constraints and the inability to control glycosylation components at precise ratios in vivo. To address these challenges, we describe a novel cell-free glycoprotein synthesis (CFGpS) technology that seamlessly integrates protein biosynthesis with asparagine-linked protein glycosylation. This technology leverages a glyco-optimized Escherichia coli strain to source cell extracts that are selectively enriched with glycosylation components, including oligosaccharyltransferases (OSTs) and lipid-linked oligosaccharides (LLOs). The resulting extracts enable a one-pot reaction scheme for efficient and site-specific glycosylation of target proteins. The CFGpS platform is highly modular, allowing the use of multiple distinct OSTs and structurally diverse LLOs. As such, we anticipate CFGpS will facilitate fundamental understanding in glycoscience and make possible applications in on demand biomanufacturing of glycoproteins. The ability to produce homogeneous glycoproteins is expected to advance fundamental understanding in glycoscience, but current in vivo-based production systems have several limitations. Here, the authors develop an E. coli extract-based one-pot system for customized production of N-linked glycoproteins.
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Affiliation(s)
- Thapakorn Jaroentomeechai
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Jessica C Stark
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL, 60208, USA.,Chemistry of Life Processes Institute, 2170 Campus Drive, Evanston, IL, 60208-3120, USA.,Center for Synthetic Biology, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208-3120, USA
| | - Aravind Natarajan
- Department of Microbiology, Cornell University, Ithaca, NY, 14853, USA
| | - Cameron J Glasscock
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Laura E Yates
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Karen J Hsu
- Department of Mechanical Engineering, Northwestern University, 2145 Sheridan Rd Technological Institute B224, Evanston, IL, 60208-3120, USA
| | - Milan Mrksich
- Center for Synthetic Biology, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208-3120, USA.,Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA.,Department of Cell and Molecular Biology, Northwestern University, Chicago, IL, 60611, USA.,Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Michael C Jewett
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL, 60208, USA. .,Chemistry of Life Processes Institute, 2170 Campus Drive, Evanston, IL, 60208-3120, USA. .,Center for Synthetic Biology, Northwestern University, 2145 Sheridan Road, Evanston, IL, 60208-3120, USA.
| | - Matthew P DeLisa
- Robert Frederick Smith School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY, 14853, USA. .,Department of Microbiology, Cornell University, Ithaca, NY, 14853, USA.
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Guarino C, DeLisa MP. A prokaryote-based cell-free translation system that efficiently synthesizes glycoproteins. Glycobiology 2011; 22:596-601. [PMID: 22068020 DOI: 10.1093/glycob/cwr151] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Asparagine-linked (N-linked) protein glycosylation has been observed in all domains of life, including most recently in bacteria and is now widely considered a universal post-translational modification. However, cell-based production of homogeneous glycoproteins for laboratory and preparative purposes remains a significant challenge due in part to the complexity of this process in vivo. To address this issue, an easily available and highly controllable Escherichia coli-based cell-free system for the production of N-linked glycoproteins was developed. The method was created by coupling existing in vitro translation systems with an N-linked glycosylation pathway reconstituted from defined components. The translation/glycosylation system yielded efficiently glycosylated target proteins at a rate of hundreds of micrograms/milliliters in half a day. This is the first time a prokaryote-based cell-free protein synthesis system has generated N-linked glycoproteins.
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Affiliation(s)
- Cassandra Guarino
- Comparative Biomedical Sciences, Cornell University, Ithaca, NY 14853, USA
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Abstract
Prokaryotic and eukaryotic cells cotranslationally incorporate the unusual amino acid selenocysteine at a UGA codon, which conventionally serves as a termination signal. Translation of selenoprotein gene transcripts in eukaryotes depends upon a "selenocysteine insertion sequence" in the 3'-untranslated region. We have previously shown that DNA-binding protein B specifically binds this sequence element. We now report the identification of nucleolin as a partner in the selenoprotein translation complex. In RNA electromobility shift assays, nucleolin binds the selenocysteine insertion sequence from the human cellular glutathione peroxidase gene, competes with binding activity from COS cells, and shows diminished affinity for probes with mutations in functionally important, conserved sequence elements. Antibody to nucleolin interferes with the gel shift activity of COS cell extract. Antibody to DNA-binding protein B co-extracts nucleolin from HeLa cell cytosol, and the two proteins co-sediment in glycerol gradient fractions of ribosomal high salt extracts. Thus, nucleolin appears to join DNA-binding protein B and possibly other partners to form a large complex that links the selenocysteine insertion sequence in the 3'-untranslated region to other elements in the coding region and ribosome to translate the UGA "stop" codon as selenocysteine.
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Affiliation(s)
- R Wu
- Department of Pediatrics, University of Massachusetts Medical School, and the University of Massachusetts Cancer Center, Worcester, Massachusetts 01605, USA
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Tranque P, Hu MC, Edelman GM, Mauro VP. rRNA complementarity within mRNAs: a possible basis for mRNA-ribosome interactions and translational control. Proc Natl Acad Sci U S A 1998; 95:12238-43. [PMID: 9770470 PMCID: PMC22815 DOI: 10.1073/pnas.95.21.12238] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Our recent demonstration that many eukaryotic mRNAs contain sequences complementary to rRNA led to the hypothesis that these sequences might mediate specific interactions between mRNAs and ribosomes and thereby affect translation. In the present experiments, the ability of complementary sequences to bind to rRNA was investigated by using photochemical cross-linking. RNA probes with perfect complementarity to 18S or 28S rRNA were shown to cross-link specifically to the corresponding rRNA within intact ribosomal subunits. Similar results were obtained by using probes based on natural mRNA sequences with varying degrees of complementarity to the 18S rRNA. RNase H cleavage localized four such probes to complementary regions of the 18S rRNA. The effects of complementarity on translation were assessed by using the mRNA encoding ribosomal protein S15. This mRNA contains a sequence within its coding region that is complementary to the 18S rRNA at 20 of 22 nucleotides. RNA from an S15-luciferase fusion construct was translated in a cell-free lysate and compared with the translation of four related constructs that were mutated to decrease complementarity to the 18S rRNA. These mutations did not alter the amino acid sequence or the codon bias. A correlation between complementarity and translation was observed; constructs with less complementarity increased the amount of translation up to 54%. These findings raised the possibility that direct base-pairing of particular mRNAs to rRNAs within ribosomes may function as a mechanism of translational control.
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Affiliation(s)
- P Tranque
- Department of Neurobiology, The Scripps Research Institute and The Skaggs Institute for Chemical Biology, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
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