1
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Ogorek AN, Zhou X, Martell JD. Switchable DNA Catalysts for Proximity Labeling at Sites of Protein-Protein Interactions. J Am Chem Soc 2023; 145:16913-16923. [PMID: 37463457 DOI: 10.1021/jacs.3c05578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Proximity labeling (PL) has emerged as a powerful approach to elucidate proteomes within a defined radius around a protein of interest (POI). In PL, a catalyst is attached to the POI and tags nearby endogenous proteins, which are then isolated by affinity purification and identified by mass spectrometry. Although existing PL methods have yielded numerous biological insights, proteomes with greater spatial resolution could be obtained if PL catalysts could be activated at more specific subcellular locations, such as sites where both the POI and a chemical stimulus are present or sites of protein-protein interactions (PPIs). Here, we report DNA-based switchable PL catalysts that are attached to a POI and become activated only when a secondary molecular trigger is present. The DNA catalysts consist of a photocatalyst and a spectral quencher tethered to a DNA oligomer. They are catalytically inactive by default but undergo a conformational change in response to a specific molecular trigger, thus activating PL. We designed a system in which the DNA catalyst becomes activated on living mammalian cells specifically at sites of Her2-Her3 heterodimers and c-Met homodimers, PPIs known to increase the invasion and growth of certain cancers. While this study employs a Ru(bpy)3-type complex for tagging proteins with biotin phenol, the switchable DNA catalyst design is compatible with diverse synthetic PL photocatalysts. Furthermore, the switchable DNA PL catalysts can be constructed from conformation-switching DNA aptamers that respond to small molecules, ions, and proteins, opening future opportunities for PL in highly specific subcellular locations.
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Affiliation(s)
- Ashley N Ogorek
- Department of Chemistry, University of Wisconsin─Madison, Madison, Wisconsin 53706, United States
| | - Xu Zhou
- Department of Chemistry, University of Wisconsin─Madison, Madison, Wisconsin 53706, United States
| | - Jeffrey D Martell
- Department of Chemistry, University of Wisconsin─Madison, Madison, Wisconsin 53706, United States
- Carbone Cancer Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin 53726, United States
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2
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Gluhacevic von Krüchten D, Roth M, Seitz O. DNA-Templated Reactions with High Catalytic Efficiency Achieved by a Loss-of-Affinity Principle. J Am Chem Soc 2022; 144:10700-10704. [PMID: 35696276 DOI: 10.1021/jacs.2c03188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Nucleic-acid-templated chemical reactions are currently explored for applications in DNA-encoded drug discovery, nucleic acid diagnostics, and theranostics. Of particular interest are reactions enabling the template to gain catalytic activity, so that enzymatic amplification of low copy targets would no longer be necessary. Herein, we introduce a new reaction design relying on the template-controlled cleavage of PNA-spermine conjugates. With turnover frequencies in the range of 3-10 min-1 and a kcat/KM = 1.3 × 106 M-1 s-1, the loss of affinity upon reaction provides a catalytic efficiency equal to most enzymatic conversions and superior to nucleic-acid-templated reactions reported to date.
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Affiliation(s)
| | - Magdalena Roth
- Department of Chemistry, Humboldt University of Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
| | - Oliver Seitz
- Department of Chemistry, Humboldt University of Berlin, Brook-Taylor-Str. 2, 12489 Berlin, Germany
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3
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Zhao SJ, Zheng P, Wu Z, Jiang JH. DNA-Templated Bioorthogonal Reactions via Catalytic Hairpin Assembly for Precise RNA Imaging in Live Cells. Anal Chem 2022; 94:2693-2698. [PMID: 35119262 DOI: 10.1021/acs.analchem.1c05509] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
There has been a significant interest in developing proximity-induced bioorthogonal reactions for nucleic acid detection and imaging, owing to their high specificity and tunable reaction kinetics. Herein, we reported the first design of a fluorogenic sensor by coupling a bioorthogonal reaction with a DNA cascade circuit for precise RNA imaging in live cells. Two DNA hairpin probes bearing tetrazines or vinyl ether caged fluorophores were designed and synthesized. Upon target mRNA triggering catalytic hairpin assembly, the chemical reaction partners were brought in a spatial proximity to yield high effective concentrations, which dramatically facilitated the bioorthogonal reaction efficiency to unmask the vinyl ether group to activate fluorescence. The proposed fluorogenic sensor was demonstrated to have a high signal-to-noise ratio up to ∼30 fold and enabled the sensitive detection of target mRNA with a detection limit of 4.6 pM. Importantly, the fluorogenic sensor presented low background signals in biological environments due to the unique "click to release" feature, avoiding false positive results caused by unspecific degradation. We also showed that the fluorogenic sensor could accurately image mRNA in live cells and distinguish the relative mRNA expression levels in both tumor and normal cells. Benefiting from these significant advantages, our method provides a useful tool for basic studies of bioorthogonal chemistry and early clinical diagnosis.
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Affiliation(s)
- Su-Jing Zhao
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Ping Zheng
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Zhenkun Wu
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
| | - Jian-Hui Jiang
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan 410082, China
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4
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Farrera-Soler L, Gonse A, Kim KT, Barluenga S, Winssinger N. Combining recombinase polymerase amplification and DNA-templated reaction for SARS-CoV-2 sensing with dual fluorescence and lateral flow assay output. Biopolymers 2022; 113:e23485. [PMID: 35023571 PMCID: PMC9011641 DOI: 10.1002/bip.23485] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 12/17/2021] [Accepted: 12/20/2021] [Indexed: 12/17/2022]
Abstract
The early phase of the severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) pandemic was exacerbated by a diagnostic challenge of unprecedented magnitude. In the absence of effective therapeutics or vaccines, breaking the chain of transmission through early disease detection and patient isolation was the only means to control the growing pandemic. While polymerase chain reaction (PCR)‐based methods and rapid‐antigen tests rose to the occasion, the analytical challenge of rapid and sequence‐specific nucleic acid‐sensing at a point‐of‐care or home setting stimulated intense developments. Herein we report a method that combines recombinase polymerase amplification and a DNA‐templated reaction to achieve a dual readout with either fluorescence (microtiter plate) or naked eye (lateral flow assay: LFA) detection. The nucleic acid templated reaction is based on an SNAr that simultaneously transfers biotin from one Peptide Nucleic Acid (PNA) strand to another PNA strand, enabling LFA detection while uncaging a coumarin for fluorescence readout. This methodology has been applied to the detection of a DNA or RNA sequence uniquely attributed to the SARS‐CoV‐2.
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Affiliation(s)
- Lluc Farrera-Soler
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, Geneva, Switzerland
| | - Arthur Gonse
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, Geneva, Switzerland
| | - Ki Tae Kim
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, Geneva, Switzerland
| | - Sofia Barluenga
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, Geneva, Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, Geneva, Switzerland
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5
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Liu W, Watson EE, Winssinger N. Photocatalysis in Chemical Biology: Extending the Scope of Optochemical Control and Towards New Frontiers in Semisynthetic Bioconjugates and Biocatalysis. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100179] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Weilong Liu
- Department of Organic Chemistry NCCR Chemical Biology Faculty of Science University of Geneva 30 quai Ernest Ansermet CH-1211 Geneva Switzerland
| | - Emma E. Watson
- Department of Organic Chemistry NCCR Chemical Biology Faculty of Science University of Geneva 30 quai Ernest Ansermet CH-1211 Geneva Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry NCCR Chemical Biology Faculty of Science University of Geneva 30 quai Ernest Ansermet CH-1211 Geneva Switzerland
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6
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Roth M, Seitz O. A Self-immolative Molecular Beacon for Amplified Nucleic Acid Detection*. Chemistry 2021; 27:14189-14194. [PMID: 34516006 PMCID: PMC8597011 DOI: 10.1002/chem.202102600] [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: 07/18/2021] [Indexed: 01/18/2023]
Abstract
Fluorogenic hybridization probes allow the detection of RNA and DNA sequences in homogeneous solution. Typically, one target molecule activates the fluorescence of a single probe molecule. This limits the sensitivity of nucleic acid detection. Herein, we report a self‐immolative molecular beacon (iMB) that escapes the one‐target/one‐probe paradigm. The iMB probe includes a photoreductively cleavable N‐alkyl‐picolinium (NAP) linkage within the loop region. A fluorophore at the 5’‐end serves, on the one hand, as a reporter group and, on the other hand, as a photosensitizer of a NAP‐linker cleavage reaction. In the absence of target, the iMB adopts a hairpin shape. Quencher groups prevent photo‐induced cleavage. The iMB opens upon hybridization with a target, and both fluorescent emission as well as photo‐reductive cleavage of the NAP linker can occur. In contrast to previous chemical amplification reactions, iMBs are unimolecular probes that undergo cleavage leading to products that have lower target affinity than the probes before reaction. Aided by catalysis, the method allowed the detection of 5 pm RNA target within 100 min.
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Affiliation(s)
- Magdalena Roth
- Institute of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
| | - Oliver Seitz
- Institute of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
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7
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Aronoff MR, Hiebert P, Hentzen NB, Werner S, Wennemers H. Imaging and targeting LOX-mediated tissue remodeling with a reactive collagen peptide. Nat Chem Biol 2021; 17:865-871. [PMID: 34253910 DOI: 10.1038/s41589-021-00830-6] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Accepted: 06/09/2021] [Indexed: 02/06/2023]
Abstract
Collagens are fibrous proteins that are integral to the strength and stability of connective tissues. During collagen maturation, lysyl oxidases (LOX) initiate the cross-linking of fibers, but abnormal LOX activity is associated with impaired tissue function as seen in fibrotic and malignant diseases. Visualizing and targeting this dynamic process in healthy and diseased tissue is important, but so far not feasible. Here we present a probe for the simultaneous monitoring and targeting of LOX-mediated collagen cross-linking that combines a LOX-activity sensor with a collagen peptide to chemoselectively target endogenous aldehydes generated by LOX. This synergistic probe becomes covalently anchored and lights up in vivo and in situ in response to LOX at the sites where cross-linking occurs, as demonstrated by staining of normal skin and cancer sections. We anticipate that our reactive collagen-based sensor will improve understanding of collagen remodeling and provide opportunities for the diagnosis of fibrotic and malignant diseases.
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Affiliation(s)
| | - Paul Hiebert
- Institute of Molecular Health Sciences, ETH Zurich, Zurich, Switzerland
| | - Nina B Hentzen
- Laboratory of Organic Chemistry, ETH Zurich, Zurich, Switzerland
| | - Sabine Werner
- Institute of Molecular Health Sciences, ETH Zurich, Zurich, Switzerland
| | - Helma Wennemers
- Laboratory of Organic Chemistry, ETH Zurich, Zurich, Switzerland.
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8
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Watson EE, Angerani S, Sabale PM, Winssinger N. Biosupramolecular Systems: Integrating Cues into Responses. J Am Chem Soc 2021; 143:4467-4482. [DOI: 10.1021/jacs.0c12970] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Emma E. Watson
- University of Geneva, Department of Organic Chemistry, Faculty of Science, NCCR Chem Biol, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Simona Angerani
- University of Geneva, Department of Organic Chemistry, Faculty of Science, NCCR Chem Biol, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Pramod M. Sabale
- University of Geneva, Department of Organic Chemistry, Faculty of Science, NCCR Chem Biol, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Nicolas Winssinger
- University of Geneva, Department of Organic Chemistry, Faculty of Science, NCCR Chem Biol, 30 Quai Ernest Ansermet, CH-1205 Geneva, Switzerland
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9
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Manicardi A, Cadoni E, Madder A. Visible-light triggered templated ligation on surface using furan-modified PNAs. Chem Sci 2020; 11:11729-11739. [PMID: 34094412 PMCID: PMC8162948 DOI: 10.1039/d0sc04875e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 10/02/2020] [Indexed: 12/25/2022] Open
Abstract
Oligonucleotide-templated reactions are frequently exploited for target detection in biosensors and for the construction of DNA-based materials and probes in nanotechnology. However, the translation of the specifically used template chemistry from solution to surfaces, with the final aim of achieving highly selective high-throughput systems, has been difficult to reach and therefore, poorly explored. Here, we show the first example of a visible light-triggered templated ligation on a surface, employing furan-modified peptide nucleic acids (PNAs). Tailored photo-oxidation of the pro-reactive furan moiety is ensured by the simultaneous introduction of a weak photosensitizer as well as a nucleophilic moiety in the reacting PNA strand. This allows one to ensure a localized production of singlet oxygen for furan activation, which is not affected by probe dilution or reducing conditions. Simple white light irradiation in combination with target-induced proximity between reactive functionalities upon recognition of a short 22mer DNA or RNA sequence that functions as a template, allows sensitive detection of nucleic acid targets in a 96 well plate format.
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Affiliation(s)
- Alex Manicardi
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University Krijgslaan 281-S4 9000 Gent Belgium
| | - Enrico Cadoni
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University Krijgslaan 281-S4 9000 Gent Belgium
| | - Annemieke Madder
- Organic and Biomimetic Chemistry Research Group, Department of Organic and Macromolecular Chemistry, Ghent University Krijgslaan 281-S4 9000 Gent Belgium
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10
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Janett E, Diep KL, Fromm KM, Bochet CG. A Simple Reaction for DNA Sensing and Chemical Delivery. ACS Sens 2020; 5:2338-2343. [PMID: 32804492 DOI: 10.1021/acssensors.0c00988] [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: 11/30/2022]
Abstract
Reactions templated by nucleic acids are currently at the heart of applications in biosensing and drug release. The number of chemical reactions selectively occurring only in the presence of the template, in aqueous solutions, and at room temperature and able to release a chemical moiety is still very limited. Here, we report the use of the p-nitrophenyl carbonate (NPC) as a new reactive moiety for DNA templated reactions releasing a colored reporter by reaction with a simple amine. The easily synthesized p-nitrophenyl carbonate was integrated in an oligonucleotide and showed a very good stability as well as a high reactivity toward amines, without the need for any supplementary reagent, quantitatively releasing the red p-nitrophenolate with a half-life of about 1 h.
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Affiliation(s)
- Elia Janett
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
| | - Kim-Long Diep
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
| | - Katharina M. Fromm
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
| | - Christian G. Bochet
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
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11
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Dutta S, Rühle J, Schikora M, Deussner-Helfmann N, Heilemann M, Zatsepin T, Duchstein P, Zahn D, Knör G, Mokhir A. Red light-triggered photoreduction on a nucleic acid template. Chem Commun (Camb) 2020; 56:10026-10029. [PMID: 32728684 DOI: 10.1039/d0cc03086d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Conjugate Sn(iv)(pyropheophorbide a)dichloride-(peptide nucleic acid) catalyzes reduction of azobenzene derivatives in the presence of complementary nucleic acid (NA) upon irridiation with red light (660 nm). This is the first red light-induced NA-templated photoreduction. It is highly sensitive to single mismatches in the NA-template and can detect down to 5 nM NAs.
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Affiliation(s)
- Subrata Dutta
- Department of Chemistry and Pharmacy, Organic Chemistry II, Friedrich-Alexander-University of Erlangen-Nürnberg (FAU), 91058 Erlangen, Germany.
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12
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Seitz O. Templated chemistry for bioorganic synthesis and chemical biology. J Pept Sci 2019; 25:e3198. [PMID: 31309674 PMCID: PMC6771651 DOI: 10.1002/psc.3198] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 05/27/2019] [Accepted: 05/27/2019] [Indexed: 12/24/2022]
Abstract
In light of the 2018 Max Bergmann Medal, this review discusses advancements on chemical biology-driven templated chemistry developed in the author's laboratories. The focused review introduces the template categories applied to orient functional units such as functional groups, chromophores, biomolecules, or ligands in space. Unimolecular templates applied in protein synthesis facilitate fragment coupling of unprotected peptides. Templating via bimolecular assemblies provides control over proximity relationships between functional units of two molecules. As an instructive example, the coiled coil peptide-templated labelling of receptor proteins on live cells will be shown. Termolecular assemblies provide the opportunity to put the proximity of functional units on two (bio)molecules under the control of a third party molecule. This allows the design of conditional bimolecular reactions. A notable example is DNA/RNA-triggered peptide synthesis. The last section shows how termolecular and multimolecular assemblies can be used to better characterize and understand multivalent protein-ligand interactions.
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Affiliation(s)
- Oliver Seitz
- Department of Chemistry, Humboldt University Berlin, Berlin, Germany
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13
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Kim KT, Angerani S, Chang D, Winssinger N. Coupling of DNA Circuit and Templated Reactions for Quadratic Amplification and Release of Functional Molecules. J Am Chem Soc 2019; 141:16288-16295. [DOI: 10.1021/jacs.9b05688] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Ki Tae Kim
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 quai Ernest Ansermet, 1205 Geneva, Switzerland
| | - Simona Angerani
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 quai Ernest Ansermet, 1205 Geneva, Switzerland
| | - Dalu Chang
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 quai Ernest Ansermet, 1205 Geneva, Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 quai Ernest Ansermet, 1205 Geneva, Switzerland
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14
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Saarbach J, Sabale PM, Winssinger N. Peptide nucleic acid (PNA) and its applications in chemical biology, diagnostics, and therapeutics. Curr Opin Chem Biol 2019; 52:112-124. [PMID: 31541865 DOI: 10.1016/j.cbpa.2019.06.006] [Citation(s) in RCA: 115] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Revised: 05/07/2019] [Accepted: 06/06/2019] [Indexed: 12/11/2022]
Abstract
Peptide nucleic acid (PNA) stands as one of the most successful artificial oligonucleotide mimetics. Salient features include the stability of hybridization complexes (either as duplexes or triplexes), metabolic stability, and ease of chemical modifications. These features have enabled important applications such as antisense agents, gene editing, nucleic acid sensing and as a platform to program the assembly of PNA-tagged molecules. Here, we review recent advances in these areas.
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Affiliation(s)
- Jacques Saarbach
- Faculty of Science, Department of Organic Chemistry, NCCR Chemical Biology, University of Geneva 30 quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Pramod M Sabale
- Faculty of Science, Department of Organic Chemistry, NCCR Chemical Biology, University of Geneva 30 quai Ernest Ansermet, CH-1205 Geneva, Switzerland
| | - Nicolas Winssinger
- Faculty of Science, Department of Organic Chemistry, NCCR Chemical Biology, University of Geneva 30 quai Ernest Ansermet, CH-1205 Geneva, Switzerland.
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15
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Zozulia O, Bachmann T, Deussner-Helfmann NS, Beierlein F, Heilemann M, Mokhir A. Red light-triggered nucleic acid-templated reaction based on cyclic oligonucleotide substrates. Chem Commun (Camb) 2019; 55:10713-10716. [PMID: 31429427 DOI: 10.1039/c9cc03587g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A red light-triggered reaction based on cyclic oligonucleotide substrates that is accelerated over 30-fold by specific nucleic acid templates and generates a bright fluorescent probe was developed. We confirmed that this reaction is compatible with fluorescence correlation spectroscopy (FCS) thereby allowing detection of nucleic acids down to 1 nM.
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Affiliation(s)
- Oleksii Zozulia
- Department of Chemistry and Pharmacy, Organic Chemistry II, Friedrich-Alexander-University of Erlangen-Nürnberg (FAU), 91058 Erlangen, Germany.
| | - Tobias Bachmann
- Department of Chemistry and Pharmacy, Organic Chemistry II, Friedrich-Alexander-University of Erlangen-Nürnberg (FAU), 91058 Erlangen, Germany.
| | - Nina S Deussner-Helfmann
- Institute of Physical and Theoretical Chemistry, Johann Wolfgang Goethe-University, 60438 Frankfurt, Germany
| | - Frank Beierlein
- Computer-Chemistry-Center and Interdisciplinary Center for Molecular Materials, Department of Chemistry and Pharmacy, Friedrich-Alexander University Erlangen-Nürnberg (FAU), 91052 Erlangen, Germany
| | - Mike Heilemann
- Institute of Physical and Theoretical Chemistry, Johann Wolfgang Goethe-University, 60438 Frankfurt, Germany
| | - Andriy Mokhir
- Department of Chemistry and Pharmacy, Organic Chemistry II, Friedrich-Alexander-University of Erlangen-Nürnberg (FAU), 91058 Erlangen, Germany.
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16
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Zozulia O, Bachmann T, Mokhir A. Red Light Triggered Fluorogenic Reaction with Picomolar Sensitivity Toward Nucleic Acids. Bioconjug Chem 2019; 30:2023-2031. [PMID: 31195795 DOI: 10.1021/acs.bioconjchem.9b00299] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
We have previously reported on a red light triggered, singlet oxygen-mediated fluorogenic reaction that is templated in a highly sequence specific fashion by nucleic acids (S. Dutta, A. Fulop, A. Mokhir, Bioconjgate Chem. 2013, 24 (9), 1533-1542). Up to the present date, it has remained a single templated reaction responsive to nontoxic >650 nm light. However, it is operative only in the presence of relatively high (>2 nM) concentrations of templates that dramatically limit its applicability in nucleic acid detection. In the current work, we established that an inefficient intermolecular electron transfer involved in reduction of the 1,4-endoperoxide intermediate, formed in the rate-limiting reaction step, is responsible for inhibition of the reaction at low reagent concentrations. We suggested the solution of the problem which includes a combination of a cleavable (9-alkoxyanthracene) moiety with a two-electron donating fragment in one molecule. This approach enables the efficient intramolecular electron transfer to the endoperoxide intermediate in the critical reaction step. Due to the intramolecular character of the latter process, it is practically independent of concentration of the reagents. The reaction based on the improved cleavable moiety was found to be >200-fold more sensitive than the previously reported one. It is fast, sequence specific, and compatible with live cells. Accounting for short reactions times (<30 min), nontoxic trigger (red light), excellent sensitivity, and sequence specificity, this is presently the best reported photochemical templated reaction compatible with live cells.
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Affiliation(s)
- Oleksii Zozulia
- Friedrich-Alexander University Erlangen-Nürnberg (FAU) , Department of Chemistry and Pharmacy, Organic Chemistry Chair II , Nikolaus-Fiebiger-Strasse 10 , 91058 Erlangen , Germany
| | - Tobias Bachmann
- Friedrich-Alexander University Erlangen-Nürnberg (FAU) , Department of Chemistry and Pharmacy, Organic Chemistry Chair II , Nikolaus-Fiebiger-Strasse 10 , 91058 Erlangen , Germany
| | - Andriy Mokhir
- Friedrich-Alexander University Erlangen-Nürnberg (FAU) , Department of Chemistry and Pharmacy, Organic Chemistry Chair II , Nikolaus-Fiebiger-Strasse 10 , 91058 Erlangen , Germany
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17
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Angerani S, Winssinger N. Visible Light Photoredox Catalysis Using Ruthenium Complexes in Chemical Biology. Chemistry 2019; 25:6661-6672. [PMID: 30689234 DOI: 10.1002/chem.201806024] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Indexed: 12/24/2022]
Abstract
The development of bioorthogonal reactions have had a transformative impact in chemical biology and the quest to expand this toolbox continues. Herein we review recent applications of ruthenium-catalyzed photoredox reactions used in chemical biology.
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Affiliation(s)
- Simona Angerani
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 Quai Ernest-Ansermet, 1205, Geneva, Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 Quai Ernest-Ansermet, 1205, Geneva, Switzerland
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18
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Anzola M, Winssinger N. Turn On of a Ruthenium(II) Photocatalyst by DNA-Templated Ligation. Chemistry 2018; 25:334-342. [PMID: 30451338 DOI: 10.1002/chem.201804283] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Indexed: 01/05/2023]
Abstract
Here, the synthesis of a RuII photocatalyst by light-directed oligonucleotide-templated ligation reaction is described. The photocatalyst was found to have tremendous potential for signal amplification with >15000 turnovers measured in 9 hours. A templated reaction was used to turn on the activity of this ruthenium(II) photocatalyst in response to a specific DNA sequence. The photocatalysis of the ruthenium(II) complex was harnessed to uncage a new precipitating dye that is highly fluorescent and photostable in the solid state. This reaction was used to discriminate between different DNA analytes based on localization of the precipitate as well as for in cellulo miRNA detection. Finally, a bipyridine ligand functionalized with two different peptide nucleic acid (PNA) sequences was shown to enable template-mediated ligation (turn on of the ruthenium(II) photocatalysis) and recruitment of substrate for templated photocatalysis.
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Affiliation(s)
- Marcello Anzola
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 Quai Ernest-Ansermet, 1205, Geneva, Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry, NCCR Chemical Biology, Faculty of Science, University of Geneva, 30 Quai Ernest-Ansermet, 1205, Geneva, Switzerland
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19
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Yu Z, Hsieh WC, Asamitsu S, Hashiya K, Bando T, Ly DH, Sugiyama H. Orthogonal γPNA Dimerization Domains Empower DNA Binders with Cooperativity and Versatility Mimicking that of Transcription Factor Pairs. Chemistry 2018; 24:14183-14188. [PMID: 30003621 PMCID: PMC9724550 DOI: 10.1002/chem.201801961] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 06/26/2018] [Indexed: 12/21/2022]
Abstract
Synthetic molecules capable of DNA binding and mimicking cooperation of transcription factor (TF) pairs have long been considered a promising tool for manipulating gene expression. Our previously reported Pip-HoGu system, a programmable DNA binder pyrrole-imidazole polyamides (PIPs) conjugated to host-guest moiety, defined a general framework for mimicking cooperative TF pair-DNA interactions. Here, we supplanted the cooperation modules with left-handed (LH) γPNA modules: i.e., PIPs conjugated with nucleic acid-based cooperation system (Pip-NaCo). LH γPNA was chosen because of its bioorthogonality, sequence-specific interaction, and high binding affinity toward the partner strand. From the results of the Pip-NaCo system, cooperativity is highly comparable to the natural TF pair-DNA system, with a minimum energetics of cooperation of -3.27 kcal mol-1 . Moreover, through changing the linker conjugation site, binding mode, and the length of γPNAs sequence, the cooperative energetics of Pip-NaCo can be tuned independently and rationally. The current Pip-NaCo platform might also have the potential for precise manipulation of biological processes through the construction of triple to multiple heterobinding systems.
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Affiliation(s)
- Zutao Yu
- Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Wei-Che Hsieh
- Institute for Biomolecular Design and Discovery (IBD), Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania, 15213, USA
| | - Sefan Asamitsu
- Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Kaori Hashiya
- Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Toshikazu Bando
- Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
| | - Danith H Ly
- Institute for Biomolecular Design and Discovery (IBD), Department of Chemistry, Carnegie Mellon University, 4400 Fifth Avenue, Pittsburgh, Pennsylvania, 15213, USA
| | - Hiroshi Sugiyama
- Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto, 606-8502, Japan
- Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University, Kitashirakawa-Oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan
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20
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Zavoiura O, Resch-Genger U, Seitz O. Quantum Dot-PNA Conjugates for Target-Catalyzed RNA Detection. Bioconjug Chem 2018; 29:1690-1702. [PMID: 29694033 DOI: 10.1021/acs.bioconjchem.8b00157] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Detection of pathogenic nucleic acids remains one of the most reliable approaches for the diagnosis of a broad range of diseases. Current PCR-based methods require experienced personnel and cannot be easily used for point-of-care diagnostics, making alternative strategies for the sensitive, reliable, and cost-efficient detection of pathogenic nucleic acids highly desirable. Here, we report an enzyme-free method for the fluorometric detection of RNA that relies on a target-induced fluorophore transfer onto a semiconductor quantum dot (QD), uses PNA probes as selective recognition elements and can be read out with simple and inexpensive equipment. For QD-PNA conjugates with optimized PNA content, limits of detection of dengue RNA in the range of 10 pM to 100 nM can be realized within 5 h in the presence of a high excess of noncomplementary RNA.
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Affiliation(s)
- Oleksandr Zavoiura
- Division Biophotonics , Federal Institute for Materials Research and Testing (BAM) , Richard-Willstaetter Strasse 11 , 12489 , Berlin , Germany.,Department of Chemistry , Humboldt University of Berlin , Brook-Taylor-Strasse 2 , 12489 Berlin , Germany.,School of Analytical Sciences Adlershof , Humboldt University of Berlin , Unter den Linden 6 , 10099 , Berlin , Germany
| | - Ute Resch-Genger
- Division Biophotonics , Federal Institute for Materials Research and Testing (BAM) , Richard-Willstaetter Strasse 11 , 12489 , Berlin , Germany
| | - Oliver Seitz
- Department of Chemistry , Humboldt University of Berlin , Brook-Taylor-Strasse 2 , 12489 Berlin , Germany
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21
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Kim KT, Chang D, Winssinger N. Double-Stranded RNA-Specific Templated Reaction with Triplex Forming PNA. Helv Chim Acta 2018. [DOI: 10.1002/hlca.201700295] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Ki Tae Kim
- Department of Organic Chemistry, NCCR Chemical Biology; Faculty of Science; University of Geneva; 30 quai Ernest Ansermet 1211 Geneva Switzerland
| | - Dalu Chang
- Department of Organic Chemistry, NCCR Chemical Biology; Faculty of Science; University of Geneva; 30 quai Ernest Ansermet 1211 Geneva Switzerland
| | - Nicolas Winssinger
- Department of Organic Chemistry, NCCR Chemical Biology; Faculty of Science; University of Geneva; 30 quai Ernest Ansermet 1211 Geneva Switzerland
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