1
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Schlosser J, Ihmels H. Ligands for Abasic Site-containing DNA and their Use as Fluorescent Probes. Curr Org Synth 2023; 20:96-113. [PMID: 35170411 DOI: 10.2174/1570179419666220216091422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Revised: 12/16/2021] [Accepted: 12/16/2021] [Indexed: 12/16/2022]
Abstract
Apurinic and apyrimidinic sites, also referred to as abasic or AP sites, are residues of duplex DNA in which one DNA base is removed from a Watson-Crick base pair. They are formed during the enzymatic repair of DNA and offer binding sites for a variety of guest molecules. Specifically, the AP site may bind an appropriate ligand as a substitute for the missing nucleic base, thus stabilizing the abasic site-containing DNA (AP-DNA). Notably, ligands that bind selectively to abasic sites may be employed for analytical and therapeutical purposes. As a result, there is a search for structural features that establish a strong and selective association of a given ligand with the abasic position in DNA. Against this background, this review provides an overview of the different classes of ligands for abasic site-containing DNA (AP-DNA). This review covers covalently binding substrates, namely amine and oxyamine derivatives, as well as ligands that bind to AP-DNA by noncovalent association, as represented by small heterocyclic aromatic compounds, metal-organic complexes, macrocyclic cyclophanes, and intercalator-nucleobase conjugates. As the systematic development of fluorescent probes for AP-DNA has been somewhat neglected so far, this review article contains a survey of the available reports on the fluorimetric response of the ligand upon binding to the AP-DNA. Based on these data, this compilation shall present a perspective for future developments of fluorescent probes for AP-DNA.
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Affiliation(s)
- Julika Schlosser
- Department of Chemistry and Biology, University of Siegen, Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Heiko Ihmels
- Department of Chemistry and Biology, University of Siegen, Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
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2
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Kaiser F, Endeward B, Collauto A, Scheffer U, Prisner TF, Göbel MW. Spin-Labeled Riboswitch Synthesized from a Protected TPA Phosphoramidite Building Block. Chemistry 2022; 28:e202201822. [PMID: 35903916 PMCID: PMC9804336 DOI: 10.1002/chem.202201822] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Indexed: 01/05/2023]
Abstract
The nitroxide TPA (2,2,5,5-tetramethyl-pyrrolin-1-oxyl-3-acetylene) is an excellent spin label for EPR studies of RNA. Previous synthetic methods, however, are complicated and require special equipment. Herein, we describe a uridine derived phosphoramidite with a photocaged TPA unit attached. The light sensitive 2-nitrobenzyloxymethyl group can be removed in high yield by short irradiation at 365 nm. Based on this approach, a doubly spin-labeled 27mer neomycin sensing riboswitch was synthesized and studied by PELDOR. The overall thermal stability of the fold is not much reduced by TPA. In-line probing nevertheless detected changes in local mobility.
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Affiliation(s)
- Frank Kaiser
- Institute for Organic Chemistry and Chemical BiologyGoethe University FrankfurtMax-von-Laue-Strasse 760438Frankfurt am MainGermany
| | - Burkhard Endeward
- Institute for Physical and Theoretical ChemistryGoethe University FrankfurtMax-von-Laue-Strasse 760438Frankfurt am MainGermany
| | - Alberto Collauto
- Institute for Physical and Theoretical ChemistryGoethe University FrankfurtMax-von-Laue-Strasse 760438Frankfurt am MainGermany
| | - Ute Scheffer
- Institute for Organic Chemistry and Chemical BiologyGoethe University FrankfurtMax-von-Laue-Strasse 760438Frankfurt am MainGermany
| | - Thomas F. Prisner
- Institute for Physical and Theoretical ChemistryGoethe University FrankfurtMax-von-Laue-Strasse 760438Frankfurt am MainGermany
| | - Michael W. Göbel
- Institute for Organic Chemistry and Chemical BiologyGoethe University FrankfurtMax-von-Laue-Strasse 760438Frankfurt am MainGermany
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3
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Zhao J, Gong Y. Amiloride-modulated phosphorescence turn-off/on method for the detection of abasic site-containing dsRNA based on uridine triphosphate-capped Mn-doped ZnS quantum dots. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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4
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Miao Q, Nitsche C, Orton H, Overhand M, Otting G, Ubbink M. Paramagnetic Chemical Probes for Studying Biological Macromolecules. Chem Rev 2022; 122:9571-9642. [PMID: 35084831 PMCID: PMC9136935 DOI: 10.1021/acs.chemrev.1c00708] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Indexed: 12/11/2022]
Abstract
Paramagnetic chemical probes have been used in electron paramagnetic resonance (EPR) and nuclear magnetic resonance (NMR) spectroscopy for more than four decades. Recent years witnessed a great increase in the variety of probes for the study of biological macromolecules (proteins, nucleic acids, and oligosaccharides). This Review aims to provide a comprehensive overview of the existing paramagnetic chemical probes, including chemical synthetic approaches, functional properties, and selected applications. Recent developments have seen, in particular, a rapid expansion of the range of lanthanoid probes with anisotropic magnetic susceptibilities for the generation of structural restraints based on residual dipolar couplings and pseudocontact shifts in solution and solid state NMR spectroscopy, mostly for protein studies. Also many new isotropic paramagnetic probes, suitable for NMR measurements of paramagnetic relaxation enhancements, as well as EPR spectroscopic studies (in particular double resonance techniques) have been developed and employed to investigate biological macromolecules. Notwithstanding the large number of reported probes, only few have found broad application and further development of probes for dedicated applications is foreseen.
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Affiliation(s)
- Qing Miao
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, Leiden 2333 CC, The Netherlands
- School
of Chemistry &Chemical Engineering, Shaanxi University of Science & Technology, Xi’an710021, China
| | - Christoph Nitsche
- Research
School of Chemistry, The Australian National
University, Sullivans Creek Road, Canberra, Australian Capital Territory 2601, Australia
| | - Henry Orton
- Research
School of Chemistry, The Australian National
University, Sullivans Creek Road, Canberra, Australian Capital Territory 2601, Australia
- ARC
Centre of Excellence for Innovations in Peptide & Protein Science,
Research School of Chemistry, Australian
National University, Sullivans Creek Road, Canberra, Australian Capital Territory 2601, Australia
| | - Mark Overhand
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, Leiden 2333 CC, The Netherlands
| | - Gottfried Otting
- Research
School of Chemistry, The Australian National
University, Sullivans Creek Road, Canberra, Australian Capital Territory 2601, Australia
- ARC
Centre of Excellence for Innovations in Peptide & Protein Science,
Research School of Chemistry, Australian
National University, Sullivans Creek Road, Canberra, Australian Capital Territory 2601, Australia
| | - Marcellus Ubbink
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, Leiden 2333 CC, The Netherlands
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5
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Eidelpes R, Hofer F, Röck M, Führer S, Kamenik AS, Liedl KR, Tollinger M. Structure and Zeatin Binding of the Peach Allergen Pru p 1. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:8120-8129. [PMID: 34260238 PMCID: PMC8323099 DOI: 10.1021/acs.jafc.1c01876] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 06/18/2021] [Accepted: 07/02/2021] [Indexed: 05/29/2023]
Abstract
Peach (Prunus persica) is among the fruits most frequently reported to cause food allergies. Allergic reactions commonly result from previous sensitization to the birch pollen allergen Bet v 1, followed by immunological cross-reactivity of IgE antibodies to structurally related proteins in peach. In this study, we present the three-dimensional NMR solution structure of the cross-reactive peach allergen Pru p 1 (isoform Pru p 1.0101). This 17.5 kDa protein adopts the canonical Bet v 1 fold, composed of a seven-stranded β-sheet and three α-helices enclosing an internal cavity. In Pru p 1, the inner surface of the cavity contains an array of hydroxyl-bearing amino acids surrounded by a hydrophobic patch, constituting a docking site for amphiphilic molecules. NMR-guided docking of the cytokinin molecule zeatin to the internal cavity of Pru p 1 provides a structure-based rationale for the effect that zeatin binding has on the protein's RNase activity.
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Affiliation(s)
- Reiner Eidelpes
- Institute
of Organic Chemistry, Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
| | - Florian Hofer
- Institute
of General, Inorganic and Theoretical Chemistry, Center for Molecular
Biosciences Innsbruck (CMBI), University
of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
| | - Manuel Röck
- Institute
of Organic Chemistry, Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
| | - Sebastian Führer
- Institute
of Organic Chemistry, Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
| | - Anna Sophia Kamenik
- Institute
of General, Inorganic and Theoretical Chemistry, Center for Molecular
Biosciences Innsbruck (CMBI), University
of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
| | - Klaus R. Liedl
- Institute
of General, Inorganic and Theoretical Chemistry, Center for Molecular
Biosciences Innsbruck (CMBI), University
of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
| | - Martin Tollinger
- Institute
of Organic Chemistry, Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck, Innrain 80/82, A-6020 Innsbruck, Austria
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6
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Wang DM, Jia J, Huang RF, Zhang X. A base-repair based electrochemiluminescent genotoxicity sensor that detects abasic sites in double-stranded DNA films. Chem Commun (Camb) 2021; 56:12558-12561. [PMID: 32940265 DOI: 10.1039/d0cc05186a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A novel genotoxicity sensor was developed based on the base repair process associated with the electrochemiluminescence (ECL) detection of abasic sites in a double-stranded DNA monolayer. This is the first time that an ECL sensor with the ability to identify the removed nucleobases in a DNA duplex has been studied. The successful detection of abasic sites created by DNA glycosylase indicates its further applications for examining some other specific types of DNA damage.
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Affiliation(s)
- Dong-Mei Wang
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China.
| | - Jia Jia
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China.
| | - Rong-Fu Huang
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China.
| | - Xinfeng Zhang
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China.
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Juliusson HY, Sigurdsson ST. Nitroxide-Derived N-Oxide Phenazines for Noncovalent Spin-Labeling of DNA. Chembiochem 2020; 21:2635-2642. [PMID: 32353177 DOI: 10.1002/cbic.202000128] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 04/28/2020] [Indexed: 12/11/2022]
Abstract
Two o-benzoquinone derivatives of isoindoline were synthesized for use as building blocks to incorporate isoindoline nitroxides into different compounds and materials. These o-quinones were condensed with a number of o-phenylenediamines to form isoindoline-phenazines in high yields. Subsequent oxidation gave phenazine-di-N-oxide isoindoline nitroxides that were evaluated for noncovalent and site-directed spin-labeling of duplex DNA and RNA that contained abasic sites. Although only minor binding was observed for RNA, the unsubstituted phenazine-N,N-dioxide tetramethyl isoindoline nitroxide showed high binding affinity and selectivity towards abasic sites in duplex DNA that contained cytosine as the orphan base.
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Affiliation(s)
- Haraldur Y Juliusson
- Department of Chemistry, Science Institute, University of Iceland, Dunhaga 3, 107, Reykjavik, Iceland
| | - Snorri Th Sigurdsson
- Department of Chemistry, Science Institute, University of Iceland, Dunhaga 3, 107, Reykjavik, Iceland
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8
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Kamble N, Wolfrum M, Halbritter T, Sigurdsson ST, Richert C. Noncovalent Spin-Labeling of DNA and RNA Triplexes. Chem Biodivers 2019; 17:e1900676. [PMID: 31872549 DOI: 10.1002/cbdv.201900676] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Accepted: 12/23/2019] [Indexed: 11/07/2022]
Abstract
Studying nucleic acids often requires labeling. Many labeling approaches require covalent bonds between the nucleic acid and the label, which complicates experimental procedures. Noncovalent labeling avoids the need for highly specific reagents and reaction conditions, and the effort of purifying bioconjugates. Among the least invasive techniques for studying biomacromolecules are NMR and EPR. Here, we report noncovalent labeling of DNA and RNA triplexes with spin labels that are nucleobase derivatives. Spectroscopic signals indicating strong binding were detected in EPR experiments in the cold, and filtration assays showed micromolar dissociation constants for complexes between a guanine-derived label and triplex motifs containing a single-nucleotide gap in the oligopurine strand. The advantages and challenges of noncovalent labeling via this approach that complements techniques relying on covalent links are discussed.
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Affiliation(s)
- Nilesh Kamble
- Science Institute, University of Iceland, Dunhaga 3, 107 R, eykjavik, Iceland
| | - Manpreet Wolfrum
- Institute of Organic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Thomas Halbritter
- Science Institute, University of Iceland, Dunhaga 3, 107 R, eykjavik, Iceland
| | - Snorri T Sigurdsson
- Science Institute, University of Iceland, Dunhaga 3, 107 R, eykjavik, Iceland
| | - Clemens Richert
- Institute of Organic Chemistry, University of Stuttgart, Pfaffenwaldring 55, 70569, Stuttgart, Germany
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9
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Bonucci A, Ouari O, Guigliarelli B, Belle V, Mileo E. In‐Cell EPR: Progress towards Structural Studies Inside Cells. Chembiochem 2019; 21:451-460. [DOI: 10.1002/cbic.201900291] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Alessio Bonucci
- Magnetic Resonance CenterCERMUniversity of Florence 50019 Sesto Fiorentino Italy
| | - Olivier Ouari
- Aix Marseille UnivCNRSICRInstitut de Chimie Radicalaire 13013 Marseille France
| | - Bruno Guigliarelli
- Aix Marseille UnivCNRSBIPBioénergétique et Ingénierie des ProtéinesIMM 13009 Marseille France
| | - Valérie Belle
- Aix Marseille UnivCNRSBIPBioénergétique et Ingénierie des ProtéinesIMM 13009 Marseille France
| | - Elisabetta Mileo
- Aix Marseille UnivCNRSBIPBioénergétique et Ingénierie des ProtéinesIMM 13009 Marseille France
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10
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Juliusson HY, Segler ALJ, Sigurdsson ST. Benzoyl-Protected Hydroxylamines for Improved Chemical Synthesis of Oligonucleotides Containing Nitroxide Spin Labels. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900553] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Haraldur Y. Juliusson
- Department of Chemistry; Science Institute; University of Iceland; Dunhaga 3 107 Reykjavik Iceland
| | - Anna-Lena J. Segler
- Department of Chemistry; Science Institute; University of Iceland; Dunhaga 3 107 Reykjavik Iceland
| | - Snorri Th. Sigurdsson
- Department of Chemistry; Science Institute; University of Iceland; Dunhaga 3 107 Reykjavik Iceland
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11
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Bognár B, Úr G, Sár C, Hankovszky OH, Hideg K, Kálai T. Synthesis and Application of Stable Nitroxide Free Radicals Fused with Carbocycles and Heterocycles. CURR ORG CHEM 2019. [DOI: 10.2174/1385272823666190318163321] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Stable nitroxide free radicals have traditionally been associated with 2,2,6,6-
tetramethylpiperidine-1-oxyl (TEMPO) or its 4-substituted derivatives as relatively inexpensive
and readily accessible compounds with limited possibilities for further chemical
modification. Over the past two decades, there has been a resurgence of interest in stable
free radicals with proper functionalization tuned for various applications. The objective of
this review is to present recent results with synthetic methodologies to achieve stable nitroxide
free radicals fused with aromatic carbocycles and heterocycles. There are two
main approaches for accessing stable nitroxide free radicals fused with arenes, e.g., isoindoline-
like nitroxides: further functionalization and oxidation of phthalimide or inventive
functionalization of pyrroline nitroxide key compounds. The latter also offers the constructions
of versatile heterocyclic scaffolds (furan, pyrrole, thiophene, 1,2-thiazole, selenophene, pyrazole,
pyrimidine, pyridine, pyridazine, 1,5-benzothiazepine) that are fused with pyrroline or tetrahydropyridine nitroxide
rings. The possible applications of these new stable nitroxide free radicals, such as covalent spin labels
and noncovalent spin probes of proteins and nucleic acids, profluorescent probes, building blocks for construction
of dual active drugs and electroactive materials, and substances for controlled free radical polymerization,
are discussed.
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Affiliation(s)
- Balázs Bognár
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pecs, Szigeti st. 12, H-7624 Pecs, Hungary
| | - Györgyi Úr
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pecs, Szigeti st. 12, H-7624 Pecs, Hungary
| | - Cecília Sár
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pecs, Szigeti st. 12, H-7624 Pecs, Hungary
| | - Olga H. Hankovszky
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pecs, Szigeti st. 12, H-7624 Pecs, Hungary
| | - Kálmán Hideg
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pecs, Szigeti st. 12, H-7624 Pecs, Hungary
| | - Tamás Kálai
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pecs, Szigeti st. 12, H-7624 Pecs, Hungary
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