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Motter J, Benckendorff CMM, Westarp S, Sunde-Brown P, Neubauer P, Kurreck A, Miller GJ. Purine nucleoside antibiotics: recent synthetic advances harnessing chemistry and biology. Nat Prod Rep 2024; 41:873-884. [PMID: 38197414 PMCID: PMC11188666 DOI: 10.1039/d3np00051f] [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] [Received: 10/12/2023] [Indexed: 01/11/2024]
Abstract
Covering: 2019 to 2023Nucleoside analogues represent one of the most important classes of small molecule pharmaceuticals and their therapeutic development is successfully established within oncology and for the treatment of viral infections. However, there are currently no nucleoside analogues in clinical use for the management of bacterial infections. Despite this, a significant number of clinically recognised nucleoside analogues are known to possess some antibiotic activity, thereby establishing a potential source for new therapeutic discovery in this area. Furthermore, given the rise in antibiotic resistance, the discovery of new clinical candidates remains an urgent global priority and natural product-derived nucleoside analogues may also present a rich source of discovery space for new modalities. This Highlight, covering work published from 2019 to 2023, presents a current perspective surrounding the synthesis of natural purine nucleoside antibiotics. By amalgamating recent efforts from synthetic chemistry with advances in biosynthetic understanding and the use of recombinant enzymes, prospects towards different structural classes of purines are detailed.
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Affiliation(s)
- Jonas Motter
- Chair of Bioprocess Engineering, Institute of Biotechnology, Faculty III Process Sciences, Technische Universität Berlin, Ackerstraße 76, D-13355, Berlin, Germany
| | - Caecilie M M Benckendorff
- School of Chemical and Physical Sciences and Centre for Glycoscience, Keele University, Keele, Staffordshire, ST5 5BG, UK.
| | - Sarah Westarp
- Chair of Bioprocess Engineering, Institute of Biotechnology, Faculty III Process Sciences, Technische Universität Berlin, Ackerstraße 76, D-13355, Berlin, Germany
- BioNukleo GmbH, Ackerstraße 76, 13355 Berlin, Germany.
| | - Peter Sunde-Brown
- School of Chemical and Physical Sciences and Centre for Glycoscience, Keele University, Keele, Staffordshire, ST5 5BG, UK.
| | - Peter Neubauer
- Chair of Bioprocess Engineering, Institute of Biotechnology, Faculty III Process Sciences, Technische Universität Berlin, Ackerstraße 76, D-13355, Berlin, Germany
| | - Anke Kurreck
- Chair of Bioprocess Engineering, Institute of Biotechnology, Faculty III Process Sciences, Technische Universität Berlin, Ackerstraße 76, D-13355, Berlin, Germany
- BioNukleo GmbH, Ackerstraße 76, 13355 Berlin, Germany.
| | - Gavin J Miller
- School of Chemical and Physical Sciences and Centre for Glycoscience, Keele University, Keele, Staffordshire, ST5 5BG, UK.
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Feng X, Zhang Q, Clarke DJ, Deng H, O’Hagan D. 3'- O-β-Glucosyl-4',5'-didehydro-5'-deoxyadenosine Is a Natural Product of the Nucleocidin Producers Streptomyces virens and Streptomyces calvus. JOURNAL OF NATURAL PRODUCTS 2023; 86:2326-2332. [PMID: 37748016 PMCID: PMC10616807 DOI: 10.1021/acs.jnatprod.3c00521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Indexed: 09/27/2023]
Abstract
3'-O-β-Glucosyl-4',5'-didehydro-5'-deoxyadenosine 13 is identified as a natural product of Streptomyces calvus and Streptomyces virens. It is also generated in vitro by direct β-glucosylation of 4',5'-didehydro-5'-deoxyadenosine 12 with the enzyme NucGT. The intact incorporation of oxygen-18 and deuterium isotopes from (±)[1-18O,1-2H2]-glycerol 14 into C-5' of nucleocidin 1 and its related metabolites precludes 3'-O-β-glucosyl-4',5'-didehydro-5'-deoxyadenosine 13 as a biosynthetic precursor to nucleocidin 1.
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Affiliation(s)
- Xuan Feng
- School
of Chemistry, University of St Andrews, North Haugh, St Andrews, KY16 9ST, U.K.
| | - Qingzhi Zhang
- School
of Chemistry, University of St Andrews, North Haugh, St Andrews, KY16 9ST, U.K.
| | - David J. Clarke
- EaStChem
School of Chemistry, University of Edinburgh, Joseph Black Building, David Brewster
Road, Edinburgh, EH9 3FJ, U.K.
| | - Hai Deng
- Department
of Chemistry, University of Aberdeen, Aberdeen, AB24 3UE, U.K.
| | - David O’Hagan
- School
of Chemistry, University of St Andrews, North Haugh, St Andrews, KY16 9ST, U.K.
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Wojnowska M, Feng X, Chen Y, Deng H, O'Hagan D. Identification of Genes Essential for Fluorination and Sulfamylation within the Nucleocidin Gene Clusters of Streptomyces calvus and Streptomyces virens. Chembiochem 2023; 24:e202200684. [PMID: 36548247 PMCID: PMC10946740 DOI: 10.1002/cbic.202200684] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/22/2022] [Accepted: 12/22/2022] [Indexed: 12/24/2022]
Abstract
The gene cluster in Streptomyces calvus associated with the biosynthesis of the fluoro- and sulfamyl-metabolite nucleocidin was interrogated by systematic gene knockouts. Out of the 26 gene deletions, most did not affect fluorometabolite production, nine abolished sulfamylation but not fluorination, and three precluded fluorination, but had no effect on sulfamylation. In addition to nucI, nucG, nucJ, nucK, nucL, nucN, nucO, nucQ and nucP, we identified two genes (nucW, nucA), belonging to a phosphoadenosine phosphosulfate (PAPS) gene cluster, as required for sulfamyl assembly. Three genes (orf(-3), orf2 and orf3) were found to be essential for fluorination, although the activities of their protein products are unknown. These genes as well as nucK, nucN, nucO and nucPNP, whose knockouts produced results differing from those described in a recent report, were also deleted in Streptomyces virens - with confirmatory outcomes. This genetic profile should inform biochemistry aimed at uncovering the enzymology behind nucleocidin biosynthesis.
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Affiliation(s)
- Marta Wojnowska
- School of ChemistryUniversity of St AndrewsSt AndrewsFifeKY16 9STUK
| | - Xuan Feng
- School of ChemistryUniversity of St AndrewsSt AndrewsFifeKY16 9STUK
| | - Yawen Chen
- School of ChemistryUniversity of St AndrewsSt AndrewsFifeKY16 9STUK
| | - Hai Deng
- Department of ChemistryUniversity of AberdeenAberdeenAB24 3UEUK
| | - David O'Hagan
- School of ChemistryUniversity of St AndrewsSt AndrewsFifeKY16 9STUK
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Lowe PT, O'Hagan D. 4'-Fluoro-nucleosides and nucleotides: from nucleocidin to an emerging class of therapeutics. Chem Soc Rev 2023; 52:248-276. [PMID: 36472161 DOI: 10.1039/d2cs00762b] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The history and development of 4'-fluoro-nucleosides is discussed in this review. This is a class of nucleosides which have their origin in the discovery of the rare fluorine containing natural product nucleocidin. Nucleocidin contains a fluorine atom located at the 4'-position of its ribose ring. From its early isolation as an unexpected natural product, to its total synthesis and bioactivity assessment, nucleocidin has played a role in inspiring the exploration of 4'-fluoro-nucleosides as a privileged motif for nucleoside-based therapeutics.
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Affiliation(s)
- Phillip T Lowe
- School of Chemistry and Biomedical Sciences Research Centre, University of St Andrews, North Haugh, St Andrews KY16 9ST, UK.
| | - David O'Hagan
- School of Chemistry and Biomedical Sciences Research Centre, University of St Andrews, North Haugh, St Andrews KY16 9ST, UK.
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5
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Statsyuk AV. Inhibiting protein synthesis to treat malaria. Science 2022; 376:1049-1050. [PMID: 35653471 DOI: 10.1126/science.abq4457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Covalent prodrugs inhibit protein synthesis targets killing parasites but not human cells.
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Affiliation(s)
- Alexander V Statsyuk
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston College of Pharmacy, Houston, TX, USA
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Pasternak A, Bechthold A, Zechel DL. Identification of genes essential for sulfamate and fluorine incorporation during nucleocidin biosynthesis. Chembiochem 2022; 23:e202200140. [PMID: 35544615 DOI: 10.1002/cbic.202200140] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/05/2022] [Indexed: 11/07/2022]
Abstract
Nucleocidin is an adenosine derivative containing 4'-fluoro and 5'-O-sulfamoyl substituents. In this study, nucleocidin biosynthesis is examined in two newly discovered producers, Streptomyces virens B-24331 and Streptomyces aureorectus B-24301, which produce nucleocidin and related derivatives at titres 30-fold greater than S. calvus . This enabled the identification of two new O -acetylated nucleocidin derivatives, and a potential glycosyl- O-acetyltransferase. Disruption of nucJ , nucG , and nucI , within S. virens B-24331, specifying a radical SAM / Fe-S dependent enzyme, sulfatase, and arylsulfatase, respectively, led to loss of 5'-O-sulfamoyl biosynthesis, but not fluoronucleoside production. Disruption of nucN , nucK , and nucO specifying an amidinotransferase, and two sulfotransferases respectively, led to loss of fluoronucleoside production. Identification of S. virens B-24331 as a genetically tractable and high producing strain sets the stage for understanding nucleocidin biosynthesis and highlights the utility of using 16S-RNA sequences to identify alternative producers of valuable compounds in the absence of genome sequence data.
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Affiliation(s)
- Aleksandra Pasternak
- Queen's University Faculty of Arts and Science, Chemistry, 90 Bader Lane, Chernoff Hall, K7L 3N6, Kingston, CANADA
| | - Andreas Bechthold
- Albert-Ludwigs-Universität Freiburg Fakultät für Chemie Pharmazie und Geowissenschaften: Albert-Ludwigs-Universitat Freiburg Fakultat fur Chemie und Pharmazie, Pharmaceutical Biology and Biotechnology, Stefan-Meier-Str. 19, 79104, Freiburg i. Br., GERMANY
| | - David L Zechel
- Queen's University, Department of Chemsitry, Chernoff Hall, K7L 3N6, Kingston, CANADA
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Ngivprom U, Lasin P, Khunnonkwao P, Worakaensai S, Jantama K, Kamkaew A, Lai RY. Synthesis of nicotinamide mononucleotide from xylose via coupling engineered Escherichia coli and a biocatalytic cascade. Chembiochem 2022; 23:e202200071. [PMID: 35362650 DOI: 10.1002/cbic.202200071] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Revised: 03/31/2022] [Indexed: 11/08/2022]
Abstract
β-Nicotinamide mononucleotide (NMN) has recently gained attention for nutritional supplement because it is an intermediate in the biosynthesis of nicotinamide adenine dinucleotide (NAD + ). In this study, we develop NMN synthesis by coupling two modules. The first module is to culture E. coli MG1655 ∆ tktA ∆ tktB ∆ ptsG to metabolize xylose to generate D -ribose in the medium. The supernatant containing D -ribose was applied in the second module which is composed of Ec RbsK- Ec PRPS- Cp NAMPT reaction to synthesize NMN, that requires additional enzymes of CHU0107 and Ec PPase to remove feedback inhibitors, ADP and pyrophosphate. The second module can be rapidly optimized by comparing NMN production determined by the cyanide assay. Finally, 10 mL optimal biocascade reaction generated NMN with good yield of 84% from 1 mM D -ribose supplied from the supernatant of E. coli MG1655 ∆ tktA ∆ tktB ∆ ptsG . Our results can further guide researchers to metabolically engineer E. coli for NMN synthesis.
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Affiliation(s)
| | - Praphapan Lasin
- Suranaree University of Technology, School of Chemistry, THAILAND
| | | | | | - Kaemwich Jantama
- Suranaree University of Technology, School of Biotechnology, THAILAND
| | - Anyanee Kamkaew
- Suranaree University of Technology, School of Chemistry, THAILAND
| | - Rung-Yi Lai
- Suranaree University of Technology, School of Chemistry, C2-414, 111 University Avenue, School of Chemistry, Institute of Science, 30000, Mueang, THAILAND
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Chen Y, Zhang Q, Feng X, Wojnowska M, O'Hagan D. Streptomyces aureorectus DSM 41692 and Streptomyces virens DSM 41465 are producers of the antibiotic nucleocidin and 4'-fluoroadenosine is identified as a co-product. Org Biomol Chem 2021; 19:10081-10084. [PMID: 34779476 DOI: 10.1039/d1ob01898a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Genome homology and the presence of a putative biosynthetic gene cluster identified Streptomyces aureorectus DSM 41692 and Streptomyces virens DSM 41465 as candidate producers of the antibiotic nucleocidin 1. Indeed when these bacterial strains were cultured in a medium supplemented with fluoride (4 mM) they each produced nucleocidin 1 and the previously identified 4'-fluoro-3'-O-β-glucosylated adenosine 2 and its sulfamylated derivative 3. In both of these cases 4'-fluoroadenosine 9 is also identified as a natural product although it has never been observed during fermentations of Streptomyces calvus, the original source of nucleocidin 1. The identity of 4'-fluoroadenosine 9 was confirmed by a total synthesis as well as by its in vitro enzymatic conversion to metabolite 2 using the glucosyl transferase enzyme, NucGT.
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Affiliation(s)
- Yawen Chen
- School of Chemistry, University of St Andrews, North Haugh, St Andrews, Fife, KY16 9ST, UK.
| | - Qingzhi Zhang
- School of Chemistry, University of St Andrews, North Haugh, St Andrews, Fife, KY16 9ST, UK.
| | - Xuan Feng
- School of Chemistry, University of St Andrews, North Haugh, St Andrews, Fife, KY16 9ST, UK.
| | - Marta Wojnowska
- School of Chemistry, University of St Andrews, North Haugh, St Andrews, Fife, KY16 9ST, UK.
| | - David O'Hagan
- School of Chemistry, University of St Andrews, North Haugh, St Andrews, Fife, KY16 9ST, UK.
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