1
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Liu Q, Wang Y, Xia X, Li Z, Li Y, Shen Y, Wang H. Combinatorial Biosynthesis of 3- O-Carbamoylmaytansinol by Rational Engineering of the Tailoring Steps of Ansamitocins. ACS Synth Biol 2024; 13:721-727. [PMID: 38377312 DOI: 10.1021/acssynbio.3c00575] [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] [Indexed: 02/22/2024]
Abstract
Currently, most maytansine-containing antibody-drug conjugates (ADCs) in clinical trials are prepared with DM1 or DM4, which in turn is synthesized mainly from ansamitocin P-3 (AP-3), a bacterial maytansinoid, isolated from Actinosynnema pretiosum. However, due to the high self-toxicity of AP-3 to A. pretiosum, the yield of AP-3 has been difficult to improve. Herein, a new maytansinoid with much lower self-toxicity to A. pretiosum, 3-O-carbamoylmaytansinol (CAM, 3), was designed and generated by introducing the 3-O-carbamoyltransferase gene asc21b together with the N-methyltransferase genes from exogenous maytansinoid gene clusters into the 3-O-acyltransferase gene (asm19) deleted mutant HGF052. Meanwhile, two new shunt products, 20-O-demethyl-19-dechloro-N-demethyl-4,5-desepoxy-CAM (4) and 20-O-demethyl-N-demethyl-4,5-desepoxy-CAM (5) were identified from the recombinant strain. Furthermore, by screening of liquid fermentation media, overexpression of bottleneck tailoring enzymes and the pathway-specific activator, the titer of CAM reached 498 mg/L in the engineered strain. Since the 3-O-carbamoyl group of CAM can be removed by chemical cleavage as AP-3 to produce maytansinol, our work suggests that CAM may be a promising alternative to AP-3 in the future development of ADCs.
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Affiliation(s)
- Qingqing Liu
- State Laboratory of Microbial Technology, Institute of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Yu Wang
- State Laboratory of Microbial Technology, Institute of Microbial Technology, Shandong University, Qingdao 266237, China
| | - Xin Xia
- Key Laboratory of Chemical Biology of Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Zhongyue Li
- Key Laboratory of Chemical Biology of Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Yaoyao Li
- Key Laboratory of Chemical Biology of Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Yuemao Shen
- Key Laboratory of Chemical Biology of Ministry of Education, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan 250012, China
| | - Haoxin Wang
- State Laboratory of Microbial Technology, Institute of Microbial Technology, Shandong University, Qingdao 266237, China
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2
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Hennrich O, Weinmann L, Kulik A, Harms K, Klahn P, Youn JW, Surup F, Mast Y. Biotransformation-coupled mutasynthesis for the generation of novel pristinamycin derivatives by engineering the phenylglycine residue. RSC Chem Biol 2023; 4:1050-1063. [PMID: 38033732 PMCID: PMC10685826 DOI: 10.1039/d3cb00143a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 10/06/2023] [Indexed: 12/02/2023] Open
Abstract
Streptogramins are the last line of defense antimicrobials with pristinamycin as a representative substance used as therapeutics against highly resistant pathogenic bacteria. However, the emergence of (multi)drug-resistant pathogens renders these valuable antibiotics useless; making it necessary to derivatize compounds for new compound characteristics, which is often difficult by chemical de novo synthesis due to the complex nature of the molecules. An alternative to substance derivatization is mutasynthesis. Herein, we report about a mutasynthesis approach, targeting the phenylglycine (Phg) residue for substance derivatization, a pivotal component of streptogramin antibiotics. Mutasynthesis with halogenated Phg(-like) derivatives altogether led to the production of two new derivatized natural compounds, as there are 6-chloropristinamycin I and 6-fluoropristinamycin I based on LC-MS/MS analysis. 6-Chloropristinamycin I and 6-fluoropristinamycin I were isolated by preparative HPLC, structurally confirmed using NMR spectroscopy and tested for antimicrobial bioactivity. In a whole-cell biotransformation approach using an engineered E. coli BL21(DE3) pET28-hmo/pACYC-bcd-gdh strain, Phg derivatives were generated fermentatively. Supplementation with the E. coli biotransformation fermentation broth containing 4-fluorophenylglycine to the pristinamycin mutasynthesis strain resulted in the production of 6-fluoropristinamycin I, demonstrating an advanced level of mutasynthesis.
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Affiliation(s)
- Oliver Hennrich
- Department Bioresources for Bioeconomy and Health Research, Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B 38124 Braunschweig Germany
| | - Leoni Weinmann
- Institute of Microbiology, University Stuttgart, Allmandring 31 D-70569 Stuttgart Germany
| | - Andreas Kulik
- Department Microbial Bioactive Compounds, Interfaculty Institute of Microbiology and Infection Medicine, Faculty of Science, University of Tübingen, Auf der Morgenstelle 28 D-72076 Tübingen Germany
| | - Karen Harms
- Microbial Drugs Department, Helmholtz-Centre for Infection Research 38124 Braunschweig Germany
| | - Philipp Klahn
- Division of Organic and Medicinal Chemistry, Department of Chemistry and Molecular Biology, University of Gothenburg, Kemigården 4 412 96 Göteborg Sweden
- Centre of Antimicrobial Resistance Research in Gothenburg (CARe) Gothenburg Sweden
| | - Jung-Won Youn
- Institute of Microbiology, University Stuttgart, Allmandring 31 D-70569 Stuttgart Germany
| | - Frank Surup
- Microbial Drugs Department, Helmholtz-Centre for Infection Research 38124 Braunschweig Germany
| | - Yvonne Mast
- Department Bioresources for Bioeconomy and Health Research, Leibniz Institute DSMZ-German Collection of Microorganisms and Cell Cultures, Inhoffenstraße 7B 38124 Braunschweig Germany
- Technische Universität Braunschweig, Institut für Mikrobiologie, Rebenring 56 38106 Braunschweig Germany
- German Center for Infection Research (DZIF), Partner Site Tübingen Tübingen Germany
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3
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Zafar S, Armaghan M, Khan K, Hassan N, Sharifi-Rad J, Habtemariam S, Kieliszek M, Butnariu M, Bagiu IC, Bagiu RV, Cho WC. New insights into the anticancer therapeutic potential of maytansine and its derivatives. Biomed Pharmacother 2023; 165:115039. [PMID: 37364476 DOI: 10.1016/j.biopha.2023.115039] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 06/19/2023] [Accepted: 06/20/2023] [Indexed: 06/28/2023] Open
Abstract
Maytansine is a pharmacologically active 19-membered ansamacrolide derived from various medicinal plants and microorganisms. Among the most studied pharmacological activities of maytansine over the past few decades are anticancer and anti-bacterial effects. The anticancer mechanism of action is primarily mediated through interaction with the tubulin thereby inhibiting the assembly of microtubules. This ultimately leads to decreased stability of microtubule dynamics and cause cell cycle arrest, resulting in apoptosis. Despite its potent pharmacological effects, the therapeutic applications of maytansine in clinical medicine are quite limited due to its non-selective cytotoxicity. To overcome these limitations, several derivatives have been designed and developed mostly by modifying the parent structural skeleton of maytansine. These structural derivatives exhibit improved pharmacological activities as compared to maytansine. The present review provides a valuable insight into maytansine and its synthetic derivatives as anticancer agents.
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Affiliation(s)
- Sameen Zafar
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Punjab, Pakistan
| | - Muhammad Armaghan
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Punjab, Pakistan
| | - Khushbukhat Khan
- Department of Healthcare Biotechnology, Atta-ur-Rahman School of Applied Biosciences, National University of Sciences and Technology, Islamabad, Punjab, Pakistan.
| | - Nazia Hassan
- Department of Biochemistry, University of Agriculture Faisalabad, Pakistan
| | | | - Solomon Habtemariam
- Pharmacognosy Research & Herbal Analysis Services UK, University of Greenwich, Central Avenue, Chatham-Maritime, Kent ME4 4TB, UK.
| | - Marek Kieliszek
- Department of Food Biotechnology and Microbiology, Institute of Food Sciences, Warsaw University of Life Sciences-SGGW, Nowoursynowska 159 C, 02-776 Warsaw, Poland.
| | - Monica Butnariu
- University of Life Sciences "King Mihai I" from Timisoara, 300645, Calea Aradului 119, Timis, Romania.
| | - Iulia-Cristina Bagiu
- Victor Babes University of Medicine and Pharmacy of Timisoara, Department of Microbiology, Timisoara, Romania; Multidisciplinary Research Center on Antimicrobial Resistance, Timisoara, Romania
| | - Radu Vasile Bagiu
- Victor Babes University of Medicine and Pharmacy of Timisoara, Department of Microbiology, Timisoara, Romania; Preventive Medicine Study Center, Timisoara, Romania
| | - William C Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong Special Administrative Region.
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4
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Skrzypczak N, Pyta K, Bohusz W, Leśniewska A, Gdaniec M, Ruszkowski P, Schilf W, Bartl F, Przybylski P. Cascade Transformation of the Ansamycin Benzoquinone Core into Benzoxazole Influencing Anticancer Activity and Selectivity. J Org Chem 2023; 88:9469-9474. [PMID: 37276434 PMCID: PMC10337034 DOI: 10.1021/acs.joc.3c00493] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Indexed: 06/07/2023]
Abstract
The metal-free cascade transformation of geldanamycin benzoquinone core is proposed at relatively mild conditions. This approach yields new benzoxazole ansamycin antibiotics and enables their functionalization in an atom-economic manner, irrespective of the type of amine used. The analysis of the heterocyclization course reveals the dependence of its rate on the nature of the para-substituent within the benzylamine moiety (EDG/EWG) and the strength of the base. The reduction of the ansamycin core enables an increase in anticancer potency and selectivity.
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Affiliation(s)
- Natalia Skrzypczak
- Faculty
of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego
8, 61-614 Poznań, Poland
| | - Krystian Pyta
- Faculty
of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego
8, 61-614 Poznań, Poland
- Lebenswissenschaftliche
Fakultät, Institut für Biologie, Biophysikalische Chemie Humboldt-Universität zu Berlin, Invalidenstraße 42, 10115 Berlin, Germany
| | - Wiktor Bohusz
- Faculty
of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego
8, 61-614 Poznań, Poland
| | - Aleksandra Leśniewska
- Faculty
of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego
8, 61-614 Poznań, Poland
| | - Maria Gdaniec
- Faculty
of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego
8, 61-614 Poznań, Poland
| | - Piotr Ruszkowski
- Department
of Pharmacology, Poznań University
of Medical Sciences, Rokietnicka 5a, 60-806 Poznań, Poland
| | - Wojciech Schilf
- Institute
of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Franz Bartl
- Lebenswissenschaftliche
Fakultät, Institut für Biologie, Biophysikalische Chemie Humboldt-Universität zu Berlin, Invalidenstraße 42, 10115 Berlin, Germany
| | - Piotr Przybylski
- Faculty
of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego
8, 61-614 Poznań, Poland
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5
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Skrzypczak N, Buczkowski A, Bohusz W, Nowak E, Tokarska K, Leśniewska A, Alzebari AM, Ruszkowski P, Gdaniec M, Bartl F, Przybylski P. Modifications of geldanamycin via CuAAC altering affinity to chaperone protein Hsp90 and cytotoxicity. Eur J Med Chem 2023; 256:115450. [PMID: 37210951 DOI: 10.1016/j.ejmech.2023.115450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 04/24/2023] [Accepted: 05/03/2023] [Indexed: 05/23/2023]
Abstract
Functionalization of alkyne (1) and azide (2) derivatives of geldanamycin (GDM) via dipolar cycloaddition CuAAC yielded 35 new congeners (3-37) with C(17)-triazole arms bearing caps of different nature (basic vs. acidic, hydrophilic vs. hydrophobic). Confrontation of biological data (anticancer activity vs. toxicity in normal cells) with lipophilicity (clogP), dissociation constants (Kd) of complexes with Hsp90 and binding modes to Hsp90 revealed SAR in specific subgroups of GDM derivatives. The most potent GDM congeners 14-16, bearing C(17)-triazole-benzyl-halogen arms exhibited the most optimal clogP values of 2.7-3.1 at favourable binding to Hsp90 (KdHsp90 at μM level). The anticancer activity of 14-16 (IC50 = 0.23-0.41 μM) is higher than those of GDM (IC50 = 0.58-0.64 μM) and actinomycin D (ActD, IC50 = 0.62-0.71 μM) in SKBR-3, SKOV-3 and PC-3 cell lines, with a comparable cytotoxicity in healthy cells. The relationship between structure and attractive anticancer potency (IC50 = 0.53-0.74 μM) is also observed for congeners with C(17)-triazole-saccharide or C(17)-triazole-unsaturated arms. In the former, the absolute configuration at C(4) (ᴅ-glucose vs. ᴅ-galactose) whereas in the latter the length of the unsaturated arm influences the cytotoxic effects due to different binding strength (Kd, ΔE) and modes with Hsp90. Among all triazole congeners of GDM that are biologically attractive and exhibit lower toxicity in normal cells than GDM and ActD, the derivative 22, bearing the C(17)-triazole-cinnamyl arm, shows the lowest Kd (Hsp90), optimal clogP = 2.82, the best pro-apoptotic properties in SKBR-3 and SKOV-3 and the best selectivity indices (SI). For the most potent GDM derivatives with C(17)-triazole arm, the docking studies have suggested the importance of the intermolecular stabilization between the arm and the D57 or Y61 of Hsp90.
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Affiliation(s)
- Natalia Skrzypczak
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Adam Buczkowski
- Unit of Biophysical Chemistry, Department of Physical Chemistry, Faculty of Chemistry, University of Lodz, Pomorska 165, Lodz, 90-236, Poland
| | - Wiktor Bohusz
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Ewelina Nowak
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Klaudia Tokarska
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Aleksandra Leśniewska
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Attaa Mohammed Alzebari
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Piotr Ruszkowski
- Department of Pharmacology, Poznan University of Medical Sciences, Rokietnicka 5a, 60-806, Poznań, Poland
| | - Maria Gdaniec
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Franz Bartl
- Lebenswissenschaftliche Fakultӓt, Institut fȕr Biologie, Biophysikalische Chemie Humboldt-Universitӓt zu Berlin, Invalidenstraße 42, Berlin, Germany
| | - Piotr Przybylski
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland.
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6
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Skrzypczak N, Przybylski P. Structural diversity and biological relevance of benzenoid and atypical ansamycins and their congeners. Nat Prod Rep 2022; 39:1678-1704. [PMID: 35262153 DOI: 10.1039/d2np00004k] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Covering: 2011 to 2021The structural division of ansamycins, including those of atypical cores and different lengths of the ansa chains, is presented. Recently discovered benzenoid and atypical ansamycin scaffolds are presented in relation to their natural source and biosynthetic routes realized in bacteria as well as their muta and semisynthetic modifications influencing biological properties. To better understand the structure-activity relationships among benzenoid ansamycins structural aspects together with mechanisms of action regarding different targets in cells, are discussed. The most promising directions for structural optimizations of benzenoid ansamycins, characterized by predominant anticancer properties, were discussed in view of their potential medical and pharmaceutical applications. The bibliography of the review covers mainly years from 2011 to 2021.
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Affiliation(s)
- Natalia Skrzypczak
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego 8, 61-614 Poznan, Poland.
| | - Piotr Przybylski
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznanskiego 8, 61-614 Poznan, Poland.
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7
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Wang X, Liu J, Zheng W, Zhang Y, Bian X. Recombineering-Mediated Genome Editing in Burkholderiales Strains. Methods Mol Biol 2022; 2479:21-36. [PMID: 35583730 DOI: 10.1007/978-1-0716-2233-9_3] [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] [Indexed: 06/15/2023]
Abstract
Red/ET recombineering is primarily mediated by the E. coli recombinase pair Redα/Redβ from λ phage or RecE/RecT from Rac prophage, which is applied in E. coli and also closely related Gram-negative bacteria for efficient genome editing. However, some distant bacterial species like Burkholderiales strains require host-specific Redα/Redβ recombinase pair for highly efficient genome editing. A pair of recombinases Redαβ7029 from the Burkholderiales strain DSM 7029, recently identified as Schlegelella brevitalea, were identified for efficient genetic manipulation in the native strain and several other Burkholderiales strains. In this chapter, we describe a detailed protocol for genome engineering in Burkholderiales strains via the Redγ-Redαβ7029 recombineering and Cre/loxP site-specific recombination.
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Affiliation(s)
- Xue Wang
- Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, People's Republic of China
| | - Jiaqi Liu
- Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, People's Republic of China
| | - Wentao Zheng
- Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, People's Republic of China
| | - Youming Zhang
- Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, People's Republic of China.
| | - Xiaoying Bian
- Helmholtz International Lab for Anti-infectives, Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, Shandong University, Qingdao, People's Republic of China.
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8
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Lai HE, Obled AMC, Chee SM, Morgan RM, Lynch R, Sharma SV, Moore SJ, Polizzi KM, Goss RJM, Freemont PS. GenoChemetic Strategy for Derivatization of the Violacein Natural Product Scaffold. ACS Chem Biol 2021; 16:2116-2123. [PMID: 34648268 PMCID: PMC8609527 DOI: 10.1021/acschembio.1c00483] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Natural products and their analogues are often challenging to synthesize due to their complex scaffolds and embedded functional groups. Solely relying on engineering the biosynthesis of natural products may lead to limited compound diversity. Integrating synthetic biology with synthetic chemistry allows rapid access to much more diverse portfolios of xenobiotic compounds, which may accelerate the discovery of new therapeutics. As a proof-of-concept, by supplementing an Escherichia coli strain expressing the violacein biosynthesis pathway with 5-bromo-tryptophan in vitro or tryptophan 7-halogenase RebH in vivo, six halogenated analogues of violacein or deoxyviolacein were generated, demonstrating the promiscuity of the violacein biosynthesis pathway. Furthermore, 20 new derivatives were generated from 5-brominated violacein analogues via the Suzuki-Miyaura cross-coupling reaction directly using the crude extract without prior purification. Herein we demonstrate a flexible and rapid approach to access a diverse chemical space that can be applied to a wide range of natural product scaffolds.
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Affiliation(s)
- Hung-En Lai
- Section of Structural and Synthetic Biology, Department of Infectious Disease, Imperial College London, London SW7 2AZ, U.K
| | - Alan M. C. Obled
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews, North Haugh, St Andrews, Fife KY16 9ST, U.K
| | - Soo Mei Chee
- Section of Structural and Synthetic Biology, Department of Infectious Disease, Imperial College London, London SW7 2AZ, U.K
- London Biofoundry, Imperial College Translation & Innovation Hub, London W12 0BZ, U.K
| | - Rhodri M. Morgan
- Department of Life Sciences, Imperial College London, London SW7 2AZ, U.K
| | - Rosemary Lynch
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews, North Haugh, St Andrews, Fife KY16 9ST, U.K
| | - Sunil V. Sharma
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews, North Haugh, St Andrews, Fife KY16 9ST, U.K
| | - Simon J. Moore
- Section of Structural and Synthetic Biology, Department of Infectious Disease, Imperial College London, London SW7 2AZ, U.K
| | - Karen M. Polizzi
- Department of Chemical Engineering, Imperial College London, London SW7 2AZ, U.K
| | - Rebecca J. M. Goss
- School of Chemistry and Biomedical Sciences Research Complex, University of St Andrews, North Haugh, St Andrews, Fife KY16 9ST, U.K
| | - Paul S. Freemont
- Section of Structural and Synthetic Biology, Department of Infectious Disease, Imperial College London, London SW7 2AZ, U.K
- London Biofoundry, Imperial College Translation & Innovation Hub, London W12 0BZ, U.K
- UK DRI Care Research and Technology Centre, Imperial College London, Hammersmith Campus, Du Cane Road, London W12 0NN, U.K
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9
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Skrzypczak N, Pyta K, Ruszkowski P, Mikołajczak P, Kucińska M, Murias M, Gdaniec M, Bartl F, Przybylski P. Anticancer activity and toxicity of new quaternary ammonium geldanamycin derivative salts and their mixtures with potentiators. J Enzyme Inhib Med Chem 2021; 36:1898-1904. [PMID: 34344239 PMCID: PMC8344233 DOI: 10.1080/14756366.2021.1960829] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Geldanamycin (GDM) has been modified by different type neutral/acidic/basic substituents (1–7) and by quinuclidine motif (8), transformed into ammonium salts (9–13) at C(17). These compounds have been characterised by spectroscopic and x-ray methods. Derivative 8 shows better potency than GDM in MCF-7, MDA-MB-231, A549 and HeLa (IC50s = 0.09–1.06 µM). Transformation of 8 into salts 9–13 reduces toxicity (by 11-fold) at attractive potency, e.g. MCF-7 cell line (IC50∼2 µM). Our studies show that higher water solubility contributes to lower toxicity of salts than GDM in healthy CCD39Lu and HDF cells. The use of 13 mixtures with potentiators PEI and DOX enhanced anticancer effects from IC50∼2 µM to IC50∼0.5 µM in SKBR-3, SKOV-3, and PC-3 cancer cells, relative to 13. Docking studies showed that complexes between quinuclidine-bearing 8–13 and Hsp90 are stabilised by extra hydrophobic interactions between the C(17)-arms and K58 or Y61 of Hsp90.
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Affiliation(s)
| | - Krystian Pyta
- Faculty of Chemistry, Adam Mickiewicz University, Poznan, Poland
| | - Piotr Ruszkowski
- Department of Pharmacology, Poznan University of Medical Sciences, Poznan, Poland
| | | | - Małgorzata Kucińska
- Department of Toxicology, Poznan University of Medical Sciences, Poznań, Poland
| | - Marek Murias
- Department of Toxicology, Poznan University of Medical Sciences, Poznań, Poland
| | - Maria Gdaniec
- Faculty of Chemistry, Adam Mickiewicz University, Poznan, Poland
| | - Franz Bartl
- Lebenswissenschaftliche Fakultät, Institutfür Biologie, Biophysikalische Chemie Humboldt-Universität zu Berlin Invalidenstrasse 42, Berlin, Germany
| | - Piotr Przybylski
- Faculty of Chemistry, Adam Mickiewicz University, Poznan, Poland
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10
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Wesemann F, Heutling A, Wienecke P, Kirschning A. First Ring-Expanded Maytansin Lactone Accessed by a New Mutasynthetic Variant. Chembiochem 2020; 21:2927-2930. [PMID: 32484951 PMCID: PMC7689855 DOI: 10.1002/cbic.202000336] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Indexed: 12/15/2022]
Abstract
A multiblocked mutant strain (ΔAHBA and Δasm12, asm21) of Actinosynnema pretiosum, the producer of the highly toxic maytansinoid ansamitocin, has been used for the mutasynthetic production of new proansamitocin derivatives. The use of mutant strains that are blocked in the biosynthesis of an early building block as well as in the expression of two tailoring enzymes broadens the scope of chemo-biosynthetic access to new maytansinoids. Remarkably, a ring-expanded macrolactone derived from ansamitocin was created for the first time.
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Affiliation(s)
- Friederike Wesemann
- Institute of Organic Chemistry and, Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Anja Heutling
- Institute of Organic Chemistry and, Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Paul Wienecke
- Institute of Organic Chemistry and, Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Andreas Kirschning
- Institute of Organic Chemistry and, Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
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11
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Xia S, Jiang Z, Huang Y, Li D, Cui Y, Li Y, Xia Y. Synthesis of Titanium Complexes Supported by Carbinolamide- and Amide-Containing Ligands Derived from Ti(NMe 2) 4-Mediated Selective Amidations of Carbonyl Groups. Inorg Chem 2020; 59:14031-14041. [PMID: 32955246 DOI: 10.1021/acs.inorgchem.0c01831] [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
An efficient strategy for the syntheses of a series of titanium complexes has been developed. This protocol features the employment of Ti(NMe2)4 both as the metal center to trigger the deprotonation of the ligands and as an amine source to proceed the amidation reactions of carbonyl functionalities of the ligands. Treatment of Ti(NMe2)4 with a ligand HL1 (HL1 = 2,2'-(((2-hydroxybenzyl)azanediyl)bis(ethane-2,1-diyl))bis(isoindoline-1,3-dione) results in the formation of Ti(L1')(NMe2) (1) (H3L1' = N1-(2-((2-(1-(dimethylamino)-1-hydroxy-3-oxoisoindolin-2-yl)ethyl)(2-hydroxybenzyl)amino)ethyl)-N2,N2-dimethylphthalamide). One important feature regarding the synthesis of 1 is the occurrence of the in situ metal-ligand reaction between Ti(NMe2)4 and HL1, leading to the simultaneous formations of carbinolamide and amide scaffolds. Another prominent feature in terms of the preparation of 1 is the achievement of the selective ring-opening reaction of one of the two phthalimide units of the HL1 ligand, affording carbinolamide and amide functionalities within one ligand set. The developed methodology characterizes an ample substrate scope. The selective amidation reactions of the carbonyl groups have been realized for a series of analogous ligands HL2-HL7. Density functional theory calculations were employed to disclose the mechanisms for the formation of 1-7, and the details for the selective ring-opening reactions of the phthalimide unit were uncovered.
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Affiliation(s)
- Shengwang Xia
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Zhilei Jiang
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Yuan Huang
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Dawei Li
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Yanfeng Cui
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Yahong Li
- College of Chemistry, Chemical Engineering, and Materials Science, Soochow University, Suzhou 215123, People's Republic of China
| | - Yuanzhi Xia
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, People's Republic of China
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12
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Siemon T, Wang Z, Bian G, Seitz T, Ye Z, Lu Y, Cheng S, Ding Y, Huang Y, Deng Z, Liu T, Christmann M. Semisynthesis of Plant-Derived Englerin A Enabled by Microbe Engineering of Guaia-6,10(14)-diene as Building Block. J Am Chem Soc 2020; 142:2760-2765. [PMID: 31999448 DOI: 10.1021/jacs.9b12940] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Herein, we report a short semisynthesis of the potent transient receptor potential canonical (TRPC) channel agonist englerin A (EA) and the related guaianes oxyphyllol and orientalol E. The guaia-6,10(14)-diene starting material was systematically engineered in Escherichia coli and Saccharomyces cerevisiae using the CRISPR/Cas9 system and was produced with high titers. The potentially scalable approach combines the advantages of synthetic biology and chemical synthesis providing an efficient and economical method for producing EA and analogues.
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Affiliation(s)
- Thomas Siemon
- Institute of Chemistry and Biochemistry , Freie Universität Berlin , Berlin 14195 , Germany
| | - Zhangqian Wang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China
| | - Guangkai Bian
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China
| | - Tobias Seitz
- Institute of Chemistry and Biochemistry , Freie Universität Berlin , Berlin 14195 , Germany
| | - Ziling Ye
- J1 Biotech Co., Ltd. , Wuhan , China
| | - Yan Lu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China
| | - Shu Cheng
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China
| | - Yunkun Ding
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China
| | - Yanglei Huang
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China
| | - Zixin Deng
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China.,Hubei Engineering Laboratory for Synthetic Microbiology , Wuhan Institute of Biotechnology , Wuhan , China
| | - Tiangang Liu
- Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Ministry of Education and School of Pharmaceutical Sciences , Wuhan University , Wuhan , China.,Hubei Engineering Laboratory for Synthetic Microbiology , Wuhan Institute of Biotechnology , Wuhan , China
| | - Mathias Christmann
- Institute of Chemistry and Biochemistry , Freie Universität Berlin , Berlin 14195 , Germany
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13
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Lim D, Gründemann D, Seebeck FP. Total Synthesis and Functional Characterization of Selenoneine. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908967] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- David Lim
- Department for Chemistry University of Basel Mattenstrasse 24a 4002 Basel Switzerland
| | - Dirk Gründemann
- Department of Pharmacology University of Cologne, Faculty of Medicine and University Hospital Cologne Gleueler Straße 24 50931 Cologne Germany
| | - Florian P. Seebeck
- Department for Chemistry University of Basel Mattenstrasse 24a 4002 Basel Switzerland
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14
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Lim D, Gründemann D, Seebeck FP. Total Synthesis and Functional Characterization of Selenoneine. Angew Chem Int Ed Engl 2019; 58:15026-15030. [DOI: 10.1002/anie.201908967] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Indexed: 12/19/2022]
Affiliation(s)
- David Lim
- Department for Chemistry University of Basel Mattenstrasse 24a 4002 Basel Switzerland
| | - Dirk Gründemann
- Department of Pharmacology University of Cologne, Faculty of Medicine and University Hospital Cologne Gleueler Straße 24 50931 Cologne Germany
| | - Florian P. Seebeck
- Department for Chemistry University of Basel Mattenstrasse 24a 4002 Basel Switzerland
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15
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Li X, Wu X, Shen Y. Identification of the Bacterial Maytansinoid Gene Cluster asc Provides Insights into the Post-PKS Modifications of Ansacarbamitocin Biosynthesis. Org Lett 2019; 21:5823-5826. [PMID: 31299158 DOI: 10.1021/acs.orglett.9b01891] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A new biosynthetic gene cluster for the bacterial maytansinoids, ansacarbamitocins (ASCs), was identified in Amycolatopsis alba DSM 44262. The post-PKS modifications of ASCs were elucidated on the basis of bioinformatics analysis. Specific gene disruption and heterologous expression led to the isolation of seven new bacterial maytansinoids. The 3'-O-methyltransferase and 3-O-carbamyltransferase involved in bacterial maytansinoid biosynthesis were identified for the first time. The new bacterial maytansinoids 7 and 13 showed strong antitumor activities against four human cancer cell lines.
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Affiliation(s)
- Xiaoman Li
- Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences , Shandong University , No. 44 West Wenhua Road , Jinan , Shandong 250012 , P. R. China
| | - Xingkang Wu
- Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences , Shandong University , No. 44 West Wenhua Road , Jinan , Shandong 250012 , P. R. China
| | - Yuemao Shen
- Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences , Shandong University , No. 44 West Wenhua Road , Jinan , Shandong 250012 , P. R. China
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16
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Zhang Z, Cao P, Shang NN, Yang J, Wang L, Yan Y, Huang SX. Naphthomycin-derived macrolactams with two new carbon skeletons from endophytic Streptomyces. Org Chem Front 2019. [DOI: 10.1039/c8qo01107a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A cytotoxic ansamycin class of natural products with two new carbon skeletons was isolated and characterized from endophytic Streptomyces.
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Affiliation(s)
- Zhouxin Zhang
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- CAS Center for Excellence in Molecular Plant Sciences
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
| | - Pei Cao
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- CAS Center for Excellence in Molecular Plant Sciences
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
| | - Ning-Ning Shang
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- CAS Center for Excellence in Molecular Plant Sciences
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
| | - Jing Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- CAS Center for Excellence in Molecular Plant Sciences
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
| | - Li Wang
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- CAS Center for Excellence in Molecular Plant Sciences
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
| | - Yijun Yan
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- CAS Center for Excellence in Molecular Plant Sciences
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
| | - Sheng-Xiong Huang
- State Key Laboratory of Phytochemistry and Plant Resources in West China
- CAS Center for Excellence in Molecular Plant Sciences
- Kunming Institute of Botany
- Chinese Academy of Sciences
- Kunming 650204
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17
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Yang YH, Yang DS, Li GH, Liu R, Huang XW, Zhang KQ, Zhao PJ. New secondary metabolites from an engineering mutant of endophytic Streptomyces sp. CS. Fitoterapia 2018; 130:17-25. [PMID: 30076887 DOI: 10.1016/j.fitote.2018.07.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 07/29/2018] [Accepted: 07/31/2018] [Indexed: 01/03/2023]
Abstract
In previous work, a series of bioactive natural products had been isolated from the plant endophytic Streptomyces sp. CS, which was isolated from Maytenus hookeri. To mine new active metabolites, we describe introducing an alien carbamoyltransferase (asm21) gene into the strain CS by conjugal transfer. As a result, three recombinatorial mutants named CS/asm21-1, CS/asm21-2 and CS/asm21-4 were successfully constructed. Three mutants and wild type CS were cultured on solid medium, and the extracts were detected and analyzed by liquid chromatography-mass spectrometry (LC-MS). The LC-MS profiles showed several unknown peaks that were present in the spectra of extracts of the CS/asm21-4 cultured on oatmeal solid medium. Then, three new naphthomycins O-Q (1-3), a new macrolide hookerolide (4) as well as nine known compounds were obtained from the solid cultured medium. Their structures were identified by spectra data. These new compounds showed moderate antimicrobial activities.
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Affiliation(s)
- Yin-He Yang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, PR China; Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing 210009, PR China
| | - Da-Song Yang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, PR China; Department of Pharmaceutical Analysis, China Pharmaceutical University, Nanjing 210009, PR China
| | - Guo-Hong Li
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, PR China
| | - Rui Liu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, PR China
| | - Xiao-Wei Huang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, PR China
| | - Ke-Qin Zhang
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, PR China.
| | - Pei-Ji Zhao
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan University, Kunming 650091, PR China.
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18
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Complex molecules, clever solutions – Enzymatic approaches towards natural product and active agent syntheses. Bioorg Med Chem 2018; 26:1285-1303. [DOI: 10.1016/j.bmc.2017.06.045] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 05/29/2017] [Accepted: 06/27/2017] [Indexed: 12/31/2022]
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19
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Mohammadi-Ostad-Kalayeh S, Stahl F, Scheper T, Kock K, Herrmann C, Heleno Batista FA, Borges JC, Sasse F, Eichner S, Ongouta J, Zeilinger C, Kirschning A. Heat Shock Proteins Revisited: Using a Mutasynthetically Generated Reblastatin Library to Compare the Inhibition of Human and Leishmania Hsp90s. Chembiochem 2018; 19:562-574. [PMID: 29265716 DOI: 10.1002/cbic.201700616] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Indexed: 01/12/2023]
Abstract
Thirteen new reblastatin derivatives, with alkynyl, amino and fluoro substituents on the aromatic ring, were prepared by a chemo-biosynthetic approach using an AHBA(-) mutant strain of Streptomyces hygroscopicus, the geldanamycin producer. The inhibitory potencies of these mutaproducts and of an extended library of natural products and derivatives were probed with purified heat shock proteins (Hsps), obtained from Leishmania braziliensis (LbHsp90) as well as from human sources (HsHsp90). We determined the activities of potential inhibitors by means of a displacement assay in which fluorescence-labelled ATP competes for the ATP binding sites of Hsps in the presence of the inhibitor in question. The results were compared with those of cell-based assays and, in selected cases, of isothermal titration calorimetry (ITC) measurements. In essence, reblastatin derivatives are also able to bind effectively to the ATP-binding site of LbHsp90, and for selected derivatives, moderate differences in binding to LbHsp90 and HsHsp90 were encountered. This work demonstrates that parasitic heat shock proteins can be developed as potential pharmaceutical targets.
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Affiliation(s)
- Sona Mohammadi-Ostad-Kalayeh
- Institute of Biophysics and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 38, 30167, Hannover, Germany
| | - Frank Stahl
- Institute of Technical Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Callinstrasse 5, 30167, Hannover, Germany
| | - Thomas Scheper
- Institute of Technical Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Callinstrasse 5, 30167, Hannover, Germany
| | - Klaus Kock
- Physical Chemistry I, Ruhr University Bochum, Universitätsstrasse 150, 44801, Bochum, Germany
| | - Christian Herrmann
- Physical Chemistry I, Ruhr University Bochum, Universitätsstrasse 150, 44801, Bochum, Germany
| | | | - Júlio César Borges
- São Carlos Institute of Chemistry, University of São Paulo, USP, São Carlos, SP, 13560-970, Brazil
| | - Florenz Sasse
- Department of Chemical Biology, Helmholtz Center of Infectious Research (HZI), Inhoffenstrasse 7, 38124, Braunschweig, Germany
| | - Simone Eichner
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Jekaterina Ongouta
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Carsten Zeilinger
- Institute of Biophysics and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 38, 30167, Hannover, Germany
| | - Andreas Kirschning
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167, Hannover, Germany
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20
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Zhang J, Li S, Wu X, Guo Z, Lu C, Shen Y. Nam7 Hydroxylase Is Responsible for the Formation of the Naphthalenic Ring in the Biosynthesis of Neoansamycins. Org Lett 2017; 19:2442-2445. [PMID: 28441026 DOI: 10.1021/acs.orglett.7b01083] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Juanli Zhang
- Key
Laboratory of Chemical Biology (Ministry of Education), School of
Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, P. R. China
- Department
of Pharmacy, Xijing Hospital, The Fourth Military Medical University, Changle West Street 15, Xi’an, Shaanxi 710032, P. R. China
| | - Shanren Li
- Key
Laboratory of Chemical Biology (Ministry of Education), School of
Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, P. R. China
| | - Xingkang Wu
- Key
Laboratory of Chemical Biology (Ministry of Education), School of
Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, P. R. China
| | - Zhixing Guo
- Key
Laboratory of Chemical Biology (Ministry of Education), School of
Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, P. R. China
| | - Chunhua Lu
- Key
Laboratory of Chemical Biology (Ministry of Education), School of
Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, P. R. China
| | - Yuemao Shen
- Key
Laboratory of Chemical Biology (Ministry of Education), School of
Pharmaceutical Sciences, Shandong University, Jinan, Shandong 250012, P. R. China
- State
Key Laboratory of Microbial Technology, Shandong University, Jinan, Shandong 250100, P. R. China
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21
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Bułyszko I, Dräger G, Klenge A, Kirschning A. Evaluation of the Synthetic Potential of an AHBA Knockout Mutant of the Rifamycin Producer Amycolatopsis mediterranei. Chemistry 2015; 21:19231-42. [PMID: 26559164 DOI: 10.1002/chem.201503548] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2015] [Indexed: 12/17/2022]
Abstract
Supplementing an AHBA(-) mutant strain of Amycolatopsis mediterranei, the rifamycin producer, with a series of benzoic acid derivatives yielded new tetraketides containing different phenyl groups. These mutasynthetic studies revealed unique reductive properties of A. mediterranei towards nitro- and azidoarenes, leading to the corresponding anilines. In selected cases, the yields of mutaproducts (fermentation products isolated after feeding bacteria with chemically prepared analogs of natural building blocks) obtained are in a range (up to 118 mg L(-1)) that renders them useful as chiral building blocks for further synthetic endeavors. The configuration of the stereogenic centers at C6 and C7 was determined to be 6R,7S for one representative tetraketide. Importantly, processing beyond the tetraketide stage is not always blocked when the formation of the bicyclic naphthalene precursor cannot occur. This was proven by formation of a bromo undecaketide, an observation that has implications regarding the evolutionary development of rifamycin biosynthesis.
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Affiliation(s)
- Ilona Bułyszko
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover (Germany)
| | - Gerald Dräger
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover (Germany)
| | - Anja Klenge
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover (Germany)
| | - Andreas Kirschning
- Institute of Organic Chemistry and Center of Biomolecular Drug Research (BMWZ), Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover (Germany).
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22
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Use of a biosynthetic intermediate to explore the chemical diversity of pseudo-natural fungal polyketides. Nat Chem 2015; 7:737-43. [DOI: 10.1038/nchem.2308] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Accepted: 06/23/2015] [Indexed: 01/20/2023]
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23
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Bioengineering and semisynthesis of an optimized cyclophilin inhibitor for treatment of chronic viral infection. ACTA ACUST UNITED AC 2015; 22:285-92. [PMID: 25619934 PMCID: PMC4336584 DOI: 10.1016/j.chembiol.2014.10.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Revised: 10/08/2014] [Accepted: 10/22/2014] [Indexed: 12/11/2022]
Abstract
Inhibition of host-encoded targets, such as the cyclophilins, provides an opportunity to generate potent high barrier to resistance antivirals for the treatment of a broad range of viral diseases. However, many host-targeted agents are natural products, which can be difficult to optimize using synthetic chemistry alone. We describe the orthogonal combination of bioengineering and semisynthetic chemistry to optimize the drug-like properties of sanglifehrin A, a known cyclophilin inhibitor of mixed nonribosomal peptide/polyketide origin, to generate the drug candidate NVP018 (formerly BC556). NVP018 is a potent inhibitor of hepatitis B virus, hepatitis C virus (HCV), and HIV-1 replication, shows minimal inhibition of major drug transporters, and has a high barrier to generation of both HCV and HIV-1 resistance. Optimization and preclinical analysis of a bacterial natural product Combination of bioengineering and semisynthetic chemistry Preclinical analysis revealing potent antiviral activity
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24
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Song YN, Jiao RH, Zhang WJ, Zhao GY, Dou H, Jiang R, Zhang AH, Hou YY, Bi SF, Ge HM, Tan RX. New ansamycin derivatives generated by simultaneous mutasynthesis. Org Lett 2015; 17:556-9. [PMID: 25611625 DOI: 10.1021/ol5035639] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
The conversion from triene- to diene-typed ansamycins is clarified step by step in Streptomyces seoulensis IFB-A01. Such an intertype convertibility is adopted to establish for the first time the simultaneous mutasynthesis of both types of C17-benzene ansamycins (C17BAs). Three of the newly generated unnatural compounds showed potent cytotoxicity.
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Affiliation(s)
- Ya Nan Song
- Institute of Functional Biomolecules, State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University , Nanjing, 210093, China
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25
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Hermane J, Bułyszko I, Eichner S, Sasse F, Collisi W, Poso A, Schax E, Walter JG, Scheper T, Kock K, Herrmann C, Aliuos P, Reuter G, Zeilinger C, Kirschning A. New, non-quinone fluorogeldanamycin derivatives strongly inhibit Hsp90. Chembiochem 2015; 16:302-11. [PMID: 25572106 DOI: 10.1002/cbic.201402375] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2014] [Revised: 11/04/2014] [Indexed: 11/11/2022]
Abstract
Streptomyces hygroscopicus is a natural producer of geldanamycin. Mutasynthetic supplementation of an AHBA-blocked mutant with all possible monofluoro 3-aminobenzoic acids provided new fluorogeldanamycins. These showed strong antiproliferative activity and inhibitory effects on human heat shock protein Hsp90. Binding to Hsp90 in the low nanomolar range was determined from molecular modelling, AFM analysis and by calorimetric studies.
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Affiliation(s)
- Jekaterina Hermane
- Institute of Organic Chemistry, Center of Biomolecular Drug Research (BMWZ), Leibniz University Hannover, Schneiderberg 1B, 30167 Hannover (Germany)
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26
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Mancuso L, Knobloch T, Buchholz J, Hartwig J, Möller L, Seidel K, Collisi W, Sasse F, Kirschning A. Preparation of Thermocleavable Conjugates Based on Ansamitocin and Superparamagnetic Nanostructured Particles by a Chemobiosynthetic Approach. Chemistry 2014; 20:17541-51. [DOI: 10.1002/chem.201404502] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Indexed: 11/08/2022]
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27
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Ueberschaar N, Xu Z, Scherlach K, Metsä-Ketelä M, Bretschneider T, Dahse HM, Görls H, Hertweck C. Synthetic Remodeling of the Chartreusin Pathway to Tune Antiproliferative and Antibacterial Activities. J Am Chem Soc 2013; 135:17408-16. [DOI: 10.1021/ja4080024] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
| | | | | | - Mikko Metsä-Ketelä
- Department
of Biochemistry and Food Chemistry, University of Turku, 20014 Turku, Finland
| | | | | | - Helmar Görls
- Friedrich Schiller University, Institute for Inorganic
and Analytical Chemistry, 07743 Jena, Germany
| | - Christian Hertweck
- Friedrich Schiller University, Chair for Natural Product
Chemistry 07743 Jena, Germany
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28
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Ueberschaar N, Dahse HM, Bretschneider T, Hertweck C. Rational Design of an Apoptosis-Inducing Photoreactive DNA Intercalator. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201302439] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Ueberschaar N, Dahse HM, Bretschneider T, Hertweck C. Rational Design of an Apoptosis-Inducing Photoreactive DNA Intercalator. Angew Chem Int Ed Engl 2013; 52:6185-9. [DOI: 10.1002/anie.201302439] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2013] [Indexed: 01/22/2023]
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Alcaide B, Almendros P, Quirós MT, Fernández I. Gold-catalyzed oxycyclization of allenic carbamates: expeditious synthesis of 1,3-oxazin-2-ones. Beilstein J Org Chem 2013; 9:818-26. [PMID: 23766795 PMCID: PMC3678844 DOI: 10.3762/bjoc.9.93] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Accepted: 03/26/2013] [Indexed: 01/07/2023] Open
Abstract
A combined experimental and computational study on regioselective gold-catalyzed synthetic routes to 1,3-oxazinan-2-ones (kinetically controlled products) and 1,3-oxazin-2-one derivatives (thermodynamically favored) from easily accessible allenic carbamates has been carried out.
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Affiliation(s)
- Benito Alcaide
- Grupo de Lactamas y Heterociclos Bioactivos, Departamento de Química Orgánica I, Unidad Asociada al CSIC, Facultad de Química, Universidad Complutense de Madrid, 28040-Madrid, Spain
| | - Pedro Almendros
- Instituto de Química Orgánica General (IQOG), Consejo Superior de Investigaciones Científicas (CSIC), Juan de la Cierva 3, 28006-Madrid, Spain
| | - M Teresa Quirós
- Grupo de Lactamas y Heterociclos Bioactivos, Departamento de Química Orgánica I, Unidad Asociada al CSIC, Facultad de Química, Universidad Complutense de Madrid, 28040-Madrid, Spain
| | - Israel Fernández
- Departamento de Química Orgánica I, Facultad de Química, Universidad Complutense de Madrid, 28040-Madrid, Spain
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Bioengineering natural product biosynthetic pathways for therapeutic applications. Curr Opin Biotechnol 2012; 23:931-40. [DOI: 10.1016/j.copbio.2012.03.008] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2012] [Accepted: 03/13/2012] [Indexed: 01/05/2023]
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Matthes D, Richter L, Müller J, Denisiuk A, Feifel SC, Xu Y, Espinosa-Artiles P, Süssmuth RD, Molnár I. In vitro chemoenzymatic and in vivo biocatalytic syntheses of new beauvericin analogues. Chem Commun (Camb) 2012; 48:5674-6. [PMID: 22547105 DOI: 10.1039/c2cc31669b] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
New beauvericins have been synthesized using the nonribosomal peptide synthetase BbBEAS from the entomopathogenic fungus Beauveria bassiana. Chemical diversity was generated by in vitro chemoenzymatic and in vivo whole cell biocatalytic syntheses using either a B. bassiana mutant or an E. coli strain expressing the bbBeas gene.
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Affiliation(s)
- Diana Matthes
- Technische Universität Berlin, Institut für Chemie, Strasse des 17. Juni 124, 10623 Berlin, Germany
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Kirschning A, Hahn F. Vereinigung von chemischer Synthese und Biosynthese: ein neues Kapitel in der Totalsynthese von Naturstoffen und Naturstoffbibliotheken. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201107386] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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Kirschning A, Hahn F. Merging chemical synthesis and biosynthesis: a new chapter in the total synthesis of natural products and natural product libraries. Angew Chem Int Ed Engl 2012; 51:4012-22. [PMID: 22441812 DOI: 10.1002/anie.201107386] [Citation(s) in RCA: 139] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2011] [Indexed: 01/05/2023]
Affiliation(s)
- Andreas Kirschning
- Institut für Organische Chemie und Biomolekulares Wirkstoffzentrum, Leibniz Universität Hannover, Schneiderberg 1B, 30167 Hannover, Germany.
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