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Fergusson CH, Saulog J, Paulo BS, Wilson DM, Liu DY, Morehouse NJ, Waterworth S, Barkei J, Gray CA, Kwan JC, Eustaquio AS, Linington RG. Discovery of a lagriamide polyketide by integrated genome mining, isotopic labeling, and untargeted metabolomics. Chem Sci 2024; 15:8089-8096. [PMID: 38817573 PMCID: PMC11134395 DOI: 10.1039/d4sc00825a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2024] [Accepted: 04/18/2024] [Indexed: 06/01/2024] Open
Abstract
Microorganisms from the order Burkholderiales have been the source of a number of important classes of natural products in recent years. For example, study of the beetle-associated symbiont Burkholderia gladioli led to the discovery of the antifungal polyketide lagriamide; an important molecule from the perspectives of both biotechnology and chemical ecology. As part of a wider project to sequence Burkholderiales genomes from our in-house Burkholderiales library we identified a strain containing a biosynthetic gene cluster (BGC) similar to the original lagriamide BGC. Structure prediction failed to identify any candidate masses for the products of this BGC from untargeted metabolomics mass spectrometry data. However, genome mining from publicly available databases identified fragments of this BGC from a culture collection strain of Paraburkholderia. Whole genome sequencing of this strain revealed the presence of a homologue of this BGC with very high sequence identity. Stable isotope feeding of the two strains in parallel using our newly developed IsoAnalyst platform identified the product of this lagriamide-like BGC directly from the crude fermentation extracts, affording a culturable supply of this interesting compound class. Using a combination of bioinformatic, computational and spectroscopic methods we defined the absolute configurations for all 11 chiral centers in this new metabolite, which we named lagriamide B. Biological testing of lagriamide B against a panel of 21 bacterial and fungal pathogens revealed antifungal activity against the opportunistic human pathogen Aspergillus niger, while image-based Cell Painting analysis indicated that lagriamide B also causes actin filament disruption in U2-OS osteosarcoma cells.
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Affiliation(s)
- Claire H Fergusson
- Department of Chemistry, Simon Fraser University 8888 University Drive Burnaby BC V5A 1S6 Canada
| | - Julia Saulog
- Department of Chemistry, Simon Fraser University 8888 University Drive Burnaby BC V5A 1S6 Canada
| | - Bruno S Paulo
- Department of Pharmaceutical Sciences and Center for Biomolecular Sciences, College of Pharmacy, University of Illinois at Chicago Chicago IL 60607 USA
| | - Darryl M Wilson
- Department of Chemistry, Simon Fraser University 8888 University Drive Burnaby BC V5A 1S6 Canada
| | - Dennis Y Liu
- Department of Chemistry, Simon Fraser University 8888 University Drive Burnaby BC V5A 1S6 Canada
| | - Nicholas J Morehouse
- Department of Biological Sciences, University of New Brunswick Saint John NB Canada
| | - Samantha Waterworth
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Wisconsin Madison WI 53705 USA
| | - John Barkei
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Wisconsin Madison WI 53705 USA
| | - Christopher A Gray
- Department of Biological Sciences, University of New Brunswick Saint John NB Canada
| | - Jason C Kwan
- Division of Pharmaceutical Sciences, School of Pharmacy, University of Wisconsin Madison WI 53705 USA
| | - Alessandra S Eustaquio
- Department of Pharmaceutical Sciences and Center for Biomolecular Sciences, College of Pharmacy, University of Illinois at Chicago Chicago IL 60607 USA
| | - Roger G Linington
- Department of Chemistry, Simon Fraser University 8888 University Drive Burnaby BC V5A 1S6 Canada
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2
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Popek L, Cihan M, Blanchard N, Bizet V. Palladium-Catalyzed Regioselective Synthesis of 2-SF 5 -Indenols and Further Derivatizations. Angew Chem Int Ed Engl 2024; 63:e202315909. [PMID: 38116823 DOI: 10.1002/anie.202315909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 12/14/2023] [Accepted: 12/18/2023] [Indexed: 12/21/2023]
Abstract
A palladium-catalyzed synthesis of 2-SF5 -indenols has been developed by reacting commercially available boronic acid derivatives and readily accessible SF5 -alkynes. The present methodology is fully regioselective thanks to the intrinsic polarization of SF5 -alkynes. A selection of downstream functionalizations has been performed to highlight the versatility of 2-SF5 -indenols and indenones as platforms for the design of more complex SF5 -containing molecules.
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Affiliation(s)
- Lucas Popek
- Université de Haute-Alsace, Université de Strasbourg, CNRS, LIMA, UMR 7042, 68000, Mulhouse, France
| | - Murat Cihan
- Université de Haute-Alsace, Université de Strasbourg, CNRS, LIMA, UMR 7042, 68000, Mulhouse, France
| | - Nicolas Blanchard
- Université de Haute-Alsace, Université de Strasbourg, CNRS, LIMA, UMR 7042, 68000, Mulhouse, France
| | - Vincent Bizet
- Université de Haute-Alsace, Université de Strasbourg, CNRS, LIMA, UMR 7042, 68000, Mulhouse, France
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3
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Liu M, Wang K, Wei J, Liu N, Niu G, Tan H, Huang Y. Comparative and Functional Analyses Reveal Conserved and Variable Regulatory Systems That Control Lasalocid Biosynthesis in Different Streptomyces Species. Microbiol Spectr 2023; 11:e0385222. [PMID: 36847561 PMCID: PMC10100954 DOI: 10.1128/spectrum.03852-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 01/31/2023] [Indexed: 03/01/2023] Open
Abstract
Lasalocid, a representative polyether ionophore, has been successfully applied in veterinary medicine and animal husbandry and also displays promising potential for cancer therapy. Nevertheless, the regulatory system governing lasalocid biosynthesis remains obscure. Here, we identified two conserved (lodR2 and lodR3) and one variable (lodR1, found only in Streptomyces sp. strain FXJ1.172) putative regulatory genes through a comparison of the lasalocid biosynthetic gene cluster (lod) from Streptomyces sp. FXJ1.172 with those (las and lsd) from Streptomyces lasalocidi. Gene disruption experiments demonstrated that both lodR1 and lodR3 positively regulate lasalocid biosynthesis in Streptomyces sp. FXJ1.172, while lodR2 plays a negative regulatory role. To unravel the regulatory mechanism, transcriptional analysis and electrophoretic mobility shift assays (EMSAs) along with footprinting experiments were performed. The results revealed that LodR1 and LodR2 could bind to the intergenic regions of lodR1-lodAB and lodR2-lodED, respectively, thereby repressing the transcription of the lodAB and lodED operons, respectively. The repression of lodAB-lodC by LodR1 likely boosts lasalocid biosynthesis. Furthermore, LodR2 and LodE constitute a repressor-activator system that senses changes in intracellular lasalocid concentrations and coordinates its biosynthesis. LodR3 could directly activate the transcription of key structural genes. Comparative and parallel functional analyses of the homologous genes in S. lasalocidi ATCC 31180T confirmed the conserved roles of lodR2, lodE, and lodR3 in controlling lasalocid biosynthesis. Intriguingly, the variable gene locus lodR1-lodC from Streptomyces sp. FXJ1.172 seems functionally conserved when introduced into S. lasalocidi ATCC 31180T. Overall, our findings demonstrate that lasalocid biosynthesis is tightly controlled by both conserved and variable regulators, providing valuable guidance for further improving lasalocid production. IMPORTANCE Compared to its elaborated biosynthetic pathway, the regulation of lasalocid biosynthesis remains obscure. Here, we characterize the roles of regulatory genes in lasalocid biosynthetic gene clusters of two distinct Streptomyces species and identify a conserved repressor-activator system, LodR2-LodE, which could sense changes in the concentration of lasalocid and coordinate its biosynthesis with self-resistance. Furthermore, in parallel, we verify that the regulatory system identified in a new Streptomyces isolate is valid in the industrial lasalocid producer and thus applicable for the construction of high-yield strains. These findings deepen our understanding of regulatory mechanisms involved in the production of polyether ionophores and provide novel clues for the rational design of industrial strains for scaled-up production.
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Affiliation(s)
- Minghao Liu
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Kairui Wang
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Junhong Wei
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
- State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing, China
| | - Ning Liu
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
| | - Guoqing Niu
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- Biotechnology Research Center, Southwest University, Chongqing, China
| | - Huarong Tan
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
| | - Ying Huang
- State Key Laboratory of Microbial Resources, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing, China
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4
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Magar RT, Pham VTT, Poudel PB, Nguyen HT, Bridget AF, Sohng JK. Biosynthetic pathway of peucemycin and identification of its derivative from Streptomyces peucetius. Appl Microbiol Biotechnol 2023; 107:1217-1231. [PMID: 36680588 DOI: 10.1007/s00253-023-12385-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 01/08/2023] [Accepted: 01/10/2023] [Indexed: 01/22/2023]
Abstract
Streptomyces peucetius ATCC 27952 is a well-known producer of important anticancer compounds, daunorubicin and doxorubicin. In this study, we successfully identified a new macrolide, 25-hydroxy peucemycin, that exhibited an antibacterial effect on some pathogens. Based on the structure of a newly identified compound and through the inactivation of a polyketide synthase gene, we successfully identified its biosynthetic gene cluster which was considered to be the cryptic biosynthetic gene cluster. The biosynthetic gene cluster spans 51 kb with 16 open reading frames. Five type I polyketide synthase (PKS) genes encode eight modules that synthesize the polyketide chain of peucemycin before undergoing post-PKS tailoring steps. In addition to the regular starter and extender units, some modules have specificity towards ethylmalonyl-CoA and unusual butylmalonyl-CoA. A credible explanation for the specificity of the unusual extender unit has been searched for. Moreover, the enzyme responsible for the final tailoring pathway was also identified. Based on all findings, a plausible biosynthetic pathway is here proposed. KEY POINTS: • Identification of a new macrolide, 25-hydroxy peucemycin. • An FMN-dependent monooxygenase is responsible for the hydroxylation of peucemycin. • The module encoded by peuC is unique to accept the butylmalonyl-CoA as an unusual extender unit.
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Affiliation(s)
- Rubin Thapa Magar
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-Ro 221, Tangjeong-Myeon, Asan-Si, Chungnam, 31460, South Korea
| | - Van Thuy Thi Pham
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-Ro 221, Tangjeong-Myeon, Asan-Si, Chungnam, 31460, South Korea
| | - Purna Bahadur Poudel
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-Ro 221, Tangjeong-Myeon, Asan-Si, Chungnam, 31460, South Korea
| | - Hue Thi Nguyen
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-Ro 221, Tangjeong-Myeon, Asan-Si, Chungnam, 31460, South Korea
| | - Adzemye Fovennso Bridget
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-Ro 221, Tangjeong-Myeon, Asan-Si, Chungnam, 31460, South Korea
| | - Jae Kyung Sohng
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sun Moon-Ro 221, Tangjeong-Myeon, Asan-Si, Chungnam, 31460, South Korea.
- Department of Pharmaceutical Engineering and Biotechnology, Sun Moon University, 70 Sun Moon-Ro 221, Tangjeong-Myeon, Asan-Si, Chungnam, 31460, South Korea.
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5
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Espinosa-Asuar L, Monroy-Guzmán C, Madrigal-Trejo D, Navarro-Miranda M, Sánchez-Pérez J, Buenrostro Muñoz J, Villar J, Cifuentes Camargo JF, Kalambokidis M, Esquivel-Hernandez DA, Viladomat Jasso M, Escalante AE, Velez P, Figueroa M, Martinez-Cardenas A, Ramirez-Barahona S, Gasca-Pineda J, Eguiarte LE, Souza V. Diversity of an uncommon elastic hypersaline microbial mat along a small-scale transect. PeerJ 2022; 10:e13579. [PMID: 35757167 PMCID: PMC9220918 DOI: 10.7717/peerj.13579] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 05/22/2022] [Indexed: 01/17/2023] Open
Abstract
We evaluated the microbial diversity and metabolome profile of an uncommon hypersaline elastic microbial mat from Cuatro Ciénegas Basin (CCB) in the Chihuahuan Desert of Coahuila, México. We collected ten samples on a small scale transect (1.5-m) and described its microbial diversity through NGS-based ITS and 16S rDNA gene sequencing. A very low number of taxa comprised a considerable proportion of the mat and were shared across all sampling points, whereas the rare biosphere was more phylogenetically diverse (Faith's Phylogenetic Diversity (FPD) index) and phylogenetically disperse (using a null model distribution of Phylogenetic Species Clustering (nmdPSC)) than the abundant (high read count) taxa for both analyzed libraries. We also found a distinctive metabolome profile for each sample and were able to tentatively annotate several classes of compounds with relevant biological properties.
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Affiliation(s)
- Laura Espinosa-Asuar
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
| | - Camila Monroy-Guzmán
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
| | - David Madrigal-Trejo
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
| | - Marisol Navarro-Miranda
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
| | - Jazmin Sánchez-Pérez
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
| | - Jhoselinne Buenrostro Muñoz
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
| | - Juan Villar
- Pontifica Universidad Javeriana, Bogotá D.C., Colombia
| | | | - Maria Kalambokidis
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
| | - Diego A. Esquivel-Hernandez
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
| | - Mariette Viladomat Jasso
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
| | - Ana E. Escalante
- Laboratorio Nacional de Ciencias de la Sostenibilidad, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
| | - Patricia Velez
- Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, CdMx, México
| | - Mario Figueroa
- Facultad de Química, Universidad Nacional Autónoma de México, CdMx, México
| | | | - Santiago Ramirez-Barahona
- Departamento de Botánica, Instituto de Biología, Universidad Nacional Autónoma de México, CdMx, México
| | - Jaime Gasca-Pineda
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
| | - Luis E. Eguiarte
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
| | - Valeria Souza
- Departamento de Ecología Evolutiva, Instituto de Ecología, Universidad Nacional Autónoma de México, CdMx, México
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6
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Wurlitzer JM, Stanišić A, Ziethe S, Jordan PM, Günther K, Werz O, Kries H, Gressler M. Macrophage-targeting oligopeptides from Mortierella alpina. Chem Sci 2022; 13:9091-9101. [PMID: 36091214 PMCID: PMC9365243 DOI: 10.1039/d2sc00860b] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 07/15/2022] [Indexed: 12/27/2022] Open
Abstract
The realm of natural products of early diverging fungi such as Mortierella species is largely unexplored. Herein, the nonribosomal peptide synthetase (NRPS) MalA catalysing the biosynthesis of the surface-active biosurfactants, malpinins, has been identified and biochemically characterised. The investigation of the substrate specificity of respective adenylation (A) domains indicated a substrate-tolerant enzyme with an unusual, inactive C-terminal NRPS module. Specificity-based precursor-directed biosynthesis yielded 20 new congeners produced by a single enzyme. Moreover, MalA incorporates artificial, click-functionalised amino acids which allowed postbiosynthetic coupling to a fluorophore. The fluorescent malpinin conjugate penetrates mammalian cell membranes via an phagocytosis-mediated mechanism, suggesting Mortierella oligopeptides as carrier peptides for directed cell targeting. The current study demonstrates substrate-specificity testing as a powerful tool to identify flexible NRPS modules and highlights basal fungi as reservoir for chemically tractable compounds in pharmaceutical applications. Specificity profiling of a nonribosomal peptide synthetase of an early diverging fungus revealed high substrate flexibility. Feeding studies with click-functionalised amino acids enabled the production of fluorescent peptides targeting macrophages.![]()
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Affiliation(s)
- Jacob M. Wurlitzer
- Department Pharmaceutical Microbiology at the Leibniz Institute for Natural Product Research and Infection Biology (Hans-Knöll-Institute), Friedrich-Schiller-University, Winzerlaer Strasse 2, Jena 07745, Germany
| | - Aleksa Stanišić
- Junior Group Biosynthetic Design of Natural Products at the Leibniz Institute for Natural Product Research and Infection Biology (Hans-Knöll-Institute), Beutenbergstrasse 11a, Jena 07745, Germany
| | - Sebastian Ziethe
- Department Pharmaceutical Microbiology at the Leibniz Institute for Natural Product Research and Infection Biology (Hans-Knöll-Institute), Friedrich-Schiller-University, Winzerlaer Strasse 2, Jena 07745, Germany
| | - Paul M. Jordan
- Department Pharmaceutical/Medicinal Chemistry at the Friedrich-Schiller-University, Philosophenweg 14, Jena 07743, Germany
| | - Kerstin Günther
- Department Pharmaceutical/Medicinal Chemistry at the Friedrich-Schiller-University, Philosophenweg 14, Jena 07743, Germany
| | - Oliver Werz
- Department Pharmaceutical/Medicinal Chemistry at the Friedrich-Schiller-University, Philosophenweg 14, Jena 07743, Germany
| | - Hajo Kries
- Junior Group Biosynthetic Design of Natural Products at the Leibniz Institute for Natural Product Research and Infection Biology (Hans-Knöll-Institute), Beutenbergstrasse 11a, Jena 07745, Germany
| | - Markus Gressler
- Department Pharmaceutical Microbiology at the Leibniz Institute for Natural Product Research and Infection Biology (Hans-Knöll-Institute), Friedrich-Schiller-University, Winzerlaer Strasse 2, Jena 07745, Germany
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7
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Little RF, Hertweck C. Chain release mechanisms in polyketide and non-ribosomal peptide biosynthesis. Nat Prod Rep 2021; 39:163-205. [PMID: 34622896 DOI: 10.1039/d1np00035g] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Review covering up to mid-2021The structure of polyketide and non-ribosomal peptide natural products is strongly influenced by how they are released from their biosynthetic enzymes. As such, Nature has evolved a diverse range of release mechanisms, leading to the formation of bioactive chemical scaffolds such as lactones, lactams, diketopiperazines, and tetronates. Here, we review the enzymes and mechanisms used for chain release in polyketide and non-ribosomal peptide biosynthesis, how these mechanisms affect natural product structure, and how they could be utilised to introduce structural diversity into the products of engineered biosynthetic pathways.
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Affiliation(s)
- Rory F Little
- Leibniz Institute for Natural Product Research and Infection Biology, HKI, Germany.
| | - Christian Hertweck
- Leibniz Institute for Natural Product Research and Infection Biology, HKI, Germany.
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8
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Hollmann T, Berkhan G, Wagner L, Sung KH, Kolb S, Geise H, Hahn F. Biocatalysts from Biosynthetic Pathways: Enabling Stereoselective, Enzymatic Cycloether Formation on a Gram Scale. ACS Catal 2020. [DOI: 10.1021/acscatal.9b05071] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Tim Hollmann
- Professur für Organische Chemie (Lebensmittelchemie), Fakultät für Biologie, Chemie und Geowissenschaften, Department of Chemistry, Universität Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Gesche Berkhan
- Professur für Organische Chemie (Lebensmittelchemie), Fakultät für Biologie, Chemie und Geowissenschaften, Department of Chemistry, Universität Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
- Centre for Biomolecular Drug Research, Leibniz Universität Hannover, Schneiderberg 38, 30167 Hannover, Germany
| | - Lisa Wagner
- Professur für Organische Chemie (Lebensmittelchemie), Fakultät für Biologie, Chemie und Geowissenschaften, Department of Chemistry, Universität Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Kwang Hoon Sung
- Helmholtz-Zentrum für Infektionsforschung GmbH, Inhoffenstrasse 7, 38124 Braunschweig, Germany
- Institute of Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstrasse 7, 38106 Braunschweig, Germany
- Protein Facility, ILAb Co., Ltd. NP513, The Catholic University of Korea, 420-743 Bucheon, Republic of Korea
| | - Simon Kolb
- Professur für Organische Chemie (Lebensmittelchemie), Fakultät für Biologie, Chemie und Geowissenschaften, Department of Chemistry, Universität Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
| | - Hendrik Geise
- Centre for Biomolecular Drug Research, Leibniz Universität Hannover, Schneiderberg 38, 30167 Hannover, Germany
| | - Frank Hahn
- Professur für Organische Chemie (Lebensmittelchemie), Fakultät für Biologie, Chemie und Geowissenschaften, Department of Chemistry, Universität Bayreuth, Universitätsstraße 30, 95447 Bayreuth, Germany
- Centre for Biomolecular Drug Research, Leibniz Universität Hannover, Schneiderberg 38, 30167 Hannover, Germany
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9
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Jaremko MJ, Davis TD, Corpuz JC, Burkart MD. Type II non-ribosomal peptide synthetase proteins: structure, mechanism, and protein-protein interactions. Nat Prod Rep 2020; 37:355-379. [PMID: 31593192 PMCID: PMC7101270 DOI: 10.1039/c9np00047j] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Covering: 1990 to 2019 Many medicinally-relevant compounds are derived from non-ribosomal peptide synthetase (NRPS) products. Type I NRPSs are organized into large modular complexes, while type II NRPS systems contain standalone or minimal domains that often encompass specialized tailoring enzymes that produce bioactive metabolites. Protein-protein interactions and communication between the type II biosynthetic machinery and various downstream pathways are critical for efficient metabolite production. Importantly, the architecture of type II NRPS proteins makes them ideal targets for combinatorial biosynthesis and metabolic engineering. Future investigations exploring the molecular basis or protein-protein recognition in type II NRPS pathways will guide these engineering efforts. In this review, we consolidate the broad range of NRPS systems containing type II proteins and focus on structural investigations, enzymatic mechanisms, and protein-protein interactions important to unraveling pathways that produce unique metabolites, including dehydrogenated prolines, substituted benzoic acids, substituted amino acids, and cyclopropanes.
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Affiliation(s)
- Matt J Jaremko
- Department of Chemistry and Biochemistry, University of California, 9500 Gilman Drive, La Jolla, San Diego, California 92093-0358, USA.
| | - Tony D Davis
- Department of Chemistry and Biochemistry, University of California, 9500 Gilman Drive, La Jolla, San Diego, California 92093-0358, USA.
| | - Joshua C Corpuz
- Department of Chemistry and Biochemistry, University of California, 9500 Gilman Drive, La Jolla, San Diego, California 92093-0358, USA.
| | - Michael D Burkart
- Department of Chemistry and Biochemistry, University of California, 9500 Gilman Drive, La Jolla, San Diego, California 92093-0358, USA.
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10
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Drulyte I, Obajdin J, Trinh CH, Kalverda AP, van der Kamp MW, Hemsworth GR, Berry A. Crystal structure of the putative cyclase IdmH from the indanomycin nonribosomal peptide synthase/polyketide synthase. IUCRJ 2019; 6:1120-1133. [PMID: 31709067 PMCID: PMC6830212 DOI: 10.1107/s2052252519012399] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 09/05/2019] [Indexed: 05/08/2023]
Abstract
Indanomycin is biosynthesized by a hybrid nonribosomal peptide synthase/polyketide synthase (NRPS/PKS) followed by a number of 'tailoring' steps to form the two ring systems that are present in the mature product. It had previously been hypothesized that the indane ring of indanomycin was formed by the action of IdmH using a Diels-Alder reaction. Here, the crystal structure of a selenomethionine-labelled truncated form of IdmH (IdmH-Δ99-107) was solved using single-wavelength anomalous dispersion (SAD) phasing. This truncated variant allows consistent and easy crystallization, but importantly the structure was used as a search model in molecular replacement, allowing the full-length IdmH structure to be determined to 2.7 Å resolution. IdmH is a homodimer, with the individual protomers consisting of an α+β barrel. Each protomer contains a deep hydrophobic pocket which is proposed to constitute the active site of the enzyme. To investigate the reaction catalysed by IdmH, 88% of the backbone NMR resonances were assigned, and using chemical shift perturbation of [15N]-labelled IdmH it was demonstrated that indanomycin binds in the active-site pocket. Finally, combined quantum mechanical/molecular mechanical (QM/MM) modelling of the IdmH reaction shows that the active site of the enzyme provides an appropriate environment to promote indane-ring formation, supporting the assignment of IdmH as the key Diels-Alderase catalysing the final step in the biosynthesis of indanomycin through a similar mechanism to other recently characterized Diels-Alderases involved in polyketide-tailoring reactions. An animated Interactive 3D Complement (I3DC) is available in Proteopedia at https://proteopedia.org/w/Journal:IUCrJ:S2052252519012399.
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Affiliation(s)
- Ieva Drulyte
- Astbury Centre for Structural Molecular Biology and School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, England
| | - Jana Obajdin
- Astbury Centre for Structural Molecular Biology and School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, England
| | - Chi H. Trinh
- Astbury Centre for Structural Molecular Biology and School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, England
| | - Arnout P. Kalverda
- Astbury Centre for Structural Molecular Biology and School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, England
| | - Marc W. van der Kamp
- School of Biochemistry, University of Bristol, University Walk, Bristol BS8 1TD, England
| | - Glyn R. Hemsworth
- Astbury Centre for Structural Molecular Biology and School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, England
| | - Alan Berry
- Astbury Centre for Structural Molecular Biology and School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, England
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11
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Silva AL, Gama PM, Ribeiro da Silva MD. Influence of the functional groups −NH2, −OCH3, and −OH on the thermochemistry of indanes. CAN J CHEM 2019. [DOI: 10.1139/cjc-2019-0257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
This work is a contribution to the thermochemical characterization of bicyclic hydrocarbons, reporting the study of six indane derivatives: 4-aminoindane, 5-aminoindane, 5-methoxyindane, 1-indanol, 2-indanol, and 5-indanol. The combustion calorimetry technique was used to measure the massic energy of combustion of each compound in the condensed state, which has been used to derive the corresponding standard (p° = 0.1 MPa) molar enthalpy of formation, at 298.15 K. The standard molar enthalpies of sublimation or vaporization of the compounds were determined by high-temperature Calvet microcalorimetry. For each indane derivative, the results obtained for those two properties, allowed to derive the respective value of standard molar enthalpy of formation, in the gaseous phase. Additionally, a theoretical study at the G3(MP2)//B3LYP level has been carried out, and the calculated enthalpies of formation have been compared with the experimental values. The values of the enthalpy of formation, in the gaseous phase, were analysed in terms of correlations between the structural (different substituents in the indane core) and energetics characteristics.
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Affiliation(s)
- Ana L.R. Silva
- Centro de Investigação em Química, Department of Chemistry and Biochemistry, Faculty of Science, University of Porto, Porto P-4169-007, Portugal
- Centro de Investigação em Química, Department of Chemistry and Biochemistry, Faculty of Science, University of Porto, Porto P-4169-007, Portugal
| | - Paula M.V. Gama
- Centro de Investigação em Química, Department of Chemistry and Biochemistry, Faculty of Science, University of Porto, Porto P-4169-007, Portugal
- Centro de Investigação em Química, Department of Chemistry and Biochemistry, Faculty of Science, University of Porto, Porto P-4169-007, Portugal
| | - Maria D.M.C. Ribeiro da Silva
- Centro de Investigação em Química, Department of Chemistry and Biochemistry, Faculty of Science, University of Porto, Porto P-4169-007, Portugal
- Centro de Investigação em Química, Department of Chemistry and Biochemistry, Faculty of Science, University of Porto, Porto P-4169-007, Portugal
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12
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Niehs SP, Dose B, Scherlach K, Pidot SJ, Stinear TP, Hertweck C. Genome Mining Reveals Endopyrroles from a Nonribosomal Peptide Assembly Line Triggered in Fungal-Bacterial Symbiosis. ACS Chem Biol 2019; 14:1811-1818. [PMID: 31283172 DOI: 10.1021/acschembio.9b00406] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The bacterial endosymbiont (Burkholderia rhizoxinica) of the rice seedling blight fungus (Rhizopus microsporus) harbors a large number of cryptic biosynthesis gene clusters. Genome mining and sequence similarity networks based on an encoded nonribosomal peptide assembly line and the associated pyrrole-forming enzymes in the symbiont indicated that the encoded metabolites are unique among a large number of tentative pyrrole natural products in diverse and unrelated bacterial phyla. By performing comparative metabolic profiling using a mutant generated with an improved pheS Burkholderia counterselection marker, we found that the symbionts' biosynthetic pathway is mainly activated under salt stress and exclusively in symbiosis with the fungal host. The cryptic metabolites were fully characterized as novel pyrrole-substituted depsipeptides (endopyrroles). A broader survey showed that endopyrrole production is a hallmark of geographically distant endofungal bacteria, which produce the peptides solely under symbiotic conditions.
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Affiliation(s)
- Sarah P. Niehs
- Department of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology, HKI, Beutenbergstrasse 11a, 07745 Jena, Germany
| | - Benjamin Dose
- Department of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology, HKI, Beutenbergstrasse 11a, 07745 Jena, Germany
| | - Kirstin Scherlach
- Department of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology, HKI, Beutenbergstrasse 11a, 07745 Jena, Germany
| | - Sacha J. Pidot
- Department of Microbiology and Immunology, Doherty Institute, University of Melbourne, 792 Elizabeth Street, Melbourne 3000, Australia
| | - Timothy P. Stinear
- Department of Microbiology and Immunology, Doherty Institute, University of Melbourne, 792 Elizabeth Street, Melbourne 3000, Australia
| | - Christian Hertweck
- Department of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology, HKI, Beutenbergstrasse 11a, 07745 Jena, Germany
- Faculty of Biological Sciences, Friedrich Schiller University Jena, 07743 Jena, Germany
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13
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Ravindran A, Sunderrajan S, Pennathur G. Phylogenetic Studies on the Prodigiosin Biosynthetic Operon. Curr Microbiol 2019; 76:597-606. [DOI: 10.1007/s00284-019-01665-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2018] [Accepted: 03/01/2019] [Indexed: 11/30/2022]
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14
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Computational identification of co-evolving multi-gene modules in microbial biosynthetic gene clusters. Commun Biol 2019; 2:83. [PMID: 30854475 PMCID: PMC6395733 DOI: 10.1038/s42003-019-0333-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 01/22/2019] [Indexed: 11/09/2022] Open
Abstract
The biosynthetic machinery responsible for the production of bacterial specialised metabolites is encoded by physically clustered group of genes called biosynthetic gene clusters (BGCs). The experimental characterisation of numerous BGCs has led to the elucidation of subclusters of genes within BGCs, jointly responsible for the same biosynthetic function in different genetic contexts. We developed an unsupervised statistical method able to successfully detect a large number of modules (putative functional subclusters) within an extensive set of predicted BGCs in a systematic and automated manner. Multiple already known subclusters were confirmed by our method, proving its efficiency and sensitivity. In addition, the resulting large collection of newly defined modules provides new insights into the prevalence and putative biosynthetic role of these modular genetic entities. The automated and unbiased identification of hundreds of co-evolving group of genes is an essential breakthrough for the discovery and biosynthetic engineering of high-value compounds.
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15
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Abstract
Enzymes that catalyze a Michael-type addition in polyketide biosynthesis are summarized and discussed.
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Affiliation(s)
- Akimasa Miyanaga
- Department of Chemistry
- Tokyo Institute of Technology
- Tokyo 152-8551
- Japan
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16
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Flórez LV, Scherlach K, Miller IJ, Rodrigues A, Kwan JC, Hertweck C, Kaltenpoth M. An antifungal polyketide associated with horizontally acquired genes supports symbiont-mediated defense in Lagria villosa beetles. Nat Commun 2018; 9:2478. [PMID: 29946103 PMCID: PMC6018673 DOI: 10.1038/s41467-018-04955-6] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 06/05/2018] [Indexed: 12/13/2022] Open
Abstract
Microbial symbionts are often a source of chemical novelty and can contribute to host defense against antagonists. However, the ecological relevance of chemical mediators remains unclear for most systems. Lagria beetles live in symbiosis with multiple strains of Burkholderia bacteria that protect their offspring against pathogens. Here, we describe the antifungal polyketide lagriamide, and provide evidence supporting that it is produced by an uncultured symbiont, Burkholderia gladioli Lv-StB, which is dominant in field-collected Lagria villosa. Interestingly, lagriamide is structurally similar to bistramides, defensive compounds found in marine tunicates. We identify a gene cluster that is probably involved in lagriamide biosynthesis, provide evidence for horizontal acquisition of these genes, and show that the naturally occurring symbiont strains on the egg are protective in the soil environment. Our findings highlight the potential of microbial symbionts and horizontal gene transfer as influential sources of ecological innovation.
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Affiliation(s)
- Laura V Flórez
- Department for Evolutionary Ecology, Institute of Organismic and Molecular Evolution, Johannes Gutenberg University, Johann-Joachim-Becher-Weg 13, 55128, Mainz, Germany.
| | - Kirstin Scherlach
- Department of Biomolecular Chemistry, Leibniz Institute for Natural Products Research and Infection Biology, HKI, Beutenbergstr. 11a, 07745, Jena, Germany.
| | - Ian J Miller
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, 777 Highland Ave, Madison, WI, 53705-2222, USA
| | - Andre Rodrigues
- Department of Biochemistry and Microbiology, UNESP-São Paulo State University, Av. 24A, n. 1515-Bela Vista, Rio Claro, SP, 13506-900, Brazil
| | - Jason C Kwan
- Pharmaceutical Sciences Division, School of Pharmacy, University of Wisconsin, 777 Highland Ave, Madison, WI, 53705-2222, USA
| | - Christian Hertweck
- Department of Biomolecular Chemistry, Leibniz Institute for Natural Products Research and Infection Biology, HKI, Beutenbergstr. 11a, 07745, Jena, Germany
- Natural Product Chemistry, Friedrich Schiller University, 07743, Jena, Germany
| | - Martin Kaltenpoth
- Department for Evolutionary Ecology, Institute of Organismic and Molecular Evolution, Johannes Gutenberg University, Johann-Joachim-Becher-Weg 13, 55128, Mainz, Germany
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17
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Janata J, Kamenik Z, Gazak R, Kadlcik S, Najmanova L. Biosynthesis and incorporation of an alkylproline-derivative (APD) precursor into complex natural products. Nat Prod Rep 2018. [DOI: 10.1039/c7np00047b] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
This review covers the biosynthetic and evolutionary aspects of lincosamide antibiotics, antitumour pyrrolobenzodiazepines (PBDs) and the quorum-sensing molecule hormaomycin.
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Affiliation(s)
- J. Janata
- Institute of Microbiology
- Czech Academy of Sciences
- BIOCEV
- Vestec
- Czech Republic
| | - Z. Kamenik
- Institute of Microbiology
- Czech Academy of Sciences
- BIOCEV
- Vestec
- Czech Republic
| | - R. Gazak
- Institute of Microbiology
- Czech Academy of Sciences
- BIOCEV
- Vestec
- Czech Republic
| | - S. Kadlcik
- Institute of Microbiology
- Czech Academy of Sciences
- BIOCEV
- Vestec
- Czech Republic
| | - L. Najmanova
- Institute of Microbiology
- Czech Academy of Sciences
- BIOCEV
- Vestec
- Czech Republic
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18
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Sung KH, Berkhan G, Hollmann T, Wagner L, Blankenfeldt W, Hahn F. Einblicke in die duale Aktivität einer bifunktionalen Dehydratase-Cyclase-Domäne. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707774] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Kwang Hoon Sung
- Helmholtz-Zentrum für Infektionsforschung GmbH; Inhoffenstraße 7 38124 Braunschweig Deutschland
- Institut für Biochemie, Biotechnologie und Bioinformatik; Technische Universität Braunschweig; Spielmannstraße 7 38106 Braunschweig Deutschland
| | - Gesche Berkhan
- Professur für Organische Chemie, Lebensmittelchemie, Fachgruppe Chemie, Fakultät für Biologie, Chemie und Geowissenschaften; Universität Bayreuth; Universitätsstraße 30 95447 Bayreuth Deutschland
- Zentrum für Biomolekulare Wirkstoffe, BMWZ; Leibniz Universität Hannover; Schneiderberg 38 30167 Hannover Deutschland
| | - Tim Hollmann
- Professur für Organische Chemie, Lebensmittelchemie, Fachgruppe Chemie, Fakultät für Biologie, Chemie und Geowissenschaften; Universität Bayreuth; Universitätsstraße 30 95447 Bayreuth Deutschland
| | - Lisa Wagner
- Professur für Organische Chemie, Lebensmittelchemie, Fachgruppe Chemie, Fakultät für Biologie, Chemie und Geowissenschaften; Universität Bayreuth; Universitätsstraße 30 95447 Bayreuth Deutschland
| | - Wulf Blankenfeldt
- Helmholtz-Zentrum für Infektionsforschung GmbH; Inhoffenstraße 7 38124 Braunschweig Deutschland
- Institut für Biochemie, Biotechnologie und Bioinformatik; Technische Universität Braunschweig; Spielmannstraße 7 38106 Braunschweig Deutschland
| | - Frank Hahn
- Professur für Organische Chemie, Lebensmittelchemie, Fachgruppe Chemie, Fakultät für Biologie, Chemie und Geowissenschaften; Universität Bayreuth; Universitätsstraße 30 95447 Bayreuth Deutschland
- Zentrum für Biomolekulare Wirkstoffe, BMWZ; Leibniz Universität Hannover; Schneiderberg 38 30167 Hannover Deutschland
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19
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Sung KH, Berkhan G, Hollmann T, Wagner L, Blankenfeldt W, Hahn F. Insights into the Dual Activity of a Bifunctional Dehydratase-Cyclase Domain. Angew Chem Int Ed Engl 2017; 57:343-347. [PMID: 29084363 DOI: 10.1002/anie.201707774] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2017] [Indexed: 01/12/2023]
Abstract
Oxygen-containing heterocycles are a common structural motif in polyketide natural products and contribute significantly to their biological activity. Here, we report structural and mechanistic investigations on AmbDH3, a polyketide synthase domain with dual activity as dehydratase (DH) and pyran-forming cyclase in ambruticin biosynthesis. AmbDH3 is similar to monofunctional DH domains, using H51 and D215 for dehydration. V173 was confirmed as a diagnostic residue for cyclization activity by a mutational study and enzymatic in vitro experiments. Similar motifs were observed in the seemingly monofunctional AmbDH2, which also shows an unexpected cyclase activity. Our results pave the way for mining of hidden cyclases in biosynthetic pathways. They also open interesting prospects for the generation of novel biocatalysts for chemoenzymatic synthesis and pyran-polyketides by combinatorial biosynthesis.
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Affiliation(s)
- Kwang Hoon Sung
- Helmholtz-Zentrum für Infektionsforschung GmbH, Inhoffenstrasse 7, 38124, Braunschweig, Germany.,Institute of Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstrasse 7, 38106, Braunschweig, Germany
| | - Gesche Berkhan
- Professur für Organische Chemie, Lebensmittelchemie, Department of Chemistry, Fakultät für Biologie, Chemie und Geowissenschaften, Universität Bayreuth, Universitätsstrasse 30, 95447, Bayreuth, Germany.,Centre for Biomolecular Drug Research, BMWZ, Leibniz Universität Hannover, Schneiderberg 38, 30167, Hannover, Germany
| | - Tim Hollmann
- Professur für Organische Chemie, Lebensmittelchemie, Department of Chemistry, Fakultät für Biologie, Chemie und Geowissenschaften, Universität Bayreuth, Universitätsstrasse 30, 95447, Bayreuth, Germany
| | - Lisa Wagner
- Professur für Organische Chemie, Lebensmittelchemie, Department of Chemistry, Fakultät für Biologie, Chemie und Geowissenschaften, Universität Bayreuth, Universitätsstrasse 30, 95447, Bayreuth, Germany
| | - Wulf Blankenfeldt
- Helmholtz-Zentrum für Infektionsforschung GmbH, Inhoffenstrasse 7, 38124, Braunschweig, Germany.,Institute of Biochemistry, Biotechnology and Bioinformatics, Technische Universität Braunschweig, Spielmannstrasse 7, 38106, Braunschweig, Germany
| | - Frank Hahn
- Professur für Organische Chemie, Lebensmittelchemie, Department of Chemistry, Fakultät für Biologie, Chemie und Geowissenschaften, Universität Bayreuth, Universitätsstrasse 30, 95447, Bayreuth, Germany.,Centre for Biomolecular Drug Research, BMWZ, Leibniz Universität Hannover, Schneiderberg 38, 30167, Hannover, Germany
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20
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Abstract
The enzymology of 135 assembly lines containing primarily cis-acyltransferase modules is comprehensively analyzed, with greater attention paid to less common phenomena. Diverse online transformations, in which the substrate and/or product of the reaction is an acyl chain bound to an acyl carrier protein, are classified so that unusual reactions can be compared and underlying assembly-line logic can emerge. As a complement to the chemistry surrounding the loading, extension, and offloading of assembly lines that construct primarily polyketide products, structural aspects of the assembly-line machinery itself are considered. This review of assembly-line phenomena, covering the literature up to 2017, should thus be informative to the modular polyketide synthase novice and expert alike.
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Affiliation(s)
- Adrian T Keatinge-Clay
- Department of Molecular Biosciences, The University of Texas at Austin , Austin, Texas 78712, United States
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21
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Walther E, Boldt S, Kage H, Lauterbach T, Martin K, Roth M, Hertweck C, Sauerbrei A, Schmidtke M, Nett M. Zincophorin - biosynthesis in Streptomyces griseus and antibiotic properties. GMS INFECTIOUS DISEASES 2016; 4:Doc08. [PMID: 30671322 PMCID: PMC6301713 DOI: 10.3205/id000026] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Zincophorin is a polyketide antibiotic that possesses potent activity against Gram-positive bacteria, including human pathogens. While a number of total syntheses of this highly functionalized natural product were reported since its initial discovery, the genetic basis for the biosynthesis of zincophorin has remained unclear. In this study, the co-linearity inherent to polyketide pathways was used to identify the zincophorin biosynthesis gene cluster in the genome of the natural producer Streptomyces griseus HKI 0741. Interestingly, the same locus is fully conserved in the streptomycin-producing actinomycete S. griseus IFO 13350, suggesting that the latter bacterium is also capable of zincophorin biosynthesis. Biological profiling of zincophorin revealed a dose-dependent inhibition of the Gram-positive bacterium Streptococcus pneumoniae. The antibacterial effect, however, is accompanied by cytotoxicity. Antibiotic and cytotoxic activities were completely abolished upon esterification of the carboxylic acid group in zincophorin.
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Affiliation(s)
- Elisabeth Walther
- Jena University Hospital, Department of Virology and Antiviral Therapy, Jena, Germany
| | - Sabrina Boldt
- Department of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute, Jena, Germany
| | - Hirokazu Kage
- Technical University Dortmund, Department of Biochemical and Chemical Engineering, Dortmund, Germany
| | - Tom Lauterbach
- Department of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute, Jena, Germany
| | - Karin Martin
- Bio Pilot Plant, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute, Jena, Germany
| | - Martin Roth
- Bio Pilot Plant, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute, Jena, Germany
| | - Christian Hertweck
- Department of Biomolecular Chemistry, Leibniz Institute for Natural Product Research and Infection Biology, Hans Knöll Institute, Jena, Germany
| | - Andreas Sauerbrei
- Jena University Hospital, Department of Virology and Antiviral Therapy, Jena, Germany
| | - Michaela Schmidtke
- Jena University Hospital, Department of Virology and Antiviral Therapy, Jena, Germany
| | - Markus Nett
- Technical University Dortmund, Department of Biochemical and Chemical Engineering, Dortmund, Germany
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22
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Sundaram S, Hertweck C. On-line enzymatic tailoring of polyketides and peptides in thiotemplate systems. Curr Opin Chem Biol 2016; 31:82-94. [DOI: 10.1016/j.cbpa.2016.01.012] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Revised: 12/21/2015] [Accepted: 01/15/2016] [Indexed: 11/26/2022]
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23
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Miyanaga A, Hayakawa Y, Numakura M, Hashimoto J, Teruya K, Hirano T, Shin-Ya K, Kudo F, Eguchi T. Identification of the Fluvirucin B2 (Sch 38518) Biosynthetic Gene Cluster from Actinomadura fulva subsp. indica ATCC 53714: substrate Specificity of the β-Amino Acid Selective Adenylating Enzyme FlvN. Biosci Biotechnol Biochem 2016; 80:935-41. [PMID: 26818633 DOI: 10.1080/09168451.2015.1132155] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Fluvirucins are 14-membered macrolactam polyketides that show antifungal and antivirus activities. Fluvirucins have the β-alanine starter unit at their polyketide skeletons. To understand the construction mechanism of the β-alanine moiety in fluvirucin biosyntheses, we have identified the biosynthetic cluster of fluvirucin B2 produced from Actinomadura fulva subsp. indica ATCC 53714. The identified gene cluster contains three polyketide synthases, four characteristic β-amino acid-carrying enzymes, one decarboxylase, and one amidohydrolase. We next investigated the activity of the adenylation enzyme FlvN, which is a key enzyme for the selective incorporation of a β-amino acid substrate. FlvN showed strong preference for l-aspartate over other amino acids such as β-alanine. Based on these results, we propose a biosynthetic pathway for fluvirucin B2.
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Affiliation(s)
- Akimasa Miyanaga
- a Department of Chemistry , Tokyo Institute of Technology , Tokyo , Japan
| | - Yuki Hayakawa
- b Department of Chemistry and Materials Science , Tokyo Institute of Technology , Tokyo , Japan
| | - Mario Numakura
- a Department of Chemistry , Tokyo Institute of Technology , Tokyo , Japan
| | | | - Kuniko Teruya
- d Okinawa Biotechnology Business Support Center , Okinawa Institute of Advanced Sciences , Uruma , Japan
| | - Takashi Hirano
- d Okinawa Biotechnology Business Support Center , Okinawa Institute of Advanced Sciences , Uruma , Japan.,e Okinawa Biotechnology Business Support Center , Okinawa Science and Technology Promotion Center , Uruma , Japan
| | - Kazuo Shin-Ya
- f National Institute of Advanced Industrial Science and Technology , Tokyo , Japan
| | - Fumitaka Kudo
- a Department of Chemistry , Tokyo Institute of Technology , Tokyo , Japan
| | - Tadashi Eguchi
- b Department of Chemistry and Materials Science , Tokyo Institute of Technology , Tokyo , Japan
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24
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Metabolic engineering of Escherichia coli for the biosynthesis of 2-pyrrolidone. Metab Eng Commun 2015; 3:1-7. [PMID: 29468109 PMCID: PMC5779725 DOI: 10.1016/j.meteno.2015.11.001] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 10/25/2015] [Accepted: 11/03/2015] [Indexed: 11/23/2022] Open
Abstract
2-Pyrrolidone is a valuable bulk chemical with myriad applications as a solvent, polymer precursor and active pharmaceutical intermediate. A novel 2-pyrrolidone synthase, ORF27, from Streptomyces aizunensis was identified to catalyze the ring closing dehydration of γ-aminobutyrate. ORF27's tendency to aggregate was resolved by expression at low temperature and fusion to the maltose binding protein (MBP). Recombinant Escherichia coli was metabolically engineered for the production of 2-pyrrolidone from glutamate by expressing both the genes encoding GadB, a glutamate decarboxylase, and ORF27. Incorporation of a GadB mutant lacking H465 and T466, GadB_ΔHT, improved the efficiency of one-pot 2-pyrrolidone biosynthesis in vivo. When the recombinant E. coli strain expressing the E. coli GadB_ΔHT mutant and the ORF27-MBP fusion was cultured in ZYM-5052 medium containing 9 g/L of l-glutamate, 7.7 g/L of l-glutamate was converted to 1.1 g/L of 2-pyrrolidone within 31 h, achieving 25% molar yield from the consumed substrate. ORF27 from Streptomyces aizunensis catalyzes formation of 2-pyrrolidone from γ-aminobutyrate. Recombinant Escherichia coli with GadB and ORF27 produces 2-pyrrolidone from glutamate. Engineered strain capable of producing 1.1 g/L of 2-pyrrolidone from 9 g/L of glutamate within 31 h.
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25
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Daduang R, Kitani S, Hashimoto J, Thamchaipenet A, Igarashi Y, Shin-ya K, Ikeda H, Nihira T. Characterization of the biosynthetic gene cluster for maklamicin, a spirotetronate-class antibiotic of the endophytic Micromonospora sp. NBRC 110955. Microbiol Res 2015; 180:30-9. [DOI: 10.1016/j.micres.2015.07.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 07/08/2015] [Accepted: 07/11/2015] [Indexed: 10/23/2022]
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26
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Luhavaya H, Dias MVB, Williams SR, Hong H, de Oliveira LG, Leadlay PF. Enzymology of Pyran Ring A Formation in Salinomycin Biosynthesis. ACTA ACUST UNITED AC 2015; 127:13826-13829. [PMID: 27587902 PMCID: PMC4988243 DOI: 10.1002/ange.201507090] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Indexed: 01/25/2023]
Abstract
Tetrahydropyran rings are a common feature of complex polyketide natural products, but much remains to be learned about the enzymology of their formation. The enzyme SalBIII from the salinomycin biosynthetic pathway resembles other polyether epoxide hydrolases/cyclases of the MonB family, but SalBIII plays no role in the conventional cascade of ring opening/closing. Mutation in the salBIII gene gave a metabolite in which ring A is not formed. Using this metabolite in vitro as a substrate analogue, SalBIII has been shown to form pyran ring A. We have determined the X-ray crystal structure of SalBIII, and structure-guided mutagenesis of putative active-site residues has identified Asp38 and Asp104 as an essential catalytic dyad. The demonstrated pyran synthase activity of SalBIII further extends the impressive catalytic versatility of α+β barrel fold proteins.
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Affiliation(s)
- Hanna Luhavaya
- Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge CB2 1GA (UK)
| | - Marcio V B Dias
- Department of Microbiology, Institute of Biomedical Science, University of São Paulo, Av. Prof. Lineu Prestes, 1374, 05508-000, São Paulo-SP (Brazil)
| | - Simon R Williams
- University Chemical Laboratory, University of Cambridge, Lensfield Road, Cambridge CB2 1EW (UK)
| | - Hui Hong
- Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge CB2 1GA (UK)
| | - Luciana G de Oliveira
- Department of Organic Chemistry, University of Campinas UNICAMP, Cidade Universitária Zeferino Vaz s/n, P.O. Box 6154, 13083-970, Campinas-SP (Brazil)
| | - Peter F Leadlay
- Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge CB2 1GA (UK)
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27
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Luhavaya H, Dias MVB, Williams SR, Hong H, de Oliveira LG, Leadlay PF. Enzymology of Pyran Ring A Formation in Salinomycin Biosynthesis. Angew Chem Int Ed Engl 2015; 54:13622-5. [PMID: 26377145 PMCID: PMC4648038 DOI: 10.1002/anie.201507090] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Indexed: 02/06/2023]
Abstract
Tetrahydropyran rings are a common feature of complex polyketide natural products, but much remains to be learned about the enzymology of their formation. The enzyme SalBIII from the salinomycin biosynthetic pathway resembles other polyether epoxide hydrolases/cyclases of the MonB family, but SalBIII plays no role in the conventional cascade of ring opening/closing. Mutation in the salBIII gene gave a metabolite in which ring A is not formed. Using this metabolite in vitro as a substrate analogue, SalBIII has been shown to form pyran ring A. We have determined the X-ray crystal structure of SalBIII, and structure-guided mutagenesis of putative active-site residues has identified Asp38 and Asp104 as an essential catalytic dyad. The demonstrated pyran synthase activity of SalBIII further extends the impressive catalytic versatility of α+β barrel fold proteins.
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Affiliation(s)
- Hanna Luhavaya
- Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge CB2 1GA (UK)
| | - Marcio V B Dias
- Department of Microbiology, Institute of Biomedical Science, University of São Paulo, Av. Prof. Lineu Prestes, 1374, 05508-000, São Paulo-SP (Brazil)
| | - Simon R Williams
- University Chemical Laboratory, University of Cambridge, Lensfield Road, Cambridge CB2 1EW (UK)
| | - Hui Hong
- Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge CB2 1GA (UK)
| | - Luciana G de Oliveira
- Department of Organic Chemistry, University of Campinas UNICAMP, Cidade Universitária Zeferino Vaz s/n, P.O. Box 6154, 13083-970, Campinas-SP (Brazil)
| | - Peter F Leadlay
- Department of Biochemistry, University of Cambridge, 80 Tennis Court Road, Cambridge CB2 1GA (UK).
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Vilums M, Heuberger J, Heitman LH, IJzerman AP. Indanes--Properties, Preparation, and Presence in Ligands for G Protein Coupled Receptors. Med Res Rev 2015; 35:1097-126. [PMID: 26018667 DOI: 10.1002/med.21352] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The indane (2,3-dihydro-1H-indene) ring system is an attractive scaffold for biologically active compounds due to the combination of aromatic and aliphatic properties fused together in one rigid system. This bicyclic structure provides a wide range of possibilities to incorporate specific substituents in different directionalities, thus being an attractive scaffold for medicinal chemists. Notably, many indane-based compounds are being used in the clinic to treat various diseases, such as indinavir, an HIV-1 protease inhibitor; indantadol, a potent Monoamine Oxidase (MAO)-inhibitor; the amine uptake inhibitor indatraline; and the ultra-long-acting β-adrenoceptor agonist indacaterol. Given the diversity of targets these drugs act on, one could argue that the indane ring system is a privileged substructure. In the present review, the synthetic and medicinal chemistry of the indane ring system is described. In more detail, it contains a comprehensive overview of compounds bearing the indane substructure with G protein coupled receptor (GPCR) activity, with particular emphasis on their structure-activity relationships (SAR).
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Affiliation(s)
- Maris Vilums
- Division of Medicinal Chemistry, Leiden Academic Centre for Drug Research, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Jules Heuberger
- Division of Medicinal Chemistry, Leiden Academic Centre for Drug Research, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Laura H Heitman
- Division of Medicinal Chemistry, Leiden Academic Centre for Drug Research, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
| | - Adriaan P IJzerman
- Division of Medicinal Chemistry, Leiden Academic Centre for Drug Research, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands
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Bis DM, Ban YH, James ED, Alqahtani N, Viswanathan R, Lane AL. Characterization of the nocardiopsin biosynthetic gene cluster reveals similarities to and differences from the rapamycin and FK-506 pathways. Chembiochem 2015; 16:990-7. [PMID: 25755076 DOI: 10.1002/cbic.201500007] [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: 02/06/2015] [Indexed: 01/19/2023]
Abstract
Macrolide-pipecolate natural products, such as rapamycin (1) and FK-506 (2), are renowned modulators of FK506-binding proteins (FKBPs). The nocardiopsins, from Nocardiopsis sp. CMB-M0232, are the newest members of this structural class. Here, the biosynthetic pathway for nocardiopsins A-D (4-7) is revealed by cloning, sequencing, and bioinformatic analyses of the nsn gene cluster. In vitro evaluation of recombinant NsnL revealed that this lysine cyclodeaminase catalyzes the conversion of L-lysine into the L-pipecolic acid incorporated into 4 and 5. Bioinformatic analyses supported the conjecture that a linear nocardiopsin precursor is equipped with the hydroxy group required for macrolide closure in a previously unobserved manner by employing a P450 epoxidase (NsnF) and limonene epoxide hydrolase homologue (NsnG). The nsn cluster also encodes candidates for tetrahydrofuran group biosynthesis. The nocardiopsin pathway provides opportunities for engineering of FKBP-binding metabolites and for probing new enzymology in nature's polyketide tailoring arsenal.
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Affiliation(s)
- Dana M Bis
- Chemistry Department, University of North Florida, 1 UNF Drive, Jacksonville, FL 32224 (USA)
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Huijbers MM, van Berkel WJ. High yields of activeThermus thermophilusproline dehydrogenase are obtained using maltose-binding protein as a solubility tag. Biotechnol J 2015; 10:395-403. [DOI: 10.1002/biot.201400229] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Revised: 11/24/2014] [Accepted: 12/22/2014] [Indexed: 12/19/2022]
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31
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Berkhan G, Hahn F. Eine Dehydratase-Domäne in der Ambruticin-Biosynthese zeigt zusätzliche Aktivität als Pyran-bildende Cyclase. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201407979] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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32
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Berkhan G, Hahn F. A Dehydratase Domain in Ambruticin Biosynthesis Displays Additional Activity as a Pyran-Forming Cyclase. Angew Chem Int Ed Engl 2014; 53:14240-4. [DOI: 10.1002/anie.201407979] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2014] [Revised: 09/04/2014] [Indexed: 01/11/2023]
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33
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Bouhired SM, Crüsemann M, Almeida C, Weber T, Piel J, Schäberle TF, König GM. Biosynthesis of Phenylnannolone A, a Multidrug Resistance Reversal Agent from the Halotolerant MyxobacteriumNannocystis pusillaB150. Chembiochem 2014; 15:757-65. [DOI: 10.1002/cbic.201300676] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Indexed: 01/28/2023]
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Kadlčík S, Kučera T, Chalupská D, Gažák R, Koběrská M, Ulanová D, Kopecký J, Kutejová E, Najmanová L, Janata J. Adaptation of an L-proline adenylation domain to use 4-propyl-L-proline in the evolution of lincosamide biosynthesis. PLoS One 2013; 8:e84902. [PMID: 24386435 PMCID: PMC3874040 DOI: 10.1371/journal.pone.0084902] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2013] [Accepted: 11/27/2013] [Indexed: 11/18/2022] Open
Abstract
Clinically used lincosamide antibiotic lincomycin incorporates in its structure 4-propyl-L-proline (PPL), an unusual amino acid, while celesticetin, a less efficient related compound, makes use of proteinogenic L-proline. Biochemical characterization, as well as phylogenetic analysis and homology modelling combined with the molecular dynamics simulation were employed for complex comparative analysis of the orthologous protein pair LmbC and CcbC from the biosynthesis of lincomycin and celesticetin, respectively. The analysis proved the compared proteins to be the stand-alone adenylation domains strictly preferring their own natural substrate, PPL or L-proline. The LmbC substrate binding pocket is adapted to accomodate a rare PPL precursor. When compared with L-proline specific ones, several large amino acid residues were replaced by smaller ones opening a channel which allowed the alkyl side chain of PPL to be accommodated. One of the most important differences, that of the residue corresponding to V306 in CcbC changing to G308 in LmbC, was investigated in vitro and in silico. Moreover, the substrate binding pocket rearrangement also allowed LmbC to effectively adenylate 4-butyl-L-proline and 4-pentyl-L-proline, substrates with even longer alkyl side chains, producing more potent lincosamides. A shift of LmbC substrate specificity appears to be an integral part of biosynthetic pathway adaptation to the PPL acquisition. A set of genes presumably coding for the PPL biosynthesis is present in the lincomycin - but not in the celesticetin cluster; their homologs are found in biosynthetic clusters of some pyrrolobenzodiazepines (PBD) and hormaomycin. Whereas in the PBD and hormaomycin pathways the arising precursors are condensed to another amino acid moiety, the LmbC protein is the first functionally proved part of a unique condensation enzyme connecting PPL to the specialized amino sugar building unit.
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Affiliation(s)
- Stanislav Kadlčík
- Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Tomáš Kučera
- Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Dominika Chalupská
- Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Radek Gažák
- Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Markéta Koběrská
- Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Dana Ulanová
- Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Jan Kopecký
- Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Eva Kutejová
- Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
- Department of Biochemistry and Structural Biology, Institute of Molecular Biology, Slovac Academy of Sciences, Bratislava, Slovakia
| | - Lucie Najmanová
- Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Jiří Janata
- Institute of Microbiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
- * E-mail:
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35
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Lian XY, Zhang Z. Indanomycin-related antibiotics from marineStreptomyces antibioticusPTZ0016. Nat Prod Res 2013; 27:2161-7. [DOI: 10.1080/14786419.2013.793688] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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36
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Wilson MC, Moore BS. Beyond ethylmalonyl-CoA: the functional role of crotonyl-CoA carboxylase/reductase homologs in expanding polyketide diversity. Nat Prod Rep 2011; 29:72-86. [PMID: 22124767 DOI: 10.1039/c1np00082a] [Citation(s) in RCA: 111] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review covers the emerging biosynthetic role of crotonyl-CoA carboxylase/reductase (CCR) homologs in extending the structural and functional diversity of polyketide natural products. CCRs catalyze the reductive carboxylation of α,β-unsaturated acyl-CoA substrates to produce a variety of substituted malonyl-CoA derivatives employed as polyketide synthase extender units. Here we discuss the history of CCRs in both primary and secondary metabolism, the mechanism by which they function, examples of new polyketide diversity from pathway specific CCRs, and the role of CCRs in facilitating the bioengineering novel polyketides.
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Affiliation(s)
- Micheal C Wilson
- Scripps Institution of Oceanography, University of California at San Diego, La Jolla, USA
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37
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Mann S, Lombard B, Loew D, Méjean A, Ploux O. Insights into the Reaction Mechanism of the Prolyl–Acyl Carrier Protein Oxidase Involved in Anatoxin-a and Homoanatoxin-a Biosynthesis. Biochemistry 2011; 50:7184-97. [DOI: 10.1021/bi200892a] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Stéphane Mann
- Laboratoire
Charles Friedel,
Chimie ParisTech, ENSCP, 11 rue Pierre
et Marie Curie, 75231 Paris Cedex 05, France
- CNRS, UMR 7223, 75005
Paris, France
| | - Bérangère Lombard
- Laboratory of Proteomic Mass
Spectrometry, Centre de Recherche, Institut Curie, 26 rue d'Ulm 75248, Paris Cedex 05, France
| | - Damarys Loew
- Laboratory of Proteomic Mass
Spectrometry, Centre de Recherche, Institut Curie, 26 rue d'Ulm 75248, Paris Cedex 05, France
| | - Annick Méjean
- Laboratoire
Charles Friedel,
Chimie ParisTech, ENSCP, 11 rue Pierre
et Marie Curie, 75231 Paris Cedex 05, France
- CNRS, UMR 7223, 75005
Paris, France
- Université Paris Diderot-Paris 7, 75013 Paris, France
| | - Olivier Ploux
- Laboratoire
Charles Friedel,
Chimie ParisTech, ENSCP, 11 rue Pierre
et Marie Curie, 75231 Paris Cedex 05, France
- CNRS, UMR 7223, 75005
Paris, France
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38
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A Branched Extender Unit Shared between Two Orthogonal Polyketide Pathways in an Endophyte. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201008265] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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39
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Xu Z, Ding L, Hertweck C. A Branched Extender Unit Shared between Two Orthogonal Polyketide Pathways in an Endophyte. Angew Chem Int Ed Engl 2011; 50:4667-70. [DOI: 10.1002/anie.201008265] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2010] [Indexed: 12/13/2022]
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40
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Rommel KR, Li C, Kelly WL. Identification of a tetraene-containing product of the indanomycin biosynthetic pathway. Org Lett 2011; 13:2536-9. [PMID: 21491871 DOI: 10.1021/ol200570u] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The indanomycin biosynthetic gene (idm) cluster was recently identified from Streptomyces antibioticus NRRL 8167. The disruption of one of these genes, idmH, and the increased production of a previously unreported metabolite in this mutant is reported. The structure of this compound was elucidated and was shown to possess a linear tetraene. This metabolite is not a logical biosynthetic intermediate of indanomycin but instead is likely an alternate product of the pathway.
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Affiliation(s)
- Kathryn R Rommel
- School of Chemistry and Biochemistry and the Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
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41
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Kopp M, Irschik H, Gemperlein K, Buntin K, Meiser P, Weissman KJ, Bode HB, Müller R. Insights into the complex biosynthesis of the leupyrrins in Sorangium cellulosum So ce690. MOLECULAR BIOSYSTEMS 2011; 7:1549-63. [PMID: 21365089 DOI: 10.1039/c0mb00240b] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The anti-fungal leupyrrins are secondary metabolites produced by several strains of the myxobacterium Sorangium cellulosum. These intriguing compounds incorporate an atypically substituted γ-butyrolactone ring, as well as pyrrole and oxazolinone functionalities, which are located within an unusual asymmetrical macrodiolide. Previous feeding studies revealed that this novel structure arises from the homologation of four distinct structural units, nonribosomally-derived peptide, polyketide, isoprenoid and a dicarboxylic acid, coupled with modification of the various building blocks. Here we have attempted to reconcile the biosynthetic pathway proposed on the basis of the feeding studies with the underlying enzymatic machinery in the S. cellulosum strain So ce690. Gene products can be assigned to many of the suggested steps, but inspection of the gene set provokes the reconsideration of several key transformations. We support our analysis by the reconstitution in vitro of the biosynthesis of the pyrrole carboxylic starter unit along with gene inactivation. In addition, this study reveals that a significant proportion of the genes for leupyrrin biosynthesis are located outside the core cluster, a 'split' organization which is increasingly characteristic of the myxobacteria. Finally, we report the generation of four novel deshydroxy leupyrrin analogues by genetic engineering of the pathway.
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Affiliation(s)
- Maren Kopp
- Helmholtz Institute for Pharmaceutical Research, Helmholtz Center for Infection Research and Department of Pharmaceutical Biotechnology, Saarland University, PO Box 151150, 66041 Saarbrücken, Germany
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42
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Gulder TAM, Freeman MF, Piel J. The Catalytic Diversity of Multimodular Polyketide Synthases: Natural Product Biosynthesis Beyond Textbook Assembly Rules. Top Curr Chem (Cham) 2011. [PMID: 21360321 DOI: 10.1007/128_2010_113] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Bacterial multimodular polyketide synthases (PKSs) are responsible for the biosynthesis of a wide range of pharmacologically active natural products. These megaenzymes contain numerous catalytic and structural domains and act as biochemical templates to generate complex polyketides in an assembly line-like fashion. While the prototypical PKS is composed of only a few different domain types that are fused together in a combinatorial fashion, an increasing number of enzymes is being found that contain additional components. These domains can introduce remarkably diverse modifications into polyketides. This review discusses our current understanding of such noncanonical domains and their role in expanding the biosynthetic versatility of bacterial PKSs.
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43
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Shao Z, Luo Y, Zhao H. Rapid characterization and engineering of natural product biosynthetic pathways via DNA assembler. MOLECULAR BIOSYSTEMS 2011; 7:1056-9. [PMID: 21327279 DOI: 10.1039/c0mb00338g] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report a synthetic biology strategy for rapid genetic manipulation of natural product biosynthetic pathways. Based on DNA assembler, this method synthesizes the entire expression vector containing the target biosynthetic pathway and the genetic elements required for DNA maintenance and replication in various hosts in a single-step manner through yeast homologous recombination, offering unprecedented flexibility and versatility in pathway manipulations.
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Affiliation(s)
- Zengyi Shao
- Department of Chemical and Biomolecular Engineering, Institute for Genomic Biology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
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44
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Zhang F, He HY, Tang MC, Tang YM, Zhou Q, Tang GL. Cloning and Elucidation of the FR901464 Gene Cluster Revealing a Complex Acyltransferase-less Polyketide Synthase Using Glycerate as Starter Units. J Am Chem Soc 2011; 133:2452-62. [DOI: 10.1021/ja105649g] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Feng Zhang
- State Key Laboratory of Bio-organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Hai-Yan He
- State Key Laboratory of Bio-organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Man-Cheng Tang
- State Key Laboratory of Bio-organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Yu-Min Tang
- State Key Laboratory of Bio-organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Qiang Zhou
- State Key Laboratory of Bio-organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Gong-Li Tang
- State Key Laboratory of Bio-organic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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45
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Walsh CT, Fischbach MA. Natural products version 2.0: connecting genes to molecules. J Am Chem Soc 2010; 132:2469-93. [PMID: 20121095 DOI: 10.1021/ja909118a] [Citation(s) in RCA: 318] [Impact Index Per Article: 22.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Natural products have played a prominent role in the history of organic chemistry, and they continue to be important as drugs, biological probes, and targets of study for synthetic and analytical chemists. In this Perspective, we explore how connecting Nature's small molecules to the genes that encode them has sparked a renaissance in natural product research, focusing primarily on the biosynthesis of polyketides and non-ribosomal peptides. We survey monomer biogenesis, coupling chemistries from templated and non-templated pathways, and the broad set of tailoring reactions and hybrid pathways that give rise to the diverse scaffolds and functionalization patterns of natural products. We conclude by considering two questions: What would it take to find all natural product scaffolds? What kind of scientists will be studying natural products in the future?
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Affiliation(s)
- Christopher T Walsh
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, 240 Longwood Avenue, Boston, Massachusetts 02115, USA.
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46
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Méjean A, Mann S, Vassiliadis G, Lombard B, Loew D, Ploux O. In Vitro Reconstitution of the First Steps of Anatoxin-a Biosynthesis in Oscillatoria PCC 6506: From Free l-Proline to Acyl Carrier Protein Bound Dehydroproline. Biochemistry 2009; 49:103-13. [DOI: 10.1021/bi9018785] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Annick Méjean
- Biochimie des micro-organismes, Laboratoire Charles Friedel, UMR CNRS 7223, ENSCP, 11 rue Pierre et Marie Curie, 75231 Paris Cedex 05, France
- Université Paris Diderot-Paris 7, 75013 Paris, France
| | - Stéphane Mann
- Biochimie des micro-organismes, Laboratoire Charles Friedel, UMR CNRS 7223, ENSCP, 11 rue Pierre et Marie Curie, 75231 Paris Cedex 05, France
| | - Gaëlle Vassiliadis
- Biochimie des micro-organismes, Laboratoire Charles Friedel, UMR CNRS 7223, ENSCP, 11 rue Pierre et Marie Curie, 75231 Paris Cedex 05, France
- Université Paris Diderot-Paris 7, 75013 Paris, France
| | - Bérangère Lombard
- Laboratory of Proteomic Mass Spectrometry, Centre de Recherche, Institut Curie, 26 rue d'Ulm, 75248 Paris, France
| | - Damarys Loew
- Laboratory of Proteomic Mass Spectrometry, Centre de Recherche, Institut Curie, 26 rue d'Ulm, 75248 Paris, France
| | - Olivier Ploux
- Biochimie des micro-organismes, Laboratoire Charles Friedel, UMR CNRS 7223, ENSCP, 11 rue Pierre et Marie Curie, 75231 Paris Cedex 05, France
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47
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Abstract
This review covers the recent literature on the release mechanisms for polyketides and nonribosomal peptides produced by microorganisms. The emphasis is on the novel enzymology and mechanistic insights revealed by the biosynthetic studies of new natural products.
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Affiliation(s)
- Liangcheng Du
- Department of Chemistry, University of Nebraska-Lincoln, NE 68588, USA.
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