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Yamamoto K, Sato T, Hao A, Asao K, Kaguchi R, Kusaka S, Ruddarraju RR, Kazamori D, Seo K, Takahashi S, Horiuchi M, Yokota SI, Lee SY, Ichikawa S. Development of a natural product optimization strategy for inhibitors against MraY, a promising antibacterial target. Nat Commun 2024; 15:5085. [PMID: 38877016 PMCID: PMC11178787 DOI: 10.1038/s41467-024-49484-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 06/06/2024] [Indexed: 06/16/2024] Open
Abstract
MraY (phospho-N-acetylmuramoyl-pentapeptide-transferase) inhibitory natural products are attractive molecules as candidates for a new class of antibacterial agents to combat antimicrobial-resistant bacteria. Structural optimization of these natural products is required to improve their drug-like properties for therapeutic use. However, chemical modifications of these natural products are painstaking tasks due to complex synthetic processes, which is a bottleneck in advancing natural products to the clinic. Here, we develop a strategy for a comprehensive in situ evaluation of the build-up library, which enables us to streamline the preparation of the analogue library and directly assess its biological activities. We apply this approach to a series of MraY inhibitory natural products. Through construction and evaluation of the 686-compound library, we identify promising analogues that exhibit potent and broad-spectrum antibacterial activity against highly drug-resistant strains in vitro as well as in vivo in an acute thigh infection model. Structures of the MraY-analogue complexes reveal distinct interaction patterns, suggesting that these analogues represent MraY inhibitors with unique binding modes. We further demonstrate the generality of our strategy by applying it to tubulin-binding natural products to modulate their tubulin polymerization activities.
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Grants
- 22K20704 MEXT | Japan Society for the Promotion of Science (JSPS)
- 21H03622 MEXT | Japan Society for the Promotion of Science (JSPS)
- JP19K16648 MEXT | Japan Society for the Promotion of Science (JSPS)
- 19H03345 MEXT | Japan Society for the Promotion of Science (JSPS)
- 18H04599 MEXT | Japan Society for the Promotion of Science (JSPS)
- 20H04757 MEXT | Japan Society for the Promotion of Science (JSPS)
- JP19ak0101118h0001 Japan Agency for Medical Research and Development (AMED)
- 21ak0101118h9903 Japan Agency for Medical Research and Development (AMED)
- JP18am0101093j0002 Japan Agency for Medical Research and Development (AMED)
- JP22ama121039 Japan Agency for Medical Research and Development (AMED)
- JP23gm1610012 Japan Agency for Medical Research and Development (AMED)
- JP23gm1610013 Japan Agency for Medical Research and Development (AMED)
- JST START Program: ST211004JO Japan Initiative for Global Research Network on Infectious Diseases (J-GRID) from the Ministry of Education, Culture, Sport, Science, and Technology in Japan, MEXT for the Joint Research Program of the Research Center for Zoonosis Control, Hokkaido University
- the Duke Science Technology Scholar Fund
- Takeda Foundation, The Tokyo Biomedical Research Foundation and was partly supported by Hokkaido University, Global Facility Center (GFC), Pharma Science Open Unit (PSOU), funded by MEXT under "Support Program for Implementation of New Equipment Sharing System"
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Affiliation(s)
- Kazuki Yamamoto
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo, 060-0812, Japan.
- Center for Research and Education on Drug Discovery, Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo, 060-0812, Japan.
| | - Toyotaka Sato
- Laboratory of Veterinary Hygiene, School/Faculty of Veterinary Medicine, Hokkaido University, Kita-18, Nishi-9, Kita-ku, Sapporo, 060-0818, Japan
- Graduate School of Infectious Diseases, Hokkaido University, Kita-18, Nishi-9, Kita-ku, Sapporo, 060-0818, Japan
- One Health Research Center, Hokkaido University, Kita-18, Nishi-9, Kita-ku, Sapporo, 060-0818, Japan
| | - Aili Hao
- Department of Biochemistry, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Kenta Asao
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo, 060-0812, Japan
| | - Rintaro Kaguchi
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo, 060-0812, Japan
| | - Shintaro Kusaka
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo, 060-0812, Japan
| | | | - Daichi Kazamori
- Drug Discovery Laboratory, Wakunaga Pharmaceutical Co., Ltd., 1624, Shimokotachi, Koda-cho, Akitakata-shi, Hiroshima, 739-1195, Japan
| | - Kiki Seo
- Drug Discovery Laboratory, Wakunaga Pharmaceutical Co., Ltd., 1624, Shimokotachi, Koda-cho, Akitakata-shi, Hiroshima, 739-1195, Japan
| | - Satoshi Takahashi
- Division of Laboratory Medicine, Sapporo Medical University Hospital, Minami-1, Nishi-16, Chuo-ku, Sapporo, 060-8543, Japan
- Department of Infection Control and Laboratory Medicine, Sapporo Medical University School of Medicine, Minami-1, Nishi-16, Chuo-ku, Sapporo, 060-8543, Japan
| | - Motohiro Horiuchi
- Laboratory of Veterinary Hygiene, School/Faculty of Veterinary Medicine, Hokkaido University, Kita-18, Nishi-9, Kita-ku, Sapporo, 060-0818, Japan
- Graduate School of Infectious Diseases, Hokkaido University, Kita-18, Nishi-9, Kita-ku, Sapporo, 060-0818, Japan
- One Health Research Center, Hokkaido University, Kita-18, Nishi-9, Kita-ku, Sapporo, 060-0818, Japan
| | - Shin-Ichi Yokota
- Department of Microbiology, Sapporo Medical University School of Medicine, Minami-1, Nishi-17, Chuo-ku, Sapporo, 060-8556, Japan
| | - Seok-Yong Lee
- Department of Biochemistry, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Satoshi Ichikawa
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo, 060-0812, Japan.
- Center for Research and Education on Drug Discovery, Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo, 060-0812, Japan.
- Global Institution for Collaborative Research and Education (GI-CoRE), Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Sapporo, Japan.
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Ichikawa S. Bridge between Total Synthesis of Bioactive Natural Products and Development of Drug Leads. YAKUGAKU ZASSHI 2022; 142:355-363. [DOI: 10.1248/yakushi.21-00185-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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3
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Lin YC, Wu CY, Huang HT, Lu MK, Hu WS, Lee KT. Bacillus subtilis natto Derivatives Inhibit Enterococcal Biofilm Formation via Restructuring of the Cell Envelope. Front Microbiol 2021; 12:785351. [PMID: 34956152 PMCID: PMC8695906 DOI: 10.3389/fmicb.2021.785351] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 11/18/2021] [Indexed: 01/15/2023] Open
Abstract
Enterococcus faecalis is considered a leading cause of hospital-acquired infections. Treatment of these infections has become a major challenge for clinicians because some E. faecalis strains are resistant to multiple clinically used antibiotics. Moreover, the presence of E. faecalis biofilms can make infections with E. faecalis more difficult to eradicate with current antibiotic therapies. Thus, our aim in this study was to investigate the effects of probiotic derivatives against E. faecalis biofilm formation. Bacillus subtilis natto is a probiotic strain isolated from Japanese fermented soybean foods, and its culture fluid potently inhibited adherence to Caco-2 cell monolayers, aggregation, and biofilm production without inhibiting the growth of E. faecalis. An apparent decrease in the thickness of E. faecalis biofilms was observed through confocal laser scanning microscopy. In addition, exopolysaccharide synthesis in E. faecalis biofilms was reduced by B. subtilis natto culture fluid treatment. Carbohydrate composition analysis also showed that carbohydrates in the E. faecalis cell envelope were restructured. Furthermore, transcriptome sequencing revealed that the culture fluid of B. subtilis natto downregulated the transcription of genes involved in the WalK/WalR two-component system, peptidoglycan biosynthesis and membrane glycolipid biosynthesis, which are all crucial for E. faecalis cell envelope synthesis and biofilm formation. Collectively, our work shows that some derivatives present in the culture fluid of B. subtilis natto may be useful for controlling E. faecalis biofilms.
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Affiliation(s)
- Yu-Chieh Lin
- Department of Biochemical Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Chun-Yi Wu
- Department of Biochemical Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Hung-Tse Huang
- Department of Biochemical Science and Technology, National Taiwan University, Taipei, Taiwan.,Ministry of Health and Welfare, National Research Institute of Chinese Medicine, Taipei, Taiwan
| | - Mei-Kuang Lu
- Ministry of Health and Welfare, National Research Institute of Chinese Medicine, Taipei, Taiwan.,Graduate Institute of Pharmacognosy, Taipei Medical University, Taipei, Taiwan
| | - Wei-Shou Hu
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN, United States
| | - Kung-Ta Lee
- Department of Biochemical Science and Technology, National Taiwan University, Taipei, Taiwan
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4
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Fisher JF, Mobashery S. β-Lactams against the Fortress of the Gram-Positive Staphylococcus aureus Bacterium. Chem Rev 2021; 121:3412-3463. [PMID: 33373523 PMCID: PMC8653850 DOI: 10.1021/acs.chemrev.0c01010] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The biological diversity of the unicellular bacteria-whether assessed by shape, food, metabolism, or ecological niche-surely rivals (if not exceeds) that of the multicellular eukaryotes. The relationship between bacteria whose ecological niche is the eukaryote, and the eukaryote, is often symbiosis or stasis. Some bacteria, however, seek advantage in this relationship. One of the most successful-to the disadvantage of the eukaryote-is the small (less than 1 μm diameter) and nearly spherical Staphylococcus aureus bacterium. For decades, successful clinical control of its infection has been accomplished using β-lactam antibiotics such as the penicillins and the cephalosporins. Over these same decades S. aureus has perfected resistance mechanisms against these antibiotics, which are then countered by new generations of β-lactam structure. This review addresses the current breadth of biochemical and microbiological efforts to preserve the future of the β-lactam antibiotics through a better understanding of how S. aureus protects the enzyme targets of the β-lactams, the penicillin-binding proteins. The penicillin-binding proteins are essential enzyme catalysts for the biosynthesis of the cell wall, and understanding how this cell wall is integrated into the protective cell envelope of the bacterium may identify new antibacterials and new adjuvants that preserve the efficacy of the β-lactams.
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Affiliation(s)
- Jed F Fisher
- Department of Chemistry and Biochemistry, McCourtney Hall, University of Notre Dame, Notre Dame Indiana 46556, United States
| | - Shahriar Mobashery
- Department of Chemistry and Biochemistry, McCourtney Hall, University of Notre Dame, Notre Dame Indiana 46556, United States
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5
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McErlean M, Liu X, Cui Z, Gust B, Van Lanen SG. Identification and characterization of enzymes involved in the biosynthesis of pyrimidine nucleoside antibiotics. Nat Prod Rep 2021; 38:1362-1407. [PMID: 33404015 DOI: 10.1039/d0np00064g] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Covering: up to September 2020 Hundreds of nucleoside-based natural products have been isolated from various microorganisms, several of which have been utilized in agriculture as pesticides and herbicides, in medicine as therapeutics for cancer and infectious disease, and as molecular probes to study biological processes. Natural products consisting of structural modifications of each of the canonical nucleosides have been discovered, ranging from simple modifications such as single-step alkylations or acylations to highly elaborate modifications that dramatically alter the nucleoside scaffold and require multiple enzyme-catalyzed reactions. A vast amount of genomic information has been uncovered the past two decades, which has subsequently allowed the first opportunity to interrogate the chemically intriguing enzymatic transformations for the latter type of modifications. This review highlights (i) the discovery and potential applications of structurally complex pyrimidine nucleoside antibiotics for which genetic information is known, (ii) the established reactions that convert the canonical pyrimidine into a new nucleoside scaffold, and (iii) the important tailoring reactions that impart further structural complexity to these molecules.
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Affiliation(s)
- M McErlean
- Department of Pharmaceutical Science, College of Pharmacy, University of Kentucky, USA.
| | - X Liu
- Department of Pharmaceutical Science, College of Pharmacy, University of Kentucky, USA.
| | - Z Cui
- Department of Pharmaceutical Science, College of Pharmacy, University of Kentucky, USA.
| | - B Gust
- Pharmaceutical Institute, Department of Pharmaceutical Biology, University of Tübingen, Germany
| | - S G Van Lanen
- Department of Pharmaceutical Science, College of Pharmacy, University of Kentucky, USA.
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6
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Luesch H, Paavilainen VO. Natural products as modulators of eukaryotic protein secretion. Nat Prod Rep 2020; 37:717-736. [PMID: 32067014 DOI: 10.1039/c9np00066f] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Covering: up to the end of 2019Diverse natural product small molecules have allowed critical insights into processes that govern eukaryotic cells' ability to secrete cytosolically synthesized secretory proteins into their surroundings or to insert newly synthesized integral membrane proteins into the lipid bilayer of the endoplasmic reticulum. In addition, many components of the endoplasmic reticulum, required for protein homeostasis or other processes such as lipid metabolism or maintenance of calcium homeostasis, are being investigated for their potential in modulating human disease conditions such as cancer, neurodegenerative conditions and diabetes. In this review, we cover recent findings up to the end of 2019 on natural products that influence protein secretion or impact ER protein homeostasis, and serve as powerful chemical tools to understand protein flux through the mammalian secretory pathway and as leads for the discovery of new therapeutics.
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Affiliation(s)
- Hendrik Luesch
- Department of Medicinal Chemistry, Center for Natural Products, Drug Discovery and Development (CNPD3), University of Florida, P.O. Box 100485, Gainesville, Florida 32610, USA.
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7
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Liposidomycin, the first reported nucleoside antibiotic inhibitor of peptidoglycan biosynthesis translocase I: The discovery of liposidomycin and related compounds with a perspective on their application to new antibiotics. J Antibiot (Tokyo) 2019; 72:877-889. [DOI: 10.1038/s41429-019-0241-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 09/17/2019] [Accepted: 09/17/2019] [Indexed: 12/13/2022]
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8
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Yamamoto K, Sato T, Hikiji Y, Katsuyama A, Matsumaru T, Yakushiji F, Yokota SI, Ichikawa S. Synthesis and biological evaluation of a MraY selective analogue of tunicamycins. NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS 2019; 39:349-364. [PMID: 31566068 DOI: 10.1080/15257770.2019.1649696] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Tunicamycins, which are nucleoside natural products, inhibit both bacterial phospho-N-acetylmuraminic acid (MurNAc)-pentapeptide translocase (MraY) and human UDP-N-acetylglucosamine (GlcNAc): polyprenol phosphate translocase (GPT). The improved synthesis and detailed biological evaluation of an MraY-selective inhibitor, 2, where the GlcNAc moiety was modified to a MurNAc amide, has been described.
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Affiliation(s)
- Kazuki Yamamoto
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Toyotaka Sato
- Department of Microbiology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Yuta Hikiji
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Akira Katsuyama
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan.,Center for Research and Education on Drug Discovery, Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Takanori Matsumaru
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan.,Center for Research and Education on Drug Discovery, Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Fumika Yakushiji
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan.,Center for Research and Education on Drug Discovery, Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
| | - Shin-Ichi Yokota
- Department of Microbiology, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Satoshi Ichikawa
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan.,Center for Research and Education on Drug Discovery, Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo, Japan
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9
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Mechanism of action of nucleoside antibacterial natural product antibiotics. J Antibiot (Tokyo) 2019; 72:865-876. [DOI: 10.1038/s41429-019-0227-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/02/2019] [Accepted: 07/31/2019] [Indexed: 01/09/2023]
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10
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Mashalidis EH, Kaeser B, Terasawa Y, Katsuyama A, Kwon DY, Lee K, Hong J, Ichikawa S, Lee SY. Chemical logic of MraY inhibition by antibacterial nucleoside natural products. Nat Commun 2019; 10:2917. [PMID: 31266949 PMCID: PMC6606608 DOI: 10.1038/s41467-019-10957-9] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 06/06/2019] [Indexed: 01/01/2023] Open
Abstract
Novel antibacterial agents are needed to address the emergence of global antibiotic resistance. MraY is a promising candidate for antibiotic development because it is the target of five classes of naturally occurring nucleoside inhibitors with potent antibacterial activity. Although these natural products share a common uridine moiety, their core structures vary substantially and they exhibit different activity profiles. An incomplete understanding of the structural and mechanistic basis of MraY inhibition has hindered the translation of these compounds to the clinic. Here we present crystal structures of MraY in complex with representative members of the liposidomycin/caprazamycin, capuramycin, and mureidomycin classes of nucleoside inhibitors. Our structures reveal cryptic druggable hot spots in the shallow inhibitor binding site of MraY that were not previously appreciated. Structural analyses of nucleoside inhibitor binding provide insights into the chemical logic of MraY inhibition, which can guide novel approaches to MraY-targeted antibiotic design.
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Affiliation(s)
- Ellene H Mashalidis
- Department of Biochemistry, Duke University Medical Center, 303 Research Drive, Durham, NC, 27710, USA
| | - Benjamin Kaeser
- Department of Biochemistry, Duke University Medical Center, 303 Research Drive, Durham, NC, 27710, USA
| | - Yuma Terasawa
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nihi-6, Kita-ku, Sapporo, 060-0812, Japan
| | - Akira Katsuyama
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nihi-6, Kita-ku, Sapporo, 060-0812, Japan
| | - Do-Yeon Kwon
- Department of Chemistry, Duke University, Durham, NC, 27708, USA
| | - Kiyoun Lee
- Department of Chemistry, The Catholic University of Korea, Bucheon, 14662, Korea
| | - Jiyong Hong
- Department of Chemistry, Duke University, Durham, NC, 27708, USA
| | - Satoshi Ichikawa
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nihi-6, Kita-ku, Sapporo, 060-0812, Japan
| | - Seok-Yong Lee
- Department of Biochemistry, Duke University Medical Center, 303 Research Drive, Durham, NC, 27710, USA.
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