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Maeda T, Furusawa C. Laboratory Evolution of Antimicrobial Resistance in Bacteria to Develop Rational Treatment Strategies. Antibiotics (Basel) 2024; 13:94. [PMID: 38247653 PMCID: PMC10812413 DOI: 10.3390/antibiotics13010094] [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: 12/25/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 01/23/2024] Open
Abstract
Laboratory evolution studies, particularly with Escherichia coli, have yielded invaluable insights into the mechanisms of antimicrobial resistance (AMR). Recent investigations have illuminated that, with repetitive antibiotic exposures, bacterial populations will adapt and eventually become tolerant and resistant to the drugs. Through intensive analyses, these inquiries have unveiled instances of convergent evolution across diverse antibiotics, the pleiotropic effects of resistance mutations, and the role played by loss-of-function mutations in the evolutionary landscape. Moreover, a quantitative analysis of multidrug combinations has shed light on collateral sensitivity, revealing specific drug combinations capable of suppressing the acquisition of resistance. This review article introduces the methodologies employed in the laboratory evolution of AMR in bacteria and presents recent discoveries concerning AMR mechanisms derived from laboratory evolution. Additionally, the review outlines the application of laboratory evolution in endeavors to formulate rational treatment strategies.
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Affiliation(s)
- Tomoya Maeda
- Laboratory of Microbial Physiology, Research Faculty of Agriculture, Hokkaido University, Kita 9, Nishi 9, Kita-ku, Sapporo 060-8589, Japan
- Center for Biosystems Dynamics Research, RIKEN, 6-2-3 Furuedai, Suita 565-0874, Japan;
| | - Chikara Furusawa
- Center for Biosystems Dynamics Research, RIKEN, 6-2-3 Furuedai, Suita 565-0874, Japan;
- Universal Biology Institute, The University of Tokyo, 7-3-1 Hongo, Tokyo 113-0033, Japan
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Melnikov SV, Stevens DL, Fu X, Kwok HS, Zhang JT, Shen Y, Sabina J, Lee K, Lee H, Söll D. Exploiting evolutionary trade-offs for posttreatment management of drug-resistant populations. Proc Natl Acad Sci U S A 2020; 117:17924-17931. [PMID: 32661175 PMCID: PMC7395499 DOI: 10.1073/pnas.2003132117] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Antibiotic resistance frequently evolves through fitness trade-offs in which the genetic alterations that confer resistance to a drug can also cause growth defects in resistant cells. Here, through experimental evolution in a microfluidics-based turbidostat, we demonstrate that antibiotic-resistant cells can be efficiently inhibited by amplifying the fitness costs associated with drug-resistance evolution. Using tavaborole-resistant Escherichia coli as a model, we show that genetic mutations in leucyl-tRNA synthetase (that underlie tavaborole resistance) make resistant cells intolerant to norvaline, a chemical analog of leucine that is mistakenly used by tavaborole-resistant cells for protein synthesis. We then show that tavaborole-sensitive cells quickly outcompete tavaborole-resistant cells in the presence of norvaline due to the amplified cost of the molecular defect of tavaborole resistance. This finding illustrates that understanding molecular mechanisms of drug resistance allows us to effectively amplify even small evolutionary vulnerabilities of resistant cells to potentially enhance or enable adaptive therapies by accelerating posttreatment competition between resistant and susceptible cells.
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Affiliation(s)
- Sergey V Melnikov
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06520;
| | - David L Stevens
- Department of Chemistry, Yale University, New Haven, CT 06520
| | - Xian Fu
- Guangdong Provincial Key Laboratory of Genome Read and Write, 518120 Shenzhen, China
- BGI-Shenzhen, 518083 Shenzhen, China
- China National Genebank, BGI-Shenzhen, 518120 Shenzhen, China
| | - Hui Si Kwok
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06520
| | - Jin-Tao Zhang
- BGI-Shenzhen, 518083 Shenzhen, China
- China National Genebank, BGI-Shenzhen, 518120 Shenzhen, China
| | - Yue Shen
- Guangdong Provincial Key Laboratory of Genome Read and Write, 518120 Shenzhen, China
- BGI-Shenzhen, 518083 Shenzhen, China
- China National Genebank, BGI-Shenzhen, 518120 Shenzhen, China
| | | | | | | | - Dieter Söll
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06520;
- Department of Chemistry, Yale University, New Haven, CT 06520
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Antibiotics in the clinical pipeline in October 2019. J Antibiot (Tokyo) 2020; 73:329-364. [PMID: 32152527 PMCID: PMC7223789 DOI: 10.1038/s41429-020-0291-8] [Citation(s) in RCA: 167] [Impact Index Per Article: 41.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/30/2020] [Accepted: 01/30/2020] [Indexed: 12/27/2022]
Abstract
The development of new and effective antibacterial drugs to treat multi-drug resistant (MDR) bacteria, especially Gram-negative (G−ve) pathogens, is acknowledged as one of the world’s most pressing health issues; however, the discovery and development of new, nontoxic antibacterials is not a straightforward scientific task, which is compounded by a challenging economic model. This review lists the antibacterials, β-lactamase/β-lactam inhibitor (BLI) combinations, and monoclonal antibodies (mAbs) first launched around the world since 2009 and details the seven new antibiotics and two new β-lactam/BLI combinations launched since 2016. The development status, mode of action, spectra of activity, lead source, and administration route for the 44 small molecule antibacterials, eight β-lactamase/BLI combinations, and one antibody drug conjugate (ADC) being evaluated in worldwide clinical trials at the end of October 2019 are described. Compounds discontinued from clinical development since 2016 and new antibacterial pharmacophores are also reviewed. There has been an increase in the number of early stage clinical candidates, which has been fueled by antibiotic-focused funding agencies; however, there is still a significant gap in the pipeline for the development of new antibacterials with activity against β-metallolactamases, orally administered with broad spectrum G−ve activity, and new treatments for MDR Acinetobacter and gonorrhea.
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Charlton MH, Aleksis R, Saint-Leger A, Gupta A, Loza E, Ribas de Pouplana L, Kaula I, Gustina D, Madre M, Lola D, Jaudzems K, Edmund G, Randall CP, Kime L, O’Neill AJ, Goessens W, Jirgensons A, Finn PW. N-Leucinyl Benzenesulfonamides as Structurally Simplified Leucyl-tRNA Synthetase Inhibitors. ACS Med Chem Lett 2018; 9:84-88. [PMID: 29456792 DOI: 10.1021/acsmedchemlett.7b00374] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Accepted: 01/18/2018] [Indexed: 12/12/2022] Open
Abstract
N-Leucinyl benzenesulfonamides have been discovered as a novel class of potent inhibitors of E. coli leucyl-tRNA synthetase. The binding of inhibitors to the enzyme was measured by using isothermal titration calorimetry. This provided information on enthalpy and entropy contributions to binding, which, together with docking studies, were used for structure-activity relationship analysis. Enzymatic assays revealed that N-leucinyl benzenesulfonamides display remarkable selectivity for E. coli leucyl-tRNA synthetase compared to S. aureus and human orthologues. The simplest analogue of the series, N-leucinyl benzenesulfonamide (R = H), showed the highest affinity against E. coli leucyl-tRNA synthetase and also exhibited antibacterial activity against Gram-negative pathogens (the best MIC = 8 μg/mL, E. coli ATCC 25922), which renders it as a promising template for antibacterial drug discovery.
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Affiliation(s)
- Michael H. Charlton
- Oxford Drug Design Ltd., Oxford Centre for Innovation, New Road, Oxford, OX1 1BY. U.K
| | - Rihards Aleksis
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Adélaïde Saint-Leger
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Catalonia, Spain
- ICREA, Pg. Lluís Company 23, 08010 Barcelona, Catalonia, Spain
| | - Arya Gupta
- Antimicrobial
Research Centre and School of Molecular and Cellular Biology, Faculty
of Biological Sciences, University of Leeds, Leeds, LS2 9JT, U.K
| | - Einars Loza
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Lluís Ribas de Pouplana
- Institute for Research in Biomedicine (IRB Barcelona), The Barcelona Institute of Science and Technology, Baldiri Reixac, 10, 08028 Barcelona, Catalonia, Spain
- ICREA, Pg. Lluís Company 23, 08010 Barcelona, Catalonia, Spain
| | - Ilze Kaula
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Daina Gustina
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Marina Madre
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Daina Lola
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Kristaps Jaudzems
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Grace Edmund
- Oxford Drug Design Ltd., Oxford Centre for Innovation, New Road, Oxford, OX1 1BY. U.K
| | - Christopher P. Randall
- Antimicrobial
Research Centre and School of Molecular and Cellular Biology, Faculty
of Biological Sciences, University of Leeds, Leeds, LS2 9JT, U.K
| | - Louise Kime
- Antimicrobial
Research Centre and School of Molecular and Cellular Biology, Faculty
of Biological Sciences, University of Leeds, Leeds, LS2 9JT, U.K
| | - Alex J. O’Neill
- Antimicrobial
Research Centre and School of Molecular and Cellular Biology, Faculty
of Biological Sciences, University of Leeds, Leeds, LS2 9JT, U.K
| | - Wil Goessens
- Erasmus University Medical Center Rotterdam, Department
of Medical Microbiology and Infectious Diseases, Wytemaweg 80, 3015 CN, Rotterdam, The Netherlands
| | - Aigars Jirgensons
- Latvian Institute of Organic Synthesis, Aizkraukles 21, Riga LV-1006, Latvia
| | - Paul W. Finn
- Oxford Drug Design Ltd., Oxford Centre for Innovation, New Road, Oxford, OX1 1BY. U.K
- Department
of Applied Computing, University of Buckingham, Hunter Street, Buckingham, MK18 1EG, U.K
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Targeting Multiple Aminoacyl-tRNA Synthetases Overcomes the Resistance Liabilities Associated with Antibacterial Inhibitors Acting on a Single Such Enzyme. Antimicrob Agents Chemother 2016; 60:6359-61. [PMID: 27431224 DOI: 10.1128/aac.00674-16] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2016] [Accepted: 07/12/2016] [Indexed: 01/28/2023] Open
Abstract
Bacterial aminoacyl-tRNA synthetases (aaRSs) represent promising antibacterial drug targets. Unfortunately, the aaRS inhibitors that have to date reached clinical trials are subject to rapid resistance development through mutation, a phenomenon that limits their potential clinical utility. Here, we confirm the intuitively correct idea that simultaneous targeting of two different aaRS enzymes prevents the emergence of spontaneous bacterial resistance at high frequency, a finding that supports the development of multitargeted anti-aaRS therapies.
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