Fitness Trade-Offs between Phage and Antibiotic Sensitivity in Phage-Resistant Variants: Molecular Action and Insights into Clinical Applications for Phage Therapy
In recent decades, phage therapy has been overshadowed by the widespread use of antibiotics in Western countries. However, it has been revitalized as a powerful approach due to the increasing prevalence of antimicrobial-resistant bacteria. Although bacterial resistance to phages has been reported in...
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MDPI AG
2023-10-01
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author | Jumpei Fujiki Keisuke Nakamura Tomohiro Nakamura Hidetomo Iwano |
author_facet | Jumpei Fujiki Keisuke Nakamura Tomohiro Nakamura Hidetomo Iwano |
author_sort | Jumpei Fujiki |
collection | DOAJ |
description | In recent decades, phage therapy has been overshadowed by the widespread use of antibiotics in Western countries. However, it has been revitalized as a powerful approach due to the increasing prevalence of antimicrobial-resistant bacteria. Although bacterial resistance to phages has been reported in clinical cases, recent studies on the fitness trade-offs between phage and antibiotic resistance have revealed new avenues in the field of phage therapy. This strategy aims to restore the antibiotic susceptibility of antimicrobial-resistant bacteria, even if phage-resistant variants develop. Here, we summarize the basic virological properties of phages and their applications within the context of antimicrobial resistance. In addition, we review the occurrence of phage resistance in clinical cases, and examine fitness trade-offs between phage and antibiotic sensitivity, exploring the potential of an evolutionary fitness cost as a countermeasure against phage resistance in therapy. Finally, we discuss future strategies and directions for phage-based therapy from the aspect of fitness trade-offs. This approach is expected to provide robust options when combined with antibiotics in this era of phage ‘re’-discovery. |
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issn | 1661-6596 1422-0067 |
language | English |
last_indexed | 2024-03-11T11:28:32Z |
publishDate | 2023-10-01 |
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series | International Journal of Molecular Sciences |
spelling | doaj.art-363d0bf96c4d410cb3ac9e2bf954adf52023-11-10T15:04:41ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672023-10-0124211562810.3390/ijms242115628Fitness Trade-Offs between Phage and Antibiotic Sensitivity in Phage-Resistant Variants: Molecular Action and Insights into Clinical Applications for Phage TherapyJumpei Fujiki0Keisuke Nakamura1Tomohiro Nakamura2Hidetomo Iwano3Laboratory of Veterinary Biochemistry, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu 069-8501, JapanLaboratory of Veterinary Biochemistry, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu 069-8501, JapanLaboratory of Veterinary Biochemistry, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu 069-8501, JapanLaboratory of Veterinary Biochemistry, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu 069-8501, JapanIn recent decades, phage therapy has been overshadowed by the widespread use of antibiotics in Western countries. However, it has been revitalized as a powerful approach due to the increasing prevalence of antimicrobial-resistant bacteria. Although bacterial resistance to phages has been reported in clinical cases, recent studies on the fitness trade-offs between phage and antibiotic resistance have revealed new avenues in the field of phage therapy. This strategy aims to restore the antibiotic susceptibility of antimicrobial-resistant bacteria, even if phage-resistant variants develop. Here, we summarize the basic virological properties of phages and their applications within the context of antimicrobial resistance. In addition, we review the occurrence of phage resistance in clinical cases, and examine fitness trade-offs between phage and antibiotic sensitivity, exploring the potential of an evolutionary fitness cost as a countermeasure against phage resistance in therapy. Finally, we discuss future strategies and directions for phage-based therapy from the aspect of fitness trade-offs. This approach is expected to provide robust options when combined with antibiotics in this era of phage ‘re’-discovery.https://www.mdpi.com/1422-0067/24/21/15628bacteriophageantimicrobial resistance (AMR)fitness costphage cocktailengineered phageinfectious disease |
spellingShingle | Jumpei Fujiki Keisuke Nakamura Tomohiro Nakamura Hidetomo Iwano Fitness Trade-Offs between Phage and Antibiotic Sensitivity in Phage-Resistant Variants: Molecular Action and Insights into Clinical Applications for Phage Therapy International Journal of Molecular Sciences bacteriophage antimicrobial resistance (AMR) fitness cost phage cocktail engineered phage infectious disease |
title | Fitness Trade-Offs between Phage and Antibiotic Sensitivity in Phage-Resistant Variants: Molecular Action and Insights into Clinical Applications for Phage Therapy |
title_full | Fitness Trade-Offs between Phage and Antibiotic Sensitivity in Phage-Resistant Variants: Molecular Action and Insights into Clinical Applications for Phage Therapy |
title_fullStr | Fitness Trade-Offs between Phage and Antibiotic Sensitivity in Phage-Resistant Variants: Molecular Action and Insights into Clinical Applications for Phage Therapy |
title_full_unstemmed | Fitness Trade-Offs between Phage and Antibiotic Sensitivity in Phage-Resistant Variants: Molecular Action and Insights into Clinical Applications for Phage Therapy |
title_short | Fitness Trade-Offs between Phage and Antibiotic Sensitivity in Phage-Resistant Variants: Molecular Action and Insights into Clinical Applications for Phage Therapy |
title_sort | fitness trade offs between phage and antibiotic sensitivity in phage resistant variants molecular action and insights into clinical applications for phage therapy |
topic | bacteriophage antimicrobial resistance (AMR) fitness cost phage cocktail engineered phage infectious disease |
url | https://www.mdpi.com/1422-0067/24/21/15628 |
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