Returning to Nature for the Next Generation of Antimicrobial Therapeutics

Antibiotics found in and inspired by nature are life-saving cures for bacterial infections and have enabled modern medicine. However, the rise in resistance necessitates the discovery and development of novel antibiotics and alternative treatment strategies to prevent the return to a pre-antibiotic...

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Main Authors: Craig R. MacNair, Caressa N. Tsai, Steven T. Rutherford, Man-Wah Tan
Format: Article
Language:English
Published: MDPI AG 2023-08-01
Series:Antibiotics
Subjects:
Online Access:https://www.mdpi.com/2079-6382/12/8/1267
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author Craig R. MacNair
Caressa N. Tsai
Steven T. Rutherford
Man-Wah Tan
author_facet Craig R. MacNair
Caressa N. Tsai
Steven T. Rutherford
Man-Wah Tan
author_sort Craig R. MacNair
collection DOAJ
description Antibiotics found in and inspired by nature are life-saving cures for bacterial infections and have enabled modern medicine. However, the rise in resistance necessitates the discovery and development of novel antibiotics and alternative treatment strategies to prevent the return to a pre-antibiotic era. Once again, nature can serve as a source for new therapies in the form of natural product antibiotics and microbiota-based therapies. Screening of soil bacteria, particularly actinomycetes, identified most of the antibiotics used in the clinic today, but the rediscovery of existing molecules prompted a shift away from natural product discovery. Next-generation sequencing technologies and bioinformatics advances have revealed the untapped metabolic potential harbored within the genomes of environmental microbes. In this review, we first highlight current strategies for mining this untapped chemical space, including approaches to activate silent biosynthetic gene clusters and in situ culturing methods. Next, we describe how using live microbes in microbiota-based therapies can simultaneously leverage many of the diverse antimicrobial mechanisms found in nature to treat disease and the impressive efficacy of fecal microbiome transplantation and bacterial consortia on infection. Nature-provided antibiotics are some of the most important drugs in human history, and new technologies and approaches show that nature will continue to offer valuable inspiration for the next generation of antibacterial therapeutics.
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spelling doaj.art-3937ff08f20f4da0a9f24ae247d3eef92023-11-18T23:59:14ZengMDPI AGAntibiotics2079-63822023-08-01128126710.3390/antibiotics12081267Returning to Nature for the Next Generation of Antimicrobial TherapeuticsCraig R. MacNair0Caressa N. Tsai1Steven T. Rutherford2Man-Wah Tan3Department of Infectious Diseases, Genentech Inc., South San Francisco, CA 94080, USASchool of Law, University of California, Berkeley, Berkeley, CA 94704, USADepartment of Infectious Diseases, Genentech Inc., South San Francisco, CA 94080, USADepartment of Infectious Diseases, Genentech Inc., South San Francisco, CA 94080, USAAntibiotics found in and inspired by nature are life-saving cures for bacterial infections and have enabled modern medicine. However, the rise in resistance necessitates the discovery and development of novel antibiotics and alternative treatment strategies to prevent the return to a pre-antibiotic era. Once again, nature can serve as a source for new therapies in the form of natural product antibiotics and microbiota-based therapies. Screening of soil bacteria, particularly actinomycetes, identified most of the antibiotics used in the clinic today, but the rediscovery of existing molecules prompted a shift away from natural product discovery. Next-generation sequencing technologies and bioinformatics advances have revealed the untapped metabolic potential harbored within the genomes of environmental microbes. In this review, we first highlight current strategies for mining this untapped chemical space, including approaches to activate silent biosynthetic gene clusters and in situ culturing methods. Next, we describe how using live microbes in microbiota-based therapies can simultaneously leverage many of the diverse antimicrobial mechanisms found in nature to treat disease and the impressive efficacy of fecal microbiome transplantation and bacterial consortia on infection. Nature-provided antibiotics are some of the most important drugs in human history, and new technologies and approaches show that nature will continue to offer valuable inspiration for the next generation of antibacterial therapeutics.https://www.mdpi.com/2079-6382/12/8/1267antibiotic resistancenatural product drug discoverycolonization resistancemicrobiota-based therapeutics
spellingShingle Craig R. MacNair
Caressa N. Tsai
Steven T. Rutherford
Man-Wah Tan
Returning to Nature for the Next Generation of Antimicrobial Therapeutics
Antibiotics
antibiotic resistance
natural product drug discovery
colonization resistance
microbiota-based therapeutics
title Returning to Nature for the Next Generation of Antimicrobial Therapeutics
title_full Returning to Nature for the Next Generation of Antimicrobial Therapeutics
title_fullStr Returning to Nature for the Next Generation of Antimicrobial Therapeutics
title_full_unstemmed Returning to Nature for the Next Generation of Antimicrobial Therapeutics
title_short Returning to Nature for the Next Generation of Antimicrobial Therapeutics
title_sort returning to nature for the next generation of antimicrobial therapeutics
topic antibiotic resistance
natural product drug discovery
colonization resistance
microbiota-based therapeutics
url https://www.mdpi.com/2079-6382/12/8/1267
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