Cited by 836Gut microbiota and healthAntibiotic Use and ResistanceAntibiotic Resistance in Bacteria

Antibiotic use and its consequences for the normal microbiome

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Blaser, Martin J.·2016·Science

Abstract

Anti-infectives, including antibiotics, are essentially different from all other drugs; they not only affect the individual to whom they are given but also the entire community, through selection for resistance to their own action. Thus, their use resides at the intersection of personal and public health. Antibiotics can be likened to a four-edged sword against bacteria. The first two edges of the antibiotic sword were identified immediately after their discovery and deployment in that they not only benefit an individual in treating their infection but also benefit the community in preventing the spread of that infectious agent. The third edge was already recognized by Alexander Fleming in 1945 in his Nobel acceptance speech, which warned about the cost to the community of antibiotic resistance that would inevitably evolve and be selected for during clinical practice. We have seen this cost mount up, as resistance curtails or precludes the activities of some of our most effective drugs for clinically important infections. But the fourth edge of the antibiotic sword remained unappreciated until recently, i.e., the cost that an antibiotic exerts on an individual's own health via the collateral damage of the drug on bacteria that normally live on or in healthy humans: our microbiota. These organisms, their genes, metabolites, and interactions with one another, as well as with their host collectively, represent our microbiome. Our relationship with these symbiotic bacteria is especially important during the early years of life, when the adult microbiome has not yet formed.

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Authors
Blaser, M. J.
Affiliations
VA NY Harbor Healthcare System (US)
Corresponding author
Blaser, Martin J.
Venue
Science
Published
2016-04-29
Volume
352
Issue
6285
Pages
544-545
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2344149427
Cited by
836
References
15
Citations by year
2026: 52 · 2025: 73 · 2024: 84 · 2023: 81 · 2022: 106 · 2021: 110 · 2020: 84 · 2019: 80 · 2018: 78 · 2017: 64 · 2016: 24
FWCI
42.54
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • Rutgers University Community Repository (Rutgers University) (submittedVersion)
Funders
  • NIH (R01DK090989, U01AI122285)
  • Diane Belfer Program in Human Microbial Ecology
  • Knapp Family Fund
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Life Sciences › Immunology and Microbiology › Applied Microbiology and Biotechnology › Antibiotic Use and Resistance
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Antibiotic Resistance in Bacteria
Keywords
antibiotic use, gut microbiota, microbiota, antibiotic resistance, antimicrobial stewardship
MeSH terms
Anti-Bacterial Agents, Bacteria, Drug Utilization, Humans, Drug Resistance, Bacterial, Microbiota

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