Cited by 466Evolution and Genetic DynamicsAntibiotic Resistance in BacteriaBacterial Genetics and Biotechnology

Evolution of high-level resistance during low-level antibiotic exposure

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Wistrand-Yuen, Erik, Knopp, Michael, Hjort, Karin, Koskiniemi, Sanna, Berg, Otto G., Andersson, Dan I.·2018·Nature Communications

Abstract

It has become increasingly clear that low levels of antibiotics present in many environments can select for resistant bacteria, yet the evolutionary pathways for resistance development during exposure to low amounts of antibiotics remain poorly defined. Here we show that Salmonella enterica exposed to sub-MIC levels of streptomycin evolved high-level resistance via novel mechanisms that are different from those observed during lethal selections. During lethal selection only rpsL mutations are found, whereas at sub-MIC selection resistance is generated by several small-effect resistance mutations that combined confer high-level resistance via three different mechanisms: (i) alteration of the ribosomal RNA target ( gidB mutations), (ii) reduction in aminoglycoside uptake ( cyoB , nuoG , and trkH mutations), and (iii) induction of the aminoglycoside-modifying enzyme AadA ( znuA mutations). These results demonstrate how the strength of the selective pressure influences evolutionary trajectories and that even weak selective pressures can cause evolution of high-level resistance.

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  • An important consideration with sustained release systems is the potential for prolonged exposure to sub-therapeutic concentrations, which may lead to drug resistance.

    “An important consideration with sustained release systems is the potential for prolonged exposure to sub-therapeutic concentrations, which may lead to drug resistance 19 .”

    From Nanotechnology approaches for global infectious diseases (2021) · cites this paper as [19]

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Authors
Wistrand-Yuen, E., Knopp, M., Hjort, K., Koskiniemi, S., Berg, O. G., & Andersson, D. I.
Affiliations
Uppsala University (SE)
Corresponding author
Andersson, Dan I.
Venue
Nature Communications
Published
2018-04-23
Volume
9
Issue
1
Pages
1599-1599
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2799295634
Cited by
466
References
64
Citations by year
2026: 54 · 2025: 55 · 2024: 58 · 2023: 64 · 2022: 55 · 2021: 62 · 2020: 68 · 2019: 39 · 2018: 9 · 2017: 1
FWCI
26.85
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Uppsala University Publications (Uppsala University) (submittedVersion, other-oa)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Svenska Forskningsrådet Formas
  • Vetenskapsrådet
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Antibiotic Resistance in Bacteria
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
Keywords
antibiotic resistance evolution, Salmonella enterica, streptomycin resistance, rpsL mutations, aminoglycoside uptake
MeSH terms
Whole Genome Sequencing, Anti-Bacterial Agents, Bacterial Proteins, Dose-Response Relationship, Drug, Microbial Sensitivity Tests, Models, Genetic, Mutation, Ribosomal Proteins, Selection, Genetic, Streptomycin, Genome, Bacterial, Evolution, Molecular, Salmonella enterica, Drug Resistance, Bacterial

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