Evidence map›Paper›PMID 31402316›Full record

ArticleCell chemical biology2019

Chemical Induction of Aminoglycoside Uptake Overcomes Antibiotic Tolerance and Resistance in Staphylococcus aureus.

Lauren C Radlinski, Sarah E Rowe, Robert Brzozowski, Alec D Wilkinson, Rennica Huang, Prahathees Eswara, Brian P Conlon

Open access · bronzeAbstract read
In one paragraph

Article in Cell chemical biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 63 papers.

0numbers the graph read from it
0cells of the map it votes in
63citing papers in PubMed
6.4field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

63 citing papers in PubMed, 106 citations in OpenAlex.

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  16. Bacterial persisters: molecular mechanisms and therapeutic development.Signal transduction and targeted therapy · 2024
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3 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 3 institutions in 1 country.

Lauren C RadlinskiDepartment of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
Sarah E RoweDepartment of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
Robert BrzozowskiDepartment of Cell Biology, Microbiology and Molecular Biology, University of South Florida, Tampa, FL 33620, USA.
Alec D WilkinsonDepartment of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
Rennica HuangDepartment of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
Prahathees EswaraDepartment of Cell Biology, Microbiology and Molecular Biology, University of South Florida, Tampa, FL 33620, USA.
Brian P ConlonDepartment of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Marsico Lung Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA. Electronic address: bconlon@med.unc.edu.
University of North Carolina at Chapel Hill · USUniversity of South Florida · USLung Institute · US

Funding

Division site determination in Gram-positive bacteriaR35GM133617 · NIGMS · UNIVERSITY OF SOUTH FLORIDA · PI ESWARA, PRAHATHEES JAI · 2019 to 2023
$2.3M
Antibiotic activities against S. aureus during P. aeruginosa co-infectionR01AI137273 · NIAID · UNIV OF NORTH CAROLINA CHAPEL HILL · PI CONLON, BRIAN PATRICK · 2018 to 2022
$2.0M
Self-assembly of 2D metallo-supramolecules as a novel class of antimicrobial biomaterials via forming transmembrane channelsR01GM128037 · NIGMS · UNIVERSITY OF SOUTH FLORIDA · PI CAI, JIANFENG · 2018 to 2021
$1.1M
Investigating S. aureus persister formation under physiological conditionsK22AI125501 · NIAID · UNIV OF NORTH CAROLINA CHAPEL HILL · PI CONLON, BRIAN PATRICK · 2017 to 2018
$269k
INTERSPECIES INTERACTION AND ANTIBIOTIC EFFICACY AGAINST STAPHYLOCOCCUS AUREUSF31AI140520 · NIAID · UNIV OF NORTH CAROLINA CHAPEL HILL · PI RADLINSKI, LAUREN CHRISTINE · 2018 to 2019
$58k
NIAID NIH HHS F31 AI140520NIAID NIH HHS K22 AI125501NIAID NIH HHS R01 AI137273NIGMS NIH HHS R01 GM128037NIGMS NIH HHS R35 GM133617
6 · The paper itself

Abstract

Aminoglycoside antibiotics require proton motive force (PMF) for bacterial internalization. In non-respiring populations, PMF drops below the level required for drug influx, limiting the utility of aminoglycosides against strict and facultative anaerobes. We recently demonstrated that rhamnolipids (RLs), biosurfactant molecules produced by Pseudomonas aeruginosa, potentiate aminoglycoside activity against Staphylococcus aureus. Here, we demonstrate that RLs induce PMF-independent aminoglycoside uptake to restore sensitivity to otherwise tolerant persister, biofilm, small colony variant, and anaerobic populations of S. aureus. Furthermore, we show that this approach represses the rise of resistance, restores sensitivity to highly resistant clinical isolates, and is effective against other Gram-positive pathogens. Finally, while other membrane-acting agents can synergize with aminoglycosides, induction of PMF-independent uptake is uncommon, and distinct to RLs among several compounds tested. In all, small-molecule induction of PMF-independent aminoglycoside uptake circumvents phenotypic tolerance, overcomes genotypic resistance, and expands the utility of aminoglycosides against intrinsically recalcitrant bacterial populations.

Indexed as

AminoglycosidesAnimalsAnti-Bacterial AgentsCell LineDrug Resistance, BacterialDrug ToleranceMiceMicrobial Sensitivity TestsStaphylococcus aureusAminoglycosidesAnti-Bacterial AgentsaminoglycosidesantibioticsbiofilmpersistersresistancerhamnolipidsStaphylococcus aureustolerance

Identifiers

PMID31402316
PMCPMC6800641
OpenAlexW2968018494

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.