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International Journal of Antimicrobial Agents
Article . 2024 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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DIGITAL.CSIC
Article . 2024 . Peer-reviewed
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Role of the phosphotransferase system in the transport of fosfomycin in Escherichia coli

Authors: Teresa Gil-Gil; José Luis Martínez;

Role of the phosphotransferase system in the transport of fosfomycin in Escherichia coli

Abstract

The inducible inner membrane transporters, UhpT and GlpT are considered to be unique fosfomycin transporters. Glucose-6-phosphate, the substrate for UhpT, enhances fosfomycin activity. Previous work indicates that the fructose phosphotransferase system (PTS) might be involved in fosfomycin transport in the bacterial species, Stenotrophomonas maltophilia. Fosfomycin transport in Escherichia coli has been extensively studied and characterised. The current paper addresses the potential fosfomycin transport activity of the fructose PTS in E. coli. Notably, the deletion of both fructose-specific and general PTS proteins in E. coli increases fosfomycin resistance, which indicates that fructose PTS is involved in fosfomycin transport in E. coli. Further, although inactivation of UhpT, the canonical fosfomycin transporter, in E. coli increases fosfomycin resistance by 2-fold, inactivation of genes encoding the PTS increases it by up to 256-fold. Moreover, intracellular accumulation declines in the absence of both transporters, being mutations in the PTS associated with a larger decline. The results presented in this paper re-open the study of fosfomycin transport and reveal the role of the PTS in the transport of this bactericidal antibiotic in E. coli.

Country
Spain
Keywords

Fosfomycin, Escherichia coli Proteins, Antibiotic transport, Escherichia coli, Membrane Transport Proteins, Fructose, http://metadata.un.org/sdg/3, Protein Kinases, Ensure healthy lives and promote well-being for all at all ages, Anti-Bacterial Agents

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
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5
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20
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