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© 2026 ResLit. Data sourced from PubMed literature analysis.

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Browse Mutations mexRQ55P

GenemexR

intergenic region near efflux pump regulator

Protein ChangeQ55P

Validation StatusCandidate

Databases

Reslit

Overview

Mechanism: increased MexAB efflux pump genes expression by altering MexR’s binding capacity
Resistance To: Meropenem
Organisms: Pseudomonas aeruginosa
Papers: 1

Paper Information1

1

High level non-carbapenemase carbapenem resistance by overlaying mutations of mexR, oprD, and ftsI in Pseudomonas aeruginosa.

PMID 39555917 · 2025

Mutation Information

Protein Change: Q55P
Organisms: Pseudomonas aeruginosa
Confers Resistance To: Meropenem

ResLit

A curated database of antimicrobial resistance genes and mutations extracted from scientific literature.

Browse

AMR Genes
AMR Mutations

Resources

About ResLit
Collaborators
PubMed
NCBI Pathogens
UniProt
CARD
ResFinder DB
PointFinder DB
AMR Rules

Curators

Curator Login
Dashboard

Effect on Function

increased MexAB efflux pump genes expression by altering MexR’s binding capacity

Source Database

Reslit

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© 2026 ResLit. Data sourced from PubMed literature analysis.

Built for antimicrobial resistance research