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Browse Mutations marRR86S

GenemarR

global regulator

Protein ChangeR86S

Nucleotide ChangeG258T

Validation StatusCandidate

Databases

Reslit

Overview

Resistance To: ciprofloxacin
Papers: 1

Paper Information1

1

Resistance development in Escherichia coli to delafloxacin at pHs 6.0 and 7.3 compared to ciprofloxacin.

PMID 37882542 · 2023

MarR mutations were observed in both CIP- and DLX-challenged strains.

Mutation Information

marR: p.R86S / c.G258T

Protein Change: R86S
Nucleotide Change: G258T
Confers Resistance To: ciprofloxacin
Validation Method: complementation assay
Source Database: Reslit

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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

© 2026 ResLit. Data sourced from PubMed literature analysis.

Built for antimicrobial resistance research