Author

G. Royer

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Microbiology· 5

Signature Assays, Organisms & Methods

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Organism:E. coli· 4 Approach:statistical model· 4 Assay:whole-genome sequencing· 4 Research Focus:gene regulatory network inference· 3 Research Focus:differential expression· 2 Organism:bacteria (other)· 1 Research Focus:benchmarking· 1 Research Focus:chromatin & epigenetic regulation· 1

Frequent Co-Authors

E. Denamur· 4 shared O. Clermont· 4 shared B. Condamine· 3 shared F. Blanquart· 2 shared M. Galardini· 2 shared A. Bernheim· 1 shared A. Bezzarga· 1 shared A. Brunner· 1 shared

Activity by Year

2020-2024 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 26 mutual co-author links

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4 shared papersMicrobiology

E. Denamur

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Author profile →

5 papers

Recent·Most cited

Strain intrinsic properties and environmental constraints together shape Escherichia coli dynamics and diversity over a twenty-year human gut time series

B. Condamine, T. Morel-Journel, F. Tesson, G. Royer, M. Magnan, A. Bernheim, E. Denamur, F. Blanquart, O. Clermont

This study tracks E. coli dynamics in a human gut over 20 years, showing how strain properties and environmental factors influence diversity and persistence.

bioRxiv · Feb 21, 2024 · PreprintMicrobiology

The bacterial genetic determinants of Escherichia coli capacity to cause bloodstream infections in humans

J. Burgaya, J. Marin, G. Royer, B. Condamine, B. Gachet, O. Clermont, F. Jaureguy, C. Burdet, A. Lefort, V. de Lastours, E. Denamur, M. Galardini, F. Blanquart, The Colibafi/Septicoli Group, The COLIVILLE Group

This study identifies genetic determinants of Escherichia coli's ability to cause bloodstream infections using genomic and machine learning analyses of clinical isolates.

bioRxiv · Dec 31, 2022 · PreprintMicrobiology

High pathogenicity island, aer and sit operons: a "menage a trois" in Escherichia coli extra-intestinal virulence

G. Royer, O. Clermont, B. Condamine, S. Dion, M. Galardini, E. Denamur

The paper shows that virulence in E. coli depends on the presence of the HPI, aer, and sit operons, with their co-occurrence and genomic location shaped by strain phylogeny.

bioRxiv · Nov 25, 2022 · PreprintMicrobiology

Chlorhexidine reduced susceptibility associated to tetracycline resistance in clinical isolates of Escherichia coli

G. ROYER, J.-M. Ortiz de la Rosa, X. Vuillemin, B. Lacombe, F. Chau, O. Clermont, M. Mercier-Darty, J.-W. Decousser, J.-D. Ricard, P. Nordmann, E. Denamur, L. Poirel

The paper identifies two distinct mechanisms of chlorhexidine resistance in E. coli: mlaA mutations in vitro and tetA efflux pumps in clinical isolates.

bioRxiv · Oct 5, 2021 · PreprintMicrobiology

The first AI-based mobile application for antibiotic resistance testing

M. Pascucci, G. Royer, J. Adamek, D. Aristizabal, A. Bezzarga, L. Blanche, G. Boniface-Chang, A. Brunner, C. Curel, G. Dulac-Arnold, N. Malou, C. Nordon, V. Runge, F. Samson, E. Sebastian, , M.-A. Madoui

This paper introduces an AI-based smartphone app for antibiotic resistance testing that achieves high accuracy and reduces inter-operator variability in resource-limited settings.

bioRxiv · Jul 23, 2020 · PreprintMicrobiology