Author

S. Dion

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· 3 Evolutionary Biology· 1

Signature Assays, Organisms & Methods

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Organism:E. coli· 4 Approach:statistical model· 3 Assay:whole-genome sequencing· 2 Research Focus:chromatin & epigenetic regulation· 1 Research Focus:ecology & biodiversity· 1 Approach:experimental assay· 1 Research Focus:gene regulatory network inference· 1 Approach:genetic perturbation / CRISPR· 1

Frequent Co-Authors

E. Denamur· 4 shared O. Clermont· 4 shared A. Baron· 2 shared F. Blanquart· 2 shared M. Galardini· 2 shared B. Busby· 1 shared B. Condamine· 1 shared C. Figueroa· 1 shared

Activity by Year

2020-2023 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 27 mutual co-author links

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4 shared papersMicrobiology

E. Denamur

Mutual co-authors in cluster

Author profile →

4 papers

Recent·Most cited

Residence-colonization trade-off and niche differentiation enable the coexistence of Escherichia coli phylogroups in healthy humans

T. Morel-Journel, S. Lehtinen, O. Cotto, R. Amia, S. Dion, C. Figueroa, J. Martinson, P. Ralaimazava, O. Clermont, X. Duval, F. L. Nowrouzian, S. Walk, E. Denamur, F. Blanquart

The paper identifies a residence-colonization trade-off and niche differentiation among E. coli phylogroups in healthy humans, enabling their coexistence through equalizing and stabilizing mechanisms.

bioRxiv · Aug 10, 2023 · PreprintEvolutionary Biology

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

Success of Escherichia coli O25b:H4 ST131 clade C associated with a decrease in virulence

M. Duprilot, A. Baron, F. Blanquart, S. Dion, P. Letteron, S.-C. Flament-Simon, O. Clermont, E. Denamur, M.-H. Nicolas-Chanoine

This study compares virulence and colonization abilities of antibiotic-susceptible clade B and multidrug-resistant clade C ST131 E. coli strains, finding clade C strains have reduced virulence and are outcompeted by clade B in vivo.

Infection and Immunity · Nov 16, 2020Peer-reviewedMicrobiology

Major role of iron uptake systems in the intrinsic extra-intestinal virulence of the genus Escherichia revealed by a genome-wide association study

M. Galardini, O. Clermont, A. Baron, B. Busby, S. Dion, S. Schubert, P. Beltrao, E. Denamur

This study identifies iron uptake systems, particularly the high-pathogenicity island, as key drivers of extra-intestinal virulence in Escherichia through a genome-wide association analysis in a mouse sepsis model.

bioRxiv · Apr 28, 2020Microbiology