Author

Béatrice Roche

Centre National de la Recherche ScientifiqueORCID 0000-0002-9007-7014Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Microbiology· 1

Signature Assays, Organisms & Methods

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Organism:bacteria (other)· 1 Research Focus:cell signaling & trafficking· 1 Approach:experimental assay· 1 Research Focus:host-pathogen & immune response· 1 Assay:proteomics· 1

Frequent Co-Authors

Ahmad SabbahiD· 1 shared Antoine SchrammiD· 1 shared Benoît MarteyniD· 1 shared Charlotte E. ChongiD· 1 shared Eric EnnifariD· 1 shared Jérémy FraeringiD· 1 shared Johana ChicheriD· 1 shared Julie MaucoteliD· 1 shared

Activity by Year

2026-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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1 shared paperMicrobiology

Ahmad SabbahORCID

Mutual co-authors in cluster

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1 paper

Recent·Most cited

SigA forms amyloid fibrils and supports the competition of Shigella with the microbiota

Ahmad Sabbah, Julie Maucotel, Béatrice Roche, Mathieu Erhardt, Lorine Debande, Charlotte E. Chong, Antoine Schramm, Jérémy Fraering, Johana Chicher, Eric Ennifar, Kate S. Baker, Benoît Marteyn

This study shows SigA forms amyloid fibrils that help Shigella sonnei compete with the microbiota by forming complexes with colicin E1 that have antimicrobial activity.

bioRxiv · Jul 10, 2026 · PreprintMicrobiology