Author

Marie‐Eve Val

Centre National de la Recherche ScientifiqueORCID 0000-0001-7097-9072Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Microbiology· 3

Signature Assays, Organisms & Methods

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Organism:bacteria (other)· 2 Research Focus:chromatin & epigenetic regulation· 2 Research Focus:cell type annotation· 1 Research Focus:clustering· 1 Organism:E. coli· 1 Approach:experimental assay· 1 Research Focus:gene regulatory network inference· 1 Approach:genetic perturbation / CRISPR· 1

Frequent Co-Authors

Didier MazeliD· 2 shared Alfonso Soler‐BistuéiD· 1 shared Amaury BignaudiD· 1 shared Annick Berne-DedieuiD· 1 shared Bogdan Iuliu IorgaiD· 1 shared Briardo LlorenteiD· 1 shared Céline LootiD· 1 shared Christian LesterliniD· 1 shared

Activity by Year

2025-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 16 mutual co-author links

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2 shared papersMicrobiology

Didier MazelORCID

Mutual co-authors in cluster

Author profile →

3 papers

Recent·Most cited

Replication coordination marks the domestication of large extrachromosomal replicons in bacteria

Jakub Czarnecki, Morgan Lambérioux, Ole Skovgaard, Amaury Bignaud, Najwa Taïb, Théophile Niault, Jasmin Ostermayer, Pascale Bourhy, Julia Bos, Elvira Krakowska, Dariusz Bartosik, Romain Koszul, Martial Marbouty, Didier Mazel, Marie‐Eve Val

This study identifies two categories of extrachromosomal replicons in bacteria and shows that large replicons replicate in sync with the chromosome and use its replication machinery for stable inheritance.

Nature Communications · May 2, 2026Peer-reviewedMicrobiology

Evolutionary Constraints on RNA Polymerase Gene Positioning in the Genome of Fast-Growing Bacteria..

Leticia Larotonda, E. Ojeda, Noa L. Guzzi, María Belén Bordignon, Fabiana Fulgenzi, Diego J. Comerci, Briardo Llorente, Didier Mazel, Céline Loot, Marie‐Eve Val, Alfonso Soler‐Bistué

This study shows that positioning RNAP-encoding genes near the replication origin in fast-growing bacteria is essential for optimal growth and gene dosage effects.

Nucleic Acids Research · Feb 24, 2026Peer-reviewedMicrobiology

Genetic Determinants of pOXA-48 Plasmid Maintenance and Propagation in Escherichia coli

Yannick Baffert, Nathan Fraikin, Yasmine Makhloufi, Julie Baltenneck, Marie‐Eve Val, Annick Berne-Dedieu, Jonathan Degosserie, Bogdan Iuliu Iorga, Pierre Bogaerts, Erwan Gueguen, Christian Lesterlin, Sarah Bigot

This study identifies genetic elements critical for pOXA-48 plasmid stability, replication, and conjugative transfer using transposon sequencing.

Nature Communications · Aug 19, 2025Peer-reviewedMicrobiology