Author

Patrick H. Viollier

University of GenevaORCID 0000-0002-5249-9910Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Microbiology· 2 Cell Biology· 1

Signature Assays, Organisms & Methods

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Research Focus:cell type annotation· 2 Approach:experimental assay· 2 Research Focus:gene regulatory network inference· 2 Approach:statistical model· 2 Organism:bacteria (other)· 1 Assay:bulk RNA-seq· 1 Assay:ChIP-seq· 1 Research Focus:chromatin & epigenetic regulation· 1

Frequent Co-Authors

Gaël PanisiD· 2 shared Adeline PageiD· 1 shared Allison J. LopatkiniD· 1 shared Ana PargaiD· 1 shared Annick Berne-DedieuiD· 1 shared Caleb M. AndersoniD· 1 shared Casandra Ai Zhu TaniD· 1 shared Chloé VirolleiD· 1 shared

Activity by Year

2025-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 24 mutual co-author links

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2 shared papersMicrobiology

Gaël PanisORCID

Mutual co-authors in cluster

Author profile →

3 papers

Recent·Most cited

Plasmid-encoded host reprogramming promotes plasmid dissemination

Chloé Virolle, Sibylle Ferrarin, Gaël Panis, Yannick Baffert, Annick Berne-Dedieu, Jérémy Guérin, Julien Cayron, Daouda A. K. Traoré, Sofía Martínez‐Absalón, Rania Zenati, Frédéric Delolme, Adeline Page, Sarah Bigot, Yoshiharu Yamaichi, Allison J. Lopatkin, , Christian Lesterlin

The paper identifies YfjB as a host reprogramming factor that enables plasmid dissemination by altering host transcription and metabolism.

bioRxiv · Jul 7, 2026 · PreprintMicrobiology

Enterococcus faecalis alters antibiotic susceptibility in Pseudomonas aeruginosa mixed species biofilms.

Caleb M. Anderson, Yves Mattenberger, Ana Parga, Heïdi Portalier, Casandra Ai Zhu Tan, Maria Esteban Henao, Patrick H. Viollier, Kimberly A. Kline

This study shows that Enterococcus faecalis increases antibiotic resistance in Pseudomonas aeruginosa within iron-limited biofilms by inducing specific transcriptional changes.

Journal of Bacteriology · Apr 30, 2026Peer-reviewedMicrobiology

Electron Cryo-Tomography Reveals the Caulobacter vibrioidesTight Adherence Pilus Architecture

Stefano Maggi, Rachel Rosenzweig, Gaël Panis, Patrick H. Viollier, Grant J. Jensen

The paper uses electron cryo-tomography to determine the architecture of the Tad pilus in Caulobacter vibrioides and proposes an assembly model.

bioRxiv · Nov 6, 2025 · PreprintCell Biology