Author

Valérie Courgnaud

Centre National de la Recherche ScientifiqueORCID 0000-0003-1000-0322Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Biochemistry· 1 Immunology· 1 Microbiology· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Research Focus:host-pathogen & immune response· 2 Organism:human· 2 Assay:bulk RNA-seq· 1 Research Focus:cell type annotation· 1 Assay:cryo-EM· 1 Research Focus:differential expression· 1 Assay:imaging· 1

Frequent Co-Authors

Karim MajzoubiD· 2 shared Nadine LaguetteiD· 2 shared Zoé DenisiD· 2 shared Antonio TrulloiD· 1 shared Arinya Apostel· 1 shared Aurélien FouilleniD· 1 shared Baobin LiiD· 1 shared Brandon Le Bon· 1 shared

Activity by Year

2025-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 25 mutual co-author links

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2 shared papersImmunology

Karim MajzoubORCID

Mutual co-authors in cluster

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3 papers

Recent·Most cited

ImmunologybioRxivPreprintJul 10, 2026

The RLR-MAVS-IRF3 axis activates the IFN pathway to restrict Tonate virus (TONV) infection

Thomas Labadie, Roger-Junior Eloiflin, Zoé Denis…·Karim Majzoub

This study identifies the RIG-I/MDA5-MAVS-IRF3 axis as the pathway sensing TONV infection and activating the IFN-I response to restrict viral replication.

DOI 10.64898/2026.07.09.737427

humanbulk RNA-seq

𝕏 PostBluesky

MicrobiologyCellPeer-reviewedMar 6, 2026

Deltaviruses spread through a viral Trojan Horse

Joe McKellar, Aurélien Fouillen, Sébastien Lyonnais…·Karim Majzoub

This study shows deltaviruses use helper virus particles as Trojan Horses for cell entry, revealing a new mode of viral transmission.

5 citationstop 1%

imagingmicroscopy & imaging analysis

𝕏 PostBluesky

BiochemistryNature CommunicationsPeer-reviewedJan 15, 2025

Structural basis of phosphate export by human XPR1

Qixian He, Ran Zhang, Sandrine Tury…·Qingfeng Chen

This study determines the cryo-EM structure of XPR1, identifies Pi-binding sites, and shows how PP-IPs regulate its activity through conformational changes.

18 citationstop 5%

humancryo-EM

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