Author

Hamida Laroussi

Centre National de la Recherche Scientifique

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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Molecular Biology· 2 Genetics· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 3 Assay:ChIP-seq· 2 Research Focus:gene regulatory network inference· 2 Research Focus:protein structure prediction· 2 Organism:Arabidopsis· 1 Research Focus:differential expression· 1 Assay:DNA methylation· 1 Organism:mouse· 1

Frequent Co-Authors

Jan KadleciD· 3 shared Ambre PetitalotiD· 2 shared Cristel C. CarlesiD· 2 shared Emmanuel Thévenon· 2 shared Gilles VachoniD· 2 shared Jean-Baptiste Izquierdo· 2 shared Laura TurchiiD· 2 shared Meredith WoutersiD· 2 shared

Activity by Year

2022-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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3 shared papersMolecular Biology

Jan KadlecORCID

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3 papers

Recent·Most cited

The dual trxG/PcG protein ULTRAPETALA1 modulates H3K27me3 and directly enhances POLYCOMB REPRESSIVE COMPLEX 2 activity for fine-tuned reproductive transitions

Vangeli Geshkovski, Julia Engelhorn, Jean-Baptiste Izquierdo, Hamida Laroussi, Caroline Thouly, Laura Turchi, Meredith Wouters, Marie Le Masson, Emmanuel Thévenon, Ambre Petitalot, Lauriane Simon, Manon Verdier, Sophie Desset, Philipp Michl-Holzinger, Astrid Bruckmann, , Cristel C. Carles

This study shows ULTRAPETALA1 modulates PRC2 activity and enhances H3K27me3 deposition in Arabidopsis, revealing a bivalent trxG/PcG factor mechanism for chromatin regulation.

Nature Plants · Aug 4, 2026Peer-reviewedGenetics

ULTRAPETALA1 remodels PRC2 recruitment to nucleosomes

Anne‐Emmanuelle Foucher, Etienne Dubiez, Meredith Wouters, Khalpanaa Munesbrain, Jean-Baptiste Izquierdo, Hamida Laroussi, Vangeli Geshkovski, Ramachandran Boopathi, Eleftherios Zarkadas, Ambre Petitalot, Laura Turchi, Emmanuel Thévenon, Armand Michaud, Jérémy Lucas, Guy Schoehn, , Jan Kadlec

The paper identifies a plant-specific PRC2 variant, PRC2.3, which uses ULTRAPETALA1 to target nucleosomes and deposit H3K27me3 at developmental genes.

bioRxiv · Jun 17, 2026 · PreprintMolecular Biology

TOPOVIBL-REC114 interaction regulates meiotic DNA double-strand breaks

Alexandre Nore, Ariadna B. Juarez-Martinez, Julie A. J. Clément, Christine Brun, Boubou Diagouraga, Hamida Laroussi, Corinne Grey, Henri Marc Bourbon, Jan Kadlec, Thomas Robert, Bernard de Massy

This study shows that the TOPOVIBL-REC114 interaction is essential for the efficiency and timing of meiotic DNA double-strand breaks in mice.

Nature Communications · Nov 17, 2022Peer-reviewedMolecular Biology