The study examines microdiversity in Limnospira platensis across time and space, showing resilience and niche partitioning through genetic changes and horizontal gene transfer.

bioRxiv · Oct 23, 2026 · PreprintMicrobiology

Total Biosynthesis of Pseudomonas aeruginosa-Derived Azabicyclocarbamates Identifies Distinct Dehydrating Condensation Family Proteins

Xiaohan Liu, Soumaya Najah, Andrea Calderari, Zhilai Hong, Sébastien Halary, Carine Lombard, Arnaud Bolard, Katy Jeannot, Arnaud Gruez, Kira J. Weissman, Yanyan Li

The paper identifies a new family of dehydrating condensation domain proteins involved in the biosynthesis of azabicyclocarbamates in Pseudomonas aeruginosa.

bioRxiv · Jul 17, 2026 · PreprintBiochemistry

Higher trophic status leads to more diverse and divergent microeukaryote communities over time in urban lakes from the Greater Paris (France)

Sébastien Duperron, Pierre Foucault, Amaury Le Vern, Midoli Goto, Charlotte Duval, Benjamin Marie, Sahima Hamlaoui, Sébastien Halary, Dominique Lamy, Emilie Lance A, Marc Troussellier, Cécile Bernard, Ludwig E. Jardillier, Julie Leloup

The paper examines how trophic status affects microeukaryote community dynamics in urban lakes over 18 months, finding that higher trophic status increases diversity and divergence.

Environmental Microbiology Reports · Apr 28, 2026Peer-reviewedMicrobiology

Integrating metagenome-scale metabolic modelling and metabolomics to identify biochemical interactions in Microcystis phycospheres

Juliette Audemard, Nicolas Creusot, Julie Leloup, Charlotte Duval, Sébastien Halary, Lou Mary, Mélissa Éon, Thomas Forjonel, Mohamed Mouffok, Rémy Puppo, Elodie Belmonte, Véronique Gautier, Jeanne Got, Marie Lefebvre, Gabriel V. Markov, , Clémence Frioux

The paper integrates metagenome-scale metabolic modeling and metabolomics to analyze Microcystis phycospheres, revealing metabolic interactions and functional differences among strains.

bioRxiv · Mar 23, 2026 · PreprintSystems Biology

A summer in the Greater Paris: trophic status of peri-urban lakes shapes prokaryotic community structure and functional potential

Pierre Foucault, Sébastien Halary, Charlotte Duval, Midoli Goto, Benjamin Marie, Sahima Hamlaoui, Ludwig E. Jardillier, Dominique Lamy, Emilie Lance A, Emmanuelle Raimbault, Fayçal Allouti, Marc Troussellier, Cécile Bernard, Julie Leloup, Sébastien Duperron

This study examines how trophic status affects prokaryotic community structure and functional potential in nine peri-urban lakes around Paris over a summer season.

Environmental Microbiome · Feb 17, 2025Peer-reviewedMicrobiology

Limnospira (Cyanobacteria) chemical fingerprint reveals local molecular adaptation

Théotime Roussel, Cédric Hubas, Sébastien Halary, Mathias Chynel, Charlotte Duval, Jean‐Paul Cadoret, Tarik Meziane, Léa Vernès, Claude Yéprémian, Cécile Bernard, Benjamin Marie

The paper identifies distinct chemical fingerprints in Limnospira strains linked to their biogeographic origins and environmental adaptations.

Microbiology Spectrum · Jan 8, 2025Peer-reviewedMicrobiology