The paper identifies four new Oscarella sponge species using genetic and morphological data, highlighting methodological limitations in current taxonomic approaches.

Scientific Reports · Oct 3, 2026Peer-reviewedEvolutionary Biology

Separating faces in ARMS metabarcoding improves marine biodiversity monitoring: a comparison across protocols, experimental designs, and photographic surveys

Anne Chenuil, Elyna Bouchereau, Térence Legrand, Virgile Calvert, Cécile Chemin, Sandrine Chenesseau, Dorian Guillemain, José Miguel Gutiérrez Ortega, Anne Haguenauer, Michèle Leduc, Frédéric Legendre, Florent Marschal, Christian Marschal, Fatma Mirleau, Marjorie Selva, , Vincent Dubut

This study compares ARMS metabarcoding protocols with photographic surveys, finding that separating ARMS faces improves biodiversity monitoring by increasing richness and ecological signal.

Molecular Ecology Resources · Sep 11, 2026Peer-reviewedEcology

Thriving Across Depths: How Blue Light Shapes a Large PSI Supercomplex and Specific Photosynthetic Traits in the seagrass Posidonia oceanica.

Quentin Charras, Charlie Mathiot, Dmitry A. Semchonok, Eduard Elias, Ahmad Farhan Bhatti, Régine Lebrun, Dorian Guillemain, M.I. Siponen, Roberta Croce, Colette Jungas

This study examines how blue light influences the photosynthetic apparatus of the seagrass Posidonia oceanica across different depths, identifying a novel PSI-LHCII supercomplex and depth-dependent structural adaptations.

bioRxiv · Jun 20, 2025 · PreprintPlant Biology