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Dr Jérôme Morelle
Dr Jérôme Morelle
Aquatic Microbial Ecologist
Aquatic Microbial Ecologist
Research focus on the dynamics of microorganisms and their role in biogeochemical processes within aquatic ecosystems.
Welcome to my personal professional website!
Welcome to my personal professional website!
I am a scientific researcher specializing in aquatic ecosystem ecology, with a specific focus on the dynamics of microorganisms and the associated processes involved in biogeochemical cycles. My work spans across both marine and freshwater environments, investigating how microorganisms drive key ecological processes that sustain ecosystem health and function.
To date, my research has focused on phytoplanktonic and microphytobenthic photosynthesis, primary production, bacterial denitrification, and the dynamics of exopolysaccharides in response to external control factors. Through fieldwork, laboratory experiments, and advanced data modeling, I aim to uncover the complex interactions between microorganisms and their environments, and how these processes influence global nutrient cycles, carbon fluxes, and climate regulation.
Feel free to explore the various sections of the site to learn more about my research, scientific publications, and updates.
Last News
Last News
All the latest updates await you in the News section, stay tuned!
My Actual Research Project (Contract End Date: September 30, 2026)
My Actual Research Project (Contract End Date: September 30, 2026)
I am currently involved in the REWRITE (Rewilding and restoration of European intertidal sedimentary ecosystems) project (official website), under the supervision of Johann Lavaud. This project focuses on on the restoration of fragile intertidal habitats, which are increasingly threatened by fragmentation, biodiversity loss, and climate change. By combining ecological, biogeochemical, and socio-economic approaches, REWRITE seeks to enhance the resilience of coastal ecosystems and the services they provide to human societies. The consortium brings together experts from 11 European countries, the UK, and North America to develop innovative strategies for a more sustainable future along European coastlines.
Last publications
Last publications
Alexandra Bastos, Jérôme Morelle, Silja Frankenbach, Johann Lavaud, João Serôdio. 2025. Light response of karyostrophy in the benthic pennate diatom Pleurosigma strigosum (Bacillariophyceae): A complimentary photoprotective process? Journal of Phycology, 00, 1–13. https://doi.org/10.1111/jpy.70055
Jérôme Morelle, Johann Lavaud, Douglas A. Campbell, Silja Frankenbach, João Serôdio. 2025. Light induced transthylakoidal proton gradient is a key signal driving the downward migration of motile diatoms in sediments. Scientific Reports. 50: 20664. https://doi.org/10.1038/s41598-025-07737-5 (OA)
Anaïs Richard, Francis Orvain, Annabelle Dairain, Jérôme Morelle, Alicia Romero-Ramirez, Tiffany Rodolfo-Damiano, Xavier de Montaudouin. 2025. Influence of cockle bioturbation on microphytobenthic primary producers: habitat and density-dependent effects. Marine Biology 172, 70. https://doi.org/10.1007/s00227-025-04629-0 (OA)
Jérôme Morelle, Alexandra Bastos, Silja Frankenbach, João Serôdio. 2025. Inter-specific variability in photophysiological responses of epipelic diatoms to the actin inhibitor Latrunculin B. Diatom Research, 1–14. https://doi.org/10.1080/0269249X.2024.2447333
Vincent Hervé, Jérôme Morelle, Josie Lambourdière, Pascal Jean Lopez, Pascal Claquin. 2025. Together throughout the year: seasonal patterns of bacterial and eukaryotic microbial communities in a macrotidal estuary. Environmental Microbiome, 20, 8. https://doi.org/10.1186/s40793-025-00664-y (OA)
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