Publications

2026

Andrea Catacora-Grundy, Caroline Juery, Fabien Chevalier, Daniel Yee, Marie Pavie, Charlotte LeKieffre, Nicole Schieber, Yannick Schwab, Benoit Gallet, Pierre-Henri Jouneau, Gilles Curien, Johan Decelle. (2026) Sweet and fatty symbionts: Photosynthetic productivity and carbon storage boosted in microalgae within a host, Proc. Natl. Acad. Sci. U.S.A. 123 (25) e2513679123, https://doi.org/10.1073/pnas.2513679123 (2026).

Andrea Catacora-Grundy, Netanel Kramer, Sofie Lindegaard Jakobsen, Michael Kühl, Johan Decelle, Daniel Wangpraseurt, Intra-colony light gradients drive variation in coral symbiont morphology and carbon storage, The ISME Journal, Vol 20 (1), January 2026, wrag006, https://doi.org/10.1093/ismejo/wrag006

N Leisch, S Baars, T Beavis, P Bertucci, C Bhickta, M Bonadonna, CM Brannon, L Burgués-Palau, P Cherek, F Chevalier, J Decelle, M Demulder, G Dey, O Dudin, E Duke, BD Engel, E Flaum, S Flori, B Gallet, P Guichard, A Halavatyi, V Hamel, M Jacobovitz, C Juery, M Laporte, S Mattei, F Mikus, K Mocaer, K Moog, M Olivetta, M Pavie, R Pepperkok, A Perez-Boerema, L Planat, M Prakash, EW Pyle, CR Rhodes, I Romero-Brey, P Ronchi, H Rosa, A Rubio Ramos, C Saint-Donat, Y Schwab, H Shah, AM Steyer, A Svetlove, G Toullec, F Vincent, T Wiegand, W Wietrzynski, D Yee, S Zwahlen (2026) An Advanced Mobile Laboratory to enable field-based microbial ecology and cell biology across scales,bioRxiv 2026.02.23.707475; doi: https://doi.org/10.64898/2026.02.23.707475

Johan Decelle. The Romantic discovery of Radiolaria in the Ocean. Journal of Eukaryotic Microbiology vol 73-1 (2026); https://doi.org/10.1111/jeu.70062

2025

  • Zoltán Füssy, Robert H. Lampe, Kevin R. Arrigo, Kerrie Barry, Margaret M. Brisbin, Corina P. D. Brussaard, Johan Decelle, Colomban de Vargas, Giacomo R. DiTullio, Liam D. H. Elbourne, Marc E. Frischer, David M. Goodstein, Igor V. Grigoriev, Richard D. Hayes, Adam L. Healey, Chase C. James, Jerry W. Jenkins, Caroline Juery, Manish Kumar, Adam B. Kustka, Florian Maumus, Anna M. G. Novák Vanclová, Miroslav Oborník, Ian T. Paulsen, Andrew E. Allen.  Genome-resolved biogeography of Phaeocystales, cosmopolitan bloom-forming algae. Nat Commun 16, 8559 (2025). https://doi.org/10.1038/s41467-025-63565-1
  • Grace J. Zhong, Gaëlle Toullec, Pierre-Henri Jouneau, Johan Decelle, Manu Prakash. Long-range actin-driven endosymbiont mobility in a deep-diverging bilaterian. bioRxiv 2025.06.08.658386; doi: https://doi.org/10.1101/2025.06.08.658386
  • Seifi, M., Dalle Nogare, D., Battagliotti, J.M., Vera Galinova, Ananya Kedige Rao, Pierre-Henri Jouneau, Anwai Archit, AI4Life Horizon Europe Programme Consortium, Constantin Pape, Johan Decelle, Florian Jug & Joran Deschamps. FeatureForest: the power of foundation models, the usability of random forests. npj Imaging 3, 32 (2025). https://doi.org/10.1038/s44303-025-00089-9
  • Daniel Yee, Caroline Juery, Gaelle Toullec, Andrea Catacora-Grundy, Charlotte LeKieffre, Daniel Wangpraseurt, Johan Decelle. (2025) Physiology and metabolism of eukaryotic microalgae involved in aquatic photosymbioses. New Phytologist. 247: 71-89 https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.70190
  • Ananya Kedige Rao, Daniel Yee, Fabien Chevalier, Charlotte LeKieffre, Marie Pavie, Marine Olivetta, Omaya Dudin, Benoit Gallet, Elisabeth Hehenberger, Mehdi Seifi, Florian Jug, Joran Deschamps, Ting-Di Wu, Rebecca Gast, Pierre-Henri Jouneau, Johan Decelle. Hijacking and integration of algal plastids and mitochondria in a polar planktonic host. (2025) Current Biology. https://doi.org/10.1016/j.cub.2025.03.076
  • Nikitashina V, Bartels B, Mansour JS, LeKieffre C, Decelle J, Hertweck C, Not F, Pohnert G. Metabolic interdependence and rewiring in radiolaria-microalgae photosymbioses. The ISME Journal. 2025 Jan 2;19(1):wraf047. doi: 10.1093/ismejo/wraf047.
  • Iris Rizos, Sarah Romac, Caroline Juery, Charlotte Berthelier, Johan Decelle, Juliana Bernardes, Erwan Corre, Lucie Bittner, Fabrice Not. Transcriptomic analyses reveal sexual cues in reproductive life stages of uncultivated Acantharia (Radiolaria). Protist. 2025 vol 177: https://doi.org/10.1016/j.protis.2025.126102.

2024

  • Caroline Juéry, Adria Auladell, Zoltan Füssy, Fabien Chevalier, Daniel P Yee, Eric Pelletier, Erwan Corre, Andrew E Allen, Daniel J Richter, Johan Decelle (2024). Transportome remodeling of a symbiotic microalga inside a planktonic host. The ISME Journal wrae239, https://doi.org/10.1093/ismejo/wrae239
  • Mehdi Seifi, Damian Dalle Nogare, Juan Battagliotti, Vera Galinova, Ananya Kedige Rao, AI4Life Horizon Europe Programme Consortium, Johan Decelle, Florian Jug, Joran Deschamps. (2024). FeatureForest: the power of foundation models, the usability of random forests. bioRxiv 2024.; doi:https://doi.org/10.1101/2024.12.12.628025
  • Lewis WH, Paris G, Beedessee G, Kořený L, Flores V, Dendooven T, Gallet B, Yee DP, Lam S, Decelle J, Luisi BF, Waller RF.(2024).Plastid translocon recycling in dinoflagellates demonstrates the portability of complex plastids between hosts. Current Biology. 34(23):5494-5506.e3. doi: 10.1016/j.cub.2024.10.034. 
  • Laurie Bousquet, Shai Fainsod, Johan Decelle, Omer Murik, Fabien Chevalier, Benoit Gallet, Rachel Templin, Yannick Schwab, Yoav Avrahami, Gil Koplovitz, Chuan Ku, Miguel J Frada. (2024). Life Cycle and Morphogenetic Differentiation in Heteromorphic Cell Types of a Cosmopolitan Marine Microalga. New Phytologist. https://doi.org/10.1111/nph.20360 LINK
  • Andrew Allen, Zoltán Füssy, Robert Lampe et al. Genome-resolved biogeography of Phaeocystales, cosmopolitan bloom-forming algae, 11 June 2024, PREPRINT (Version 1) available at Research Square [https://doi.org/10.21203/rs.3.rs-4339559/v1]
  • Caroline Juery, Adria Auladell, Zoltan Fussy, Fabien Chevalier, Daniel Yee, Eric Pelletier, Erwann Corre, Andrew E Allen, Daniel Richter, Johan Decelle.(2024). Transportome remodeling of a symbiotic microalga inside a planktonic host. bioRxiv 2024.06.01.596945; doi: https://doi.org/10.1101/2024.06.01.596945
  • Iris Rizos, Sarah Romac, Caroline Juery, Charlotte Berthelier, Johan Decelle, Juliana Bernardes, Erwan Corre, Lucie Bittner, Fabrice Not. (2024). Single-cell transcriptomics highlights sexual cues among reproductive life stages of uncultivated Acantharia (Radiolaria. bioRxiv 2024.07.02.601653; doi: https://doi.org/10.1101/2024.07.02.601653

 

2023

  • A. Catacora-Grundy, F. Chevalier, D. Yee, C. LeKieffre, N. L. Schieber, Y. Schwab, B. Gallet, P.H. Jouneau, G. Curien,J. Decelle. (2023). Sweet and fatty symbionts: photosynthetic productivity and carbon storage boosted in microalgae within a host. bioRxiv 2023.12.22.572971; doi: https://doi.org/10.1101/2023.12.22.572971
  • Mattia Storti, Haythem Hsine, Clarisse Uwizeye, Olivier Bastien, Daniel P. Yee, Fabien Chevalier, Johan Decelle, Cécile Giustini, Daniel Béal, Gilles Curien, Giovanni Finazzi, Dimitri Tolleter. (2023) Tailoring confocal microscopy for real-time analysis of photosynthesis at single-cell resolution. Cell Reports Methods 100568, ISSN 2667-2375, https://doi.org/10.1016/j.crmeth.2023.100568.
  • Daniel P Yee, Ty J Samo, Raffaela M Abbriano, Bethany Shimasaki, Maria Vernet, Xavier Mayali, Peter K Weber, B Greg Mitchell, Mark Hildebrand, Johan Decelle, Martin Tresguerres. (2023) The V-type ATPase enhances photosynthesis in marine phytoplankton and further links phagocytosis to symbiogenesis. Current Biology 33, 1–7 https://doi.org/10.1016/j.cub.2023.05.020
  • Karel Mocaer, Giulia Mizzon, Manuel Gunkel, Aliaksandr Halavatyi, Anna Steyer,Viola Oorschot, Martin Schorb, Charlotte Le Kieffre, Daniel P. Yee, Fabien Chevalier, Benoit Gallet, Johan Decelle, Yannick Schwab, Paolo Ronchi. (2023) Targeted volume correlative light and electron microscopy of an environmental marine microorganism. Journal of Cell Science jcs.261355. https://doi.org/10.1242/jcs.261355

2022

  • Decelle J, Kayal E, Bigeard E, Gallet B, Bougoure J, Clode P,  Schieber N, Templin R, Hehenberger E, Prensier G, Chevalier F, Schwab Y,  Guillou L. (2022) Intracellular development and impact of a marine eukaryotic parasite on its zombified microalgal host. ISME J 16, 2348–2359 (2022). https://doi.org/10.1038/s41396-022-01274-z  Access to the article on ISME

2021

  • Decelle J, Kayal E, Bigeard E, Gallet B, Bougoure J, Clode P,  Schieber N, Templin R, Hehenberger E, Prensier G, Chevalier F, Schwab Y,  Guillou L. (2021) Intracellular development and impact of a eukaryotic parasite on its zombified microalgal host in the marine plankton bioRxiv 2021.11.04.467241; doi: https://doi.org/10.1101/2021.11.04.467241
  • Decelle J, Veronesi G, LeKieffre C, Gallet B, Chevalier F, Stryhanyuk H, Marro S, Ravanel S, Tucoulou, R, Schieber N, Finazzi, G, Schwab Y and Musat, N. (2021), Subcellular architecture and metabolic connection in the planktonic photosymbiosis between Collodaria (radiolarians) and their microalgae. Environ Microbiol. https://doi.org/10.1111/1462-2920.15766
  • Uwizeye C, Mars Brisbin M, Gallet B, Chevalier F, LeKieffre C, Schieber NL, Falconet D, Wangpraseurt D, Schertel L, Stryhanyuk H, Musat N, Mitarai S, Schwab Y, Finazzi G, Decelle J. Cytoklepty in the plankton: A host strategy to optimize the bioenergetic machinery of endosymbiotic algae. Proc Natl Acad Sci U S A. 2021 Jul 6;118(27):e2025252118. doi: 10.1073/pnas.2025252118. 
  • Clarisse Uwizeye, Johan Decelle*, Pierre-Henri Jouneau, Benoit Gallet, Jean-Baptiste Keck, Christine Moriscot, Fabien Chevalier, Nicole L. Schieber, Rachel Templin, Gilles Curien, Yannick Schwab, Guy Schoehn, Samuel C. Zeeman, Denis Falconet*, Giovanni Finazzi* (2021) Morphological bases of phytoplankton energy management and physiological responses unveiled by 3D subcellular imaging.Nature Communications vol 12 (*:corresponding authors) doi: https://doi.org/10.1038/s41467-021-21314-0
  • Gilles Curien, Dagmar Lyska, Erika Guglielmino, Phillip Westhoff, Janina Janetzko, Marianne Tardif, Clément Hallopeau, Sabine Brugière, Davide Dal Bo, Johan Decelle, Benoit Gallet, Denis Falconet, Michele Carone, Claire Remacle, Myriam Ferro, Andreas P.M. Weber, Giovanni Finazzi (2021) Mixotrophic growth of the extremophile Galdieria sulphuraria reveals the flexibility of its carbon assimilation metabolism . New Phytologist  doi: https://doi.org/10.1111/nph.17359
  • Johan Decelle, Giulia Veronesi, Charlotte LeKieffre, Benoit Gallet, Fabien Chevalier, Hryhoriy Stryhanyuk, Sophie Marro, Stéphane Ravanel, Rémi Tucoulou, Nicole Schieber, Giovanni Finazzi, Yannick Schwab, Niculina Musat (2021) Subcellular architecture and metabolic connection in the planktonic photosymbiosis between Collodaria (radiolarians) and their microalgae. bioRxiv 2021.03.13.435225; doi: https://doi.org/10.1101/2021.03.13.435225

2020

  • Uwizeye Clarisse, Mars Brisbin Margaret, Gallet Benoit, Chevalier Fabien, LeKieffre Charlotte, Schieber L. Nicole, Falconet Denis, Wangpraseurt Daniel, Schertel Lukas, Stryhanyuk Hryhoriy, Musat Niculina, Mitarai Satoshi, Schwab Yannick, Finazzi Giovanni, Decelle Johan. (2020) Cytoklepty in the plankton: a host strategy to optimize the bioenergetic machinery of endosymbiotic algae. BioRxiv doi: https://doi.org/10.1101/2020.12.08.416644
  • de Vargas C, Pollina T, Romac S, Le Bescot N, Henry N, Berger C, Colin S, Haëntjens N, Carmichael M, Le Guen D, Decelle J, Mahé F, Malpot E, Beaumont C, Hardy M, the planktonauts, the Plankton Planet team, Guiffant D, Probert I, Gruber DF, Allen A, Gorsky G, Follows M, Cael BB, Pochon X, Troublé R, Lombard F, Boss E, Prakash M (2020) Plankton Planet: ‘seatizen’ oceanography to assess open ocean life at the planetary scale bioRxiv 2020.08.31.263442; doi: https://doi.org/10.1101/2020.08.31.263442
  • Decelle J, Veronesi G, Gallet B, Stryhanyuk H, Benettoni P, Schmidt M, Tucoulou R, Passarelli M, Bohic S, Clode P, Musat N (2020) Subcellular Chemical Imaging: New Perspectives in Cell Biology. Trends in Cell Biology. 30:173-188 DOI:https://doi.org/10.1016/j.tcb.2019.12.007
  • Clarisse Uwizeye, Johan Decelle*, Pierre-Henri Jouneau, Benoit Gallet, Jean-Baptiste Keck, Christine Moriscot, Fabien Chevalier, Nicole L. Schieber, Rachel Templin, Gilles Curien, Yannick Schwab, Guy Schoehn, Samuel C. Zeeman, Denis Falconet*, Giovanni Finazzi* (2020) In-cell quantitative structural imaging of phytoplankton using 3D electron microscopy.bioRxiv 2020.05.19.104166; (*:corresponding authors) doi: https://doi.org/10.1101/2020.05.19.104166

2019

  • Decelle J, Stryhanyuk H, Gallet B, Veronesi G, Schmidt M, Balzano S, Marro S, Uwizeye C, Jouhet J, Maréchal E, Lupette J, Schwab Y, Schieber N, Tucoulou R, Richnow H, Finazzi G, Musat N (2019) Algal remodeling in a ubiquitous planktonic photosymbiosis. Current Biology. 29, 1–11 doi.org/10.1016/j.cub.2019.01.073
  • Hansen PJ, Anderson R, Stoecker DK, Decelle J, Altenburger A, Blossom HE, Drumm K, Mitra A, Flynn KJ (2019) Chapter: Mixotrophy Among Freshwater and Marine Protists. Encyclopedia of Microbiology, 4th Edition. DOI: 10.1016/B978-0-12-809633-8.20685-7
  • Dittami SM, Arboleda E, Auguet JC, Bigalke A, Briand E, Cárdenas P, Cardini U, Decelle J, Engelen A, Eveillard D et al (2019) A community perspective on the concept of marine holobionts: state-of-the-art, challenges, and future directions. DOI: 10.7287/peerj.preprints.27519v1
  • Decelle J, Carradec Q, Pochon X, Henry N, Romac S, Mahé F, Dunthorn M, Kourlaiev A, Voolstra C.R., Winker P, and de Vargas C (2018) Worldwide occurrence and activity of the reef-building coral symbiont Symbiodinium in the open ocean. Current Biology 28: 28:3625-3633 https://doi.org/10.1016/j.cub.2018.09.024
  • Jiang H, Kilburn MR, Decelle J, Musat N (2016) NanoSIMS chemical imaging combined with correlative microscopy for biological sample analysis. Current Opinion in Biotechnology 41:130-135. DOI: 10.1016/j.copbio.2016.06.006