OG

Olivier Grosso

Ingénieur de Recherche. Responsable des analyses EA/GC IRMS au sein du Plateau Technique ISOTOP. Responsable du Sea water Sensing Lab @ MIO Marseille
36
Documents

Compétences

Analyse EA/GC IRMS et MIMS Développements et validation de méthodes R&D et deploiement d'experiences pour l'étude de la diazotrophie

Publications

Publications

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Distinct contributions of suspended and sinking prokaryotes to mesopelagic carbon budget

Pauline Le Coq , Urania Christaki , France van Wambeke , Elisabeth Chevillon , Bruno Zakardjian et al.

Nature Geoscience, 2026, 19, pp.165-172. ⟨10.1038/s41561-025-01888-w⟩

Article dans une revue hal-05454176v1
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Contrasting Nitrogen Fixation Between Arctic and Atlantic Waters in the Fram Strait

Stine Zander , Lisa von Friesen , Rafael Gonçalves-Araujo , Olivier Grosso , Mar Benavides et al.

Microbial ecology, 2025, 89 (1), ⟨10.1007/s00248-025-02673-3⟩

Article dans une revue hal-05480153v1
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Aggregation and remineralization of Trichodesmium unveil potential for ocean carbon sequestration

Marion Fourquez , Fatima-Ezzahra Ababou , Mercedes Camps , France van Wembeke , Olivier Grosso et al.

ISME Communications, 2025, 5 (1), ⟨10.1093/ismeco/ycaf128⟩

Article dans une revue hal-05296350v1
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Organic metabolite uptake by diazotrophs in the North Pacific Ocean

Alba Filella , Aurélie Cébron , Benoît Paix , Marine Vallet , Pauline Martinot et al.

ISME Communications, 2025, 5 (1), pp.ycaf061. ⟨10.1093/ismeco/ycaf061⟩

Article dans une revue hal-05076722v1

Unveiling the contribution of particle-associated non-cyanobacterial diazotrophs to N2 fixation in the upper mesopelagic North Pacific Gyre

Christian Reeder , Alba Filella , Anna Voznyuk , Arthur Coët , Reece James et al.

Communications Biology, 2025, 8 (1), pp.287. ⟨10.1038/s42003-025-07542-w⟩

Article dans une revue hal-05507264v1
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Nitrogen fixation in the North Atlantic supported by Gulf Stream eddy-borne diazotrophs

Cora Hoerstmann , Borja Aguiar-González , Stéphanie Barrillon , Cécile Carpaneto Bastos , Olivier Grosso et al.

Nature Geoscience, 2024, ⟨10.1038/s41561-024-01567-2⟩

Article dans une revue hal-04743245v1
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Dissolved organic matter offsets the detrimental effects of climate change in the nitrogen‐fixing cyanobacterium Crocosphaera

Alba Filella , Jacqueline Umbricht , Angelina Klett , Angela Vogts , Thomas Vannier et al.

Limnology and Oceanography Letters, 2024, 9 (3), pp.296-306. ⟨10.1002/lol2.10380⟩

Article dans une revue hal-04909142v1
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Mechanistic understanding of diazotroph aggregation and sinking: “A rolling tank approach”

Fatima-Ezzahra Ababou , Frédéric A. C. Le Moigne , Olivier Grosso , Catherine Guigue , Sandra Nunige et al.

Limnology and Oceanography, 2023, ⟨10.1002/lno.12301⟩

Article dans une revue hal-04030404v1
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Natural iron fertilization by shallow hydrothermal sources fuels diazotroph blooms in the ocean

Sophie Bonnet , Cécile Guieu , Vincent Taillandier , Cédric Boulart , Pascale Bouruet-Aubertot et al.

Science, 2023, 380 (6647), pp.812-817. ⟨10.1126/science.abq4654⟩

Article dans une revue hal-04172298v1
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Quantifying N2 fixation and its contribution to export production near the Tonga-Kermadec Arc using nitrogen isotope budgets

Heather Forrer , Sophie Bonnet , Rachel Thomas , Olivier Grosso , Cecile Guieu et al.

Frontiers in Marine Science, 2023, 10, ⟨10.3389/fmars.2023.1249115⟩

Article dans une revue hal-04266216v1
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Sinking Trichodesmium fixes nitrogen in the dark ocean

Mar Benavides , Sophie Bonnet , Frédéric a C Le Moigne , Gabrielle Armin , Keisuke Inomura et al.

The International Society of Microbiologial Ecology Journal, 2022, 16 (10), pp.2398-2405. ⟨10.1038/s41396-022-01289-6⟩

Article dans une revue hal-03986959v1
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Anomalously high abundance of Crocosphaera in the South Pacific Gyre

Mar Benavides , Mathieu Caffin , Solange Duhamel , Rachel Ann Foster , Olivier Grosso et al.

FEMS Microbiology Letters, 2022, 369 (1), ⟨10.1093/femsle/fnac039⟩

Article dans une revue hal-03986953v1
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Diazotrophs are overlooked contributors to carbon and nitrogen export to the deep ocean

Sophie Bonnet , Mar Benavides , Frédéric a C Le Moigne , Mercedes Camps , Antoine Torremocha et al.

The International Society of Microbiologial Ecology Journal, 2022, ⟨10.1038/s41396-022-01319-3⟩

Article dans une revue hal-03840301v1
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Contrasting roles of DOP as a source of phosphorus and energy for marine diazotroph

Alba Filella , Lasse Riemann , France van Wambeke , Elvira Pulido-Villena , Angela Vogts et al.

Frontiers in Marine Science, 2022, 9, ⟨10.3389/fmars.2022.923765⟩

Article dans une revue hal-03787908v1
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Diazotroph-Derived Nitrogen Assimilation Strategies Differ by Scleractinian Coral Species

Valentine Meunier , Sophie Bonnet , Mar Benavides , Andreas Ravache , Olivier Grosso et al.

Frontiers in Marine Science, 2021, 8, ⟨10.3389/fmars.2021.692248⟩

Article dans une revue hal-03663128v1
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Bleaching forces coral’s heterotrophy on diazotrophs and Synechococcus

Valentine Meunier , Sophie Bonnet , Mathieu Pernice , Mar Benavides , Anne Lorrain et al.

The International Society of Microbiologial Ecology Journal, 2019, 13 (11), pp.2882-2886. ⟨10.1038/s41396-019-0456-2⟩

Article dans une revue hal-02458908v1
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Nanoplanktonic diatoms are globally overlooked but play a role in spring blooms and carbon export

Karine Leblanc , Bernard Queguiner , Frederic Diaz , Veronique Cornet , Mónica Michel-Rodriguez et al.

Nature Communications, 2018, 9 (1), pp.953. ⟨10.1038/s41467-018-03376-9⟩

Article dans une revue hal-02006275v1
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Nutrient availability and the ultimate control of the biological carbon pump in the western tropical South Pacific Ocean

Thierry Moutin , Thibaut Wagener , Mathieu Caffin , Alain Fumenia , Audrey Gimenez et al.

Biogeosciences, 2018, 15 (9), pp.2961-2989. ⟨10.5194/bg-15-2961-2018⟩

Article dans une revue hal-01801747v1
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Distribution and rates of nitrogen fixation in the western tropical South Pacific Ocean constrained by nitrogen isotope budgets

Angela Knapp , Kelly Mccabe , Olivier Grosso , Nathalie Leblond , Thierry Moutin et al.

Biogeosciences, 2018, 15 (9), pp.2619-2628. ⟨10.5194/bg-15-2619-2018⟩

Article dans une revue hal-01790780v1
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Meso-zooplankton structure and functioning in the western tropical South Pacific along the 20th parallel south during the OUTPACE survey (February–April 2015)

Francois Carlotti , Marc Pagano , Loic Guilloux , Katty Donoso , Valentina P Valdés et al.

Biogeosciences, 2018, 15 (23), pp.7273-7297. ⟨10.5194/bg-15-7273-2018⟩

Article dans une revue hal-02007881v1
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N<sub>2</sub> fixation as a dominant new N source in the western tropical South Pacific Ocean (OUTPACE cruise)

Mathieu Caffin , Thierry Moutin , Rachel Ann Foster , Pascale Bouruet-Aubertot , Andrea M. Doglioli et al.

Biogeosciences, 2018, 15 (8), pp.2565 - 2585. ⟨10.5194/bg-15-2565-2018⟩

Article dans une revue hal-01790784v1
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Silicon cycle in the tropical South Pacific: contribution to the global Si cycle and evidence for an active pico-sized siliceous plankton

Karine Leblanc , Veronique Cornet , Peggy Rimmelin-Maury , Olivier Grosso , Sandra Helias Nunige et al.

Biogeosciences, 2018, 15 (18), pp.5595-5620. ⟨10.5194/bg-15-5595-2018⟩

Article dans une revue hal-01889901v1
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In-depth characterization of diazotroph activity across the western tropical South Pacific hotspot of N&lt;sub&gt;2&lt;/sub&gt; fixation (OUTPACE cruise)

Sophie Bonnet , Mathieu Caffin , Hugo Berthelot , Olivier Grosso , Mar Benavides et al.

Biogeosciences, 2018, 15 (13), pp.4215-4232. ⟨10.5194/bg-15-4215-2018⟩

Article dans une revue hal-02024176v1
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Aphotic N2 fixation along an oligotrophic to ultraoligotrophic transect in the western tropical South Pacific Ocean

Mar Benavides , Katyanne M Shoemaker , Pia H. Moisander , Jutta Niggemann , Thorsten Dittmar et al.

Biogeosciences, 2018, 15 (9), pp.3107-3119. ⟨10.5194/bg-15-3107-2018⟩

Article dans une revue hal-01812049v1

Diazotrophs: a non-negligible source of nitrogen for the tropical coral Stylophora pistillata

Mar Benavides , Fanny Houlbrèque , Mercedes Camps , Anne Lorrain , Olivier Grosso et al.

Journal of Experimental Biology, 2016, 219 (17), pp.2608-2612. ⟨10.1242/jeb.139451⟩

Article dans une revue hal-03184290v1
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Transfer of diazotroph-derived nitrogen towards non-diazotrophic planktonic communities: a comparative study between Trichodesmium erythraeum, Crocosphaera watsonii and Cyanothece sp.

Hugo Berthelot , Sophie Bonnet , Olivier Grosso , Veronique Cornet , Aude Barani

Biogeosciences, 2016, 13 (13), pp.4005-4021. ⟨10.5194/bg-13-4005-2016⟩

Article dans une revue hal-01393443v1
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Released coral mucus does not enhance planktonic N-2 fixation rates

Mercedes Camps , Mar Benavides , Kimberley A. Lema , David G. Bourne , Olivier Grosso et al.

Aquatic Microbial Ecology, 2016, 77 (1), pp.51-63. ⟨10.3354/ame01787⟩

Article dans une revue hal-01443633v1

Diazotrophs: a non-negligible source of nitrogen for the tropical coral Stylophora pistillata

Mar Benavides , Fanny Houlbreque , Mercedes Camps , Anne Lorrain , Olivier Grosso et al.

Journal of Experimental Biology, 2016, 219 (17), pp.2608-2612. ⟨10.1242/jeb.139451⟩

Article dans une revue hal-01483200v1
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Mesopelagic N2 Fixation Related to Organic Matter Composition in the Solomon and Bismarck Seas (Southwest Pacific)

Mar Benavides , Pia H. Moisander , Hugo Berthelot , Thorsten Dittmar , Olivier Grosso et al.

PLoS ONE, 2015, 10 (12), pp.e0143775. ⟨10.1371/journal.pone.0143775⟩

Article dans une revue hal-01247428v1
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Assessment of the dinitrogen released as ammonium and dissolved organic nitrogen by unicellular and filamentous marine diazotrophic cyanobacteria grown in culture

Hugo Berthelot , Sophie Bonnet , Mercedes Camps , Olivier Grosso , Thierry Moutin

Frontiers in Marine Science, 2015, 2, pp.80. ⟨10.3389/fmars.2015.00080⟩

Article dans une revue hal-01790796v1
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Aphotic N2 Fixation in the Eastern Tropical South Pacific Ocean

Sophie Bonnet , Julien Dekaezemacker , Kendra Turk-Kubo , Thierry Moutin , Robert Hamersley et al.

PLoS ONE, 2013, 8 (12), pp.e81265. ⟨10.1371/journal.pone.0081265⟩

Article dans une revue hal-02163828v1
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Planktonic dinitrogen fixation along a longitudinal gradient across the Mediterranean Sea during the stratified period (BOUM cruise)

Sophie Bonnet , Olivier Grosso , Thierry Moutin

Biogeosciences, 2011, 8 (8), pp.2257-2267. ⟨10.5194/bg-8-2257-2011⟩

Article dans une revue hal-00724468v1

Uncoupling ribosome biogenesis regulation from RNA polymerase I activity during herpes simplex virus type 1 infection.

Stéphane Belin , Karine Kindbeiter , Sabine Hacot , Marie Alexandra Albaret , Jean-Xavier Roca-Martinez et al.

RNA, 2010, 16 (1), pp.131-40. ⟨10.1261/rna.1935610⟩

Article dans une revue hal-00709418v1