Gérald Grégori

Directeur de recherche CNRS
76 %
Libre accès
135
Documents
Affiliation actuelle
  • Institut méditerranéen d'océanologie (MIO)
Contact

Présentation

Domaines de recherche

Je m'intéresse aux assemblages microbiens planctoniques et à leurs relations avec l'écosystème et la biogéochimie. J'étudie donc les facteurs qui influencent leur abondance et leur distribution dans la colonne d'eau. Mon originalité est d'utiliser l'analyse à l'échelle individuelle des cellules pour les étudier, à la fois en laboratoire et in situ.

Expertise

  • Biogéochimie
  • Océanographie biologique
  • Cytométrie en flux

Expérience professionnelle et qualifications

  • 2025 : Directeur de recherche au MIO
  • 2020 : Habilitation à Diriger des Recherches (HDR)
  • 2004 : Chercheur CNRS au Centre d’Océanologie de Marseille (COM), Marseille (Depuis janvier 2012, le COM a fusionné avec d'autres laboratoires pour former le MIO.)*
  • 2002-2004 : Chercheur postdoctoral à l'Université Purdue, Indiana, États-Unis
  • 2001 : Contrat postdoctoral au Centre d’Océanologie de Marseille, Laboratoire LOB UMR 6535
    et ATER (Attaché Temporaire d’Enseignement et de Recherche) au COM, Université de la Méditerranée (U2), Marseille
  • 1997-2001 : Thèse de doctorat en océanographie, Université de la Méditerranée (U2), Marseille

Page web :
https://cv.hal.science/gerald-gregori
https://precym.mio.osupytheas.fr/

Domaines de recherche

Océan, Atmosphère

Compétences

Biogéochimie Ecologie microbienne aquatique Cytométrie en flux océanographie

Publications

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Publications

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The North Balearic Front as an ecological boundary: zooplankton fine-scale distribution patterns in late spring

Maxime Duranson , Léo Berline , Loïc Guilloux , Alice Della Penna , Mark D. Ohman et al.

Biogeosciences, 2026, 23 (1), pp.363-385. ⟨10.5194/bg-23-363-2026⟩

Article dans une revue hal-05465336v1
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Near‐Inertial Wave Trapping Inside a Fine‐Scale Anticyclonic Eddy During the BioSWOT‐Med 2023 Cruise: Turbulence and Energy Flux

Robin Rolland , Pascale Bouruet-Aubertot , Yannis Cuypers , Anthony Bosse , Anne Petrenko et al.

Journal of Geophysical Research. Oceans, 2026, 131 (3), pp.e2025JC022984. ⟨10.1029/2025JC022984⟩

Article dans une revue hal-05542755v1
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SIESTA Project: Svalbard summer 2025 expedition report

Rey Mourot , Sibylle Lebert , Eloi Martinez-Rabert , Aude Barani , Gérald Grégori et al.

Open Research Europe, 2026, 6, ⟨10.12688/openreseurope.21683.1⟩

Article dans une revue hal-05493888v1
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A statistical approach to unveil phytoplankton adaptation to ocean fronts

Théo Garcia , Laurina Oms , Xavier Milhaud , Andrea Doglioli , Monique Messié et al.

Advances in Statistical Climatology, Meteorology and Oceanography, 2026, 12 (1), pp.21-41. ⟨10.5194/ascmo-12-21-2026⟩

Article dans une revue hal-05486505v1
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Biogeography of Virioplankton Abundance and Subcluster Patterns in the Northwest Pacific: A Large‐Scale Perspective

Yuan Zhao , Yanchu Zhao , Yi Dong , Xiaoxia Sun , Wuchang Zhang et al.

MicrobiologyOpen, 2025, 14 (6), ⟨10.1002/mbo3.70161⟩

Article dans une revue hal-05378173v1
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New insights into global biogeographic distribution patterns of oceanic tintinnids: a species-level approach

Wuchang Zhang , Haibo Li , Chaofeng Wang , Yuan Zhao , Gérald Grégori

Journal of Plankton Research, 2025, 47 (5), pp.fbaf028. ⟨10.1093/plankt/fbaf028⟩

Article dans une revue hal-05349750v1
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Best Practices for Optimization of Phytoplankton Analysis in Natural Waters Using CytoSense Flow Cytometers

Clémentine Gallot , Zéline Hubert , Lumi Haraguchi , Hedy Aardema , Luis Felipe Artigas et al.

Cytometry Part A, 2025, ⟨10.1002/cyto.a.24964⟩

Article dans une revue hal-05348861v1
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Seasonal organization of tintinnid community by temperature preference and LOD size-class in a subtropical brackish embayment

Jingyuan Li , Ping Du , Haibo Li , Yuan Zhao , Ming Mao et al.

Journal of Plankton Research, 2024, ⟨10.1093/plankt/fbae005⟩

Article dans une revue hal-04527606v1
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Fine-scale phytoplankton community transitions in the oligotrophic ocean: A Mediterranean Sea case study

Laurina Oms , Monique Messié , Jean-Christophe Poggiale , Gérald Grégori , Andrea Doglioli

Journal of Marine Systems, 2024, 246, pp.104021. ⟨10.1016/j.jmarsys.2024.104021⟩

Article dans une revue hal-04799478v1
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Organization of planktonic Tintinnina assemblages in the Atlantic Ocean

Haibo Li , Glen Tarran , Giorgio Dall’olmo , Andrew Rees , Michel Denis et al.

Frontiers in Marine Science, 2023, 10, ⟨10.3389/fmars.2023.1082495⟩

Article dans une revue hal-04005554v1
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The contrasted phytoplankton dynamics across a frontal system in the southwestern Mediterranean Sea

Roxane Tzortzis , Andrea M. Doglioli , Monique Messié , Stéphanie Barrillon , Anne Petrenko et al.

Biogeosciences, 2023, 20, pp.3491-3508. ⟨10.5194/bg-20-3491-2023⟩

Article dans une revue hal-04190237v1
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Data quality control considerations in multivariate environmental monitoring: experience of the French coastal network SOMLIT

Elsa Breton , Nicolas Savoye , Peggy Rimmelin-Maury , Benoit Sautour , Eric Goberville et al.

Frontiers in Marine Science, 2023, 10, pp.12. ⟨10.3389/fmars.2023.1135446⟩

Article dans une revue hal-04083118v1
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Trajectories of nutrients concentrations and ratios in the French coastal ecosystems: 20 years of changes in relation with large-scale and local drivers

Arnaud Lheureux , Valérie David , Yolanda del Amo , Dominique Soudant , Isabelle Auby et al.

Science of the Total Environment, 2023, 857, pp.159619. ⟨10.1016/j.scitotenv.2022.159619⟩

Article dans une revue hal-03859863v1
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Temporal changes in zooplankton indicators highlight a bottom-up process in the Bay of Marseille (NW

Théo Garcia , Daniela Banaru , Loïc Guilloux , Véronique Cornet , Gérald Gregori et al.

PLoS ONE, 2023, 18 (10), pp.e0292536. ⟨10.1371/journal.pone.0292536⟩

Article dans une revue hal-04255762v1
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Phytoplankton reaction to an intense storm in the north-western Mediterranean Sea

Stéphanie Barrillon , Robin Fuchs , Anne Petrenko , Caroline Comby , Anthony Bosse et al.

Biogeosciences, 2023, 20, pp.141-161. ⟨10.5194/bg-20-141-2023⟩

Article dans une revue insu-03948246v1
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Pulsed export of carbon in the north-western Mediterranean Sea

Michel Denis , Dominique Lefevre , Melilotus Thyssen , Ian Jenkinson , Gérald Grégori

Chinese Journal of Oceanology and Limnology, 2022, ⟨10.1007/s00343-022-2026-0⟩

Article dans une revue hal-03825163v1
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Recommendations for Plankton Measurements on OceanSITES Moorings With Relevance to Other Observing Sites

Emmanuel Boss , Anya Waite , Johannes Karstensen , Tom Trull , Frank Muller-Karger et al.

Frontiers in Marine Science, 2022, 9, ⟨10.3389/fmars.2022.929436⟩

Article dans une revue hal-03746756v1
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Automatic recognition of flow cytometric phytoplankton functional groups using convolutional neural networks

Robin Fuchs , Melilotus Thyssen , Véronique Créach , Mathilde Dugenne , Lloyd Izard et al.

Limnology and Oceanography: Methods, 2022, ⟨10.1002/lom3.10493⟩

Article dans une revue hal-03688058v1
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Measuring vertical velocities with ADCPs in low-energy ocean

Caroline Comby , Stéphanie Barrillon , Jean-Luc Fuda , Andrea M. Doglioli , Roxane Tzortzis et al.

Journal of Atmospheric and Oceanic Technology, 2022, 39 (11), pp.1669-1684. ⟨10.1175/JTECH-D-21-0180.1⟩

Article dans une revue hal-03746757v2
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Enhanced resolution of marine viruses with violet side scatter

Yuan Zhao , Yanchu Zhao , Shan Zheng , Li Zhao , Wuchang Zhang et al.

Cytometry Part A, 2022, ⟨10.1002/cyto.a.24674⟩

Article dans une revue hal-03746755v1
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Summertime Tintinnid Community in the Surface Waters Across the North Pacific Transition Zone

Haibo Li , Jun Xuan , Chaofeng Wang , Zhaohui Chen , Gérald Grégori et al.

Frontiers in Microbiology, 2021, 12, ⟨10.3389/fmicb.2021.697801⟩

Article dans une revue hal-03323821v1
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Planktonic ciliate trait structure variation over Yap, Mariana, and Caroline seamounts in the tropical western Pacific Ocean

Chaofeng Wang , Haibo Li , Yi Dong , Li Zhao , Gérald Grégori et al.

Chinese Journal of Oceanology and Limnology, 2021, 39 (5), pp.1705-1717. ⟨10.1007/s00343-021-0476-4⟩

Article dans une revue hal-03371431v1
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On the benefits of using cell quotas in addition to intracellular elemental ratios in flexible-stoichiometry Plankton functional type models. Application to the Mediterranean Sea

Melika Baklouti , Rémi Pagès , Elena Alekseenko , Arnaud Guyennon , Gérald Grégori

Progress in Oceanography, 2021, 197, pp.1-50. ⟨10.1016/j.pocean.2021.102634⟩

Article dans une revue hal-03323385v1
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Impact of moderately energetic fine-scale dynamics on the phytoplankton community structure in the western Mediterranean Sea

Roxane Tzortzis , Andrea M. Doglioli , Stéphanie Barrillon , Anne Petrenko , Francesco d'Ovidio et al.

Biogeosciences, 2021, 18 (24), pp.6455-6477. ⟨10.5194/bg-18-6455-2021⟩

Article dans une revue hal-03485758v1
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Surface ocean microbiota determine cloud precursors

Karine Sellegri , Alessia Nicosia , Evelyn Freney , Julia Uitz , Melilotus Thyssen et al.

Scientific Reports, 2021, 11, ⟨10.1038/s41598-020-78097-5⟩

Article dans une revue hal-03107746v1
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Mediterranean nascent sea spray organic aerosol and relationships with seawater biogeochemistry

Evelyn Freney , Karine Sellegri , Alessia Nicosia , Jonathan Trueblood , Matteo Rinaldi et al.

Atmospheric Chemistry and Physics, 2021, 18, pp.2301-2323. ⟨10.5194/acp-21-10625-2021⟩

Article dans une revue hal-03115302v1
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PROTEVS-MED field experiments: very high resolution hydrographic surveys in the Western Mediterranean Sea

Pierre Garreau , Franck Dumas , Stéphanie Louazel , Stéphanie Corréard , Solenn Fercocq et al.

Earth System Science Data, 2020, 12 (1), pp.441-456. ⟨10.5194/essd-12-441-2020⟩

Article dans une revue hal-02495291v1
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Virioplankton distribution in the tropical western Pacific Ocean in the vicinity of a seamount

Yanchu Zhao , Yuan Zhao , Shan Zheng , Li Zhao , Xuegang Li et al.

MicrobiologyOpen, 2020, ⟨10.1002/mbo3.1031⟩

Article dans une revue hal-02541082v1
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Difference of planktonic ciliate communities of the tropical West Pacific, the Bering Sea and the Arctic Ocean

Chaofeng Wang , Haibo Li , Zhiqiang Xu , Shan Zheng , Qiang Hao et al.

Acta Oceanologica Sinica, 2020, 39 (4), pp.9-17. ⟨10.1007/s13131-020-1541-0⟩

Article dans une revue hal-03115300v1
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Grazing by microzooplankton and copepods on the microbial food web in spring in the southern Yellow Sea, China

Yuan Zhao , Yi Dong , Haibo Li , Shiquan Lin , Lingfeng Huang et al.

Marine Life Science & Technology, 2020, 2 (4), pp.442-455. ⟨10.1007/s42995-020-00047-x⟩

Article dans une revue hal-03115298v1
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Vertical motions and their effects on a biogeochemical tracer in a cyclonic structure finely observed in the Ligurian Sea

Louise Rousselet , Andrea M. Doglioli , Alain de Verneil , Alice Pietri , Alice Della Penna et al.

Journal of Geophysical Research. Oceans, 2019, 124 (6), pp.3561-3574. ⟨10.1029/2018JC014392⟩

Article dans une revue hal-02124795v2
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Diversity and distribution of tintinnid ciliates along salinity gradient in the Pearl River Estuary in southern China

Haibo Li , Chaofeng Wang , Chen Liang , Yuan Zhao , Wuchang Zhang et al.

Estuarine, Coastal and Shelf Science, 2019, 226, pp.106268. ⟨10.1016/j.ecss.2019.106268⟩

Article dans une revue hal-02185988v1
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Frontiers in Fine-Scale in situ Studies: Opportunities During the SWOT Fast Sampling Phase

Francesco d'Ovidio , Ananda Pascual , Jinbo Wang , Andrea M. Doglioli , Zhao Jing et al.

Frontiers in Marine Science, 2019, 6, pp.168. ⟨10.3389/fmars.2019.00168⟩

Article dans une revue hal-02124793v1
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Impact of sterilization methods on dissolved trace metals concentrations in complex natural samples: optimization of UV irradiation

Sandrine Chifflet , Marianne Quemeneur , Aude Barani , Bernard Angeletti , Morgane Didry et al.

MethodsX, 2019, 6, pp.1133-1146. ⟨10.1016/j.mex.2019.04.020⟩

Article dans une revue hal-02128494v1
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Exploring the microbiome of the “star” freshwater diatom Asterionella formosa in a laboratory context

Kojadinovic-Sirinelli Mila , Villain Adrien , Puppo Carine , Fon Sing Sophie , Prioretti Laura et al.

Environmental Microbiology, 2018, 20 (10), pp.3601-3615. ⟨10.1111/1462-2920.14337⟩

Article dans une revue hal-01863990v1
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Beyond Chlorophyll Fluorescence: The Time is Right to Expand Biological Measurements in Ocean Observing Programs

Emmanuel Boss , Anya Waite , Frank Muller-Karger , Hidekatsu Yamazaki , Rik Wanninkhof et al.

Limnology and Oceanography Bulletin, 2018, 27 (3), pp.89-90. ⟨10.1002/lob.10243⟩

Article dans une revue hal-02024177v1
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Planktonic ciliates in different water masses in open waters near Prydz Bay (East Antarctica) during austral summer, with an emphasis on tintinnid assemblages

Chen Liang , Haibo Li , Yi Dong , Yuan Zhao , Zhencheng Tao et al.

Polar Biology, 2018, 41 (11), pp.2355-2371. ⟨10.1007/s00300-018-2375-5⟩

Article dans une revue hal-02024248v1
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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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Coupling physics and biogeochemistry thanks to high-resolution observations of the phytoplankton community structure in the northwestern Mediterranean Sea

Pierre Marrec , Gérald Grégori , Andrea M. Doglioli , Mathilde Dugenne , Alice Della Penna et al.

Biogeosciences, 2018, 15 (5), pp.1579 - 1606. ⟨10.5194/bg-15-1579-2018⟩

Article dans une revue hal-01735426v1
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Resolution of Viable and Membrane-Compromised Free Bacteria in Aquatic Environments by Flow Cytometry

Gérald Grégori , Michel Denis , Sergio Sgorbati , Sandra Citterio

Current Protocols in Cytometry, 2018, 85 (1), pp.e42. ⟨10.1002/cpcy.42⟩

Article dans une revue hal-01836037v1
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Combining laser diffraction, flow cytometry and optical microscopy to characterize a nanophytoplankton bloom in the Northwestern Mediterranean

R. Leroux , Gérald Grégori , F Carlotti , Karine Leblanc , Melilotus Thyssen et al.

Progress in Oceanography, 2018, 163, pp.248-259. ⟨10.1016/j.pocean.2017.10.010⟩

Article dans une revue hal-01638096v1
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Pico- and nanophytoplankton dynamics in two coupled but contrasting coastal bays in the NW Mediterranean Sea (France)

Floriane Delpy , Bruno Serranito , Jean-Louis Jamet , Gérald Grégori , Christophe Le Poupon et al.

Estuaries and Coasts, In press, 41 (7), pp.2039-2055. ⟨10.1007/s12237-018-0412-9⟩

Article dans une revue hal-01783525v1
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Cryptic oxygen cycling in anoxic marine zones.

Emilio Garcia-Robledo , Cory C Padilla , Montserrat Aldunate , Frank J Stewart , Osvaldo Ulloa et al.

Proceedings of the National Academy of Sciences of the United States of America, 2017, 114 (31), pp.8319-8324. ⟨10.1073/pnas.1619844114⟩

Article dans une revue hal-01580084v1
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Complete mitochondrial genome sequence of the freshwater diatom Asterionella formosa

Adrien Villain , Mila Kojadinovic , Carine Puppo , Laura Prioretti , Pierre Hubert et al.

Mitochondrial DNA Part B Resources, 2017, 2 (1), pp.97 - 98. ⟨10.1080/23802359.2017.1285210⟩

Article dans une revue hal-01760365v1
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Evolution of the scattering properties of phytoplankton cells from flow cytometry measurements

William Moutier , Lucile Duforêt-Gaurier , Melilotus Thyssen , Hubert Loisel , Xavier Mériaux et al.

PLoS ONE, 2017, 12 (7), pp.1-24 / e0181180. ⟨10.1371/journal.pone.0181180⟩

Article dans une revue hal-01622002v1
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The inhibition of TOR in the model diatom Phaeodactylum tricornutum promotes a get-fat growth regime

Laura Prioretti , Luisana Avilan , Fredéric Carrière , Marie-Helene Montane , Ben Field et al.

Algal Research - Biomass, Biofuels and Bioproducts, 2017, 26, pp.265 - 274. ⟨10.1016/j.algal.2017.08.009⟩

Article dans une revue hal-01696878v1

Diazotroph derived nitrogen supports diatom growth in the South West Pacific: A quantitative study using nanoSIMS

Sophie Bonnet , Hugo Berthelot , Kendra Turk-Kubo , Veronique Cornet , Sarah Fawcett et al.

Limnology and Oceanography, 2016, 61 (5), pp.1549-1562. ⟨10.1002/lno.10300⟩

Article dans une revue hal-01443231v1
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A study of microphytoplankton and cyanobacteria consortia in four oligotrophic regimes in the western part of the North Pacific subtropical gyre and in the warm pool

Mathias Girault , Gérald Grégori , Aude Barani , Hisayuki Arakawa

Journal of Plankton Research, 2016, 38 (5), pp.1317-1333. ⟨10.1093/plankt/fbw056⟩

Article dans une revue hal-01389082v1
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Phage-Based Fluorescent Biosensor Prototypes to Specifically Detect Enteric Bacteria Such as E. coli and Salmonella enterica Typhimurium

Manon Vinay , Nathalie Franche , Gérald Grégori , Jean-Raphaël Fantino , Flavie Pouillot et al.

PLoS ONE, 2015, 10 (7), pp.1-17. ⟨10.1371/journal.pone.0131466⟩

Article dans une revue hal-01201336v1
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Heterotrophic prokaryote distribution along a 2300 km transect in the North Pacific subtropical gyre during a strong La Nina conditions: relationship between distribution and hydrological conditions

M. Girault , H. Arakawa , Aude Barani , H. J. Ceccaldi , F. Hashihama et al.

Biogeosciences, 2015, 12 (11), pp.3607-3621. ⟨10.5194/bg-12-3607-2015⟩

Article dans une revue hal-01178745v1
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An annual survey of bacterial production, respiration and ectoenzyme activity in coastal NW Mediterranean waters: temperature and resource controls

B. Céa , Dominique Lefèvre , L. Chirurgien , Patrick Raimbault , N. Garcia et al.

Environmental Science and Pollution Research, 2015, 22 (18), pp.13654-13668. ⟨10.1007/s11356-014-3500-9⟩

Article dans une revue hal-01199850v1

Antifouling Coatings Influence both Abundance and Community Structure of Colonizing Biofilms: a Case Study in the Northwestern Mediterranean Sea

Mercedes Camps , Aude Barani , Gérald Grégori , Agnes Bouchez , Brigitte Le Berre et al.

Applied and Environmental Microbiology, 2014, 80 (16), pp.4821-4831. ⟨10.1128/AEM.00948-14⟩

Article dans une revue hal-03183971v1
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Consequence of a sudden wind event on the dynamics of a coastal phytoplankton community: an insight into specific population growth rates using a single cell high frequency approach

Mathilde Dugenne , Melilotus Thyssen , David Nerini , Claude Manté , Jean-Christophe Poggiale et al.

Frontiers in Microbiology, 2014, 5, ⟨10.3389/fmicb.2014.00485⟩

Article dans une revue hal-01146092v1
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Seasonal variation of stable isotope ratios of size-fractionated zooplankton in the Bay of Marseille (NW Mediterranean Sea)

Daniela Bănaru , Francois Carlotti , Aude Barani , Gérald Grégori , Nada Neffati et al.

Journal of Plankton Research, 2014, 36 (1), pp.145-156. ⟨10.1093/plankt/fbt083⟩

Article dans une revue hal-00872768v1
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Onset of the spring bloom in the northwestern Mediterranean Sea: influence of environmental pulse events on the in situ hourly-scale dynamics of the phytoplankton community structure

Melilotus Thyssen , Gérald Grégori , Jean-Michel Grisoni , Maria-Luiza Pedrotti , Laure Mousseau et al.

Frontiers in Microbiology, 2014, 5, pp.article n°387. ⟨10.3389/fmicb.2014.00387⟩

Article dans une revue hal-01321252v1
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Impact of contaminated-sediment resuspension on phytoplankton in the Biguglia lagoon (Corsica, Mediterranean Sea)

Céline Lafabrie , M. Garrido , Christophe Leboulanger , Philippe Cecchi , Gérald Grégori et al.

Estuarine, Coastal and Shelf Science, 2013, 130, pp.70-80

Article dans une revue hal-00872706v1
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Generalized unmixing model for multispectral flow cytometry utilizing nonsquare compensation matrices

David Novo , Gérald Grégori , Bartek Rajwa

Cytometry Part A, 2013, 83A (5), pp.508-520. ⟨10.1002/cyto.a.22272⟩

Article dans une revue hal-00807657v1
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Distribution of ultraphytoplankton in the western part of the North Pacific subtropical gyre during a strong La Nina condition: relationship with the hydrological conditions

M. Girault , H. Arakawa , Aude Barani , H. J. Ceccaldi , F. Hashihama et al.

Biogeosciences, 2013, 10 (9), pp.5947-5965. ⟨10.5194/bg-10-5947-2013⟩

Article dans une revue hal-00872540v1

Possible bloom of free trichomes in the Bay of Marseille, NW Mediterranean Sea: an anomaly evidenced by flow cytometry

Li Zhao , Michel Denis , Aude Barani , Beatriz Beker , Claude Manté et al.

Journal of Plankton Research, 2012, 34 (8), pp.711-718

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Possible bloom of free trichomes in the Bay of Marseille, NW Mediterranean Sea: an anomaly evidenced by flow cytometry

Li Zhao , Michel Denis , Aude Barani , Beatriz Beker , Claude Manté et al.

Journal of Plankton Research, 2012, 34 (8), pp.711-718. ⟨10.1093/plankt/fbs038⟩

Article dans une revue hal-00721512v1

Hyperspectral cytometry at the single-cell level using a 32-channel photodetector.

Gérald Grégori , Valery Patsekin , Bartek Rajwa , James Jones , Kathy Ragheb et al.

Cytometry. Part A : the journal of the International Society for Analytical Cytology, 2012, 81 (1), pp.35-44. ⟨10.1002/cyto.a.21120⟩

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Erratum: Optimizing the setup of a flow cytometric cell sorter for efficient quantitative sorting of long filaments.

M. A. van Dijk , Gérald Grégori , Hans L. Hoogveld , Machteld Rijkeboer , Michel Denis et al.

Cytometry Part A, 2011, pp.175-176. ⟨10.1002/cyto.a.21016⟩

Article dans une revue hal-00801539v1
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Functional Analysis and Classification of Phytoplankton Based on data from an Automated Flow Cytometer

Anthony Malkassian , David Nerini , M. A. van Dijk , Melilotus Thyssen , Claude Manté et al.

Cytometry Part A, 2011, 79A, pp.263-275. ⟨10.1002/cyto.a.21035⟩

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Characterization of heterotrophic prokaryote subgroups in the Sfax coastal solar salterns by combining flow cytometry cell sorting and phylogenetic analysis

Hana Trigui , Salma Masmoudi , Céline Brochier-Armanet , Aude Barani , Gérald Grégori et al.

Extremophiles, 2011, 15, pp.347-358. ⟨10.1007/s00792-011-0364-5⟩

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Optimizing the Setup of a Flow Cytometric Cell Sorter for Efficient Quantitative Sorting of Long Filamentous Cyanobacteria

M. A. van Dijk , Gérald Grégori , Hans L. Hoogveld , Machteld Rijkeboer , Michel Denis et al.

Cytometry Part A, 2010, 77A, pp.911-924. ⟨10.1002/cyto.a.20946⟩

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Increased bacterial growth efficiency with environmental variability : results from DOC degradation by bacteria in pure culture experiments

Marie Eichinger , Richard Sempere , Gérald Grégori , Bruno Charrìère , Jean-Christophe Poggiale et al.

Biogeosciences Discussions, 2010, 7, pp.787-822

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In situ investigation of Spongia officinalis (Demospongiae) particle feeding : coupling flow cytometry and stable isotope analysis

Nur Eda Tpoçu , T. Pérez , Gérald Grégori , Mireille Harmelin-Vivien

Journal of Experimental Marine Biology and Ecology, 2010, 389, pp.61-69. ⟨10.1016/1.jembe.2010.03.017⟩

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Increased bacterial growth efficiency with environmental variability: results from DOC degradation by bacteria in pure culture experiments

Marie Eichinger , Richard Sempere , Gérald Grégori , Bruno Charrìère , Jean-Christophe Poggiale et al.

Biogeosciences Discussions, 2010, 7 (6), pp.1861-1876,. ⟨10.5194/bg-7-1861-2010⟩

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In situ investigation of Spongia officinalis (Demospongiae) particle feeding: Coupling flow cytometry and stable isotope analysis

N. E. Topcu , T. Perez , G. Gregori , Mireille L. Harmelin-Vivien

Journal of Experimental Marine Biology and Ecology, 2010, 389 (1-2), pp.61-69

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Consumption and release of dissolved organic carbon by marine bacteria in a pulsed-substrate environment : from experiments to modelling

Marie Eichinger , Sebastian, A.L.M. Kooijman , Richard Sempere , Dominique Lefèvre , Gérald Grégori et al.

Aquatic Microbial Ecology, 2009, 56, pp.41-54. ⟨10.3354/ame01312⟩

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Detection of Extracellular Phosphatase Activity at the Single-Cell Level by Enzyme-Labeled Fluorescence and Flow Cytometry : the Importance of Time Kinetics in ELFA Labeling

Solange Duhamel , Gérald Grégori , France van Wambeke , Jiri Nedoma

Cytometry Part A, 2008, 75A, pp.169-168. ⟨10.1002/cyto.a.20686⟩

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Hepatitis B virus X protein increases the Cdt 1 to to geminin ratio inducing DNA re-replication and polyploidy

Lova Rakotomalala , Leo Studach , Wen-Horng Wang , Gérald Grégori , Ronald L Hullinger et al.

Journal of Biological Chemistry, 2008, 283 (42), pp.28729 - 28740. ⟨10.1074/jbc.M802751200⟩

Article dans une revue hal-02406815v1

A method for analysing phosphatase activity in aquatic bacteria at the single cell level using flow cytometry

Solange Duhamel , Gérald Grégori , France van Wambeke , Romain Mauriac , Jiri Nedoma

Journal of Microbiological Methods, 2008, 75, pp.269-278. ⟨10.1016/j.mimet.2008.06.018⟩

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Microenvironment-controlled encapsulation (MiCE) process: Effects of PLGA concentration, flow rate, and collection method on microcapsule size and morphology

Connie Snider , Sang-Youp Lee , Yoon Yeo , Gérald Grégori , J. Paul Robinson et al.

Pharmaceutical Research, 2008, 25, pp.5-15. ⟨10.1007/s11095-007-9456-4⟩

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The emergence of automated high-frequency flow cytometry: revealing temporal and spatial phytoplankton variability

Melilotus Thyssen , Glen A. Tarran , Mikhail V. Zubkov , Ross J. Holland , Gérald Grégori et al.

Journal of Plankton Research, 2008, 30 (3), pp.333-343. ⟨10.1093/plankt/fbn005⟩

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Pressure effects on surface Mediterranean prokaryotes and biogenic silica dissolution during a diatom sinking experiment

Christian Tamburini , J. Garcin , G. Gregori , Karine Leblanc , P. Rimmelin et al.

Aquatic Microbial Ecology, 2006, 43, pp.267-276. ⟨10.3354/ame043267⟩

Article dans une revue hal-00702531v1

Measurement and analysis of angle-resolved scatter from small particles in a cylindrical microchannel

Murugesan Venkatapathi , Gérald Grégori , Kathy Ragheb , J. Paul Robinson , E. Dan Hirleman

Applied optics, 2006, 45, pp.10

Article dans une revue hal-00092687v1

Integrating Cytomics and Proteomics

Tytus Bernas , Gérald Grégori , Eli K. Asem , J. Paul Robinson

Molecular and Cellular Proteomics, 2006, 5.1, pp.2-13

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Dyed microspheres for quantification of UV dose distributions: Photochemical reactor characterization by Lagrangian actinometry

Ernest R. Blatchley , Chengyue Shen , Zorana Naunovic , Lian-Shin Lin , Dennis A. Lyn et al.

JOURNAL OF ENVIRONMENTAL ENGINEERING-ASCE, 2006, 132, pp.1390-1403. ⟨10.1061/(ASCE)0733-9372(2006)132:11(1390)⟩

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Stochastic activation of the response regulator PhoB by noncognate histidine kinases

Lu Zhou , Gérald Grégori , Jennifer Masella Blackman , J. Paul Robinson , Barry Wanner

Journal of Integrative Bioinformatics, 2005, xx (1), pp.1-13. ⟨10.1515/jib-2005-11⟩

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Multispectral cytometry of single bio-particules using a 32-channel detector

J. Paul Robinson , Bartek Rajwa , Gérald Grégori , James Jones , Valery Patsekin

Proceedings of SPIE, the International Society for Optical Engineering, 2005, 5692, pp.359-365

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AOTF-based system for image cytometry

Bartek Rajwa , Wamiq Ahmed , Murugesan Venkatapathi , Gérald Grégori , Feng Jin et al.

Proceedings of SPIE, the International Society for Optical Engineering, 2005, 5694, pp.16-23

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Sustained activation of p38 mitogen-activated protein kinase and c-Jun N-terminal kinase pathways by hepatitis B virus X protein mediates apoptosis via induction of Fas/FasL and tumor necrosis factor (TNF) receptor 1/TNF-alpha expression.

Wen-Horng Wang , Gérald Grégori , Ronald L Hullinger , Ourania M Andrisani

Molecular and Cellular Biology, 2004, 24 (23), pp.10352-65. ⟨10.1128/MCB.24.23.10352-10365.2004⟩

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Differential oxidative damage and expression of stress defence regulons in culturable and non-culturable Escherichia coli cells

Benoit Desnues , Caroline Cuny , Gérald Grégori , Sam Dukan , Hugo Aguilaniu et al.

EMBO Reports, 2003, 4 (4), pp.400-404. ⟨10.1038/sj.embor.embor799⟩

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Nanoflagellate predation on auto- and heterotrophic picoplankton in the oligotrophic Mediterranean Sea

Urania Christaki , A Giannakourou , France van Wambeke , Gérald Grégori

Journal of Plankton Research, 2001, 23 (11), pp.1297-1310. ⟨10.1093/plankt/23.11.1297⟩

Article dans une revue hal-00801542v1

Phytoplankton group dynamics in the Bay of Marseilles during a 2-year survey based on analytical flow cytometry

Gérald Grégori , A Colosimo , Michel Denis Article dans une revue hal-00802074v1

Resolution of viable and membrane-compromised bacteria in freshwater and marine waters based on analytical flow cytometry and nucleic acid double staining.

Gérald Grégori , S. Citterio , A. Ghiani , M. Labra , S. Sgorbati et al.

Applied and Environmental Microbiology, 2001, 67 (10), pp.4662-70. ⟨10.1128/AEM.67.10.4662-4670.2001⟩

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Oceanic Fine-Scale Circulation and Nutricline: Unveiling Uncertainty and Variability

Aude Joël , Andrea M. Doglioli , Léo Berline , Anthony Bosse , Léa Buniak et al.

EGU General Assembly 2025, Apr 2025, Vienna (AUSTRIA), Austria. ⟨10.5194/egusphere-egu25-9945⟩

Communication dans un congrès hal-04992839v1

Internal wave-eddy interactions, turbulence and mixing during the 2023 BioSWOT-MED cruise

Robin Rolland , Pascale Bouruet-Aubertot , Yannis Cuypers , Elvira Pulido-Villena , Anthony Bosse et al.

European Geosciences Union General Assembly 2024 (EGU24), EGU, Apr 2024, Vienne, Austria. ⟨10.5194/egusphere-egu24-17494⟩

Communication dans un congrès insu-04725901v1

Adapting in situ sampling strategies to SWOT-scale studies: The BioSWOT-Med campaign example as part of the SWOTAdopt-a-Crossover Consortium

Louise Rousselet , Andrea M. Doglioli , Anne Petrenko , Stéphanie Barrillon , Maristella Berta et al.

European Geosciences Union General Assembly 2024 (EGU24), EGU, Apr 2024, Vienne, Austria. ⟨10.5194/egusphere-egu24-7789⟩

Communication dans un congrès insu-04725921v1

Complex 3-D oceanic velocities at SWOT scales exhibited during the spring 2023 BioSWOTMed cruise

Anne Petrenko , Maxime Arnaud , Stéphanie Barrillon , Caroline Comby , Jean-Luc Fuda et al.

European Geosciences Union General Assembly 2024 (EGU24), EGU, Apr 2024, Vienne, Austria. ⟨10.5194/egusphere-egu24-17343⟩

Communication dans un congrès insu-04725903v1
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Vertical velocities in the Northwestern Mediterranean Sea: combining in situ and modeling approach

Caroline Comby , Anne Petrenko , Claude Estournel , Patrick Marsaleix , Jean-Luc Fuda et al.

EGU General Assembly 2022, May 2022, Vienne, Austria. pp.EGU22-3920, ⟨10.5194/egusphere-egu22-3920⟩

Communication dans un congrès hal-04184235v1
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Mesozooplankton variability in the Bay of Marseille (NW Mediterranean): towards understanding the trophic context of small pelagics

Théo Garcia , Daniela Bănaru , Loïc Guilloux , Véronique Cornet , Gérald Gregori et al.

SIBECOL-AIL Meeting 2ndMeeting of the Iberian Ecological Society (SIBECOL) XXI conference of the Iberian Association of Limnology (AIL) 21stNational Congress of the Portuguese Ecological Society (SPECO), Center for Environmental and Marine stusies at University of Aveiro, Portugal., Jul 2022, Aveiro, Portugal

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Recent progress in the study of fine-scale physical-biological coupling in the Mediterranean Sea.

Roxane Tzortzis , Andrea M. Doglioli , Stéphanie Barrillon , Anne Petrenko , Francesco d'Ovidio et al.

EGU General Assembly 2021, Apr 2021, Vienne, Austria. ⟨10.5194/egusphere-egu21-7133⟩

Communication dans un congrès hal-03375405v1

A new approch for measuring oceanic vertical velocities

Jean-Luc Fuda , Stéphanie Barrillon , Andrea M. Doglioli , Anne Petrenko , Gérald Grégori et al.

EGU General Assembly 2021, Apr 2021, On Line, Austria

Communication dans un congrès hal-03396001v1
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Study of fine-scale dynamics and their coupling with biogeochemistry - FUMSECK cruise

Stéphanie Barrillon , Caroline Comby , Jean-Luc Fuda , Anne Petrenko , Melilotus Thyssen et al.

EGU General Assembly 2021, Apr 2021, Vienne, Austria. ⟨10.5194/egusphere-egu21-7199⟩

Communication dans un congrès hal-03375185v1

Recent research developments in automated flow cytometry unravel multiple drivers of aquatic microbial diversity

Mathilde Dugenne , Angelicque White , Gérald Grégori , Melilotus Thyssen , Luis Felipe Artigas et al.

ASLO 2021 Aquatic Sciences Meeting, Association for the Sciences of Limnology and Oceanography, Jun 2021, Online, France

Communication dans un congrès hal-03419345v1

Working towards integration of new data describing biological essential ocean variables from marine coastal ecosystems

Veronique Creach , Patricia Cabrera , Luis Felipe Artigas , Gérald Grégori , Jean-Olivier Irisson et al.

ASLO 2021 Aquatic Sciences Meeting, Association for the Sciences of Limnology and Oceanography, Jun 2021, Virtual, Unknown Region

Communication dans un congrès hal-04026440v1

Phytoplankton distribution in the Western Mediterranean sea using automated flow cytometry onboard the ferryline "Le Carthage" (CTN)

Pierre Marrec , Cherif Sammari , Sana Ben Ismail , Anis Ben Ismail , Gérald Grégori et al.

Ferrybox workshop, Mar 2021, On-line, France

Communication dans un congrès hal-03436582v1
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Une nouvelle approche pour mesurer la composante verticale des courants océaniques

Jean-Luc Fuda , Stéphanie Barrillon , Nagib Bhairy , Hubert Branger , Caroline Comby et al.

Journées Drones & Capteurs embarqués 2021, Drones & Cap', Sep 2021, Saint-Pierre-d’Oléron, France

Communication dans un congrès hal-03575152v1
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New insights for direct in situ measurement of oceanic vertical velocities in fine-scale studies.

Caroline Comby , Stéphanie Barrillon , Jean-Luc Fuda , Andrea M. Doglioli , Roxane Tzortzis et al.

EGU General Assembly 2021, Apr 2021, online, Austria. ⟨10.5194/egusphere-egu21-4632⟩

Communication dans un congrès hal-03377993v1

Standard vocabulary, consensual functional groups and automated classification for phytoplankton high throughput datasets using automated flow cytometry

Melilotus Thyssen , Robin Fuchs , Véronique Créach , Luis Felipe Artigas , Gérald Grégori et al.

ASLO 2021 Aquatic Sciences Meeting, Association for the Sciences of Limnology and Oceanography, Jun 2021, online, France

Communication dans un congrès hal-03419497v1

Dynamics of the phytoplankton community structure in the western Mediterranean Sea using automated flow cytometry on a Voluntary Observing Ship during fall/winter.

Pierre Marrec , Cherif Sammari , Anis Ben Ismail , Sana Ben Ismail , Gérald Grégori et al.

ASLO 2021, Jun 2021, on-line, France

Communication dans un congrès hal-03419485v1

Towards integration of new data describing biological essential ocean variables from marine coastal ecosystems.

Véronique Creach , Patricia Cabrera , Luis Felipe Artigas , Gérald Grégori , Jean-Olivier Irrisson et al.

ASLO 2021 - Aquatic Sciences for a Sustainable Future: Nurturing Cooperation, Association for the Sciences of Limnology and Oceanography, Jun 2021, On line, France

Communication dans un congrès hal-03419320v1
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Combining remote sensing and in situ observations to study the physical-biological coupling at fine scale: recent Mediterranean campaigns and outlook

Andrea M. Doglioli , Gérald Grégori , Francesco d'Ovidio , Anne Petrenko , Stéphanie Barrillon et al.

EGU General Assembly 2020, EGU, May 2020, On line, France. ⟨10.5194/egusphere-egu2020-7356⟩

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A Lagrangian strategy for in situ sampling the physical-biological coupling at fine scale : the PROTEVSMED-SWOT 2018 cruise

Roxane Tzortzis , Andrea M. Doglioli , Stéphanie Barrillon , Anne Petrenko , Francesco d'Ovidio et al.

EGU General Assembly 2020, May 2020, On-line, France. ⟨10.5194/egusphere-egu2020-7357⟩

Communication dans un congrès hal-02968298v1

Towards a global in situ monitoring of plankton using imaging systems: lessons learnt from the past 10 years of observation in Europe

Lars Stemmann , Jean-Baptiste Romagnan , Alain Lefebvre , Gérald Grégori , Jean-Olivier Irisson et al.

2019 IMBeR Open Science Conference, Integrated Marine Biosphere Research - IMBeR, Jun 2019, Brest, France

Communication dans un congrès hal-04026399v1

Mapping the planktonic community across submesoscale physical features: the 2015 OSCAHR cruise in the NW Mediterranean

Andrea M. Doglioli , Gérald Grégori , Melilotus Thyssen , Thibaut Wagener , Pierre Marrec et al.

48th International Liège Colloquium on Ocean Dynamics, May 2016, Liège, Belgium

Communication dans un congrès hal-01345522v1

Suivi in situ et à haute fréquence de la dynamique des assemblages phytoplanctoniques dans l'étang de Berre

Anthony Malkassian , Claude Manté , Melilotus Thyssen , David Nerini , Fabrice Garcia et al.

Lagun'R - Rencontres scientifiques autour de l'étang de Berre, Mar 2011, Aix-en-Provence, France. pp.183-192

Communication dans un congrès hal-00808124v1
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Marine biofilm communities colonizing antifouling paints in the Mediterranean Sea

Mercedes Camps , Gérald Grégori , Agnes Bouchez , Aude Barani , Brigitte Le Berre et al.

14th International Congress : The power of the small, International Society for Microbial Ecology (ISME). Copenhagen, INT., Aug 2012, Copenhagen, Denmark

Communication dans un congrès hal-02807526v1

Antifouling coatings : in vitro bioassay vs marine biofilm communities

Mercedes Camps , Gérald Grégori , Agnes Bouchez , Aude Barani , Brigitte Le Berre et al.

16th International Congress on Marine Corrosion and Fouling, Comité International Permanent pour la Recherche sur la Préservation des Matériaux en Milieu Marin ((COIPM).). Seattle, INT., Jun 2012, Seattle, United States

Communication dans un congrès hal-02805263v1

Measurement and analysis of angle-resolved scatter from small particles in a cylindrical microchannel

M Venkatapathi , Gérald Grégori , K Ragheb , Jp Robinson , Ed Hirleman

Conference on Photon Correlation and Scattering, Aug 2004, Amsterdam (NETHERLANDS), France. pp.2222-2231

Communication dans un congrès hal-00691264v1

Dans une cuillerée d'eau de mer, un univers!

Gérald Grégori , Charles François Boudouresque

Charles-François Boudouresque; Michèle Perret-Boudouresque. La mer dans tous ses états, Edition Emile Communication, 2024, 978-2-493104-09-0

Chapitre d'ouvrage hal-05355648v1

Les principes de la cytométrie en flux

Pierre Grenot , Gérald Grégori , J.F. Mayol , Didier Grunwald , Christophe Duperray

La Cytométrie en flux (2ème Ed.), 2020

Chapitre d'ouvrage hal-03147931v1

Biogeochemical Cycles

Jean-Claude Bertrand , Patricia Bonin , Pierre Caumette , Jean-Pierre Gattuso , Gérald Grégori et al.

Jean-Claude Bertrand; Pierre Caumette; Philippe Lebaron; Robert Matheron; Philippe Normand; Télesphore Sime-Ngando. Environmental Microbiology: Fundamentals and Applications, Springer Netherlands, pp.511-617, 2015, 978-94-017-9118-2. ⟨10.1007/978-94-017-9118-2_14⟩

Chapitre d'ouvrage hal-02457918v1

Les cycles géochimiques. Chapitre 14

Jean-Claude Bertrand , Patricia Bonin , Pierre Caumette , Jean-Pierre Gattuso , Gérald Grégori et al.

Ecologie Microbienne : Microbiologie des milieux naturels et anthropisés, Presses Universitaires de Pau et des Pays de l'Adour, 1004 p., 2011, 2-35311-022-3 9782353110223

Chapitre d'ouvrage hal-02811238v1

Analyse de l'ADN et du cycle cellulaire des bactéries marines par cytométrie en flux

Gérald Grégori

Grunwald D., Ronot D., Mayol J.F. Cycle cellulaire et cytométrie en flux, Lavoisier, pp.282, 2010

Chapitre d'ouvrage hal-00701168v1

Detection of Extracellular Phosphatase Activity of Heterotrophic Prokaryotes at the Single‐Cell Level by Flow Cytometry

Solange Duhamel , Gérald Grégori , France van Wambeke , Jiri Nedoma

J. Paul Robinson, Zbigniew Darzynkiewicz, et al. Current Protocols in Cytometry, John Wiley & Sons, Inc., pp.49:11.18.1-11.18.8., 2009

Chapitre d'ouvrage hal-00692148v1

Detection of extracellular phosphatase activity of heterotrophic prokaryotes at the single cell level by flow cytometry

Solange Duhamel , Gérald Grégori , France van Wambeke , Jiri Nedoma

J. Paul Robinson, Zbigniew Darzynkiewicz, et al. Current Protocols in Cytometry, John Wiley & Sons, Inc., pp.11.18.1-11.18.8., 2009

Chapitre d'ouvrage hal-00742395v1

Le picoplancton photosynthétique

Loïc Charpy , Gérald Grégori , Martine Rodier

Muséum National d'Histoire Naturelle. Clipperton : environnement et biodiversité d'un microcosme océanique, IRD Editions, pp.83-88, 2009, Patrimoines naturels 68

Chapitre d'ouvrage hal-00403900v1
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Review of existing and emerging technologies for pelagic biodiversity observations

M Palazot , Luis Felipe Artigas , V Créach , L Boicenco , T Børsen et al.

OBAMA-NEXT, OBSERVING AND MAPPING MARINE ECOSYSTEMS – NEXT GENERATION TOOLS (Grant Agreement: 101081642) project is funded by the European Union under the Horizon Europe programme (grant agreement no. 101081642). 2024

Rapport hal-05354628v1
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Biological applications of the satellite Surface Water and Ocean Topography in the Mediterranean

Andrea M. Doglioli , Gérald Grégori , Francesco d'Ovidio , Anthony Bosse , Elvira Pulido-Villena et al.

Ref. Rapport de campagne, Université Aix Marseille. 2024

Rapport hal-04737346v1
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FUMSECK cruise report

Stéphanie Barrillon , Hubert Bataille , Nagib Bhairy , Caroline Comby , Théo Coulon et al.

[Technical Report] MIO-Mediterranean Institute of Oceanography, Aix-Marseille Université. 2020

Rapport (rapport technique) hal-03007230v1
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OSCAHR (Observing Submesoscale Coupling At High Resolution) cruise report

Andrea M. Doglioli , Gérald Grégori , P Marrec , Melilotus Thyssen , Thibaut Wagener et al.

[Research Report] MIO-Mediterranean Institute of Oceanography, Aix-Marseille Université. 2016

Rapport (rapport de recherche) hal-03547139v1