Gerald GREGORI

Fonction actuelle [current position] : CR2 CNRS, Activites cellulaires ; echelle cellulaire

gerald-gregori.jpg

Address TPR1, RDC, equipe 2, Luminy
Tel: 0491829114

Fax: 33 491 829 641
gerald.gregori@com.univmed.fr
Page personnelle www.com.univ-mrs.fr/PRECYM

 

THEMES DE RECHERCHE [AREAS OF RESEARCH]
  • - Caractérisation des assemblages microbiens à l'échelle individuelle des cellules. - Mesures de respiration.
  • Technique : Cytométrie en flux, Microscopie optique, Microscopie à épifluorescence, Respirométrie

    • DIPLOMES
  • Doctorat en Sciences de l'Environnement Marin année: 2001

    FONCTIONS ANTERIEURES [PREVIOUS POSITIONS]
  • Purdue University (West-Lafayette, Indiana, USA) 2002 Postdoctoral Research Associate
  • Centre d'Oceanologie de Marseille (OSU) 2002 Attache Temporaire a l'Enseignement et a la Recherche (ATER)
  • Centre d'Oceanologie de Marseille (OSU)  2002  Ingenieur de Recherche

    • PUBLICATIONS

    [474] Eichinger, M.,Koojman, S.,Sempéré, R.,Lefèvre, D.,Gregori, G.,Charrière, B.,Poggiale, J.C. (2009) DOC consumption and release by marine bacteria in pulsed-substrate environment: from experiments to modelling. Aquatic Microbial Ecology ,56 : 41-54
    [465] Duhamel, S.,Grégori, G.,Van wambeke, F.,Nedoma, J., (2009) Detection of extracellular phosphatase activity at the single cell level by enzyme-labelled fluorescence and flow cytometry: the importance of time kinetics in ELFA labelling.. Cytometry 75A Issue 2 : 163 - 168
    [473] Duhamel, S.,Gregori, G.,Van-wambeke, F.,Nedoma, J., (2009) etection of Extracellular Phosphatase Activity of Prokaryotes at the Single Cell Level by Flow. Current Protocols in Cytometry (sous-presse)
    [479] Charpy, L.,Grégori, G.,Rodier, M., (2009) Le picoplancton photosynthétique.. In : Clipperton, environnement et biodiversité d’un microcosme océaniquecpn 68. Etienne J.L., Ed : 83-88. ISBN : 978-2-7099-1660-8
    [424] Thyssen, M.,Tarran, G.A.,Zubkov, M.,Holland, R.J.,Gregori, G.,Burkill, P.H.,Denis, M.² (2008) The emergence of automated high frequency flow cytometry: revealing temporal and spatial phytoplankton variability. Journal Plankton Res 30 (3), 333-343.
    [448] Rakotomalala, L.,Studach, L.,Wang, W.,Gregori, G.,Hullinger, R.L.,Andrisani, O., (2008) Hepatitis B virus X protein increases the Cdt 1 to geminin ratio inducing DNA re-replication and polyploidy. J. Biol. Chem., Vol. 283, Issue 42, 28729-28740
    [450] Duhamel, S.,Gregori, G.,Van-wambeke, F.,Mauriac, R.,Nedoma, J., (2008) A method for analyzing phosphatase activity in aquatic bacteria at the single cell level using flow cytometry.. Journal of Microbiological Methods, 75:269-278
    [405] Robinson, P.,Rajwa, B.,Gregori, G.,Patsekin, V., (2007) Multi-spectral detector and analysis system. US Patent n°. 7280204 B
    [404] Snider, C.,Lee, S.,Yeo, Y.,Gregori, G.,Robinson, J.P.,Park, K., (2007) Microenvironment-Controlled Encapsulation (MiCE) Process: Effects of PLGA Concentration, Flow Rate, and Collection Method on Microcapsule Size and Morphology. Pharmaceutical Research
    [294] Blatchley, E.,Shen, S.,Naunovic, Z.,Lin, L.,Lyn, D.,Robinson, J.,Ragheb, K.,Gregori, G.,Bergstrom, D.,Fang, S.,Jennings, K.,Gunaratna, N. (2006) Photochemical reactor characterization by Lagrangian actinometer. Journal of Environmental Engineering, ASCE
    [295] Robinson, J.P.,Gregori, G., (2006) Principles of Flow Cytometry. In Flow Cytometry with Plant Cells. Dolezel, Greilhuber, Suda (Eds.)
    [296] Venkatapathi, M.,Gregori, G.,Ragheb, K.,Robinson, J.P.,Hirleman, E.D., (2006) Measurement and analysis of angle resolved scatter from small particles in a micro-channel. Applied Optics45: 2222-2231.
    [297] Bernas, T.,Gregori, G.,Asem, E.K.,Robinson, J.P., (2006) Integrating cytomics and proteomics. Molecular and cellular proteomics 5: 2-13
    [318] Tamburini, C.,Garcin, J.,Grégori, G.,Leblanc, K.,Kirchman, D.L., (2006) Pressure effects on surface Mediterranean prokaryotes and biogenic silica dissolution during a diatom sinking experiment.. Aquatic Microbial Ecology 43(3): 267-276
    [475] Blatchley, E.R.,Shen, C.,Naunovic, Z.,Lin, L.S.,Lyn, D.A.,Robinson, J.P.,Ragheb, K.,Grégori, G.,Bergstrom, D.E.,Fang, S.,Guan, Y., (2005) Numerical and Experimental Characterizations of Dose Distributions in Ultraviolet Disinfection Systems. Water Environment Research Foundation, Alexandria, VA.
    [298] Robinson, J.P.,Rajwa, B.,Gregori, G.,Jones, J.,Patsekin, V., (2005) Multispectral cytometry of single bio-particles using a 32-channel detector. Proceedings of SPIE -- Volume 5692 Advanced Biomedical and Clinical Diagnostic Systems III, Tuan Vo-Dinh, Warren S. Grundfest, David A. Benaron, Gerald E. Cohn, Editors: 359-365.
    [299] Rajwa, B.,Ahmed, W.,Venkatapathi, M.,Gregori, G.,Jin, F.,Soos, J.,Trivedi, S.,Robinson, J.P., (2005) AOTF-based system for image cytometry. Proceedings of SPIE -- Volume 5694 Spectral Imaging: Instrumentation, Applications, and Analysis III, Gregory H. Bearman, Anita Mahadevan-Jansen, Richard M. Levenson, Editors: 16-23.
    [300] Zhou, L.,Gregori, G.,Blackman, J.M.,Robinson, J.P.,Wanner, B.L., (2005) Stochastic activation of the response regulator PhoB by noncognate histidine kinases.. In: Yearbook Bioinformatics 2005, R. Hofestädt (ed.), pp. 25-38. Magdeburg: IMBio, Informationsmanagement in der Biotechnologie e.V..
    [325] Robinson, J.P.,Patsekin, V.,Gregori, G.,Rajwa, B.,Jones, J., (2005) Multispectral Flow Cytometry: Next Generation Tools for Automated Classification.. Microscopy and Microanalysis 11: 2-3.
    [301] Wang, W.H.,Gregori, G..,Hullinger, R.L.,Andrisani, O.M., (2004) 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. Mol Cell Biol. 24(23):10352-65.
    [187] Gregori, G.,Denis, M.,Lefèvre, D.,Romano, J.C., (2003) Viabilité des bactéries hétérotrophes dans la baie de Marseille.. Comptes Rendus Biologie 326 : 739-750
    [302] Gregori, G.,Denis, M.,Sgorbati, S.,Citterio, S., (2003) Resolution of viable and compromised-membrane bacteria in aquatic environments by flow cytometry. Current Protocols in Cytometry (J.P. Robinson, Z. Darzynkiewicz, W.C. Hyun, A. Orfao, and P.S. Rabinovitch, eds.) pp 11.15.1-11.15.7. J.Wiley & Sons, inc., New York.
    [303] Desnues, B.,Cuny, C.,Gregori, G.,Dukan, S.,Aguilaniu, H.,Nystrom, T., (2003) Differential oxidative damage and expression of stress defence regulons in culturable and non-culturable Escherichia coli cells. EMBO Reports 4 (4): 400-404
    [304] Gregori, G.,Denis, M.,Lefèvre, D.,Becker, B., (2003) A flow cytometric approach to assess phytoplankton respiration. Methods in Cell Science 24: 99-106.
    [305] Gregori, G., (2002) Ultraplancton dans la baie de Marseille : séries temporelles, viabilité bactérienne et mesure de la respiration par cytométrie en flux.. J. Rech. Océanogr. 27 : 109-111.
    [234] Christaki, U.,Giannakourou, A.,Van wambeke, F.,Gregori, G., (2001) Nanoflagellate predation on auto- and heterotrophic picoplankton in the oligotrophic Mediterranean Sea.. Journal of Plankton Research, 23 : 1297 - 1310
    [306] Gregori, G.,Colosimo, A.,Denis, M., (2001) Phytoplankton group dynamics in the bay of Marseilles during a 2-year survey based on analytical flow cytometry. Cytometry 44: 247-256
    [307] Gregori, G.,Citterio, S.,Ghiani, A.,Labra, M.,Sgorbati, S.,Brown, S.,Denis, M., (2001) Resolution of viable and membrane compromised bacteria in fresh and marine waters based on analytical flow cytometry and nucleic acid double staining. Appl. Environ. Microbiol.67: 4662-4670.
    [308] Christaki, U.,Giannakourou, A.,Van wambeke, F.,Gregori, G., (2000) Picoplankton and nanoplankton coupling in the euphotic zone of the Mediterranean Sea.. CIESM Workshop Series 11 : 25-26

     

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