Michel DENIS

Fonction actuelle [current position] : DR2 CNRS, Biophysique, analyse individuelle des cellules

michel-denis.jpg

Address Luminy, TPR1, RDC Entrée F
Tel: 33 491 829114

Fax: 33 491 829641
michel.denis@com.univmed.fr
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THEMES DE RECHERCHE [AREAS OF RESEARCH]
  • Etude des distributions spatiales et temporelles des microorganismes marins à l'échelle individuelle des cellules, fonctions cellulaires (viabilité, respiration), observation in situ du phytoplancton par cytométrie en flux
  • Technique : Cytometrie en FLux, tri cellulaire, cytométrie en flux immergée, microscopie à épifluorescence, polarographie haute résolution, spectrométrie d'absorption à double longueur d'onde, photolyse éclair, basse température, potentiométrie

    • DIPLOMES
  • doctorat d'Etat année: 1976

    FONCTIONS ANTERIEURES [PREVIOUS POSITIONS]
  • UMR 6535 - COM 1992 DR2 CNRS
  • URA 41 - COM 1985 CR1 CNRS
  • Laboratoire de Physiologie Cellulaire  1969  CR2 CNRS

    • PUBLICATIONS

    [446] Thyssen, M.,Garcia, N.,Denis, M. (2008) Sub meso scale phytoplankton distribution in the north east Atlantic surface waters determined with an automated flow cytometer. Biogeoscience Discussion. Under review
    [445] Thyssen, M.,Mathieu, D.,Garcia, N.,Denis, M. (2008 (In Press) ) Short-term variation of phytoplankton assemblages in Mediterranean coastal waters recorded with an automated submerged flow cytometer. Journal of Plankton Research sous presse
    [440] Karayanni, H.,Christaki, U.,Van-wambeke, F.,Thyssen, M.,Denis, M. (2008) Heterotrophic nanoflagellate and ciliate bacterivorous activity and growth in oceanic waters: a seasonal study at mesoscale in NE Atlantic.. Aquatic Microbial Ecology, 51:169-181.
    [394] Fernandez ibanez, C.,Thyssen, M.,Denis, M., (2007) Microbial community structure along 18°W (39°N - 44.5°N) in the NE Atlantic in late summer 2001 (POMME programme).. Journal of Marine Systems
    [312] Gogniat, G.,Thyssen, M.,Denis, M.,Pulgarin, C.,Dukan, S. (2006) The bactericidal effect of TiO2 photocatalysis involves adsorption onto catalyst and the loss of membrane integrity. FEMS Microbiology Letters
    [340] Sakr, S.,Thyssen, M.,Denis, M.,Zhang, C., (2006) Relationship among Several Key Cell Cycle Events in the Developmental Cyanobacterium Anabaena sp. Strain PCC 7120. J. Bacteriol.188: 5958-5965
    [207] Thyssen, M.,Lefèvre, D.,Caniaux, G.,Ras, J.,Fernández ibanez, C.,Denis, M. (2005 (In Press) ) Spatial distribution of heterotrophic bacteria in the North East Atlantic (POMME study area) during Spring 2001. Journal Of Geophysical Research (.)
    [210] Maixandeau, A.,Lefèvre, D.,Karayanni, H.,Christaki, U.,Van wambeke, F.,Thyssen, M.,Denis, M.,Fernández i., F.,Uitz, J.,Leblanc, K.,Quéguiner, Q. (2005) Microbial community production, respiration and structure of the microbial food web of an ecosystem in the Northeastern Atlantic Ocean. Journal of Geophysical Research, vol 110, C07S17, doi:1029/2004JC002694.
    [225] Karayanni, H.,Christaki, U.,Van wambeke, F.,Denis, M.,Moutin, T., (2005) Influence of ciliated protozoa and heterotrophic nanoflagellates on the fate of primary production in NE Atlantic Ocean.. Journal of Geophysical Research, vol 110, C07S15, doi:10.1029/2004JC002602
    [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.
    [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.
    [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.
    [156] Denis, M.,Martin, V.,Andersen, V., (2000) Short-term variations of the vertical distribution of cyanobacteria in the open Mediterranean Sea.. Scientia Marina 64(2): 157-163.

     

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