Maître de conférence Sorbonne Université

Mes thèmes de recherche concernent la physiologie adaptative chez les organismes photosynthétiques marins


  • 2015            Habilitation à Diriger des Recherches à l'Université Pierre et Marie Curie (Paris VI)
  • 2008            Nomination aux fonctions de Maître de Conférences de l’Université Pierre et
                         Marie Curie (Paris VI), section 66 « Physiologie »
  • 2005-07      Stage post-doctoral à l’Université de Mt Allison (Canada)
  • 2002-05      Doctorat en Biologie Marine de l’Université Pierre et Marie Curie (Paris VI)
  • 2001            Master d’Océanologie biologique et Environnement Marin, Université Pierre et
                         Marie Curie de Paris (Paris VI).


Niveau Licence : Botanique des milieux terrestres, Ecologie végétale, Physiologie végétale, Biochimie structurale des composés lipidiques

Niveau Master : Phycologie fondamentale, Physiologie des végétaux marins, Biologie intégrative du phytoplancton

Impliqué dans 12 Unités d'Ensignement des diplomes de Sorbonne Universités, responsable de 2 Unités d'Enseignement dans la licence Biologie-Mathématiques et d'une Unité d'Enseignement  dans la Master Sciences de la Mer.


Editeur associé de la revue "Cahiers de Biologie Marine" (CBM, Station Biologique de Roscoff)

Membre du conseil de laboratoire de l'UMR 7144 SU-CNRS "Adaptation et Diversité en Milieu Marin"



  • 2018    Pittera J, Jouhet J, Garczarek L, Partensky F, Breton S, Maréchal E, Nguyen NA, Doré H, Ratin M D Scanlan, F Pitt & C Six. Thermoacclimation and genome adaptation of the membrane lipidome and related adaptation processes in marine Synechococcus picocyanobacteria. Environmental Microbiology 20(2):612-631. doi: 10.1111/1462-2920.13985
  • 2018     Partensky F, Six C, Ratin M, Garczarek L, Gourvil P, Probert I, Le Panse S, Marie D, Vaulot D, Garrido JL & F Rodríguez. The cyanobacterium Acaryochloris thomasi sp. nov. contains chlorophyll a and b but no chlorophyll d. Scientific Reports 8:9142.
  • 2018     Zhong, X K, Derelle E, Baudoux A C, Colombet J, Cho A, Caleta J, Suttle C A, Six C & S  Jacquet. A new and original freshwater cyanosiphovirus harbouring integrase as well as genes related to iron-acquisition and resistance against phages. Frontiers in Microbiology 9:2204.
  • 2018     Partensky F, Mella-Flores D, Six C, Garczarek L, Czjzek M, Kotabová E, Felcmanová K, & O Prášil. Comparison of photosynthetic performances of marine picocyanobacteria with different configurations of the oxygen evolution cluster. Photosynthesis Research. doi: 10.1007/s11120-018-0539-3
  • 2017    Pittera J, Partensky F & C Six. Adaptive thermostability of light-harvesting complexes in marine picocyanobacteria. The ISME Journal, 11(1):112-124 doi: 10.1038/ismej.2016.102
  • 2014     Pittera J, Humily F, Ratin M, Thorel M, Garczarek L & C Six. Connecting thermal physiology and latitudinal niche partitioning in marine Synechococcus. The ISME Journal 1-16 doi:10.1038.
  • 2013     Humily F, Partensky F, Six C, Farrant G, Ratin M, Marie D, Kehoe DM & L Garczarek. A specific gene island with a dual evolutionary origin is involved in chromatic acclimation in marine Synechococcus. PLoS One 8(12) e84459.
  • 2013     Bretaudeau A, Coste F, Humily F, Garczarek L, Six C, Ratin M, Collin O, Schluchter W & F Partensky. CyanoLyase: a database of phycobilin lyase sequences, motifs and functions. Nucleic Acids Research, 1–6 doi:10.1093/nar/gks1091.
  • 2012     Mella-Flores D, Six C, Ratin, M, Partensky F, Boutte C, Marie D, Blot N, Kolowrat C & L Garczarek. Prochlorococcus and Synechococcus have evolved different adaptive mechanisms to cope with light and UV stress. Frontiers in Aquatic Microbiology, doi: 10.3389/fmicb.2012.00285.
  • 2011     Blot N, Mella-Flores D, Six C, Le Corguillé G, Boutte C, Peyrat A, Monnier A, Ratin M, Gourvil P, Campbell DA and Garczarek L. Light history influences the response of the marine cyanobacterium Synechococcus sp. WH7803 to oxidative stress. Plant Physiology, 156(4):1934-54.
  • 2008     Boulay C, Abasova L, Six C, Vass I & Kirilovsky D, Occurrence and function of the  orange carotenoid protein in photoprotective mechanisms in various cyanobacteria.  Biochimica Biophysica Acta Bioenergetics 1777 (10):1344-1354.
  • 2008     Garczarek L, Dufresne A, Cockshutt AM, Peyrat A, Campbell DA, Joubin L & Six C,  Function and evolution of the psbA gene family in marine Synechococcus : Synechococcus  sp. WH7803 as a case study. The ISME Journal 2 (9) 937-953.
  • 2007     Six C, Finkel ZF, Irwin AJ & Campbell DA, Light variability illuminates niche partitioning among marine picocyanobacteria. Public Library of Science One 2 (12) e1341.
  • 2007     Six C, Thomas JC, Garczarek L, Ostrowski M, Dufresne A, Blot N, Scanlan D, &. Partensky F, Diversity and evolution of phycobilisomes in marine Synechococcus spp. – a comparative genomic study. Genome Biology 8 (12).
  • 2007     Six C, Joubin L, Partensky F, Holtzendorff J & Garczarek L. UV-induced phycobilisome dismantling in the marine picocyanobacterium Synechococcus sp. WH8102. Photosynthesis Research 92(1):75-86.
  • 2006     Everroad C & Six C, Thomas JC, Holtzendorf J, Partensky F & Wood M, Biochemical bases of the chromatic adaptation group IV in marine Synechococcus. Journal of Bacteriology 188(9) 3345-3356.
  • 2005     Six C, Thomas JC, Thion L, Palenik B, Lemoine Y, Zal, F & Partensky F, Two novel phycoerythrin-associated linker proteins in the marine cyanobacterium Synechococcus sp. WH8102. Journal of Bacteriology 187(5) 1685-1694.
  • 2004     Six C, Thomas JC, Brahamsha B, Lemoine Y & Partensky F, Photophysiology of the marine cyanobacterium Synechococcus sp. WH8102, a new model organism. Aquatic Microbial Ecology 35:17-29.



  • 2018     Demory D, Baudoux AC, Monier A, Simon N, Six C, Ge P, Rigaut-Jalabert F, Marie D, Sciandra A, Bernard O &, and S Rabouille. The Micromonas genus: sentinel of a warming ocean. The ISME Journal 13:132–146.
  • 2018     Villar E, Dani V, Bigeard E, Linhart T, Mendez M, Bachy C, Six C, Lombard F, Sabourault C & F Not. Symbiont chloroplasts remain active during bleaching-like response induced by thermal stress in Collozoum pelagicum (Collodaria, Retaria). Frontiers Microbiology 5:387
  • 2017     Botebol H, Lelandais G, Six C, Lesuisse E, Meng A, Bittner L, Lecrom S, Sutak R, Lozano J C, Schatt P, Vergé V, Blain S & FY Bouget. Acclimation of a low iron adapted Ostreococcus strain to iron limitation through cell biomass lowering. Scientific Reports 7:327.
  • 2017     Simon N, Foulon E, Desdevises Y, Six C, Houdan A, Derelle E, Jouenne F, Grulois D, Le Gall F, D Vaulot & B. Marin. Revision of the genus Micromonas (Manton &t Parke) (Chlorophyta, Mamiellophyceae), and of the species M. pusilla (Butcher) Manton et Parke, based on the genomic and phenotypic characterization of cultured isolates. Protist 5:612-635 doi: 10.1016/j.protis.2017.09.002
  • 2017     Demory D, Arsenieff L, Simon N, Six C, Rigaut-Jalabert F, Marie D, Ge P, Bigeard E, Jacquet S, Sciandra A, Bernard O, Rabouille S & AC Baudoux. Temperature is a key factor involved in Micromonas - virus interactions. The ISME Journal 11(3):601-612doi: 10.1038/ismej.2016.160.
  • 2016    Lavaud J, Six C & DA Campbell. Photosystem II repair in marine diatoms with contrasting photophysiologies. Photosynthesis Research 127(2):189-99.
  • 2014    Nézan E, Siano R, Boulben S, Six C, Bilien G, Chèze K, Duval A, Lepanse S, Quéré J & N Chomérat. Genetic diversity of the toxigenic family Kareniaceae (Gymnodiniales, Dinophyceae) in France, with the description of Karlodinium gentienii sp. nov.: a new harmful dinoflagellate. Harmful algae 40:75-91.
  • 2010     Key T, McCarthy A, Campbell DA, Six C, Roy S & Finkel ZV. Cell size trade-offs govern light exploitation strategies in marine phytoplankton. Environmental Microbiology 12(1):95-104.
  • 2009     Six C, Sherrard R, Lionard M, Roy Suzanne & DC Campbell. Photosystem II and Pigment Dynamics among ecotypes of the green alga Ostreococcus. Plant Physiology 151(1):379-90.
  • 2008     Six C, Finkel Z, Rodriguez F, Marie D, Partensky F & Campbell D. Contrasting photoacclimatation costs in ecotypes of the marine picoplankter Ostreococcus. Limnology & Oceanography 53:255-265.
  • 2005     Six C & Worden AZ, Rodriguez F, Moreau H & Partensky F, New insights in the nature  and phylogeny of the photosynthetic antenna of Prasinophytes : Ostreococcus tauri, a case  study. Molecular Biology and Evolution 22(11):2217– 2230.



  • 2018     Qui Minet Z N, Delaunay C, Grall J, Cariou T, Six C, Bonher O, Legrand E, Davoult D, & S Martin. The role of local changes on maerl and associated non-calcareous epiphytic macroalgae in the Bay of Brest. Estuarine, Coastal and Shelf Science 208:140-152.
  • 2013     Noisette F, Duong G, Six C, Davoult D & S Martin. Combined effects of elevated pCO2 and temperature on the metabolism of a temperate rhodolith Lithothamnion Corallioides. Journal of Phycology, 49:756-757.