Senior researcher CNRS

Christian Jeanthon est directeur de recherche au CNRS

Formation

  • Habilitation à Diriger les Recherches, Université de Bretagne Occidentale, Brest (2002)
  • Post-doctorat, Centre d'Etudes Nucléaires, Mol, Belgique (1991-1992)
  • Doctorat d'Océanologie Biologique, Université de Bretagne Occidentale, Brest (2002)

Expérience professionnelle

  • Directeur de Recherche (CNRS), Station Biologique, UMR 7144, Roscoff, (2006-)
  • Directeur de Recherche (CNRS), Institut Universitaire Européen de la Mer, UMR 6197, Plouzané (2003-2005)
  • Directeur de Recherche (CNRS), Institut Universitaire Européen de la Mer, UMR 6539, Plouzané (2002-2003)
  • Chargé de Recherche (CNRS), Institut Universitaire Européen de la Mer, UMR 6539, Plouzané (2000-2002)
  • Chargé de Recherche (CNRS), Station Biologique, UPR 9042 Roscoff, (1992-1999)

Thèmes de recherche

  • Diversité microbienne et identification des bactéries non cultivées et de leurs fonctions
  • Fonctionnement des systèmes microbiens
  • Ecologie microbienne aquatique
  • Biogéographie
  • Photohétérotrophie
  • Interactions procaryotes-microalgues

Publications

ECOLOGY OF PHOTOHETEROTROPHIC BACTERIA

Lehours, A-C., F. Enault, D. Boeuf & C. Jeanthon. Biogeographical patterns of aerobic anoxygenic phototrophic bacteria reveal an ecological consistency of phylogenetic clades in different marine biomes. Sci. Rep. (in revision).

Hubas, C., D. Bœuf, B. Jesus, N. Thiney, Y. Bozec & C. Jeanthon. 2017. A nanoscale study of carbon and nitrogen fluxes in mats of purple sulfur bacteria : Implications for coastal carbon cycles at the surface of coastal sediments. Front. Microbiol. 8:1995. doi.org/10.3389/fmicb.2017.01995.

Boeuf, D., R. Lami, E. Cunnington & C. Jeanthon. 2016. Abundance and distribution of proteorhodopsin genes in the western Arctic Ocean. Front. Microbiol. 7:1548, doi: 10.3389/fmicb.2016.01584.

Zeng, Q., Y. Liu, C. Jeanthon, R. Zhang, W. Lin, J. Yao & N. Jiao. 2016. Geographical impact on genome divergence as revealed by comparison of nine citromicrobial genomes. Appl. Env. Microbiol. 82 : 7205-7216, doi:10.1128/AEM.02495-16.

Lehours, A-C., A-H. Le Jeune, J-P. Aguer, R. Cereghino, B. Corbara, B. Kéraval, C. Leroy, F. Perrière, C. Jeanthon & J-F. Carrias. 2016. Unexpectedly high bacteriochlorophyll a concentrations in Neotropical tank bromeliads. Env. Microbiol. Rep. doi:10.1111/1758-2229.12426.

Bœuf, D., S. Audic, L. Brillet-Guéguen, C. Caron & C. Jeanthon. 2015. MicRhoDe: a curated database for the analysis of microbial rhodopsin diversity and evolution. Database article ID bav080; doi:10.1093/database/bav080.

Lehours, A-C. & C. Jeanthon. 2015. The hydrological context determines the beta-diversity of aerobic  phototrophic bacteria in European Arctic seas but does not favor endemism. Front. Microbiol. 6:638. doi: 10.3389/fmicb.2015.00638

Boeuf, D., F. Humily & C. Jeanthon. 2014. Diversity of Arctic pelagic Bacteria with an emphasis on photoheterotrophs: a review. Biogeosciences 11: 3309-3322.

Hubas, C., B. Jesus, M. Ruivo, T. Meziane, N. Thiney, D. Davoult, N. Spilmont, D. M. Paterson & C. Jeanthon. 2013. Proliferation of purple sulphur bacteria at the sediment surface affects intertidal mat diversity and functionality. PLoS ONE 8: e82329.

Mella-Flores, D., S. Mazard, F. Humily, F. Partensky, F. Mahé, L. Bariat, C. Courties, D. Marie, J. Ras, R. Mauriac, C. Jeanthon, E. M. Bendif, M. Ostrowski, D. J. Scanlan & L. Garczarek. 2011. Is the distribution of Prochlorococcus and Synechococcus ecotypes in the Mediterranean Sea affected by global warming? Biogeosciences, 8: 2585-2804.

Jeanthon, C., D. Boeuf, O. Dahan, F. Le Gall, L. Garczarek, E. M. Bendif & A.-C. Lehours. 2011. Diversity of cultivated and metabolically active aerobic anoxygenic phototrophic bacteria along an oligotrophic gradient in the Mediterranean Sea. Biogeosciences, 8: 1955-1970.

Hubas, C., B. Jesus, C. Passarelli & C. Jeanthon. 2011. Tools providing new insight into coastal anoxygenic purple bacterial mats: Review and perspectives. Res. Microbiol. 162:858-868.

Lamy, D., C. Jeanthon, M.T. Cottrell, D. L. Kirchman F. Van Wambeke, J. Ras, O. Dahan, M. Pujo-Pay, L. Oriol, L. Bariat, P. Catala, V. Cornet-Barthaux & P. Lebaron. 2011. Ecology of aerobic anoxygenic phototrophic bacteria along an oligotrophic gradient in the Mediterranean Sea. Biogeosciences 8:973-985.

Lehours, A−C., M. Cottrell, O. Dahan, D. L. Kirchman & C. Jeanthon. 2010. Summer distribution and diversity of aerobic anoxygenic phototrophic bacteria in the Mediterranean Sea in relation to environmental variables. FEMS Microbiol. Ecol. 74:397-409.

MICROBIAL INTERACTIONS

Kleinjan, H., C. Jeanthon, C. Boyen & S. M. Dittami. 2017. Exploring the cultivable Ectocarpus microbiome. Front. Microbiol. 8: 2456. doi: 10.3389/fmicb.2017.02456

Crenn, K., D. Serpin, C. Lepleux, J. Overmann & C. Jeanthon. 2016. Silicimonas algicola gen. nov., sp. nov., a novel member of the Roseobacter clade isolated from the cell surface of the marine diatom Thalassiosira delicatula. Int. J. Syst. Evol. Microbiol. 66 : 4580-4588, doi: 10.1099/ijsem.0.001394.

Blanquart, F., M. Valero, C. Alves-de-Souza, A. Dia, F. Lepelletier, E. Bigeard, C. Jeanthon, C. Destombe & L. Guillou. 2016. Evidence for parasite-mediated selection during short-lasting toxic algal blooms. Proc. R. Soc. B 283 : 20161870. doi: 10.1098/rspb.2016.1870.

Amiraux, R., C. Jeanthon, F. Vaultier & J.-F. Rontani. 2016. Paradoxical effects of temperature and solar irradiance on the photodegradation state of killed phytoplankton. J. Phycol. 52 : 475-485.doi: 10.1111/jpy.12410.

Not, F., I. Probert, C. Gerikas Ribeiro, K. Crenn, L. Guillou, C. Jeanthon & D. Vaulot. 2016. Photosymbiosis in marine pelagic environments, pp. 305-332. In The Marine Microbiome-An Untapped Source of Biodiversity and Biotechnological Potential, L.J. Stal & M. S. Cretoiu (eds), Springer.

Lepelletier, F., S. A. Karpov, E. Alacid, S. Le Panse, E. Bigeard, E. Garcès, C. Jeanthon & L. Guillou. 2014. Dinomyces arenysensis gen. et sp. nov. (Rhizophydiales, Dinomycetaceae fam. nov.), a chytrid infecting marine dinoflagellates. Protist 165: 230-244.

Lepelletier, F., S. A. Karpov, S. Le Panse, E. Bigeard, A. Skovgaard, C. Jeanthon & L. Guillou. 2014. Parvilucifera rostrata sp. nov. (Perkinsozoa), a novel parasitoid that infects planktonic dinoflagellates. Protist 165: 31-49.

Passarelli, C., T. Meziane, N. Thiney, D. Bœuf, B. Jesus, M. Ruivo, C. Jeanthon & C. Hubas. 2015. Seasonal variations of the composition of microbial biofilms in tidal flats: Focus of fatty acids, pigments and exopolymers. Est. Coast. Shelf Sci. 153 : 29-37.

Leroy, F., P. Riera, C. Jeanthon, F. Edmond, C. Leroux & T. Comtet. 2012. Importance of bacterivory and preferential selection toward diatoms in larvae of Crepidula fornicata (L.) assessed by a dual stable isotope (13C, 15N) labeling approach. J. Sea Res. 70:  23-31.

GENOMIC OBSERVATORIES

Kopf, A., M. Bicak, R. Kottmann, J. Schnetzer, I. Kostadinov, K. Lehmann, A. Fernandez-Guerra, C. Jeanthon et al. 2015. The Ocean Sampling Day consortium. GigaScience 4 : 27.

Davies, N., D.Field, L. Amaral-Zettler, M. S. Clark, J. Deck, A. Drummond, D. P. Faith, J. Geller, J. Gilbert, F. O. Glöckner, P. R. Hirsch, J-A. Leong, C. Meyer, M. Obst, S. Planes, C. Scholin, A. P. Vogler, R. D. Gates, R. Toonen, V. Berteaux-Lecellier, M. Barbier, K. Barker, S. Bertilsson, M. Bicak, M. J. Bietz, J. Bobe, L. Bodrossy, A. Borja, J. Coddington, J. Fuhrman, G.Gerdts, R. Gillespie, K. Goodwin, P. C. Hanson, J-M. Hero, D. Hoekman, J. Jansson, C. Jeanthon, R. Kao, A. Klindworth, R. Knight, R. Kottmann, M. S. Koo, G. Kotoulas, A. J. Low, V. T. Marteinsson, F. Meyer, N. Morrison, D. D. Myrold, E. Pafilis, S. Parker, J. J. Parnell, P. N. Polymenakou, S. Ratnasingham, G. K. Roderick, N. Rodriguez-Ezpeleta, K. Schonrogge, N. Simon, N. J. Valette-Silver, Y. P. Springer, G. N Stone, S. Stones-Havas, S-A. Sansone, K. M. Thibault, P. Wecker, A. Wichels, J. C. Wooley, T. Yahara, A. Zingone & GOs-COS. 2014. The founding charter of the genomic observatories network. GigaScience 3:2 DOI: 10.1186/2047-217X-3-2.