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

You can see the full list and download reprints from Research Gate.

ECOLOGY OF PHOTOHETEROTROPHIC BACTERIA

Lehours, A-C., F. Enault, D. Boeuf & C. Jeanthon. 2018. Biogeographical patterns of aerobic anoxygenic phototrophic bacteria reveal an ecological consistency of phylogenetic clades in different oceanic biomes. Sci. Rep. 8: 4105. doi: 10.1038/s41598-018-22413-7.

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

Alves-de-Souza, C., T. S. Benevides, M. Menezes, C. Jeanthon & L. Guillou. 2018. First report of vampyrellid predator-prey dynamics in a marine system. ISME J. (https://rdcu.be/bcIfo).

Crenn, K., D. Duffieux & C. Jeanthon. 2018. Bacterial epibiotic communities of ubiquitous and abundant marine diatoms are distinct in short- and long-term associations. Front. Microbiol. 9:2879. doi: 10.3389/fmicb.2018.02879.

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.