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File Icon Ishitani Distinct lineages in Spumellaria DSR 2012 (18)
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A new EU project launched - MicroB3
Research - Projects

MicroB3

The three teams of the Plankton Group are participating in a new EU project called MicroB3 dedicated to the genomics and metagenomics of Marine Microbes. The startup meeting took place at Jacobs University in Bremen on Feb 1-3 2012.

 

The project’s main objectives are to create an integrative database, which is open to researchers worldwide and features many innovative tools for data analysis, and to develop a legal framework for genome-based environmental research. New biotechnological applications will also be identified.

32 partner institutions from 14 countries are participating in the project, which unites leading experts from eight disciplines and is coordinated by Frank Oliver Glöckner, Professor of Bioinformatics at Jacobs University.

Modern biotechnological processes, which utilize or modify genetic information, have been in use for many years. Their main areas of usage lie within agriculture, medical or pharmaceutical applications, and the food industry. The so-called “blue biotechnology”, which uses genetic information of marine organisms for biotechnology, is still considered new terrain: Only 1% of all biotechnology companies worldwide use marine ecosystem knowledge as a source (e.g. for innovative enzymatic functions).

The potential of blue biotechnology, however, is huge, since life in marine habitats and especially microbial communities shows an enormous biodiversity and thus a genetic diversity, which largely exceeds that of most terrestrial ecosystems. Yet, this diversity has hardly been explored.

 

Last Updated ( Friday, 03 February 2012 )
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ECODIM VII in Las Cruces, Chile - Jan 2012
Education - University

The whole crew - Las Cruces, ChileFront: Florencia, Kurt, Pancho, Rodrigo, Maria Jesus, MariLo, Felipe, FernandoBack : Osvaldo, Ger, Claudia, Yolaine, Carlos, Carla, Eric, Nocole, Marine, Priscilla, Marcia, Alvaro, Adriana, Sylvia, Nathalie and Peter

 

 

Daniel Vaulot participated in the VII ECODIM Course in Las Cruces, Chile.  This marine microbiology course that takes place every two years is attended by the 15 best graduate and post-graduates from Latin America in the field.  This year Chile, Argentina, Brazil, Uruguay, Colombia and Cuba were represented.  The course lasts 3 weeks and includes lectures, field trips, practicals as well as team research project. This year it was a great success with impressive students.  See you for the next edition in 2014....

Last Updated ( Saturday, 28 January 2012 )
 
Stagiaires en Master 2012
News - Announcements
 
Masters - 1er trimestre 2012
   
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Hugo
Master II DPO
Audrey
Master II PPM
 Justine
Master II PPM
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Victor
Master II DPO
Emelyne
Master II PPM
 
Last Updated ( Saturday, 28 January 2012 )
 
Bonne année 2012
News - Announcements
bonne_annee_2012.jpg
Last Updated ( Wednesday, 28 December 2011 )
 
Anne-Claire Baudoux - A new CNRS researcher in the Plankton Group
News - Announcements

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Anne-Claire Baudoux has been recruited in 2011 as a CNRS "Chargée de Recherche" and has started her new position in Roscoff on Oct 1, 2011. She is a member of the Diversity of Oceanic Plankton team, part of UMR 7144.

 

Anne-Claire's interest includes the diversity, the evolution, and the ecology of marine viruses, which infect phytoplankton and bacteria.  Her research focuses mainly on the interactions of viruses with their environment (both biotic and abiotic) and how these interactions affect the functioning of marine ecosystems.

 

A few years ago, Anne-Claire spent some times in Roscoff as a visiting post-doctoral fellow.

 

Publications of Anne-Claire

Last Updated ( Friday, 04 November 2011 )
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Les petits nouveaux 2011 : arrivées et stagiaires
News - Announcements
 
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 Raphael
AI DPO
Alexia
AI DPO
 
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Daphné

Postdoc DPO

Gregory
PhD PPM
 Bente
Visiting Professor
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Marie-José
EPPO
 Angélique
Post Doc EPPO
Raphaël
Post doc EPPO
Stagiaires (Master et al.) - 1er semestre 2011
 
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 Frédéric

Master 2 DPO

 Maxine
Master 2 PPM
 
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 Yamina
Stage EPPO
 Bastien
Stage DPO
Christophe
Master 2 PPM
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Stage DPO
 Estelle
Stage EPPO
Stage DPO
Last Updated ( Tuesday, 08 November 2011 )
 
Les microalgues calcaires, témoins de l'acidification des océans
Research - Topics

LeCinq coccolithophoridés vus au microscope électronique à balayage  montrant les différences de... phytoplancton calcaire, maillon important du cycle du carbone océanique, apparait très sensible à l'acidification océanique. Une étude internationale impliquant notamment des chercheurs du CNRS montre que la sécrétion du squelette calcaire d'une espèce de microalgues : les coccolithophores, diminue quand les eaux marines deviennent plus acides, mais certaines souches hyper-calcifiées se sont adaptées aux milieux les plus corrosifs. Leurs résultats sont publiés dans la revue Nature du 4 aout 2011.

 

 

 

Cinq coccolithophoridés vus au microscope électronique à balayage montrant les différences de calcification existant au sein de la même espèce ici Emiliania huxleyi. © Luc Beaufort CNRS/CEREGE

 

 

  • Beaufort, L., Probert, I., de Garidel-Thoron, T., Bendif, E. M., Ruiz-Pino, D., Metzl, N., Goyet, C., Buchet, N., Coupel, P., Grelaud, M., Rost, B., Rickaby, R. E. M. & de Vargas, C. 2011. Sensitivity of coccolithophores to carbonate chemistry and ocean acidification. Nature 476:80-83 - pdf
Last Updated ( Saturday, 13 August 2011 )
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Campagne PARALEX en Rance
Research - Projects

 

 

Dans le cadre de l'ANR Paralex, les équipes DPO, BEDIM, Chimie Marine, et DIVCO mettent en commun leurs compétences pour identifier les parasites naturels d'Alexandrium dans des écosystèmes récemment contaminés par des microalgues invasives et toxiques afin de comprendre leur rôle dans la résilience et la stabilité des écosystèmes marins côtiers.

Le dinoflagellé Alexandrium
minutum est une microalgue planctonique susceptible de proliférer de façon importante pour  former des marées rouges.
La campagne 2011 permet de suivre en parallèle ces efflorescences en Penzé et en Rance où les différentes équipes se relaient de fin mai à mi-juillet 2011.

L'équipe Chimie Marine est en charge du suivi des conditions hydrologiques pendant la campagne et a installé un container-laboratoire à Plouër-sur-Rance pour des analyses in-situ, et déployé plusieurs instruments en Rance (capteurs).

Voir l'article paru dans Ouest-France

version pdf de l'article de Ouest France
version pdf de l'article du Télégramme
Article du Petit Bleu

Last Updated ( Saturday, 13 August 2011 )
 
Thesis defence - Daniella Mella-Flores - 9 June 2011
News - Announcements

Daniella Mella-Flores a défendu sa thèse de doctorat à la Station Biologique de Roscoff le Jeudi 9 Juin 2011 (Université de Paris 6). Son travail a porté sur l'étude de la Diversité Génétique et Fonctionnelle des Cyanobactéries Picoplanctoniques Marines. Elle s'est en particulier intéressée à la distribution écologique, la diversité génétique et la réponse physiologique à différents stress environnementaux chez les deux principaux genres de picocyanobactéries marines, Prochlorococcus et Synechococcus.

 

Daniella Mella-Flores defended her PhD thesis the 9th of June 2011 at the Station Biologique of Roscoff (University of Paris 6). She worked on the Genetic and Functional Diversity of Marine Picoplanktonic Cyanobacteria with a more specific focus on the study of the ecological distribution, the genetic diversity and the physiological responses to different stress conditions of the two main genera of marine cyanobacteria, Prochlorococcus and Synechococcus.

 

 

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Last Updated ( Thursday, 23 June 2011 )
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