17-19 oct. 2018 Plouzané (Brest) (France)

Programme

mercredi 17 octobre 2018

Heures événement  
09:30 - 10:20 Welcome - Registration & Poster Mounting  
10:20 - 10:30 Introduction - Didier FLAMENT / Bruno FRANZETTI  
10:30 - 11:25 Keynote Lecture : Archaeal Chromosome Dynamics - Stephen D. BELL  
11:25 - 12:40 Genomic Integrity and Gene Expression - Chairs : Ghislaine HENNEKE / Béatrice CLOUET D'ORVAL  
11:25 - 11:50 › Stochastic features of haloarchaeal DNA replication and repair - Hannu MYLLYKALLIO, Laboratoire d'Optique et Biosciences  
11:50 - 12:15 › Introducing an opposite twist: Consequence of DNA Gyrase activity on viability and DNA topology of hyperthermophilic archaeon Thermococcus kodakarensis - Paul VILLAIN, Institut de Biologie Intégrative de la Cellule  
12:15 - 12:40 › Step by step dissection of the ATP-dependent catalysis of reverse gyrase - Marc NADAL, Institut Jacques Monod  
12:40 - 14:20 Lunch & Poster Session  
14:20 - 15:45 Genomic Integrity and Gene Expression - Chairs : Ghislaine HENNEKE / Béatrice CLOUET D'ORVAL  
14:20 - 14:45 › Structural basis for DNA replication by the archaeal D-family DNA polymerase revealed by cryo-electron microscopy - Ludovic SAUGUET, Institut Pasteur  
14:45 - 15:10 › A Comparative study of ribonucleotides incorporation reveals strong bias and hotspots in the genome of two Archaea: H. volcanii and T. barophilus. - Yann MOALIC, Laboratoire de Microbiologie des Environnements Extrêmes  
15:10 - 15:20 › Recombinase/primase interplay in the hyperthermophilic archaeon Pyrococcus abyssi : toward a coupling between recombination and replication machinery ? - Gaëlle HOGREL, Laboratoire de Microbiologie des Environnements Extrêmes  
15:20 - 15:45 › Initiation of DNA replication in Archaea: new paradigm - Rémi DULERMO, Laboratoire de Microbiologie des Environnements Extrêmes  
15:45 - 16:10 Coffee Break  
16:10 - 17:35 Genomic Integrity and Gene Expression - Chairs : Ghislaine HENNEKE / Béatrice CLOUET D'ORVAL  
16:10 - 16:35 › Archaea-guided identification of an elusive human rRNA m6A methyltransferase enzyme - Marc GRAILLE, Laboratoire de Biochimie  
16:35 - 17:00 › Insights into associated-RNA degrading enzymes and RNA processing pathways in Archaea - Béatrice CLOUET D'ORVAL, Laboratoire de Microbiologie et de Génétique Moléculaires  
17:00 - 17:25 › Biochemical and Structural studies of the ASH-Ski2 helicase/aRNase J Ribonuclease Complex in Thermococcales - Manon BATISTA, Laboratoire de Microbiologie et de Génétique Moléculaires  
17:25 - 17:35 › The β-CASP aRNase J ribonuclease is at the cross-road of the translation and RNA degradation machineries, the ribosome and the exosome, together with the archaeal specific helicase ASH-Ski2 in Thermococcales - Etienne Clarisse, Laboratoire de Microbiologie et de Génétique Moléculaires  

jeudi 18 octobre 2018

Heures événement  
09:00 - 09:55 Keynote Lecture : Title to be announced - Haruyuki ATOMI  
09:55 - 11:10 Evolution and Genomics - Chairs : Adrienne KISH / Jacques OBERTO  
09:55 - 10:20 › Mobile Genetic Elements diversity and evolution in 100 Thermococcales genomes - Violette DA CUNHA, Institut de Biologie Intégrative de la Cellule, Biologie Moléculaire du Gène chez les Extrêmophiles  
10:20 - 10:45 › Evolution of the universal Sua5/YrdC enzymes: when simplification is the ultimate sophistication. - Tamara BASTA, Institut de Biologie Intégrative de la Cellule  
10:45 - 11:10 › Structural studies of latent allostery in Ignicoccus islandicus malate dehydrogenases - Jennifer ROCHE, Institut de Biologie Structurale  
11:10 - 11:30 Coffee Break  
11:30 - 12:45 Evolution and Genomics - Chairs : Adrienne KISH / Jacques OBERTO  
11:30 - 11:55 › Towards a domain-containing membrane organization in Archaea? Insights from the Thermococcales lipid composition - Maxime TOURTE, Microbiologie, Adaptation et Pathogénie  
11:55 - 12:20 › Integration strategies of the plasmid family pT26-2 - Catherine BADEL, Institut de Biologie Intégrative de la Cellule  
12:20 - 12:45 › The First Self-Transmissible Plasmid in Euryarchaeota - Ryan CATCHPOLE, Biologie Moléculaire du Gène chez les Extrêmophiles, Institut de Biologie Intégrative de la Cellule  
12:45 - 14:25 Lunch & Poster Session  
14:25 - 15:40 Evolution and Genomics - Chairs : Adrienne KISH / Jacques OBERTO  
14:25 - 14:50 › The conflicting signals for reconstructing the Tree of Life - Morgan Gaia, Biologie Moléculaire du Gène chez les Extrêmophiles  
14:50 - 15:10 › Sequence motifs recognized by the casposon integrase Cas1 of Aciduliprofundum boonei - Pierre BEGUIN, Biologie Moléculaire du Gène chez les Extrêmophiles  
15:15 - 15:40 › A new class of signalling messenger molecules discovered in prokaryotes. - Christophe ROUILLON, University of St Andrews  
15:40 - 15:55 Coffee Break  
15:55 - 16:50 Keynote Lecture : Title to be announced - Christa SCHLEPER  
16:50 - 18:15 Microbiology, Biodiversity and Metabolism - Chairs : Karine ALAIN / Laurent TOFFIN  
16:50 - 17:15 › How do archaea assimilate nitrogen? The archaeal glutamate synthase structure reveals a “primitive” multi-component machinery fueled with a new electron donor. - Tristan WAGNER, Max Planck Institute for Marine Microbiology  
17:15 - 17:25 › Exploring the biotechnological potential of a novel CAZyme family from hyperthermophilic archaea - Hala CHAMIEH, Université Libanaise - Centre Azm pour la Recherche en Biotechnologie et ses Applications  
17:25 - 17:50 › Viruses of hyperthermophilic archaea isolated from deep-sea hydrothermal vents - Sarah THIROUX, Laboratoire de Microbiologie des Environnements Extrêmes  
17:50 - 18:00 › Advanced in cultivation of terrestrial Korarchaeota - Stéphane L'Haridon, Laboratoire de Microbiologie des Environnements Extrêmes [Plouzané]  
20:00 - 23:00 Gala Dinner - Informations coming soon !  

vendredi 19 octobre 2018

Heures événement  
09:30 - 11:10 Microbiology, Biodiversity and Metabolism - Chairs : Karine ALAIN / Laurent TOFFIN  
09:30 - 09:55 › Genomic variation in microbial populations inhabiting the marine subseafloor at deep-sea hydrothermal vents - Mohamed JEBBAR, Laboratoire de Microbiologie des Environnements Extrêmes  
09:55 - 10:20 › Exploration of the potential physiological functions of the master SurR regulator SurR at high pressures in Thermococcus barophilus MP. - Jordan HARTUNIANS, Laboratoire de Microbiologie des Environnements Extrêmes  
10:20 - 10:45 › Genome-resolved metagenomics illuminates the evolutionary links between methanogenesis, anaerobic methanotrophy, and short-chain alkane oxidation - Guillaume BORREL, Biologie Evolutive de la Cellule Microbienne  
10:45 - 11:10 › Slaying It: The Polyvalent Nature of Archaeal S-layers - Adrienne KISH, Muséum National d'Histoire Naturelle  
11:10 - 11:25 Coffee Break  
11:25 - 12:10 Microbiology, Biodiversity and Metabolism - Chairs : Karine ALAIN / Laurent TOFFIN  
11:25 - 11:35 › First insights into continuous enrichment cultures of hyperthermophilic microorganisms potentially affiliated with the DPANN superphylum - Erwan ROUSSEL, Laboratoire de Microbiologie des Environnements Extrêmes  
11:35 - 11:45 › Temporal dynamics of microbial diversity in active hydrothermal vents : first insights into colonization processes - David FRANCOIS, Laboratoire de Microbiologie des Environnements Extrêmes  
11:45 - 12:10 › diversité des méthanogènes dans les microbiotes humains - Ghiles GRINE, Microbes évolution phylogénie et infections  
12:10 - 12:20 Announcement of Next GdR Archaea 2019 & Closing - Didier FLAMENT / Bruno FRANZETTI  
12:20 - 14:00 Lunch  
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