PROGRAMME

PROGRAMME
Lundi 11 Janvier 2016
17:00 - 19:00 Inscriptions
19:15 - 20:00 Apéritif
20:00 - 21:00 Dîner
21:15 - 21:20 Ouverture des 12ème rencontres Plantes Bactéries (Frédérique
Van Gijsegem)
21:20 - 22:00 Session introductive - Invité : Martin Grube (Institute of
Plant Sciences, Karl-Franzens-University, Graz, Austria)
Bacteria in lichens: the bacterial microbiome of a symbiotic structure
Mardi 12 Janvier 2016
08:30 Session 1 : Communautés bactériennes associées aux plantes et à leurs
bio-agresseurs (hologénome, bactériome) (Modérateurs : Lionel Moulin et
Alain Sarniguet)
Invité : Fabrice Roux (LIPM, Castanet-Tolosan) : The genetics of plant -
microbe interactions in the model plant species Arabidopsis thaliana: from crop
strains to microbiomes in natural settings.
09:10 Plant root exudates shape the diversity of denitrifying bacteria and
stimulate their activity. Haichar Feth el Zahar (Université C. Bernard, Lyon)
09:25 Influence de la stratégie de gestion des ressources des plantes sur le
fonctionnement des communautés bactériennes dénitrifiantes dans la rhizosphère
via l’exsudation racinaire. Julien Guyonnet (Université C. Bernard, Lyon)

09:40 Diversity and dynamics of seed-associated microbial assemblages.
Matthieu Barret (IRHS, Beaucouzé)
09:55 Differences in stability of the seed microbiota in response to invasion by
phytopathogenic microorganisms. Samir Rezki (IRHS, Beaucouzé)
10:10 Effect of heavy metals on invasive knotweed (Fallopia spp.) and the
combined effect of metal pollution and plant colonization on MultiDrug Resistance
(MDR) phenotypes in soil bacteria. Serge Michalet (Ecologie microbienne,
Villeurbanne)
10:30 - 11:00 Pause
11:00 Uncovering wheat root-associated microbial communities by an amplicon
barcoding approach. Cindy Dasilva (IPME, IRD, Montpellier)
11:15 Impact of biosolid containing nanomaterials on a soil-plant-bacteria
system. Blanche Collin (IBEB/SBVME/LEMIRE, Saint Paul lez Durance)
11:30 Opération pilote de renforcement des populations d'Astragalus
tragacantha dans le Parc National des Calanques. Lucie Miché (IMBE, Aix
Marseille)
11:45 - 12:15 Présentation Posters Impairs
# 1 Escaping underground NETs: extracellular DNases are novel virulence
factors of the plant pathogenic bacterium Ralstonia solanacearum. Caitilyn Allen
# 3 Recherche de VNTR chez Bulkholderia glumae et diversité des souches
isolées de Colombie. Gilles Béna
# 5 Toward the characterisation of the Nod Factor independent recognition
events between Aeschynomene and its Bradyrhizobium symbiotic partner.
Fabienne Cartieaux
# 7 EUCLID: Leveraging IPM for sustainable production of fruit and
vegetable crops in partnership with China. Charlotte Chandeysson
# 9 Mise à jour de la classification du groupe Pseudomonas syringae et des
outils simples et rapides d'identification. Charlotte Chandeysson
# 11 Analyse métagénomique de la diversité des bactéries pectinolytiques
issues de champ de pomme de terre isolées à partir de symptômes de jambe noire.
Jérémy Cigna

# 13 Influence of carbon sources on the mobility of plant pathogenic bacteria
of the genus Dickeya. Nicole Cotte-Pattat
# 15 Denitrification process by Pseudomonas brassicacearum. Sylvain
Fochesato
# 17 Tracking type three effectors (T3E) role in Ralstonia
solanacearum/eggplant interaction through functional and evolutionary
approaches. Jérémy Guinard
# 19 Xylella fastidiosa outbreak in Europe : new genotypes in Corsica. Bruno
Legendre
12:30 - 13:30 Déjeuner
14:00 -16:00 Table ronde Approches GWA (Genome Wide Association)
animée par Richard Berthomé et Laurent Noël
17:00 Session 2 : Programmes symbiotiques : composantes, contrôle, origine
évolutive (Modérateurs : Pascal Ratet et Florence Wisniewski)
Invité : Lionel Navarro (ENS, Paris) : Transcriptional control of immune-
response genes by DNA methylation and demethylation.
17:40 Multiple steps control immunity during the legume rhizobia symbiotic
interaction. Fathi Berrabah (IPS2, Orsay)
17:55 Proteomics analysis of a defensive nodule points to a negative role of
ethylene during the late stage of the symbiosis. Benjamin Gourion (IPS2, Orsay)
18:10 Transcripto-proteomic dissection of differentiated bacteroid physiology in
the Legume-Rhizobium symbiosis. Florian Lamouche (I2BC, Gif sur Yvette)
18:25 Molecular analysis of BclA, an antimicrobial peptide transporter involved
in bacteroid differentiation during Aeschynomene/Bradyrhizobium symbiosis.
Quentin Barrière (I2BC, Gif sur Yvette)
18:40 To inoculate or not to inoculate… On the interest of bringing back
together original symbiotic partners. Yves Prin (LSTM, Montpellier)

18:55 - 19:25 Présentation Posters Impairs (suite)
# 21 Use of Chlorophyll Fluorescence Imaging to phenotype the suppression
by XopF1 and Hpa2 of a HR induced by non-pathogenic strains of Xanthomonas
on Nicotiana benthamiana and Capsicum annuum. Valérian Meline
# 23 Do small interfering RNAs and RNAses III play roles in Medicago
truncatula nodule development? Jérémy Moreau
# 25 Biocontrôle : étude d’un moyen de lutte contre Dickeya, agent pathogène
responsable de la jambe noire et de la pourriture molle sur pomme de terre.
Euphrasie Munier
# 27 Caractériser des ressources génétiques pour lutter contre le cortège
d’espèces de Pectobacterium et Dickeya pathogènes de la pomme de terre.
Angélique Quêtu-Laurent
# 29 Emergence of Xanthomonas citri pv. citri in Martinique. Damien
Richard
# 31 Cerium oxide nanoparticles modulate plant response and plant bacteria
interactions. Catherine Santaella
# 33 Identifying Xanthomonas oryzae pv. oryzae strains and adapted sources of
resistance among rice breeding lines in Mali. Cheik Tekete
# 35 Exploration de la composante épigénomique de la stimulation des
défenses du pommier. Romain Warneys
# 37 How diverse is the Ralstonia solanacearum species complex in the South-
West Indian Ocean islands? Noura Yahiaoui
19:30 - 20:30 Dîner
21:00 Session posters impairs

Mercredi 13 Janvier 2016
08:30 Session 3 : Réponses moléculaires et résistance des plantes
(Modérateurs : Christophe Garcion et Lionel Navarro)
Invité : Laurent Deslandes (LIPM, Castanet-Tolosan) : The Arabidopsis RRS1-
R/RPS4 immune receptor pair senses bacterial effector activities
09:10 Targeted promoter editing for rice resistance to Xanthomonas oryzae pv.
oryzae reveals functional variation among SWEET14-inducing TAL effectors.
Florence Auguy (IPME, IRD, Montpellier)
09:25 Flavescence dorée phytoplasma/grapevine interactions: identification and
characterization of surface proteases and identification of plant genes involved in
FD resistance. Camille Jollard (UMR 1332 Biologie du Fruit et Pathologie,
Bordeaux)
09:40 Engineering broad resistance tailored against rice bacterial blight in Mali.
Hinda Doucouré (Université des Sciences Techniques et Technologiques de
Bamako, Mali)
09:55 Insights into the molecular basis of rhamnolipid and surfactin perception
by plant cells. Patricio Luzuriaga (UFR SEN, Reims)
10:10 A knowledge-based molecular screen uncovers a broad spectrum
OsSWEET14 resistance allele to bacterial blight from wild rice. Mathilde Hutin
(IPME, IRD, Montpellier)
10:30 - 11:00 Pause
11:00 Transcriptomic and physiological changes of wheat in response to
beneficial and pathogenic bacteria. Daniel Garcia-Seco (IPME, IRD,
Montpellier)
11:15 An adaptor kinase confers expanded recognition specificity to a plant
NLR: Bases génétiques et mécanistiques de la résistance à la pourriture noire chez
Arabidopsis. Laurent Noël (LIPM, Castanet-Tolosan)