Programme 

Jour 1

Lundi 23 septembre

Inscription 13:00 - 13:55

13:55

Mot d'accueil des organisateurs

14:00 - 16:00

Session 1 - Structuration des communautés symbiotiques

Chaires: Daniel Wipf et Pierre-Emmanuel Courty 

14:00 Marc Buée - Contribution of ectomycorrhizal fungal communities to the decomposition of organic matter in forest soils

14:25 Raffaella Balestrini - Designing sustainable future cropping systems through the exploitation of AM symbiosis

14:50 Louise Vedrenne - Study of root mutualistic associations of fifteen pea (Pisum sativum) genotypes in three soils with contrasting physico-chemical properties

15:15 Pierre-Louis Alaux - Nutrition and defense in mycorrhizal networks

15:40 Agnès Ardanuy-Gabarra - Testing the benefits of specialization in the ectomycorrhizal symbiosis

16:00 Pause

16:30 - 18:00 Table ronde : "La place des symbioses dans les systèmes agronomiques"

Animée par B. Lefebvre et M. Lepetit

18:00 Clôture de la première journée

Jour 2

Mardi 24 septembre

9:00 -12:00

Session n°2 – Mise en place des programmes symbiotiques

Chaires : Fernanda de Carvalho-Niebel et Jean-Malo Couzigou 

9:00 Introduction

9:10 Eve Teyssier - The role of LysM receptors during mycorrhization in Marchantia palacea

9:40 Natacha HORTA ARAUJO - A Receptor Like Cytoplasmic Kinase evolved in Aeschynomene legumes to mediate Nod-independent rhizobial symbiosis 

10:10 Léa PEDINOTTI - CRA2: a common actor regulating mycorrhization and nodulation 

10:40 Pause

11:10 Anne BENNION (LIPME) - Live insights in rhizobia infection thread formation in Medicago 

11:40 Jean-Malo COUZIGOU (LRSV) - Soybean-Bradyrhizobium interplay for robust nodule development and functioning

12:10 Benjamin Péret (IPSIM) - Autoregulation of cluster root and nodule development in white lupin

Déjeuner 12:40 - 14:30

14:30 - 16:30

Session n°3 – Impact des symbioses sur la physiologie et le développement des plantes

Chaires : Sandra Bensmihen et Florian Frugier

14:30 Alia Dellagi (IJPB) - Unravelling the mechanisms of maize nitrogen deficiency mitigation by the mycorrhizal pathway: a genome scale metabolic modelling and multi-omics approach

14:55 Benoit Lefebvre (LIPME) - Interplay between soil N and P availability on arbuscular mycorrhiza colonisation and efficacy

15:20 Gaurav-Girish Pandharikar - Tree-Fungi Mutualistic Interactions: The Roles of Poplar Terpenes

15:40 Florian Frugier (IPS2) - The Medicago truncatula symbiotic TDIF signalling peptide is required for the root stele and metabolic adaptation to nodulation  

16:00 Sandra Bensmihen (LIPME) - Understanding how Nod Factors modify root development (in Medicago truncatula/ at single cell level)

16:20 Sandra Bensmihen and Jean-François Arrighi - Presentation of ANR projects SYMBASE and INSIDER

Pause café 16:30 - 17:00

17:00 - 19:00

Session n°4 - Diversité et évolution des interactions symbiotiques

Chaire : Delphine Capela

17:00 Alicia Camuel (PHIM) - Bradyrhizobium type III effectors can act synergistically and bypass several canonical symbiotic determinants (POLLUX, CCaMK and CYCLOPS) for nodulation in Aeschynomene evenia 

17:20 Philippe Remigi (LIPME) - The life-cycle of beta-rhizobia : a fitness-based perspective

17:40 Matheus Bianconi (LRSV) - Identifying signatures of adaptive evolution following mutualism abandonment in land plants

18:00 Juliana Almario (LEM) - Adapting to symbiosis loss: new microbial associations in non-mycorrhizal plants?

18:20 Hasna Boubakri (LEM) - Plant antimicrobial peptides in actinorhizal symbiosis: identification, functions and evolution

18:40 Annegret Kohler (IAM) - Ectomycorrhizal symbiosis : lessons learned from comparative genomics and transcriptomics

20:00 Repas optionnel dans le centre de Toulouse

Jour 3

Mercredi 25 septembre

9:00 -12:00

Session n°5 - Symbiose et immunité

Chaires : Pascal Ratet, Pierre Frendo et Claire Veneault-Fourrey

9:00 Maria Pozo - Mycorrhiza Induced Resistance: Functioning And Applications In A Multitrophic Context

9:25 Veronique Grüber (IPS2) - Insight into the control of nodule immunity and senescence during Medicago symbiosis

9:45  Madeleine Baker - Characterisation of a new pathosystem between Aeschynomene evenia and Aphanomyces euteiches to explore connections between immunity and symbiosis in legumes

10:05 Pause café

10:25 Benjamin Gourion (LIPME)- Atypical rhizobia trigger nodulation and pathogenesis on the same legume hosts

10:50 Pierre Frendo - Plant and aphid genotypes influence rhizobium-induced defence priming in the interaction between Medicago truncatula and pea aphid. 

11:10 Marc Lepetit -  Présentation des projets Plant2Pro et France 2030.

11:30 -12:00

Présentation des plateformes toulousaines

Déjeuner 12:00 - 13:00

Départ