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L’équipe « Sunflower-Pests Interactions » s’intéresse à identifier et comprendre les mécanismes de résistance à l’orobanche du tournesol (Orobanche cumana). O. cumana est une plante parasite obligatoire. Sans racines et incapable de réaliser la photosynthèse, elle se développe au dépend du tournesol en détournant l’eau et les éléments nutritifs. Jusqu’à une centaine d’orobanches peuvent se fixer sur un seul pied de tournesol. Les pertes de rendement peuvent aller de 20% à 100% en fonction du niveau d’infestation du champ, du niveau d’agressivité et de virulence de la population. O. cumana est présente de la Chine au sud de l’Espagne.
Nous utilisons des approches de génétique, de génomique et de biologie fonctionnelle pour comprendre l’expression des résistances et le dialogue moléculaire et cellulaire entre le tournesol et l’orobanche. Les gènes de résistance présents dans les hybrides cultivés de tournesol sont rapidement contournés, aussi, nous nous intéressons à caractériser la diversité des populations mondiales d’orobanche pour comprendre leur évolution. De façon remarquable, alors que le tournesol a été domestiqué sur le continent nord-américain, O. cumana n’est pas présente sur le continent américain.
Nous travaillons aussi de façon plus marginale sur la résistance au mildiou du tournesol (Plasmopara halstedii, oomycète obligatoire) pour identifier et caractériser des résistances quantitatives et développer des outils de génotypage pour caractériser les souches.
PUBLICATIONS
2024
Pubert C, Boniface MC, Legendre A, Chabaud M, Carrère S, Callot C, Cravero C, Dufau I, Patrascoiu M, Baussart A, Belmonte E, Gautier V, Poncet C, Zhao J, Hu L, Zhou W, Langlade N, Vautrin S, Coussy C, Muños S. (2024) A cluster of putative resistance genes is associated with a dominant resistance to sunflower broomrape. Theoretical and Applied Genetics 137, 103
Fernández-Melero B, Del Moral L, Todesco M, Rieseberg LH, Owens GL, Carrère S, Chabaud M, Muños S, Velasco L, Pérez-Vich B (2024) Development and characterization of a new sunflower source of resistance to race G of Orobanche cumana Wallr. derived from Helianthus anomalus. Theoretical and Applied Genetics, https://doi.org/10.1007/s00122-024-04558-4
Tourneur S., Combier J. P., Plaza S., Muños S., Delavault P. (2024) microRNA-encoded peptides inhibit seed germination of the root parasitic plant Orobanche cumana. Plants People Planet, 1–12, https://doi.org/10.1002/ppp3.10501
2023
Auriac MC, Griffiths C, Robin-Soriano A, Legendre A, Boniface MC, Muños S, Fournier J, Chabaud M. (2023) The penetration of sunflower root tissues by the parasitic plant Orobanche cumana Wallr. is intracellular. New Phytologist 241(6):2326-2332, doi: 10.1111/nph.19495
Pubert, C. (2023). Caractérisation d'un gène majeur de résistance et d'un mécanisme de résistance secondaire à l'orobanche du tournesol (Doctoral dissertation, Université Paul Sabatier-Toulouse III)
Huang K, Jahani M, Gouzy J, Legendre A, Carrere S, Lázaro-Guevara JM, González Segovia EG, Todesco M, Mayjonade B, Rodde N, Cauet S, Dufau I, Staton SE, Pouilly N, Boniface MC, Tapy C, Mangin B, Duhnen A, Gautier V, Poncet C, Donnadieu C, Mandel T, Hübner S, Burke JM, Vautrin S, Bellec A, Owens GL, Langlade N, Muños S, Rieseberg LH (2023) The genomics of linkage drag in inbred lines of sunflower. PNAS; 120(14):e2205783119, doi: 10.1073/pnas.2205783119
The international PLANTCOM network; Becker C, Berthomé R, Delavault P, Flutre T, Fréville H, Gibot-Leclerc S, Le Corre V, Morel JB, Moutier N, Muños S, Richard-Molard C, Westwood J, Courty PE, de Saint Germain A, Louarn G, Roux F. (2023) The ecologically relevant genetics of plant-plant interactions. Trends in Plant Science 28(1):31-42, doi: 10.1016/j.tplants.2022.08.014
Calderón-González Á, Pérez-Vich B, Pouilly N, Boniface MC, Louarn J, Velasco L, Muños S (2023) Association mapping for broomrape resistance in sunflower. Frontiers in Plant Science 6;13:1056231, doi: 10.3389/fpls.2022.1056231
2022
Chabaud, M., Auriac, M. C., Boniface, M. C., Delgrange, S., Folletti, T., Jardinaud, M. F., Legendre, A., Pérez-Vich, B., Pouvreau, J. B., Velasco, L., Delavault, P., & Muños, S. (2022) Wild Helianthus species: A reservoir of resistance genes for sustainable pyramidal resistance to broomrape in sunflower. Frontiers in Plant Science 1–21, https://doi.org/10.3389/fpls.2022.1038684
2021
Badouin H., Boniface M.C., Pouilly N., Fuchsa M.L., Vear F., Langlade N.B. , Gouzy J., Muños S. (2021) Pooled Single-Molecule transcriptomics for balancing selection reveals a giant self-incompatibility gene in sunflower. bioRxiv
Le Ru A., Ibarcq G., Boniface M.-C., Baussart A., Muños S. and M. Chabaud (2021) Image analysis for the automatic phenotyping of Orobanche cumana tubercles on sunflower roots. Plant Methods 17, 80
2020
Todesco M, Owens GL, Bercovich N, Légaré JS, Soudi S, Burge DO, Huang K, Ostevik KL, Drummond EBM, Imerovski I, Lande K, Pascual MA, Cheung W, Staton SE, Muños S, Nielsen R, Donovan LA, Burke JM, Yeaman S, Rieseberg LH. (2020) Massive haplotypes underlie ecotypic differentiation in sunflowers. Nature 584: 602-607
Terzic S.; Boniface MC; Marek L; Alvarez D; Baumann K; Gavrilova V; Joita-Pacureanu M; Sujatha M; Valkova D; Velasco L; Hulke BS; Jocic S; Langlade N; Muños S; Rieseberg L; Seiler G; Vear F (2020) Gene banks for wild and cultivated sunflower genetic resources. OCL 27, 9
2019
Duriez P., Vautrin S., Auriac M.C., Bazerque J., Boniface M.C., Rousseaux J.C., Carrere S., Callot C., Cauet S., Chabaud M., Gentoux F., Lopez-Sendon M., Paris C., Pegot-Espagnet P., Pérez-Vich B., Velasco L., Bergès H., Piquemal J., Muños S. (2019) A receptor-like kinase enhances sunflower resistance to Orobanche cumana. Nature Plants 5:1211–1215.
Calderón-González A., Pouilly N., Muños S., Grand X., Coque M., Velasco L. and Pérez-Vich B. (2019) A SSR-SNP linkage map of the parasitic weed Orobanche cumana Wallr. including a gene for plant pigmentation. Frontiers in Plant Science, doi 10.3389/fpls.2019.00797
Hübner S., Bercovich N., Todesco M., Mandel J.R., Odenheimer J., Ziegler E., Lee J.S., Baute G.J., Owens G.L., Grassa C.J., Ebert D.P., Ostevik K.L., Moyers B.T., Yakimowski S., Masalia R.R., Gao L., Ćalić I., Bowers J.E., Kane N.C., Swanevelder D.Z.H., Kubach T., Muños S., Langlade N.B., Burke J.M., Rieseberg L.H. (2019) Sunflower pan-genome analysis shows that hybridization altered gene content and disease resistance. Nature Plants 1: 54-62
2018
Pecrix Y., Penouilh-Suzette C., Muños S., Vear F. and Godiard L. (2018) Ten Broad Spectrum Resistances to Downy Mildew Physically Mapped on the Sunflower Genome. Frontiers in Plant Science, doi: 10.3389/fpls.2018.01780
Pecrix Y., Staton E., Sallet E., Lelandais-Brière C., Moreau S., Carrère S., Blein T., Jardinaud M.F., Latrasse D., Zouine,M. Zahm M., Kreplak J., Mayjonade B., Satgé C., Perez M., Cauet S., Marande W., Chantry-Darmon C., Lopez-Roques C., Bouchez O., Bérard A., Debellé F., Muños S., Bendahmane A., Bergès H., Niebel A., Buitink J., Frugier F. , Benhamed M., Crespi M., Gouzy J., Gamas P. (2018) Whole-genome landscape of Medicago truncatula symbiotic genes. Nature Plants 4:1017-1025
Subrahmaniam H.J., Libourel C., Journet1 E.P., Morel J.B., Muños S., Niebel A., Raffaele1 S. and Roux F. (2018) The genetics underlying natural variation of plant-plant interactions, a beloved but forgotten member of the family of biotic interactions. The Plant Journal 93:747-770
Bonnafous, F., Fievet, G., Blanchet N., Boniface, M.C., Carrère, S., Gouzy,J., Legrand, L., Marage G., Bret-Mestries, E., Munos, S.; Pouilly, N., Vincourt, P., Langlade, N., Mangin, B. (2018) Comparison of GWAS models to identify non-additive genetic control of flowering time in sunflower hybrids. Theoretical and Applied Genetics 131:319-332
2017
Bordat, A., Marchand, G., Langlade, N., Pouilly, N., Muños, S., Dechamp-Guillaume, G., Vincourt, P., Bret-Mestries, E. (2017) Different genetic architectures underlie crop responses to the same pathogen: the {Helianthus annuus * Phoma macdonaldii} interaction case for black stem disease and premature ripening. BMC Plant Biology Oct 19;17(1):167. doi: 10.1186/s12870-017-1116-1
Mangin B., Bonnafous F., Blanchet N., Boniface M.C., Bret-Mestries E., Carrère S., Cottret L., Legrand L., Marage G., Pegot-Espagnet P., Muños S., Pouilly N., Vear F., Vincourt P. and Langlade N. (2017) Genomic prediction of sunflower hybrids oil content. Front Plant Sci. 2017 Sep 21;8:1633. doi: 10.3389/fpls.2017.01633
Badouin H., Gouzy J., Grassa C.J., … Muños S., Vincourt P., Rieseberg L.H. and Langlade N.. 2017. The sunflower genome provides insights into oil metabolism, flowering and Asterid evolution. Nature, 546: 148-152
Mangin B., Pouilly N., Boniface M.C., Langlade N., Vincourt P., Vear F., Muños S. 2017. Molecular diversity in sunflower populations maintained as genetic resources is affected by multiplication processes and breeding for major traits. Theoretical and Applied Genetic, 130: 1099-1112
Mangin B., Casadebaig P., Cadic E., Blanchet N., Boniface M.C., Carrère S., Gouzy J., Legrand L., Mayjonade B., Pouilly N., André T., Coque M., Piquemal J., Romestant M., Vincourt P., Muños S., and Langlade N. 2017. Genetic control of oil yield plasticity to combined abiotic stresses using a joint approach of crop modeling and genome-wide association. Plant, Cell & Environment Apr 18. doi: 10.1111/pce.12961
2016
Gascuel Q, Buendia L, Pecrix Y, Blanchet N, Muños S, Vear F and Godiard L. 2016. RXLR and CRN effectors from the sunflower downy mildew pathogen Plasmopara halstedii induce hypersensitive-like responses in resistant sunflower lines. Front. Plant Sci. 7:1887. doi: 10.3389/fpls.2016.01887
Mayjonade B., Gouzy J., Donnadieu C., Pouilly N., Marande W., Callot C., Langlade N., Muños S. 2016. Extraction of high-molecular-weight genomic DNA for the long-read sequencing of single molecules. Biotechniques, 61: 203-205
Louarn J, Boniface MC, Pouilly N, Velasco L, Pérez-Vich B, Vincourt P, Muños S. 2016. Race-specific resistance of sunflower to broomrape is controlled by specific QTLs for different developmental stages of Orobanche cumana. Frontiers in Plant Science 2016 May 10;7:590. doi: 10.3389/fpls.2016.00590
Khoufi S., Pouilly N., Muños S., Bérard A., Ben Jeddi F., Vincourt P. and Brunel D. 2016. Genetic diversity and core collection constitution for subsequent creation of new sunflower varieties in Tunisia. Helia, DOI 10.1515/helia-2016-0002
2014
Adiredjo AL, Navaud O, Muños S, Langlade NB, Lamaze T, Grieu P. 2014. Genetic control of water use efficiency and leaf carbon isotope discrimination in sunflower (Helianthus annuus L.) subjected to two drought scenarios. Plos One. 2014; 9:e101218