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The “Sunflower-Pests Interactions” team is interested in identifying and understanding the mechanisms of resistance to sunflower broomrape (Orobanche cumana). O. cumana is an obligate parasitic plant. Without roots and incapable of photosynthesis, it develops at the expense of the sunflower by diverting water and nutrients. Up to a hundred broomrapes can attach themselves to a single sunflower stalk. Yield losses can range from 20% to 100% depending on the level of infestation of the field, the level of aggressiveness and virulence of the population. O. cumana occurs from China to southern Spain.
We use genetic, genomic and functional biology approaches to understand the expression of resistance and the molecular and cellular dialogue between sunflower and broomrape. The resistance genes present in cultivated hybrids of sunflower are quickly bypassed, so we are interested in characterizing the diversity of global populations of broomrape to understand their evolution. Remarkably, while the sunflower has been domesticated on the North American continent, O. cumana is not found on the American continent.
We are also working more marginally on resistance to downy mildew in sunflower (Plasmopara halstedii , obligate oomycete) to identify and characterize quantitative resistance and develop genotyping tools to characterize the strains.
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.