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INRAE

24, chemin de Borde Rouge -Auzeville - CS52627 31326 Castanet Tolosan cedex - France

Last update: May 2021

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Ecophysiologie et Génomique Fonctionnelle de la Vigne - Umr 1287 EGVF

Home page Personnel Researchers COOKSON-WODRICH Sarah Jane

UMR 1287 - EGVF

Unité Mixte de Recherche (INRA, ENITAB, Université de Bordeaux)

Ecophysiologie et Génomique Fonctionnelle de la Vigne
I.S.V.V Bordeaux, 210 Chemin de Leysotte

33882 Villenave d’Ornon Cedex, France

COOKSON-WODRICH Sarah Jane

Animateur Axe 'Plante Greffée'

COOKSON-WODRICH Sarah Jane
Directrice de Recherche HDR - INRAE

Nationalité : Angleterre

Domaine de recherche

Je travaille sur les interactions porte-greffe/greffon chez la vigne et leurs effets sur les caractéristiques développementales de la plante entière. Les effets des porte-greffes sur la croissance du greffon s’appellent vigueur conférée, ils sont bien connus par les viticulteurs mais très peu étudiés et peu caractérisés. Nous cherchons à identifier les mécanismes qui contrôlent ce phénomène mais ils sont encore largement inconnus. Chez les espèces fruitières ligneuses où le greffage est un élément clef du système cultural, ces interactions sont un frein à l'amélioration génétique, puisque de nombreuses propriétés de l'assemblage ne peuvent être déduites des propriétés individuelles des partenaires.

Ma recherche a débuté en été 2009 avec la caractérisation de la vigueur conférée de jeunes plants de Cabernet Sauvignon greffé sur les porte-greffes qui confèrent soit une vigueur forte (1103 Paulsen) soit une vigueur faible (Riparia Gloire de Montpellier) avec le témoin Cabernet Sauvignon greffé sur Cabernet Sauvignon. J'ai fait une analyse détaillée de croissance des feuilles, pétioles, vrilles et tiges du greffon Cabernet Sauvignon à l’échelle de l'organe et de la cellule. Cette caractérisation a été complémentée par les analyses transcriptomiques des méristèmes apicaux de la tige et les analyses biochimiques des feuilles et des tiges. Nous essayerons également de faire une analyse des microARNs présents dans la sève élaborée afin d'identifier si les ARN qui circulent dans le phloème sont impliqués dans le contrôle de vigueur conférée chez la vigne.

Publications récentes

  • Guillaumie S, Decroocq S, Ollat N, Delrot S, Gomes E, Cookson SJ, 2020. Dissecting the control of shoot development in grapevine: genetics and genomics identify potential regulators. BMC Plant Biology, in press
  • Marguerit E, Gautier A, Cookson SJ, Lagalle L, Ollat N, 2020. Petiole phosphorus, magnesium and sulphur concentrations are controlled by rootstocks with Vitis riparia genetic background in grapevine. OENO One, in press
  • Gautier A, Chambaud C, Brocard L, Ollat N, Gambetta GA, Delrot S, Cookson SJ, 2019. Merging genotypes: graft union formation and scion/rootstock interactions. Journal of Experimental Botany 70, 747-755.
  • Prodhomme D, Valls Fonayet J, Hevin C, Franc C, Hilbert G, de Revel G, Richard T, Ollat N, Cookson SJ, 2019. Metabolite profiling during graft union formation reveals the reprogramming of primary metabolism and the induction of stilbene synthesis at the graft interface in grapevine. BMC Plant Biology 19, 599.
  • Gautier A, Cookson SJ, Hevin C, Vivin P, Lauvergeat A, Mollier A, 2018. Phosphorus acquisition efficiency and phosphorus remobilization mediate genotype-specific differences in shoot phosphorus content in grapevine. Tree Physiology 38, 1742–1751.
  • Tandonnet JP, Marguerit E, Cookson SJ, Ollat N, 2018. Genetic architecture of aerial and root traits in field-grown grafted grapevines is largely independent. Theoretical and Applied Genetics 131, 903-915.
  • Cochetel N, Escude F, Cookson SJ, Dai Z, Vivin P, Bert PF, Munoz MS, Delrot S, Klopp C, Ollat N, Lauvergeat V, 2017. Root transcriptomic responses of grafted grapevines to heterogeneous nitrogen availability depend on rootstock genotype. Journal of Experimental Botany 68, 4339-4355.
  • Cookson SJ, Yadav UP, Klie S, Morcuende R, Usadel B, Lunn JE, Stitt M, 2016. Temporal kinetics of the transcriptional response to carbon depletion and sucrose readdition in Arabidopsis seedlings. Plant Cell and Environment 39, 768-786.
  • Rossdeutsch L, Edwards E, Cookson SJ, Barrieu F, Gambetta GA, Delrot S, Ollat N, 2016. ABA-mediated responses to water deficit separate grapevine genotypes by their genetic background. BMC Plant Biology 16, 91.
  • Lecourt J, Lauvergeat V, Ollat N, Vivin P, Cookson SJ, 2015. Shoot and root ionome responses to nitrate supply in grafted grapevines are rootstock genotype dependent. Australian Journal of Grape and Wine Research21, 311-318.
  • Clemente Moreno MJ, Hevin C, Ollat N, Cookson SJ, 2014. Developments at the graft interface in homo- and hetero-grafts gene expression and histological changes during the first month after grafting. Plant Signaling and Behavior 9, e28852.
  • Cookson SJ, Clemente Moreno MJ, Hevin C, Nyamba Mendome LZ, Delrot S, Magnin N, Trossat-Magnin C, Ollat N, 2014. Hetero-grafting with non-self rootstocks induces genes involved in stress responses at the graft interface when compared with auto-grafted controls. Journal of Experimental Botany 65, 2473-2481.
  • Cookson SJ, Clemente Moreno MJ, Hevin C, Mendome LZN, Delrot S, Trossat-Magnin C, Ollat N, 2013. Graft union formation in grapevine induces transcriptional changes related to cell wall modification, wounding, hormone signalling, and secondary metabolism. Journal of Experimental Botany 64, 2997-3008.
  • Cookson SJ, Ollat N, 2013. Grafting with rootstocks induces extensive transcriptional re-programming in the shoot apical meristem of grapevine. BMC Plant Biology 13, 14.
  • Cookson SJ, Hevin C, Donnart M, Ollat N, 2012. Grapevine rootstock effects on scion biomass are not associated with large modifications of primary shoot growth under nonlimiting conditions in the first year of growth.Functional Plant Biology 39, 650-660.
  • Milien M, Renault-Spilmont AS, Cookson SJ, Sarrazin A, Verdeil JL, 2012. Visualization of the 3D structure of the graft union of grapevine using X-ray tomography. Scientia Horticulturae 144, 130-140.
  • Cookson SJ, Hevin C, Donnart M, Ollat N, 2012. Grapevine rootstock effects on scion biomass are not associated with large modifications of primary shoot growth under non-limiting conditions in the first year of growth. Functional Plant Biology 39, 650-660.

See also

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