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Jargeat Patricia

Icone contact Email

Icone telephone 33 (0)5 61 55 67 55

Maître de Conférences - Université Paul Sabatier, Toulouse 3

Laboratoire EDB
bâtiment 4R1
118 route de Narbonne
31062 Toulouse



Interactions mutualistes plantes - champignons

  • La symbiose ectomycorhizienne : cas des aulnes et des champignons mycorhiziens associés
  • Une symbiose tripartite : Hirtella physophora (plante), Allomerus decemarticulatus (fourmi) et un champignon


Botanique, Mycologie, Biologie Végétale, Biologie des interactions plantes-microorganismes,
en Licence de Biologie des Organismes, des Populations et des Ecosystèmes (BOPE) et en Master d’Ecologie


Jargeat P, Chaumeton JP, Navaud O, Vizzini A, Gryta H. (2014). The Paxillus involutus (Boletales, Paxillaceae) complex in Europe : genetic diversity and morphological description of the new species Paxillus cuprinus, typification of P. involutus s.s. and synthesis of species boundaries. Fungal Biology 118 : 12-31

Roy M, Rochet J, Manzi S, Jargeat P, Gryta H, Moreau P-A, Gardes M. (2013) What determines Alnus-associated ectomycorrhizal community diversity and specificity ? A comparison of host and habitat effects at a regional scale. New Phytologist 198 : 1128-1238

Moreau P-A, Welti S, Perić B, Jargeat P, Manzi S, Vizzini A. (2013). Alpova komoviana (Boletales, Paxillaceae), a new sequestrate fungus from Montenegro, with a revised phylogeny of the genus in Europe. Mycological Progress 12 : 109-119

 Jargeat P, Martos F, Carriconde F, Gryta H, Moreau P-A, Gardes M. (2010). Phylogenetic species delimitation in ectomycorrhizal fungi and implications for barcoding : the case of the Tricholoma scalpturatum complex. Molecular Ecology 19 : 5216-5230

Ruiz-González MX, Malé PJG, Leroy C, Dejean A, Gryta H, Jargeat P, Quilichini A , Orivel J. (2011). Specific, non-nutritional association between an Ascomycete fungus and Allomerus plant-ants. Biology Letters 7 : 475-479  

Leroy C, Delmas-Séjalon N, Jauneau A, Ruiz-Gonzalez, M-X, Gryta H, Jargeat P, Corbara B, Dejean A, Orivel J. (2011) Trophic mediation by a fungus in an ant-plant mutualism. Journal of Ecology 99 : 583–590
Carriconde F, Gryta H, Jargeat P, Mouhamadou B, Gardes M. (2008). High sexual reproduction and limited contemporary dispersal in the ectomycorrhizal fungus Tricholoma scalpturatum  : new insights from population genetics and spatial autocorrelation analysis. Molecular Ecology 17 : 4433-4445
Mouhamadou B, Carriconde F, Gryta H, Jargeat P, Manzi S, Gardes M. (2008). Molecular evolution of mitochondrial ribosomal DNA in the fungal genus Tricholoma  : Barcoding implications. Fungal Genetics Biology 45 : 1219-1226.
Carriconde F, Gardes M, Jargeat P, Heilmann-Clausen J, Mouhamadou B, Gryta H. (2008). Population evidence of cryptic species and geographical structure in the cosmopolitan ectomycorrhizal fungus, Tricholoma scalpturatum. Microbial Ecology 56 : 513-524.
Lumini E, Bianciotto V, Jargeat P, Novero M, Salvioli A, Faccio A, Bécard G, Bonfante P. (2007). Presymbiotic growth and sporal morphology are affected in the arbuscular mycorrhizal fungus Gigaspora margarita cured of its endobacteria. Cellular Microbiology 9 : 1716-1729
Gryta H, Carriconde F, Charcosset JY, Jargeat P, Gardes M. (2006). Population dynamics of the ectomycorrhizal fungal species Tricholoma populinum and Tricholoma scalpturatum associated with black poplar under differing environmental conditions. Environmental Microbiology 8 : 773-786.
Jargeat P, Cosseau C, Ola’h B, Jauneau A, Bonfante P, Batut J, Bécard G. (2004).
Isolation, free-living capacities and genome structure of Candidatus Glomeribacter gigasporarum, the endocellular bacteria of the mycorrhizal fungus Gigaspora margarita. Journal of Bacteriology 186 : 6876-6884
Bianciotto V, Genre A, Jargeat P, Lumini E, Becard G and Bonfante P (2004).
Vertical transmission of endobacteria in the arbuscular mycorrhizal fungus Gigaspora margarita through vegetative spore generations. Applied and Environmental Microbiology 70 : 3600-3608
Jargeat P, Rekangalt D, Verner MC, Gay G, Debaud JC, Marmeisse R, Fraissinet-Tachet L. (2003). Characterisation and expression analysis of a nitrate transporter and nitrite reductase genes, two members of a gene cluster for nitrate assimilation from the symbiotic basidiomycete Hebeloma cylindrosporum. Current Genetics 43 : 199-205
Jargeat P, Gay G, Debaud JC, Marmeisse R. (2000). Molecular organisation and transcriptional regulation of nitrate reductase genes isolated from the symbiotic basidiomycete fungus Hebeloma cylindrosporum. Molecular and General Genetics 263 : 948-956
Marmeisse R, Jargeat P, Wagner F, Gay G, Debaud JC. (1998). Isolation and characterization of nitrate reductase deficient mutants of the ectomycorrhizal fungus Hebeloma cylindrosporum. New Phytologist 140 :  311-318