Garbaye Jean

Research scientist (DR1)

  • e-mail:
  • UMR INRA-UHP Tree-Microorganisms Interactions
    54280 Champenoux (France)
  • Phone +33 (0)3 83 39 40 79
  • Fax: +33 (0)3 83 39 40 69

Main scientific fields in forest ecology

Microbial interactions in the rhizosphere of forest trees
• Rhizosphere microbes involved in forest die-back
• Competitive relations in ectomycorrhizal (ECM) communities
• Dynamics of ECM populations
• Soil bacteria and ECM formation
• Mycorrhization helper bacteria (MHBs)

Functional diversity of ECM communitiesmycorhize jean
• Development of high-throughput enzymatic assays for testing ECMs
• Functional structure of ECM communities in space and time
• Functional response of ECM communities to natural and anthropogenic disturbances
• Role of ECM communities in the resilience of forest ecosystems
• Coordination of the FUNDIV project on Conserving and Exploiting the Functional Diversity of Ectomycorrhizal Fungi in Forest Ecosystems (France, Switzerland, Germany)

Main fields of application to sylviculture
• Controlled mycorrhization of forest nurseries and plantations
• Controlled mycorrhization of urban trees
• Ectomycorrhizal inoculum technology
• Mycorrhization helper bacteria (MHBs) and controlled mycorrhization
field jean


Selected publications of the past ten years

BÉREAU M, BARIGAH TS, LOUISANNA E, GARBAYE J, 2000. Effects of endomycorrhizal development and light regimes on the growth of Dicorynia guianensis Amshhoff seedlings. Ann. For. Sci. 57, 725-733.
BRULE C, FREY-KLETT P, PIERRAT JC, COURRIER S, GERARD F, LEMOINE MC, ROUSSELET JL, SOMMER J, GARBAYE J, 2001. Survival in the soil of the ectomycorrhizal fungus Laccaria bicolor  and the effects of a mycorrhiza helper Pseudomonas fluorescens. Soil Biology and Biochemistry 33, 1683-1694.
JANY JL, GARBAYE J, MARTIN F, 2002. High levels of diversity detected in the asexual ectomycorrhizal ascomycete Cenococcum geophilum using RAPD markers, ribotyping and DNA sequencing. New Phytol. 154, 651-659.
GAMALERO E., FRACCHIA L., CAVALETTO M., GARBAYE J., FREY-KLETT P., VARESE G.C. MARTINOTTI M.G. 2003. Characterization of functional traits of two fluorescent pseudomonads from basidiomes of ectomycorrhizal fungi. Soil Biology and Biochemistry 35, 55-65.
JANY JL, MARTIN F, GARBAYE J, 2003. Respiration activity of ectomycorrhizas from Cenococcum geophilum and Lactarius sp. in relation to soil water potential in five beech forests. Plant and Soil 255: 487-494.
BERTAUX J., M. SCHMID, N. CHEMIDLIN PREVOST-BOURE, J. L. CHURIN, A. HARTMANN, J. GARBAYE, AND P. FREY-KLETT. 2003. In situ identification of intracellular bacteria related to Paenibacillus spp. in the mycelium of the ectomycorrhizal fungus Laccaria bicolor S238N. Appl. Env. Microbiol.  69 : 4243-4248.
De GRANDCOURT A, EPRON D, MONTPIED P, LOUISANNA E, BÉREAU M, b, GUEHL JM, 2004. Contrasting responses to mycorrhizal inoculation and phosphorus availibility in seedlings of two tropical rainforest tree species. New Phytologist 161 : 865-875.
BOGEAT-TRIBOULOT M-B, BARTOLI F, GARBAYE J, MARMEISSE R, TAGU D, 2004. Fungal ectomycorrhizal community and drought affect root hydraulic properties and soil adherence to roots of Pinus pinaster seedlings. Plant and Soil 267, 213-223.
TAGU D, BASTIEN C, FAIVRE-RAMPANT P, GARBAYE J, VION P, VILLAR M, MARTIN F, 2004. Genotypic analysis and phenotypic variation for ectomycorrhiza formation in an interspecific F1 poplar full-sib family. Mycorrhiza 15(2), 87-91.
HEINONSALO J, FREY-KLETT P, PIERRAT JC, CHURIN JL, VAIRELLES D, GARBAYE J, 2004. Fate, tree growth effect and potential impact on soil microbial communities of mycorrhizal and bacterial inoculation in a forest plantation. Soil Biology and Biochemistry 36, 211-216.
BUEE M, VAIRELLES D, GARBAYE J, 2005. Year-round monitoring of diversity and potential metabolic activity of the ectomycorrhizal community in a beech (Fagus silvatica) forest subjected to two thinning regimes. Mycorrhiza 15(4), 235-245.
COURTY P-E, PRITSCH K, SCHLOTER M, HARTMANN A, b, 2005. Activity profiling of ectomycorrhiza communities in two forest soils using multiple enzymatic tests. New Phytologist 167, 309-319.
FREY-KLETT P, CHAVATTE M, CLAUSSE M-L, COURRIER S, LE ROUX C, RAAIJMAKERS J, MARTINOTTI M-G, PIERRAT J-C, GARBAYE J, 2005. Ectomycorrhizal symbiosis affects functional diversity of rhizosphere fluorescent pseudomonads. New Phytologist 165, 317-328.
BÉREAU M, BONAL D, LOUISANNA E, GARBAYE J, 2005. Do mycorrhizas improve tropical tree seedling performance under water stress and low light conditions? A case study with Dicorynia guianensis (Caesapinaceae). Journal of Tropical Ecology 21, 375-381.
COURTY PE, POUYSEGUR R, BUEE M, GARBAYE J, 2005. Laccase and phosphatase activities of the dominant ectomycorrhizal types in a lowland oak forest. Soil Biology and Biochemistry 38, 1219-1222.
BERTAUX J, SCHMID M, HUTZLER P, HARTMANN A, GARBAYE J, FREY-KLETT P, 2005. Occurrence and distribution of endobacteria in the plant-associated mycelium of the ectomycorrhizal fungus Laccaria bicolor S238N. Environmental Microbiology 7(11), 1786-1795.
FREY-KLETT P, GARBAYE J, 2005. Mycorrhiza helper bacteria: a promising model for the genomic analysis of fungal-bacterial interactions. New Phytologist 168(1), 4-8.
ASPRAY TJ, FREY-KLETT P, JONES JE, WHIPPS JM, GARBAYE J, BENDING G, 2006. Mycorrhization helper bacteria: a case of specificity for altering ectomycorrhiza architecture but not ectomycorrhiza formation. Mycorrhiza 16, 533-541.
MONTECCHIO L, ROSSI S, COURTY P-E, GARBAYE J, 2006. Entoloma nitidum Quél. + Carpinus betulus L. In Description of Ectomycorrhizae (Agerer R, Danielson RM, Egli S, Ingleby K, Luoma D, Treu R, eds) 9/10: 33-38.
Di PIETRO M, CHURIN JL, GARBAYE J, 2007. Differential ability of ectomycorrhizas to survive drying. Mycorrhiza 17, 547-550.
COURTY PE, BREDA N, GARBAYE J, 2007. Relation between oak tree phenology and the secretion of organic matter degrading enzymes by Lactarius quietus ectomycorrhizas before and during bud break. Soil Biology and Biochemistry 39, 1655-1663.
BARBIERI E, GUIDI C, BERTAUX J, FREY-KLETT P, GARBAYE J, CECCAROLI P, SALTARELLI R, ZAMBONELLI A, STOCCHI V, 2007. Occurrence and diversity of bacterial communities in Tuber magnatum during truffle maturation. Environmental Microbiology 9(9), 2234-2246.
MOSCA E, MONTECCHIO L, STELLA L, GARBAYE J, 2007. Short-term effect of removing tree competition on the ectomycorrhizal status of a declining pedunculate oak forest (Quercus robur L.). Forest Ecology and Management 244, 129-140.
BUEE M, COURTY PE, MIGNOT D, GARBAYE J, 2007. Soil niche effect on species diversity and catabolic activities in an ectomycorrhizal fungal community. Soil Biology and Biochemistry 39, 1947-1955.
MOSCA E, MONTECCHIO L, SCATTOLIN L, GARBAYE J, 2007 ; Enzymatic activities of three ectomycorrhizal types of Quercus robur ectomycorrhiza in relation to tree decline and thinning. Soil Biology and Biochemistry 39, 2897-2904.
DEVEAU A, PALIN B, DELARUELLE C, PETER M, KOHLER A, PIERRAT JC, SARNIGUET A, GARBAYE J, MARTIN F, FREY-KLETT P, 2007. The mycorrhiza helper pseudomonas fluorescens Bbc6R8 has a specific priming effect on the growth, morphology and gene expression of the ectomycorrhizal fungus Laccaria bicolor S238N. New Phytologist doi : 10.1111/j.1469-8137.2007.02148.x
RINEAU F, COURTY PE, UROZ S, BUÉE M, GARBAYE J. 2008. Simple microplate assays to measure iron mobilization and oxalate secretion by ectomycorrhizal tree roots. Soil Biology and Biochemistry 40, 2460-2463.
LEKOUNOUGOU S, MOUNGUENGUI S, DUMARCAIS S, ROSE C, COURTY PE, GARBAYE J, GERARDIN P, JACQUOT JP, GELHAYE E, 2008. Initial stages of Fagus sylvatica wood colonization by the white-rot basidiomycete Trametes versicolor: enzymatic characterization. International Biodeterioration and Biodegradation 61, 287-293.
COURTY PE, FRANC A, PIERRAT JC, GARBAYE J, 2008. Temporal Changes in the Ectomycorrhizal Community in Two Soil Horizons of a Temperate Oak Forest. Applied and Environmental Microbiology 74(18), 5792-5801.
FREY-KLETT P, DEVEAU A, TARKKA M, UROZ S, PALIN B, PIERRAT JC, MARTIN F, GARBAYE J, 2009. Interactions between bacteria and ectomycorrhizal fungi: what’s new? In: Multitrophic Interactions in Soil, IOBC bulletin 42, 57-61.
GARBAYE J, 2009. Contribution of bacteria to the functional diversity of ectomycorrhizas in forest ecosystems. Multitrophic Interactions in Soil, IOBC bulletin 42, 73-76.
RINEAU F, GARBAYE J, 2009. Consequences of liming on ectomycorrhizal community structure and functioning. Multitrophic Interactions in Soil, IOBC bulletin 42, 145-149.
COURTY PE, HOEGGER PJ, KILARU S, KOHLER A, BUEE M, GARBAYE J, MARTIN F, KÜES U, 2009. Phylogenetic analysis, genomic organization, and expression of multi-copper oxidases in the ectomycorrhizal basidiomycete Laccaria bicolor. New Phytologist, doi 10.1111/j.1469-8137.2009.02774.x
COURTY PE, POLETTO M, DUCHAUSSOY F, BUEE M, GARBAYE J, MARTIN F, 2009. Gene transcription in  Lactrius quietus-Quercus petraea ectimycorrhizas from a forest soil. Applied and Environmental Microbiology 74(21), 6598-6605.
RINEAU F, GARBAYE J, 2009. Effects of liming on ectomycorrhizal community structure in relation to soil horizons and tree hosts. Fungal Ecology 2, 103-109.
RINEAU F, MAURICE JP, NYS C, VOIRY H, GARBAYE J, 2009. Forest liming durably impacts the diversity of ectomycorrhizas and epigeous fruiting bodies. Annals of Forest Sciences, in press.
RINEAU F, GARBAYE J, 2009. Does forest liming impact the enzymatic profiles of ectomycorrhizal communities through specialized fungal symbionts? Mycorrhiza DOI10.1007/s00572-009-0249-y
DIEDHIOU A, DUPOUEY JL, BUEE, M, DAMBRINE E, LAÜT L, GARBAYE J, 2009. Response of ectomycorrhizal communities to past Roman occupation in an oak forest. Soi Biology and Biochemistry. Doi: 10.1016/j.soilbio.2009.08.005
DIEDHIOU A, DUPOUEY JL, BUEE, M, DAMBRINE E, LAÜT L, GARBAYE J, 2009. Response of ectomycorrhizal communities to past Roman occupation in an oak forest. Soi Biology and Biochemistry. Doi: 10.1016/j.soilbio.2009.08.005