@article{fdi:010078003, title = {{H}ow deep can ectomycorrhizas go? {A} case study on {P}isolithus down to 4 meters in a {B}razilian eucalypt plantation}, author = {{R}obin, {A}. and {P}radier, {C}. and {S}anguin, {H}. and {M}ah{\'e}, {F}. and {L}ambais, {G}. {R}. and {P}ereira, {A}. {P}. {D}. and {G}ermon, {A}. and {S}antana, {M}. {C}. and {T}isseyre, {P}ierre and {P}ablo, {A}nne-{L}aure and {H}euillard, {P}. and {S}auvadet, {M}arie and {B}ouillet, {J}. {P}. and {A}ndreote, {F}. {D}. and {P}lassard, {C}. and {G}on{\c{c}}alves, {J}. {L}. {D}. and {C}ardoso, {E}jbn and {L}aclau, {J}. {P}. and {H}insinger, {P}. and {J}ourdan, {C}.}, editor = {}, language = {{ENG}}, abstract = {{D}espite the strong ecological importance of ectomycorrhizal ({ECM}) fungi, their vertical distribution remains poorly understood. {T}o our knowledge, {ECM} structures associated with trees have never been reported in depths below 2 meters. {I}n this study, fine roots and {ECM} root tips were sampled down to 4-m depth during the digging of two independent pits differing by their water availability. {A} meta-barcoding approach based on {I}llumina sequencing of internal transcribed spacers ({ITS}1 and {ITS}2) was carried out on {DNA} extracted from root samples (fine roots and {ECM} root tips separately). {ECM} fungi dominated the rootassociated fungal community, with more than 90% of sequences assigned to the genus {P}isolithus. {T}he morphological and barcoding results demonstrated, for the first time, the presence of {ECM} symbiosis down to 4-m. {T}he molecular diversity of {P}isolithus spp. was strongly dependent on depth, with soil p{H} and soil water content as primary drivers of the {P}isolithus spp. structure. {A}ltogether, our results highlight the importance to consider the {ECM} symbiosis in deep soil layers to improve our understanding of fine roots functioning in tropical soils.}, keywords = {{D}eep fine roots ; {ECM} root tips ; {E}ucalyptus grandis ; {N}ext-generation sequencing ; {D}iversity ; {T}ropical forest plantations ; {BRESIL} ; {ZONE} {TROPICALE}}, booktitle = {}, journal = {{M}ycorrhiza}, volume = {29}, numero = {6}, pages = {637--648}, ISSN = {0940-6360}, year = {2019}, DOI = {10.1007/s00572-019-00917-y}, URL = {https://www.documentation.ird.fr/hor/fdi:010078003}, }