@article{fdi:010066038, title = {{E}ndemic {M}imosa species from {M}exico prefer alphaproteobacterial rhizobial symbionts}, author = {{B}ontemps, {C}. and {R}ogel, {M}. {A}. and {W}iechmann, {A}. and {M}ussabekova, {A}. and {M}oody, {S}. and {S}imon, {M}. {F}. and {M}oulin, {L}ionel and {E}lliott, {G}. {N}. and {L}acercat-{D}idier, {L}. and {D}asilva, {C}. and {G}rether, {R}. and {C}amargo-{R}icalde, {S}. {L}. and {C}hen, {W}. {M}. and {S}prent, {J}. {I}. and {M}artinez-{R}omero, {E}. and {Y}oung, {J}. {P}. {W}. and {J}ames, {E}. {K}.}, editor = {}, language = {{ENG}}, abstract = {{T}he legume genus {M}imosa has > 500 species, with two major centres of diversity, {B}razil (c. 350 spp.) and {M}exico (c. 100 spp.). {I}n {B}razil most species are nodulated by {B}urkholderia. {H}ere we asked whether this is also true of native and endemic {M}exican species. {W}e have tested this apparent affinity for betaproteobacteria by examining the symbionts of native and endemic species of {M}imosa in {M}exico, especially from the central highlands where {M}imosa spp. have diversified. {N}odules were tested for betaproteobacteria using in situ immunolocalization. {R}hizobia isolated from the nodules were genetically characterized and tested for their ability to nodulate {M}imosa spp. {I}mmunological analysis of 25 host taxa suggested that most (including all the highland endemics) were not nodulated by betaproteobacteria. {P}hylogenetic analyses of 16{S} r{RNA}, rec{A}, nod{A}, nod{C} and nif{H} genes from 87 strains isolated from 20 taxa confirmed that the endemic {M}exican {M}imosa species favoured alphaproteobacteria in the genera {R}hizobium and {E}nsifer: this was confirmed by nodulation tests. {H}ost phylogeny, geographic isolation and coevolution with symbionts derived from very different soils have potentially contributed to the striking difference in the choice of symbiotic partners by {M}exican and {B}razilian {M}imosa species.}, keywords = {{B}urkholderia ; {E}nsifer ; legume ; nodulation ; {M}imosa ; nitrogen ({N}) fixation ; {R}hizobium ; {MEXIQUE}}, booktitle = {}, journal = {{N}ew {P}hytologist}, volume = {209}, numero = {1}, pages = {319--333}, ISSN = {0028-646{X}}, year = {2016}, DOI = {10.1111/nph.13573}, URL = {https://www.documentation.ird.fr/hor/fdi:010066038}, }