@article{fdi:010062426,
  title = {{G}enetic diversity patterns and functional traits of {B}radyrhizobium strains associated with {P}terocarpus officinalis {J}acq. in {C}aribbean islands and {A}mazonian forest ({F}rench {G}uiana)},
  author = {{L}e {R}oux, {C}. and {M}uller, {F}. and {B}ouvet, {J}. {M}. and {D}reyfus, {B}ernard and {B}{\'e}na, {G}illes and {G}aliana, {A}. and {B}â, {A}madou},
  editor = {},
  language = {{ENG}},
  abstract = {{P}terocarpus officinalis {J}acq. is a legume tree native to the {C}aribbean islands and {S}outh {A}merica growing as a dominant species in swamp forests. {T}o analyze (i) the genetic diversity and (ii) the symbiotic properties of its associated nitrogen-fixing soil bacteria, root nodules were collected from {P}. officinalis distributed in 16 forest sites of the {C}aribbean islands and {F}rench {G}uiana. {T}he sequencing of the 16{S}-23{S} ribosomal {RNA} intergenic spacer region ({ITS}) showed that all bacteria belonged to the {B}radyrhizobium genus. {B}acteria isolated from insular zones showed very close sequence homologies with {B}radyrhizobium genospecies {V} belonging to the {B}radyrhizobium japonicum super-clade. {B}y contrast, bacteria isolated from continental region displayed a larger genetic diversity and belonged to {B}. elkanii super-clade. {T}wo strains from {P}uerto {R}ico and one from {F}rench {G}uiana were not related to any known sequence and could be defined as a new genospecies. {I}noculation experiments did not show any host specificity of the {B}radyrhizobium strains tested in terms of infectivity. {H}owever, homologous {B}radyrhizobium sp. strain-{P}. officinalis provenance associations were more efficient in terms of nodule production, {N} acquisition, and growth than heterologous ones. {T}he dominant status of {P}. officinalis in the islands may explain the lower bacterial diversity compared to that found in the continent where {P}. officinalis is associated with other leguminous tree species. {T}he specificity in efficiency found between {B}radyrhizobium strains and host tree provenances could be due to a coevolution process between both partners and needs to be taken in consideration in the framework of rehabilitation plantation programs.},
  keywords = {{GUYANE} {FRANCAISE} ; {AMAZONIE} ; {CARAIBE}},
  booktitle = {},
  journal = {{M}icrobial {E}cology},
  volume = {68},
  numero = {2},
  pages = {329--338},
  ISSN = {0095-3628},
  year = {2014},
  DOI = {10.1007/s00248-014-0392-7},
  URL = {https://www.documentation.ird.fr/hor/fdi:010062426},
}