@article{fdi:010070825,
  title = {{P}earl millet genetic traits shape rhizobacterial diversity and modulate rhizosphere aggregation},
  author = {{N}dour, {P}. {M}. {S}. and {G}ueye, {M}. and {B}arakat, {M}. and {O}rtet, {P}. and {B}ertrand-{H}uleux, {M}. and {P}ablo, {A}nne-{L}aure and {D}ezette, {D}. and {C}hapuis {L}ardy, {L}ydie and {A}ssigbets{\'e}, {K}omi and {K}ane, {N}. {A}. and {V}igouroux, {Y}ves and {A}chouak, {W}. and {N}doye, {I}. and {H}eulin, {T}. and {C}ournac, {L}aurent},
  editor = {},
  language = {{ENG}},
  abstract = {{R}oot exudation contributes to soil carbon allocation and also to microbial {C} and energy supply, which subsequently impacts soil aggregation around roots. {B}iologically-driven soil structural formation is an important driver of soil fertility. {P}lant genetic determinants of exudation and more generally of factors promoting rhizosphere soil aggregation are largely unknown. {H}ere, we characterized rhizosphere aggregation in a panel of 86 pearl millet inbred lines using a ratio of root-adhering soil dry mass per root tissue dry mass ({RAS}/{RT}). {T}his ratio showed significant variations between lines, with a roughly 2-fold amplitude between lowest and highest average values. {F}or 9 lines with contrasting aggregation properties, we then compared the bacterial diversity and composition in root-adhering soil. {B}acterial alpha-diversity metrics increased with the "{RAS}/{RT} ratio." {R}egarding taxonomic composition, the {R}hizobiales were stimulated in lines showing high aggregation level whereas {B}acillales were more abundant in lines with low ratio. 184 strains of cultivable exopolysaccharides-producing bacteria have been isolated from the rhizosphere of some lines, including members from {R}hizobiales and {B}acillales. {H}owever, at this stage, we could not find a correlation between abundance of {EPS}-producing species in bacterial communities and the ratio {RAS}/{RT}. {T}hese results illustrated the impact of cereals genetic trait variation on soil physical properties and microbial diversity. {T}his opens the possibility of considering plant breeding to help management of soil carbon content and physical characteristics through carbon rhizodeposition in soil.},
  keywords = {pearl millet ; rhizosphere ; soil aggregation ; 16{S} r{DNA} sequencing ; metabarcoding ; {EPS} producing bacteria ; rhizosheath},
  booktitle = {},
  journal = {{F}rontiers in {P}lant {S}cience},
  volume = {8},
  numero = {},
  pages = {art. 1288 [14 ]},
  ISSN = {1664-462{X}},
  year = {2017},
  DOI = {10.3389/fpls.2017.01288},
  URL = {https://www.documentation.ird.fr/hor/fdi:010070825},
}