@article{fdi:010080981, title = {{G}enetics of nodulation in {A}eschynomene evenia uncovers mechanisms of the rhizobium-legume symbiosis}, author = {{Q}uilb{\'e}, {J}. and {L}amy, {L}{\'e}o and {B}rottier, {L}aurent and {L}eleux, {P}. and {F}ardoux, {J}o{\¨e}l and {R}ivallan, {R}. and {B}enichou, {T}. and {G}uyonnet, {R}. and {B}ecana, {M}. and {V}illar, {I}. and {G}arsmeur, {O}. and {H}ufnagel, {B}. and {D}elteil, {A}mandine and {G}ully, {D}jamel and {C}haintreuil, {C}l{\'e}mence and {P}ervent, {M}. and {C}artieaux, {F}abienne and {B}ourge, {M}. and {V}alentin, {N}. and {M}artin, {G}. and {F}ontaine, {L}. and {D}roc, {G}. and {D}ereeper, {A}lexis and {F}armer, {A}. and {L}ibourel, {C}. and {N}ouwen, {N}ico and {G}ressent, {F}. and {M}ournet, {P}. and {D}'{H}ont, {A}. and {G}iraud, {E}ric and {K}lopp, {C}. and {A}rrighi, {J}ean-{F}ran{\c{c}}ois}, editor = {}, language = {{ENG}}, abstract = {{A}mong legumes ({F}abaceae) capable of nitrogen-fixing nodulation, several {A}eschynomene spp. use a unique symbiotic process that is independent of {N}od factors and infection threads. {T}hey are also distinctive in developing root and stem nodules with photosynthetic bradyrhizobia. {D}espite the significance of these symbiotic features, their understanding remains limited. {T}o overcome such limitations, we conduct genetic studies of nodulation in {A}eschynomene evenia, supported by the development of a genome sequence for {A}. evenia and transcriptomic resources for 10 additional {A}eschynomene spp. {C}omparative analysis of symbiotic genes substantiates singular mechanisms in the early and late nodulation steps. {A} forward genetic screen also shows that {A}e{CRK}, coding a receptor-like kinase, and the symbiotic signaling genes {A}e{POLLUX}, {A}e{CC}am{K}, {A}e{CYCLOPS}, {A}e{NSP}2, and {A}e{NIN} are required to trigger both root and stem nodulation. {T}his work demonstrates the utility of the {A}. evenia model and provides a cornerstone to unravel mechanisms underlying the rhizobium-legume symbiosis. {T}he establishment of symbiotic interaction between {A}eschynomene evenia and photosynthetic bradyrhizobia doesn't involve the canonical {N}od factors and infection threads. {H}ere, the authors assemble the draft genome of {A}. evenia and identify a receptor-like kinase in mediating the symbiotic interaction.}, keywords = {}, booktitle = {}, journal = {{N}ature {C}ommunications}, volume = {12}, numero = {1}, pages = {829 [14 ]}, ISSN = {2041-1723}, year = {2021}, DOI = {10.1038/s41467-021-21094-7}, URL = {https://www.documentation.ird.fr/hor/fdi:010080981}, }