@article{fdi:010087048, title = {{L}ateral root formation : building a meristem de novo}, author = {{T}rinh, {C}.{D}. and {L}aplaze, {L}aurent and {G}uyomarc'h, {S}.}, editor = {}, language = {{ENG}}, abstract = {{T}he complex and adaptable architecture of the plant root system in soil is of paramount importance for crop growth and performance. {R}oot growth depends on the activity of the root apical meristem, an organised population of proliferating progenitor cells continuously replenished from a stem cell niche. {R}oot branching, which greatly contributes to root system architecture in most dicot species, consists of de novo formation of new root meristems in existing root tissues. {T}his phenomenon illustrates the ability of plants to repeatedly generate new tissues specialised in post-embryonic continuous growth and greatly impacts the elaboration of the root system architecture and its adaptation to environmental constraints. {H}ere, we review the recent findings and models related to lateral root organogenesis in the dicot species {A}rabidopsis thaliana, with emphasis on the mechanisms controlling de novo root meristem formation. {E}xperimental evidence suggests that critical regulatory modules are common between embryonic and post-embryonic root meristem organogenesis and that the lateral root formation molecular pathway is in part common with organ regeneration from callus.}, keywords = {}, booktitle = {}, journal = {{A}nnual {P}lant {R}eviews}, volume = {1}, numero = {3}, pages = {44}, ISSN = {2639-3832 }, year = {2018}, DOI = {10.1002/9781119312994.apr0650}, URL = {https://www.documentation.ird.fr/hor/fdi:010087048}, }