@article{fdi:010060885,
  title = {{L}ateral root morphogenesis is dependent on the mechanical properties of the overlaying tissues},
  author = {{L}ucas, {M}ika{\¨e}l and {K}enobi, {K}. and von {W}angenheim, {D}. and {V}oss, {U}. and {S}warup, {K}. and {D}e {S}met, {I}. and {V}an {D}amme, {D}. and {L}awrence, {T}. and {P}eret, {B}. and {M}oscardi, {E}. and {B}arbeau, {D}. and {G}odin, {C}. and {S}alt, {D}. and {G}uyomarc'h, {S}. and {S}telzer, {E}.{H}.{K}. and {M}aizel, {A}. and {L}aplaze, {L}aurent and {B}ennett, {M}.{J}.},
  editor = {},
  language = {{ENG}},
  abstract = {{I}n {A}rabidopsis, lateral root primordia ({LRP}s) originate from pericycle cells located deep within the parental root and have to emerge through endodermal, cortical, and epidermal tissues. {T}hese overlaying tissues place biomechanical constraints on the {LRP}s that are likely to impact their morphogenesis. {T}his study probes the interplay between the patterns of cell division, organ shape, and overlaying tissues on {LRP} morphogenesis by exploiting recent advances in live plant cell imaging and image analysis. {O}ur 3{D}/4{D} image analysis revealed that early stage {LRP}s exhibit tangential divisions that create a ring of cells corralling a population of rapidly dividing cells at its center. {T}he patterns of division in the latter population of cells during {LRP} morphogenesis are not stereotypical. {I}n contrast, statistical analysis demonstrated that the shape of new {LRP}s is highly conserved. {W}e tested the relative importance of cell division pattern versus overlaying tissues on {LRP} morphogenesis using mutant and transgenic approaches. {T}he double mutant aurora1 (aur1) aur2 disrupts the pattern of {LRP} cell divisions and impacts its growth dynamics, yet the new organ's dome shape remains normal. {I}n contrast, manipulating the properties of overlaying tissues disrupted {LRP} morphogenesis. {W}e conclude that the interaction with overlaying tissues, rather than the precise pattern of divisions, is most important for {LRP} morphogenesis and optimizes the process of lateral root emergence.},
  keywords = {lateral root development ; plant morphogenesis ; biomechanical regulation ; statistical shape analysis ; {A}rabidopsis thaliana},
  booktitle = {},
  journal = {{P}roceedings of the {N}ational {A}cademy of {S}ciences of the {U}nited {S}tates of {A}merica},
  volume = {110},
  numero = {13},
  pages = {5229--5234},
  ISSN = {0027-8424},
  year = {2013},
  DOI = {10.1073/pnas.1210807110},
  URL = {https://www.documentation.ird.fr/hor/fdi:010060885},
}