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SUMMARY:STOMATA DIVISION ORIENTATION: INTERPLAY BETWEEN GEOMETRY\,    GROW
 TH\, AND MECHANICAL STRESS  - Leo Serra    The Sainsbury Laboratory\, Univ
 ersity of Cambridge\, Cambridge CB2 1LR\, United Kingdom 
DTSTART:20230515T133000Z
DTEND:20230515T143000Z
UID:TALK200209@talks.cam.ac.uk
CONTACT:Elena Scarpa
DESCRIPTION: consequence of the non-motile nature of plant cell is that th
 e positioning of new cell walls during cytokinesis will influences cell ge
 ometry\, tissue topology\, and patterning. Reciprocally\, cell geometry\, 
 local or global mechanical stress\, or organ growth properties can influen
 ce the positioning of new cell walls. Because these parameters are highly 
 interconnected\, identifying the causative factor regulating the positioni
 ng of new cell walls is often difficult. To dissect these interconnected r
 elationships between division orientation\, cell geometry\, growth and mec
 hanical stress\, we used Arabidopsis thaliana transgenic material to induc
 e the formation of ectopic divisions at various developmental stages of co
 tyledons with distinct growth properties\, cell geometry\, and mechanical 
 stress pattern. We used time-lapse imaging and mechanical perturbation to 
 further investigates the implication of mechanical stress in cell division
  orientation. Finally\, we used computational modelling to predict the ori
 entation of tensile stress in real cell templates. Altogether our approach
 es enabled us to examine the relationship between these parameters and cel
 l division orientation. \n\n 
LOCATION:Online
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