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TZID:Europe/Paris
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UID:1-376@lptms.universite-paris-saclay.fr
DTSTART:20160321T110000Z
DTEND:20160321T120000Z
DTSTAMP:20160310T171713Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/physics-biology-i
 nterface-seminar-franck-julicher/
SUMMARY:Physics-Biology interface seminar: Franck Jülicher - Moyen Amphi\,
  Building 510\, Université Paris-Saclay Orsay - 21 Mar 16 11:00
DESCRIPTION:Shaping a fly wing\nFranck Jülicher (MPI-PKS Dresden)\nA funda
 mental question in Biology is to understand the morphogenetic processes by
  which an organism of complex shape forms from a fertilized egg. This morp
 hogenesis involves the dynamic remodeling of tissues consisting of many ce
 lls that grow and divide. The fly wing is an important model system for th
 e study of multicellular dynamics during tissue morphogenesis. During pupa
 l stages\, the early fly wing undergoes a spectacular dynamic reorganizati
 on that involves cell flows\, cell divisions and cell shape changes. This 
 dynamic process generates the final shape of the wing. We characterize tis
 sue remodeling by the contributions of specific cellular processes such as
  cell shape changes and cell neighbor exchanges to macroscopic shear at di
 fferent times. We discuss the dynamics and the mechanics of this tissue us
 ing theoretical approaches that capture the essential physics of tissue re
 modeling. Our work suggests that local tissue contraction together with an
 isotropic active processes drive tissue remodeling in the fly wing. We sho
 w that mechanical boundary conditions play a key role in determining the f
 inal tissue shape.
CATEGORIES:physbio,seminars
LOCATION:Moyen Amphi\, Building 510\, Université Paris-Saclay Orsay\, 15 R
 ue Georges Clemenceau\, orsay\, France
GEO:48.698187;2.181768
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  orsay\, France;X-APPLE-RADIUS=100;X-TITLE=Moyen Amphi\, Building 510\, Un
 iversité Paris-Saclay Orsay:geo:48.698187,2.181768
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