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SUMMARY:The structure and logic of axis extension in Drosophila - Blanchar
 d\, G (University of Cambridge)
DTSTART:20151008T100000Z
DTEND:20151008T113000Z
UID:TALK61387@talks.cam.ac.uk
CONTACT:42080
DESCRIPTION:Convergence and extension movements are evolutionarily conserv
 ed morphogenetic behaviours that elongate tissues in many contexts in anim
 al embryogenesis and organogenesis. Drosophila germ-band extension is a we
 ll-studied example that deforms the germ-band epithelium\, a thin monolaye
 r of cells tesselating the surface of the ellipsoidal embryo. Extension is
  driven by the combination of two temporally coordinated mechanisms. A pul
 l from the posterior of the embryo drives extension of the tissue towards 
 the posterior. Meanwhile\, a planar polarised distribution of actin and My
 osin II motors drives active cell rearrangements within the tissue\, drivi
 ng convergence in the dorso-ventral axis. \n\n
LOCATION:Seminar Room 2\, Newton Institute Gatehouse
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