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SUMMARY:Establishment of molecular interactions underlying flower asymmetr
 y in Antirrhinum - Manuela Costa\, University of Minho\, Portugal
DTSTART:20160714T100000Z
DTEND:20160714T110000Z
UID:TALK66782@talks.cam.ac.uk
CONTACT:Dr Susana Sauret-Gueto
DESCRIPTION:The establishment of meristematic domains with different trans
 criptional activity is essential for many developmental processes. The asy
 mmetry of the Antirrhinum majus flower is established by transcription fac
 tors with an asymmetric pattern of expression and activity. To understand 
 how this asymmetrical pattern is established\, we are studying the molecul
 ar mechanism through which the dorsal MYB protein RAD restricts the activi
 ty of the MYB transcription factor DIV to the ventral region of the flower
  meristem. We have shown that RAD antagonises DIV in a subcellular competi
 tion for a DRIF protein by inhibiting the interaction between DIV and DRIF
 s in the dorsal regions of the Antirrhinum flower.\n\nThe interaction dyna
 mics between RAD\, DIV and DRIF homologues are conserved in other angiospe
 rms. To further understand how the interactions between these three MYB-li
 ke proteins was first established and how this regulatory network has evol
 ved\, we are currently studying the evolutionary history of the interactio
 ns between RAD\, DIV and DRIF homologues from distantly-related plant spec
 ies.
LOCATION:Large Lecture Theatre\, Department of Plant Sciences
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