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SUMMARY:The evolution of floral traits in the Antirrhineae - Cecilia Marti
 nez Perez
DTSTART:20140327T163000Z
DTEND:20140327T170000Z
UID:TALK51392@talks.cam.ac.uk
CONTACT:Megan Cooper
DESCRIPTION:Flower evolution has been an important force behind angiosperm
  diversification. In recent years the function of several genes involved i
 n flower development has been elucidated\; however little attempt has been
  made to match this information with the ecological and evolutionary profi
 les of plant groups.  Due to its morphological and ecological diversity\, 
 the tribe Antirrhineae\, which includes model species Antirrhinum majus\, 
 is a good system to study floral trait variation. In my project\, I have a
 nalysed how petal epidermal cell shape\, nectar storage receptacles and co
 rolla shape have changed along the lineage using a combination of morphome
 tric and molecular biology techniques. In cell shape I have analysed the e
 xpression of MIXTA and its homologues: MIXTA-LIKE 1\, MIXTA-LIKE 2 and MIX
 TA-LIKE 3\, responsible for the development of conical cells. For nectar r
 eceptacles I’m looking at KNOX genes\, such as Invaginata and Hirzina. C
 orolla shape has been characterised using an allometric model based on lan
 dmarks and analysed using Principal Component Analysis (PCA).
LOCATION:Department of Plant Sciences\, Large Lecture Theatre
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