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SUMMARY:Evolution and Diversity of MIXTA-like genes - Katrina Alcorn
DTSTART:20110512T153000Z
DTEND:20110512T160000Z
UID:TALK30680@talks.cam.ac.uk
CONTACT:Suzy Stoodley
DESCRIPTION:Conical petal cells\, controlled by MIXTA-like Myb transcripti
 on factors\, are important in plant-pollinator interactions. My work aims 
 to investigate the selective pressures for and against conical cells\, as 
 well as the molecular basis of conical cell evolution. To understand the p
 ollinator-mediated selection behind the persistence of conical cells in si
 mple flowers\, I have tested isogenic Petunia lines under different handli
 ng and visual conditions and show how differing conditions can alter polli
 nator preference. To understand conditions where selective pressure is no 
 longer in favour of conical cells\, I have investigated the multiple losse
 s of conical cells across the buzz-pollinated genus Solanum. I explain why
 \, where and how conical cell loss has occurred in Solanum through phyloge
 netic analysis and morphological characterisation\, combined with my molec
 ular characterisation of Solanum MIXTA-like genes.
LOCATION:Department of Plant Sciences\, Large Lecture Theatre
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