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SUMMARY:Plant surface texture: investigating R2R3 MYB subgroup 9 gene func
 tion in Marchantia and Nicotiana - Lin Taylor (Glover lab)
DTSTART:20140501T153000Z
DTEND:20140501T160000Z
UID:TALK51400@talks.cam.ac.uk
CONTACT:Megan Cooper
DESCRIPTION:The subgroup 9 gene family of R2R3 MYB transcription factors i
 s an ancient gene lineage that arose prior to the origin of the land plant
 s. They have been functionally characterised only within the flowering pla
 nts\, where they regulate diverse epidermal structures including petal epi
 dermal cell outgrowths\, trichome development\, and the initiation and elo
 ngation of cotton fibres. Broadly\, my PhD seeks to understand the ancestr
 al function of these genes\, and their subsequent diversification in the m
 ediation of epidermal structures across different land plant lineages. I w
 ill first present data on the function of subgroup 9 homologs in the early
  land plant model Marchantia polymorpha\, using semi-quantitative PCR\, ov
 erexpression and amiRNA knock-down.  I will then explore the role of subgr
 oup 9 genes in floral evolution in Nicotiana\, where I have used sister sp
 ecies to determine if changes to subgroup 9 gene sequence or expression ar
 e associated with shifts in petal cell shape.
LOCATION:Department of Plant Sciences\, Large Lecture Theatre
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