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SUMMARY:Development of leaf anatomy in C3 and C4 Flaveria - Britta Kuemper
 s
DTSTART:20130606T150000Z
DTEND:20130606T153000Z
UID:TALK44298@talks.cam.ac.uk
CONTACT:Megan Cooper
DESCRIPTION:C4 photosynthesis has evolved independently over 60 times. In 
 most cases it is established in a 2-celled system with bundle sheath cells
  and mesophyll cells in concentric circles around the veins. The genetic r
 egulation of the typical C4 anatomy is not yet well understood. I am inves
 tigating the leaf development of four closely related C3 and C4 plants to 
 analyse the differences in leaf development associated with C4 photosynthe
 sis. Following a very detailed morphological study of developing leaves I 
 show that young leaves of plants from both photosynthesis types contain gr
 adients in leaf development from tip to base\, with the tip possessing the
  same anatomy as mature leaves and the tissue at the base being undifferen
 tiated. To understand the genetic regulation underlying the differences in
  C3 and C4 leaf anatomy\, I have conducted an extensive RNA sequencing exp
 eriment that allows me to analyse which genes are expressed in which part 
 of the developing leaf. The results of this are expected back within the n
 ext month. Mapping the results of this data back to my anatomical study wi
 ll allow me to identify genes that are differentially expressed in the dif
 ferent parts of the leaf. This will help identify genes that are essential
  in regulating the establishment of the anatomical features that are speci
 fic for C4 species. 
LOCATION:Biffen Lecture Theater\, Department of Genetics
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