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SUMMARY:The Genetic and Epigenetic Basis of Fruit Ripening – Science Dis
 covery into Commercial Practice - Graham Seymour (University of Nottingham
 )
DTSTART:20140227T130000Z
DTEND:20140227T140000Z
UID:TALK47383@talks.cam.ac.uk
CONTACT:Ian Henderson
DESCRIPTION:Fruit ripening is under strict genetic and epigenetic control.
    Work on understanding this important developmental process has focused 
 on tomato as a model system and this will be the main subject of the talk.
  Tomato has been selected as the model because it is one of the most impor
 tant fruit crops in the world by volume consumed. It is also a major compo
 nent of healthy diets providing ready sources of vitamins A\, C\, E and K\
 , minerals including K and Fe and numerous secondary metabolites including
  carotenoids and anthocyanins that act as antioxidants. Additionally among
 st major crops\, it is uniquely appropriate to unravel the biological basi
 s of many important crop traits due to the genetic\, epigenetic and genomi
 c resources available. The talk will describe:\n(1) Progress on understand
 ing the high level regulatory network that controls ripening in tomato usi
 ng information from non-ripening mutants and how similar families of regul
 atory genes are likely involved in ripening in all fleshy fruit species. \
 n(2) How the tomato genome sequence and systems biology approaches have pr
 ovided new tools to link the major regulators to the down steam effectors 
 directly controlling changes in colour\, texture and flavour. \n(3) How th
 e analysis of the gene regulatory networks in combination with studies of 
 quantitative trait loci (QTL)\, underpinning quality traits\, are leading 
 to an understanding of the mechanistic basis of fruit ripening including t
 he isolation of genes controlling fruit softening and shelf life\n(4) Evid
 ence that both genetic and epigenetic factors combine to control the ripen
 ing process.\n\nUnderstanding the fundamental genetic and epigenetic mecha
 nisms controlling ripening is providing the basis for developing new and i
 mproved tomato lines. \n
LOCATION:Department of Plant Sciences\, Large Lecture Theatre
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