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CATEGORIES:Plant Sciences Departmental Seminars
SUMMARY:The Genetic and Epigenetic Basis of Fruit Ripening
  – Science Discovery into Commercial Practice - Gr
 aham Seymour (University of Nottingham)
DTSTART;TZID=Europe/London:20140227T130000
DTEND;TZID=Europe/London:20140227T140000
UID:TALK47383AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/47383
DESCRIPTION:Fruit ripening is under strict genetic and epigene
 tic control.   Work on understanding this importan
 t 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 b
 ecause it is one of the most important fruit crops
  in the world by volume consumed. It is also a maj
 or component of healthy diets providing ready sour
 ces of vitamins A\, C\, E and K\, minerals includi
 ng K and Fe and numerous secondary metabolites inc
 luding carotenoids and anthocyanins that act as an
 tioxidants. Additionally amongst major crops\, it 
 is uniquely appropriate to unravel the biological 
 basis of many important crop traits due to the gen
 etic\, epigenetic and genomic resources available.
  The talk will describe:\n(1) Progress on understa
 nding the high level regulatory network that contr
 ols ripening in tomato using 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 prov
 ided new tools to link the major regulators to the
  down steam effectors directly controlling changes
  in colour\, texture and flavour. \n(3) How the an
 alysis of the gene regulatory networks in combinat
 ion with studies of quantitative trait loci (QTL)\
 , underpinning quality traits\, are leading to an 
 understanding of the mechanistic basis of fruit ri
 pening including the isolation of genes controllin
 g fruit softening and shelf life\n(4) Evidence tha
 t both genetic and epigenetic factors combine to c
 ontrol the ripening process.\n\nUnderstanding the 
 fundamental genetic and epigenetic mechanisms cont
 rolling ripening is providing the basis for develo
 ping new and improved tomato lines. \n
LOCATION:Department of Plant Sciences\, Large Lecture Theat
 re
CONTACT:Ian Henderson
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