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SUMMARY:To be or not to be… plastic.     Shoot branching plasticity in A
 rabidopsis is linked to life-history strategy - Maaike De Jong\, Sainsbury
  Lab
DTSTART:20130208T130000Z
DTEND:20130208T133000Z
UID:TALK42763@talks.cam.ac.uk
CONTACT:24938
DESCRIPTION:Plants can modulate their developmental program depending on t
 he prevailing environmental conditions. A good example of this plasticity 
 is the degree of shoot branching in which both developmental and environme
 ntal inputs are integrated by a network of hormonal signals. This network 
 systemically transmits the information\, which is locally interpreted to r
 egulate axillary bud outgrowth.\n\nTo understand the molecular basis for d
 ynamic variation in branch number\, we examined quantitatively different v
 ersions of the shoot branching regulatory network. Branching data were col
 lected from Arabidopsis Multiparent Advanced Generation Intercross (MAGIC)
  lines grown under low or high nitrogen conditions and used to identify Qu
 antitative Trait Loci (QTL) for branch number and branching plasticity. Cu
 rrently\, we are working to identify the genes that underlie these QTL by 
 combining the results with an association mapping approach. Therefore we a
 lso collected branching data from genotyped natural Arabidopsis accessions
 . Comparing these data sets revealed interesting trait correlations betwee
 n branch number and branch number plasticity. Furthermore comparison of ve
 rnalized and unvernalized natural accessions showed that plasticity is und
 er seasonal control.
LOCATION:Department of Plant Sciences\, Large Lecture Theatre
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