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SUMMARY:Phylogenomic analysis of tobacco\; identifying the genes selected 
 during domestication - Kieron Edwards\, Applied Molecular Breeding manager
  of Advance Technologies
DTSTART:20101022T120000Z
DTEND:20101022T123000Z
UID:TALK26670@talks.cam.ac.uk
CONTACT:15560
DESCRIPTION:Nicotiana tabacum (2n = 4x = 48) is an allotetraploid derived 
 from a hybridisation of the ancestral species N. sylvestris and N. tomento
 siformis around 0.2 million years ago. Polyploidisation is very common in 
 the plant kingdom and is likely to have made a significant contribution to
  speciation. There are several possible fates for genes duplicated during 
 polyploidisation including retaining their original function\, being lost 
 or silenced\, or undergoing functional or regulatory diversification. To g
 ain an insight into the fate of genes duplicated in tobacco\, the leaf tra
 nscriptome of N. tabacum and its ancestral parents was assayed using next 
 generation sequencing. A phylogenetic analysis pipeline was developed to a
 nalyse the relationship of the tabacum genome to its two putative parental
  genomes in a set of 11000 contigs where there was at least one representa
 tive sequence from each species. The implication of these results will be 
 discussed. 
LOCATION:Department of Plant Sciences\, Large Lecture Theatre
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