Difference between revisions of "Tomato genome"
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| − | Issue: http://www.nature.com/nature/journal/v485/n7400/ | + | # Issue: http://www.nature.com/nature/journal/v485/n7400/ |
| − | Nature Commentary: http://www.nature.com/nature/journal/v485/n7400/full/485547a.html | + | # Nature Commentary: http://www.nature.com/nature/journal/v485/n7400/full/485547a.html |
| − | Nature Article: http://www.nature.com/nature/journal/v485/n7400/full/nature11119.html | + | # Nature Article: http://www.nature.com/nature/journal/v485/n7400/full/nature11119.html |
| − | # '''The tomato genome sequence provides insights into fleshy fruit evolution''' | + | ## '''The tomato genome sequence provides insights into fleshy fruit evolution''' |
=Solanum-specific paleohexaploidy (whole genome triplication)= | =Solanum-specific paleohexaploidy (whole genome triplication)= | ||
Revision as of 08:47, 1 June 2012
Tomato genome published in Nature
- Issue: http://www.nature.com/nature/journal/v485/n7400/
- Nature Commentary: http://www.nature.com/nature/journal/v485/n7400/full/485547a.html
- Nature Article: http://www.nature.com/nature/journal/v485/n7400/full/nature11119.html
- The tomato genome sequence provides insights into fleshy fruit evolution
Solanum-specific paleohexaploidy (whole genome triplication)
From: [http://www.nature.com/nature/journal/v485/n7400/full/nature11119.html
The tomato genome sequence provides insights into fleshy fruit evolution]
"Comparison with the grape genome also reveals a more recent triplication in tomato and potato. Whereas few individual tomato/potato genes remain triplicated (Supplementary Tables 10 and 11), 73% of tomato gene models are in blocks that are orthologous to one grape region, collectively covering 84% of the grape gene space. Among these grape genomic regions, 22.5% have one orthologous region in tomato, 39.9% have two, and 21.6% have three, indicating that a whole-genome triplication occurred in the Solanum lineage, followed by widespread gene loss. This triplication, also evident in potato (Supplementary Fig. 11), is estimated at 71 (±19.4) Myr on the basis of the Ks of paralogous genes (Supplementary Fig. 10), and therefore predates the ~7.3 Myr tomato–potato divergence."
