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permission - New insights into the history of rice domestication
Trends in Genetics, Volume 23, Issue 11, 1 November 2007, Pages
578-587 Michael J. Kovach, Megan T. Sweeney and Susan R. McCouch
AbstractThe history of rice domestication has long been a
subject of debate. Recently obtained genetic evidence provides
new insights into this complex story. Genome-wide studies of
variation demonstrate that the two varietal groups in Oryza
sativa (indica and japonica) arose from genetically distinct
gene pools within a common wild ancestor, Oryza rufipogon,
suggesting multiple domestications of O. sativa. However, the
evolutionary history of recently cloned domestication genes adds
another layer of complexity to the domestication of rice.
Although some alleles exist only within specific subpopulations,
as would be expected if the domestications occurred
independently, other major domestication alleles