Abstract:Polyploidization is an important evolutionary force in plant speciation and diversification. Retention and elimination of homoeologs derived by polyploidization are prevalent, whereas the evolutionary details of some duplicated genes in closely related natural polyploids are largely unknown. In the present study, we used an important regulatory gene (R) that encodes a bHLH protein in the anthocyanin metabolism pathway to demonstrate divergent evolutionary fates of homoeologs among four related Oryza allotetrap… Show more
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