Parental squabbles and genome expression: lessons from the polyploids
Plant Biology and Genome Center, University of California, 451 E. Health Sciences Drive, Davis, CA 95616, USA
Journal of Biology 2009, 8:43 doi:10.1186/jbiol140Published: 1 May 2009
The merger of evolutionarily diverged genomes to form a new polyploid genetic system can involve extensive remodeling of gene regulation. A recent paper in BMC Biology provides important insights into regulatory events that have affected the evolution of allopolyploid cotton.