Recent studies have shown that one of the parental subgenomes in ancient polyploids is
generally more dominant, having retained more genes and being more highly expressed, a …

Polyploidy is an important feature of plant genomes, but the nature of many polyploidization
events remains to be elucidated. Here, we demonstrate that the evolutionary fates of the …

Whole-genome duplications happen repeatedly in a typical flowering plant lineage.
Following most ancient tetraploidies, the two subgenomes are distinguishable because one …

Highlights•Many recent and ancient allopolyploids exhibit subgenome
dominance.•Extensive homoeologous exchanges complicate accurate subgenome …

Investigators have long searched for a polyploidy paradigm—rules or principles that might
be common following polyploidization (whole‐genome duplication, WGD). Here we attempt …

Background The merging of two diverged genomes can result in hybrid offspring that
phenotypically differ greatly from both parents. In plants, interspecific hybridization plays …

Allopolyploidisation merges evolutionarily distinct parental genomes (subgenomes) into a
single nucleus. A frequent observation is that one subgenome is 'dominant'over the other …

Despite the importance and wide exploitation of heterosis in commercial crop breeding, the
molecular mechanisms behind this phenomenon are not completely understood. Recent …

All natural plant species are evolved from ancient polyploids. Polyloidization plays an
important role in plant genome evolution, species divergence and crop domestication. We …

Highlights• A single subgenome in allopolyploids may contribute to the majority of the
phenotype.• Methylation of transposons near genes is associated with subgenome …