Polyploidy, which arises from genome duplication, has occurred throughout the history of
eukaryotes, though it is especially common in plants. The resulting increased size …

Polyploidization is an abrupt speciation mechanism for eukaryotes and is especially
common in plants. However, little is known about patterns and mechanisms of gene …

Structural variation is a major source of genetic diversity and an important substrate for
selection. In allopolyploids, homoeologous exchanges (ie between the constituent …

Polyploidy is a key mechanism of genome evolution and speciation, particularly in plants.
Many aspects of polyploidy have been elucidated with the tools that have become available …

Highlights•Most studies of polyploidization and diversification use indirect methods as
evidence for polyploidy, and often cannot capture a reticulate history.•Approaches that use …

▪ Abstract Here we review the biology of early generation neopolyploids and discuss the
profound changes that accompany their formation. Newly formed auto-and allopolyploids …

Background Polyploidization is the multiplication of the whole chromosome complement and
has occurred frequently in vascular plants. Maintenance of stable polyploid state over …

The importance of hybridization in plant speciation and evolution has been debated for
decades, with opposing views of hybridization as either a creative evolutionary force or …

Highlights•Hybridity and ploidy induce nonadditive gene expression (activation or
silencing).•Nonadditive gene expression is largely dependent on epigenetic …

Polyploidy has long been considered a major force in plant evolution. G. Ledyard Stebbins,
Jr., an architect of the Modern Synthesis, elegantly addressed a broad range of topics, from …