Polyploidy is now recognized as a characteristic feature of all angiosperm genomes (Jiao et
al., 2011), and remains an important speciation process today (Wendel, 2000; Comai, 2005; …

Allopolyploidy is a prevalent process in plants, having important physiological, ecological
and evolutionary consequences. Transcriptomic responses to genomic merger and doubling …

Contents Summary 87 I. Introduction 87 II. Evolution in action: subgenome dominance within
newly formed hybrids and polyploids 88 III. Summary and future directions 90 …

Recent years have seen rapid advances in our knowledge of the transcriptomic
consequences of allopolyploidy, primarily through the study of polyploid crops and model …

Allopolyploids result from hybridization between different evolutionary lineages coupled with
genome doubling. Homoeologous chromosomes (chromosomes with common shared …

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

Autopolyploidy is more common in plants than traditionally assumed, but has received little
attention compared with allopolyploidy. Hence, the advantages and disadvantages of …

Transposable elements (TEs) represent an important fraction of plant genomes and are
likely to play a pivotal role in fuelling genome reorganization and functional changes …

Background Throughout the past century, hybridization and polyploidization have variously
been viewed as drivers of biodiversity (eg Arnold, 1997) or evolutionary noise, unimportant …

Polyploidy occurs throughout the evolutionary history of many plants and considerably
impacts species diversity, giving rise to novel phenotypes and leading to ecological …