Polyploidy is an important driver of eukaryotic evolution, evident in many animals, fungi, and
plants. One consequence of polyploidy is subfunctionalization, in which the ancestral …

Polyploidy is an important force in the evolution of flowering plants. Genomic merger and
doubling induce an extensive array of genomic effects, including immediate and long-term …

Allopolyploidization is accompanied by changes in gene expression that are thought to
contribute to phenotypic diversification. Here we describe global changes in the single …

A putative advantage of allopolyploidy is the possibility of differential selection of duplicated
(homeologous) genes originating from two different progenitor genomes. In this note we …

Background Polyploidy has played a prominent role in shaping the genomic architecture of
the angiosperms. Through allopolyploidization, several modern Gossypium (cotton) species …

Polyploidization has occurred often in the evolutionary history of eukaryotes, yet we are only
now learning about the genetic and epigenetic events that occur in newly formed polyploids …

Background Genes duplicated by polyploidy (homoeologs) may be differentially expressed
in plant tissues. Recent research using DNA microarrays and RNAseq data have described …

Background Allopolyploid speciation requires rapid evolutionary reconciliation of two
diverged genomes and gene regulatory networks. Here we describe global patterns of gene …

Background Modern allotetraploid cotton contains an “A” and “D” genome from an ancestral
polyploidy event that occurred approximately 1–2 million years ago. Diploid A-and D …

We present an overview of the cotton genus (Gossypium) as a model for the study of
polyploidy. A synopsis of the origin and evolution of polyploid cotton is provided, offering an …