A phylogenetic tree can be used to illustrate the evolutionary relationship between a group
of genes, especially duplicated genes, which are sources of genetic innovation and are …

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 …

Whole genome duplication (WGD) is widespread in flowering plants and is a driving force in
angiosperm diversification. The redundancy introduced by WGD allows the evolution of …

Duplicate genes are believed to be a major source of new gene functions over evolutionary
time. In order to evaluate the evolutionary dynamics of rice duplicate genes, formed …

Cotton is a major fiber plant, which provides raw materials for clothing, protecting humans
from the harsh environment of cold or hot weathers, enriching the culture and custom of …

The importance of whole-genome multiplication (WGM) in plant evolution has long been
recognized. In flowering plants, WGM is both ubiquitous and in many lineages cyclical, each …

Polyploid formation and processes that create partial genomic duplication generate
redundant genomic information, whose fate is of particular interest to evolutionary biologists …

Background SNPs are the most abundant polymorphism type, and have been explored in
many crop genomic studies, including rice and maize. SNP discovery in allotetraploid cotton …

Polyploidy complicates transcriptional regulation and increases phenotypic diversity in
organisms. The dynamics of genetic regulation of gene expression between coresident …

The grass family comprises the most important cereal crops and is a good system for
studying, with comparative genomics, mechanisms of evolution, speciation, and …