Description of colors of insects and plants in biological research is often subjective and imprecise. A quantitative, statistical, and standardized method for describing colors by software analysis of digital images would be useful to researchers if readily available. An Internet Web page with JavaScript and Java applet was made that loads a digital image and analyzes the red, green, and blue (...

Cotton (Gossypium spp.) is a major source of natural fiber and an important cash crop. The cotton growth habit architecture determine its productivity influence management strategies for commercial production. GATA transcription factors (TFs) control various developmental processes in plants, such as flower, bract embryo development, petal differentiation. As stable transformation still bottlen...

BACKGROUND Cotton (Gossypium spp.) is a model system for the analysis of polyploidization. Although ascertaining the donor species of allotetraploid cotton has been intensively studied, sequence comparison of Gossypium chloroplast genomes is still of interest to understand the mechanisms underlining the evolution of Gossypium allotetraploids, while it is generally accepted that the parents were...

Scientific information on the A genome species of Gossypium is limited due to their decline as crop species and low levels of marker polymorphism. As the A subgenome of the allotetraploid species of Gossypium is contributed by A genome progenitors, studies on the A genome will help us understand the evolution of polyploids. We compared DNA marker order along the chromosomes of A, D and At genom...

Studying gene expression in polyploids is complicated by genomewide gene duplication and the problem of distinguishing transcript pools derived from each of the two homeologous genomes such as the A- and D-genomes of allotetraploid Gossypium. Short oligonucleotide probes designed to specifically target several hundred homeologous gene pairs of Gossypium were printed on custom NimbleGen microarr...

Because of the great commercial importance of cotton fibers, their structure at various stages of development has been carefully studied. An indication of the work that has been done along this line may be gained from the papers of Dischendorfer {6),^ Youngman and Pande {63), and Kerr {21), which give a number of literature citations. Structure of the seed {I4, v, 3; 32; 33; 34; 35; 36; 37) and...

Plant genera with both diploid and polyploid species are a common evolutionary occurrence. Polyploids, especially allopolyploids such as cotton and wheat, are a great model system for heterosis research. Here, we have integrated genome sequences and transcriptome data of Gossypium species to construct co-expression networks and identified functional modules from different cotton species, includ...

a cytogenetic study was performed on m4 generation of gamma irradiated lines of shirpan cultivar of tetraploid cotton (gossypium hirsutum l.). a significant difference was observed in cytogenetical characteristics such as the number and type of quadrivalents as well as percentage of cells showing abnormality among the irradiated and non irradiated lines. cytomixis and post- pachytene diffuse st...

A cytogenetic study was performed on M4 generation of gamma irradiated lines of Shirpan cultivar of tetraploid cotton (Gossypium hirsutum L.). A significant difference was observed in cytogenetical characteristics such as the number and type of quadrivalents as well as percentage of cells showing abnormality among the irradiated and non irradiated lines. Cytomixis and post- pachytene diffuse st...