Satellite Symposium 3: Pastoral Systems
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Publication Date
2005
Location
Dublin Ireland
Description
The proportion of angiosperms that have experienced one or more episodes of chromosome doubling is estimated to be of the order of 50-70%. This prominence of polyploidy probably implies some adaptive significance. The emergence of novel phenotypes could allow polyploids to enter new niches or enhance their chances of being selected for use in agriculture. Although the causes of novel variation in polyploids are not well understood, they could involve changes in gene expression through dosage-regulation, altered regulatory interactions and rapid genetic/epigenetic changes. The objective of this work was to carry out an extensive transcript profiling and genome analysis of a diploid genotype of the pasture grass Paspalum notatum and its tetraploid derivative obtained after colchicine treatment.
Citation
Martelotto, L. G.; Ortiz, J. P. A.; Espinoza, F.; Quarin, C. L.; and Pessino, S. C., "A Comprehensive Analysis of Gene Expression and Genomic Alterations in a Newly Formed Autotetraploid of Paspalum Notatum" (2005). IGC Proceedings (1985-2023). 61.
(URL: https://uknowledge.uky.edu/igc/20/satellitesymposium3/61)
Included in
Agricultural Science Commons, Agronomy and Crop Sciences Commons, Plant Biology Commons, Plant Pathology Commons, Soil Science Commons, Weed Science Commons
A Comprehensive Analysis of Gene Expression and Genomic Alterations in a Newly Formed Autotetraploid of Paspalum Notatum
Dublin Ireland
The proportion of angiosperms that have experienced one or more episodes of chromosome doubling is estimated to be of the order of 50-70%. This prominence of polyploidy probably implies some adaptive significance. The emergence of novel phenotypes could allow polyploids to enter new niches or enhance their chances of being selected for use in agriculture. Although the causes of novel variation in polyploids are not well understood, they could involve changes in gene expression through dosage-regulation, altered regulatory interactions and rapid genetic/epigenetic changes. The objective of this work was to carry out an extensive transcript profiling and genome analysis of a diploid genotype of the pasture grass Paspalum notatum and its tetraploid derivative obtained after colchicine treatment.
