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Allopolyploidy-Induced Rapid Genome Evolution in the Wheat (Aegilops–Triticum) Group
To better understand genetic events that accompany allopolyploid formation, we studied the rate and time of elimination of eight DNA sequences in F1 hybrids and newly formed allopolyploids ofExpand
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Sequence Elimination and Cytosine Methylation Are Rapid and Reproducible Responses of the Genome to Wide Hybridization and Allopolyploidy in Wheat
Interspecific or intergeneric hybridization, followed by chromosome doubling, can lead to the formation of new allopolyploid species. Recent studies indicate that allopolyploid formation isExpand
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A Yeast Hybrid Provides Insight into the Evolution of Gene Expression Regulation
Gene Expression in Hybrids A large proportion of genes differ in their expression patterns between closely related species, and this divergence is believed to be an important driver of phenotypicExpand
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Gene loss, silencing and activation in a newly synthesized wheat allotetraploid.
We analyzed the events that affect gene structure and expression in the early stages of allopolyploidy in wheat. The transcriptome response was studied by analyzing 3072 transcripts in the firstExpand
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Rapid elimination of low-copy DNA sequences in polyploid wheat: a possible mechanism for differentiation of homoeologous chromosomes.
To study genome evolution in allopolyploid plants, we analyzed polyploid wheats and their diploid progenitors for the occurrence of 16 low-copy chromosome- or genome-specific sequences isolated fromExpand
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Transcriptional activation of retrotransposons alters the expression of adjacent genes in wheat
Retrotransposons are a principal component of most eukaryotic genomes, representing roughly 40% of the human genome and 50–80% of some grass genomes. They are usually transcriptionally silent but canExpand
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A new model system for tomato genetics
The purpose of this study was to develop a model system for studying tomato genetics. Agronomic, genetic, and molecular data are presented which show that the miniature Lycopersicon esculentumExpand
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The characterization of novel mycorrhiza-specific phosphate transporters from Lycopersicon esculentum and Solanum tuberosum uncovers functional redundancy in symbiotic phosphate transport in
Solanaceous species are among the >200 000 plant species worldwide forming a mycorrhiza, that is, a root living in symbiosis with soil-borne arbuscular-mycorrhizal (AM) fungi. An important parameterExpand
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Allopolyploidy – a shaping force in the evolution of wheat genomes
Recent studies have shown that allopolyploidy accelerates genome evolution in wheat in two ways: (1) allopolyploidization triggers rapid genome changes (revolutionary changes) through theExpand
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Wheat Hybridization and Polyploidization Results in Deregulation of Small RNAs
Speciation via interspecific or intergeneric hybridization and polyploidization triggers genomic responses involving genetic and epigenetic alterations. Such modifications may be induced by smallExpand
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