Polyploidy and genome evolution in plants
Plant genomes vary in size and complexity, fueled in part by processes of whole-genome duplication (WGD; polyploidy) and subsequent genome evolution. Despite repeated episodes of WGD throughout the evolutionary history of angiosperms in particular, the genomes are not uniformly large, and even plant...
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| Veröffentlicht in: | Current opinion in genetics & development 2015-12, Vol.35, p.119-125 |
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| container_title | Current opinion in genetics & development |
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| creator | Soltis, Pamela S Marchant, D Blaine Van de Peer, Yves Soltis, Douglas E |
| description | Plant genomes vary in size and complexity, fueled in part by processes of whole-genome duplication (WGD; polyploidy) and subsequent genome evolution. Despite repeated episodes of WGD throughout the evolutionary history of angiosperms in particular, the genomes are not uniformly large, and even plants with very small genomes carry the signatures of ancient duplication events. The processes governing the evolution of plant genomes following these ancient events are largely unknown. Here, we consider mechanisms of diploidization, evidence of genome reorganization in recently formed polyploid species, and macroevolutionary patterns of WGD in plant genomes and propose that the ongoing genomic changes observed in recent polyploids may illustrate the diploidization processes that result in ancient signatures of WGD over geological timescales. |
| doi_str_mv | 10.1016/j.gde.2015.11.003 |
| format | Article |
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Here, we consider mechanisms of diploidization, evidence of genome reorganization in recently formed polyploid species, and macroevolutionary patterns of WGD in plant genomes and propose that the ongoing genomic changes observed in recent polyploids may illustrate the diploidization processes that result in ancient signatures of WGD over geological timescales.</description><identifier>ISSN: 0959-437X</identifier><identifier>EISSN: 1879-0380</identifier><identifier>DOI: 10.1016/j.gde.2015.11.003</identifier><identifier>PMID: 26656231</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Biological Evolution ; Evolution, Molecular ; Gene Duplication - genetics ; Genome Size - genetics ; Genome, Plant - genetics ; Medical Education ; Plants - genetics ; Polyploidy</subject><ispartof>Current opinion in genetics & development, 2015-12, Vol.35, p.119-125</ispartof><rights>2015</rights><rights>Copyright © 2015. 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| source | MEDLINE; Elsevier ScienceDirect Journals Complete |
| subjects | Biological Evolution Evolution, Molecular Gene Duplication - genetics Genome Size - genetics Genome, Plant - genetics Medical Education Plants - genetics Polyploidy |
| title | Polyploidy and genome evolution in plants |
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