Evolution of plant genome architecture

We have witnessed an explosion in our understanding of the evolution and structure of plant genomes in recent years. Here, we highlight three important emergent realizations: (1) that the evolutionary history of all plant genomes contains multiple, cyclical episodes of whole-genome doubling that wer...

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Veröffentlicht in:Genome Biology 2016-03, Vol.17 (37), p.37-37, Article 37
Hauptverfasser: Wendel, Jonathan F, Jackson, Scott A, Meyers, Blake C, Wing, Rod A
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Sprache:eng
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Zusammenfassung:We have witnessed an explosion in our understanding of the evolution and structure of plant genomes in recent years. Here, we highlight three important emergent realizations: (1) that the evolutionary history of all plant genomes contains multiple, cyclical episodes of whole-genome doubling that were followed by myriad fractionation processes; (2) that the vast majority of the variation in genome size reflects the dynamics of proliferation and loss of lineage-specific transposable elements; and (3) that various classes of small RNAs help shape genomic architecture and function. We illustrate ways in which understanding these organism-level and molecular genetic processes can be used for crop plant improvement.
ISSN:1474-760X
1474-7596
1474-760X
DOI:10.1186/s13059-016-0908-1