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DRAMATIC ROLE. "We emphasize that polyploidy, often referred to in the genomics literature as whole-genome duplication (WGD), has played a dramatic role in the diversification of most, if not all, eukaryotic lineages, perhaps most impressively within the angiosperms." (WGD = whole genome duplication). https://lnkd.in/eg_D7BR View in LinkedIn

EXPANDED QUESTION. "The question is no longer “What proportion of angiosperms are polyploid?”, but “How many episodes of polyploidy characterize any given lineage? and “Did specific genes resulting from genome duplication serve to fuel adaptive radiations?” https://lnkd.in/eg_D7BR View in LinkedIn

RESOLVING COMPLICATION. "In many lineages, the existence of WGD events, and the numbers of these events, remain unclear. Whether the vertebrate lineage had experienced two or three rounds of WGD was the subject of a long debate that was resolved only recently through a careful analysis of the synteny patterns of WGD paralogs." (WGD = whole genome duplication). http://www.pnas.org/content/107/1/472.full View in LinkedIn

COMPLICATING FACTOR. "WGDs are particularly widespread in the phylogeny of flowering plants, giving rise to large gene families and complicating comparative studies." (WGD = whole genome duplication). http://www.pnas.org/content/107/1/472.full View in LinkedIn

SPECIATION. "Reciprocal gene loss following a WGD can contribute to reproductive isolation through divergent resolution of duplicate copies, foreshadowing the diversification of species." (WGD = whole genome duplication). http://www.pnas.org/content/107/1/472.full View in LinkedIn

WIDESPREAD ACROSS TAXA. "Whole-genome duplications (WGDs) have occurred in the lineages of plants, animals, and fungi, with consequences ranging from the origin of evolutionary novelty to the provision of genetic “buffer capacity” that increases genetic robustness." https://lnkd.in/eKSsYi8 View in LinkedIn

SPECIES BARRIERS. "Barriers to interploidy mating within and between species, including triploid block, have been studied using controlled crosses in a variety of natural and artificially produced diploids and polyploids." https://lnkd.in/es_dhAz View in LinkedIn

FIRST DUPLICATION TYPE. "Whole genome duplicates are 700 bp longer and are expressed in 20% more tissues than tandem duplicates." https://lnkd.in/eHCDVhZ View in LinkedIn

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TWO GENE DUPLICATION TYPES. "Comparative analysis of multiple angiosperm genomes has implicated gene duplication in the expansion and diversification of many gene families. However, empirical data and theory suggest that whole-genome and small-scale duplication events differ with respect to the types of genes preserved as duplicate pairs." https://lnkd.in/eHCDVhZ View in LinkedIn