linkedin post 2016-10-20 05:59:17

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ANGIOSPERMS VS VERTEBRATE WGD. "Much of this disparity can be attributed to the different nature of plant vs. animal development vis-à-vis compensation for gene dosage. Subfunctionalization of gene duplicates has been shown to be a prominent molecular evolutionary force for coping with WGD in both flowering plants and ray-finned fish." (WGD = whole genome duplication). https://lnkd.in/eg_D7BR View in LinkedIn
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linkedin post 2016-10-20 05:56:13

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EXCEPTIONAL STATUS. "Despite clear evidence for WGD underlying all vertebrates, many fewer lineage-specific polyploidy events have been detected than among angiosperms, which have a far shorter combined evolutionary history." (WGD = whole genome duplication). https://lnkd.in/eg_D7BR View in LinkedIn
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linkedin post 2016-10-20 05:52:25

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EXPLOSIVE SPECIATION. "Nowhere else in the history of life is the influence of polyploidy more apparent as a possible diversifying force as it is among the angiosperms. Only the tetraploidization event in the stem lineage of ray-finned fish may come close, having potentially resulted in >20 000 living species." https://lnkd.in/eg_D7BR View in LinkedIn
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linkedin post 2016-10-20 05:46:00

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POLYPLOIDY PUSH. "Given the many purported benefits of polyploidy and the suggested relationship of genome duplication to speciation, rates of diversification may be higher in polyploid lineages than in diploid groups (due either to increased rates of speciation, decreased rates of extinction, or both)." https://lnkd.in/eg_D7BR View in LinkedIn
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linkedin post 2016-10-19 04:03:28

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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
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linkedin post 2016-10-19 04:01:05

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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
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linkedin post 2016-10-23 06:18:42

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DECOUPLED SELECTION. "In addition, holometaboly is hypothesised to have led to increased evolvability (e.g. an increased capacity for adaptive evolution, due to an expansion of baseline phenotypic variation upon which selection can act), and a concomitant decoupling of selective pressures across different life cycle stages." http://onlinelibrary.wiley.com/doi/10.1111/een.12313/full View in LinkedIn
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