An interactive heuristic model to test ecological and evolutionary hypotheses on incipient polyploid species. [PDF]
Schneider JS +4 more
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The hidden threat: genetic load dynamics in tetraploids and diploids. [PDF]
Muñoz Mora VH +4 more
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The frequency and importance of polyploidy in tropical rainforest tree radiations. [PDF]
Schley RJ +9 more
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Forty new genomes shed light on sexual reproduction and the origin of tetraploidy in Microsporidia. [PDF]
Khalaf A +12 more
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Duplication, Divergence and Cardiac Expression of Tropoelastin in Jawed Fishes, Including Tetraploid Rainbow Trout (<i>Oncorhynchus mykiss</i>). [PDF]
Andersen Ø, Østbye TK.
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Integrative analysis of plastome, single-copy nuclear gene <i>Pgk1</i> and SLAF-seq data uncovers multiple-origin and introgression history in polyploid <i>Agropyron cristatum</i>. [PDF]
Yan H +17 more
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We collected and sequenced 203 accessions including 153 landraces and 50 improved cultivars, from 31 countries worldwide. These represent five botanical varieties [var. fastigiata (80), var. hypogaea (56), var. vulgaris (47), var. peruviana (11), and var. hirsuta (9)].
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Tetraploid Diœcious Melandrium
Nature, 1952IN 1942 I published a short note1 on a tetraploid plant of diœcious Melandrium found growing wild in Svalov in southern Sweden. The specimen in question was a female individual growing between the fields behind the place where the new laboratories of chemistry and cytology were erected later. Its flowers were red, as in M. diœcum ssp.
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Tetraploid Westerwolths ryegrass
Euphytica, 1955Germinated seeds of the annual Westerwolths ryegrass were treated with colchicine-solutions of 0.05 to 0.4% at a temperature of 29°C in order to obtain autotetraploids. The best results were obtained after treatment for 2 hours with 0.1 and 0.2% solutions or 4 hours with 0.05%.
Wit, F., Speckmann, G.J.
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