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Title: Supplemental data for: "Effect of whole-genome duplication on the evolutionary rescue of sterile hybrid monkeyflowers"
Creator(s): Vallejo-Marin, Mario
Meeus, Sofie
Šemberová, Kristýna
De Storme, Nico
Geelen, Danny
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Keywords: Allopolyploid
whole genome duplication
Citation: Vallejo-Marin, M; Meeus, S; Šemberová, K; De Storme, N; Geelen, D (2020): Supplemental data for: "Effect of whole-genome duplication on the evolutionary rescue of sterile hybrid monkeyflowers". Version 1.0. University of Stirling. Faculty of Natural Sciences. Dataset.
Publisher: University of Stirling. Faculty of Natural Sciences
Dataset Description (Abstract): Hybridisation is a creative evolutionary force, increasing genomic diversity, and facilitating adaptation and even speciation. Hybrids often face significant challenges to become established, including reduced fertility arising from genomic incompatibilities between their parents. Whole genome duplication in hybrids (allopolyploidy) can restore fertility, cause immediate phenotypic changes, and generate reproductive isolation. Yet the survival of polyploid lineages is uncertain, and few studies have compared the performance of recently formed allopolyploids and their parents under field conditions. Here we use natural and synthetically-produced hybrid and polyploid monkeyflowers (Mimulus spp.) to study how polyploidy contributes to the fertility, reproductive isolation, phenotype and performance of hybrids in the field. We find that polyploidisation restores fertility and that allopolyploids are reproductively isolated from their parents. The phenotype of allopolyploids displays the classic gigas effect of whole genome duplication, producing plants with larger organs and slower flowering. Field experiments indicate that survival of synthetic hybrids before and after polyploidisation is intermediate between the parents, whereas natural hybrids have higher survival than all the other taxa. We conclude that hybridisation and polyploidy can act as sources of genomic novelty, but adaptive evolution is key in mediating the establishment of young allopolyploid lineages.
Dataset Description (TOC): Vallejo-Marin et al. Plant Communications. Supplementary Datasets 1) Field_Leadhills_survenddat_for_pedigree_20200608.txt Data un survival for Leadhills field experiment. 2) Field_Stirling_datp_for_pedigree_20200608.txt Data on survival for field experiment carried out at the University of Stirling 3) Germination_datgs_20200608.csv Data on germination of intra- and interspecific crosses. 4) Glasshouse_phenotypic_data_morph1_20200608.csv Phenotypic data on common garden experiment carried out at the University of Stirling glasshouses
Type: dataset
Funder(s): Other
Plant Fellows (Marie Curie Actions, COFUND-University of Stirling)
The Carnegie Trust
Botanical Society of Britain and Ireland
Geographic Location(s): Scotland
North America
Time Period: 2014-2019
Rights: Rights covered by the standard CC-BY 4.0 licence:
Affiliation(s) of Dataset Creator(s): University of Stirling (Biological and Environmental Sciences)

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