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Thelma Barbará

Researcher at Royal Botanic Gardens

Publications -  16
Citations -  1335

Thelma Barbará is an academic researcher from Royal Botanic Gardens. The author has contributed to research in topics: Population & Gene flow. The author has an hindex of 13, co-authored 15 publications receiving 1266 citations. Previous affiliations of Thelma Barbará include University of Fribourg.

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Cross-species transfer of nuclear microsatellite markers: potential and limitations.

TL;DR: The potential for successful cross‐species transfer appears highest in species with long generation times, mixed or outcrossing breeding systems, and where genome size in the target species is small compared to the source.
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Population differentiation and species cohesion in two closely related plants adapted to neotropical high-altitude 'inselbergs', Alcantarea imperialis and Alcantarea geniculata (Bromeliaceae).

TL;DR: The results indicate a high potential for inselbergs as venues for studies of the molecular ecology and genetics of continental radiations, such as the one that gave rise to the extraordinary diversity of adaptive strategies and phenotypes seen in Bromeliaceae.
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Sympatric bromeliad species (Pitcairnia spp.) facilitate tests of mechanisms involved in species cohesion and reproductive isolation in Neotropical inselbergs.

TL;DR: The results suggest that incomplete lineage sorting, hybridization and introgression form integral aspects of adaptive radiation in Neotropical inselberg ‘archipelagos’, which should be of special interest to students of speciation in mountain systems, and to ongoing conservation programmes in the Atlantic Rainforest biodiversity hotspot.
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Range-wide patterns of nuclear and chloroplast DNA diversity in Vriesea gigantea (Bromeliaceae), a neotropical forest species

TL;DR: The link between patterns of genetic and species diversity supports the hypothesis that both were shaped by the same biogeographic processes, triggered by the climatic oscillations of the Pleistocene.
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Genomic Admixture Analysis in European Populus spp. Reveals Unexpected Patterns of Reproductive Isolation and Mating

TL;DR: It is shown that reproductive isolation between these species is much stronger than previously assumed but this cannot prevent the introgression of neutral or advantageous alleles, and unexpected genotypic gaps exist between recombinant hybrids and their parental taxa.