L
Loren H. Rieseberg
Researcher at University of British Columbia
Publications - 468
Citations - 43715
Loren H. Rieseberg is an academic researcher from University of British Columbia. The author has contributed to research in topics: Population & Helianthus. The author has an hindex of 104, co-authored 437 publications receiving 39168 citations. Previous affiliations of Loren H. Rieseberg include Rancho Santa Ana Botanic Garden & Claude Bernard University Lyon 1.
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Journal ArticleDOI
Chromosomal rearrangements and speciation.
TL;DR: It is argued that rearrangements reduce gene flow more by suppressing recombination and extending the effects of linked isolation genes than by reducing fitness.
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Hybrid Origins of Plant Species
TL;DR: Experimental, theoretical, and empirical studies of homoploid hybrid speciation suggest that it is feasible, although evolutionary conditions are stringent, and hybridization may be important as a stimulus for the genetic or chromosomal reorganization envisioned in founder effect and saltational models of speciation.
Journal ArticleDOI
Major Ecological Transitions in Wild Sunflowers Facilitated by Hybridization
Loren H. Rieseberg,Olivier Raymond,David M. Rosenthal,Zhao Lai,Kevin Livingstone,Takuya Nakazato,Jennifer L. Durphy,Andrea E. Schwarzbach,Lisa A. Donovan,Christian Lexer +9 more
TL;DR: The same combinations of parental chromosomal segments required to generate extreme phenotypes in synthetic hybrids also occurred in ancient hybrids, and this possibility was tested through phenotypic and genomic comparisons of ancient and synthetic hybrids.
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The frequency of polyploid speciation in vascular plants
Troy E. Wood,Naoki Takebayashi,Michael S. Barker,Michael S. Barker,Itay Mayrose,Philip B. Greenspoon,Loren H. Rieseberg,Loren H. Rieseberg +7 more
TL;DR: It is established that 15% of angiosperm and 31% of fern speciation events are accompanied by ploidy increase, and frequency estimates are higher by a factor of four than earlier estimates and lead to a standing incidence of polyploid species within genera of 35% (n = 1,506).
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Transgressive segregation, adaptation and speciation
TL;DR: Credence is lent to the view that hybridization may provide the raw material for rapid adaptation and provide a simple explanation for niche divergence and phenotypic novelty often associated with hybrid lineages.