Loren RiesebergSummaryAffiliation: University of British Columbia Country: Canada Publications
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Publications
NU-IN: Nucleotide evolution and input module for the EvolSimulator genome simulation platformKatrina M Dlugosch
Department of Botany, University of British Columbia, Vancouver, BC V6T1Z4, Canada
BMC Res Notes 3:217. 2010....
Speciation genes in plantsLoren H Rieseberg
Botany Department, University of British Columbia, 3529 6270 University Blvd, Vancouver, B C, Canada
Ann Bot 106:439-55. 2010..This review discusses the identities and attributes of genes that contribute to reproductive isolation (RI) in plants, compares them with animal speciation genes and investigates what these genes can tell us about speciation...
Evolution: replacing genes and traits through hybridizationLoren H Rieseberg
Department of Botany, University of British Columbia, Vancouver, BC, Canada
Curr Biol 19:R119-22. 2009....
Plant speciationLoren H Rieseberg
Department of Botany, University of British Columbia, Vancouver, BC V6T 1Z4, Canada
Science 317:910-4. 2007..Finally, species richness in plants is correlated with many biological and geohistorical factors, most of which increase ecological opportunities...
Ecological selection maintains cytonuclear incompatibilities in hybridizing sunflowersJulianno B M Sambatti
Department of Botany, University of British Columbia, 3529 6270 University Blvd, Vancouver, BC, Canada V6T1Z4
Ecol Lett 11:1082-91. 2008..Our results suggest a common means by which ecological selection may contribute to speciation and have significant implications for the persistence of hybridizing species...
Comparative genomic and population genetic analyses indicate highly porous genomes and high levels of gene flow between divergent helianthus speciesNolan C Kane
Department of Biology, Indiana University, Bloomington, Indiana, USA
Evolution 63:2061-75. 2009....
Adaptive evolution: the legacy of past giantsHannes Dempewolf
Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada
Curr Biol 17:R773-4. 2007..The wire syndrome shared by plants in New Zealand and Madagascar appears to have evolved convergently as a defence against herbivory from now extinct avian giants...
The correlation of evolutionary rate with pathway position in plant terpenoid biosynthesisHeather Ramsay
Faculty of Forestry, Department of Forest Sciences, University of British Columbia, Vancouver, British Columbia, Canada
Mol Biol Evol 26:1045-53. 2009..Therefore, our results are consistent with the prediction that selective constraint is progressively relaxed along metabolic pathways...
Selection on domestication traits and quantitative trait loci in crop-wild sunflower hybridsEric J Baack
Department of Botany, University of British Columbia, 6270 W University Blvd, Vancouver, BC, Canada V6T 1Z4
Mol Ecol 17:666-77. 2008..These results indicate that crop trait values and alleles may sometimes be favoured in a noncrop environment and across broad geographical regions...
Multiple paleopolyploidizations during the evolution of the Compositae reveal parallel patterns of duplicate gene retention after millions of yearsMichael S Barker
Department of Botany, University of British Columbia, Vancouver, British Columbia, Canada
Mol Biol Evol 25:2445-55. 2008....
A genomic view of introgression and hybrid speciationEric J Baack
Department of Botany, University of British Columbia, Vancouver, BC, Canada
Curr Opin Genet Dev 17:513-8. 2007....
Microsatellite signature of ecological selection for salt tolerance in a wild sunflower hybrid species, Helianthus paradoxusCécile Edelist
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Mol Ecol 15:4623-34. 2006..In contrast, no difference in diversity levels was observed between the two microsatellite classes in parental populations...
Hybridization and the colonization of novel habitats by annual sunflowersLoren H Rieseberg
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Genetica 129:149-65. 2007..This body of work corroborates earlier claims regarding the role of hybridization in adaptive evolution and provides an experimental and conceptual framework for ongoing studies in this area...
The nature of plant speciesLoren H Rieseberg
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Nature 440:524-7. 2006..Contrary to conventional wisdom, plant species are more likely than animal species to represent reproductively independent lineages...
Major ecological transitions in wild sunflowers facilitated by hybridizationLoren H Rieseberg
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Science 301:1211-6. 2003..The same combinations of parental chromosomal segments required to generate extreme phenotypes in synthetic hybrids also occurred in ancient hybrids. Thus, hybridization facilitated ecological divergence in sunflowers...
Re-creating ancient hybrid species' complex phenotypes from early-generation synthetic hybrids: three examples using wild sunflowersDavid M Rosenthal
Department of Plant Biology, University of Georgia, Athens, Georgia 30602 7271, USA
Am Nat 166:26-41. 2005..Our results demonstrate past hybridization could have generated hybrid species-like multitrait phenotypes suitable for persistence in their respective environments in just three generations after initial hybridization...
How species evolve collectively: implications of gene flow and selection for the spread of advantageous allelesCarrie L Morjan
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Mol Ecol 13:1341-56. 2004..Thus, species may evolve collectively at major loci through the spread of favourable alleles, while simultaneously differentiating at other loci due to drift and local selection...
Patterns of genetic diversity and candidate genes for ecological divergence in a homoploid hybrid sunflower, Helianthus anomalusYuval Sapir
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Mol Ecol 16:5017-29. 2007..Finally, our data suggest that selective sweeps may have united populations of H. anomalus isolated by a mountain range, indicating that even low gene-flow species may be held together by the spread of advantageous alleles...
Genetic architecture of a selection response in Arabidopsis thalianaMark C Ungerer
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Evolution 57:2531-9. 2003..This study demonstrates how QTL mapping approaches can be combined with map-based population genetic data to study how selection acts on standing genetic variation in populations...
The origin of ecological divergence in Helianthus paradoxus (Asteraceae): selection on transgressive characters in a novel hybrid habitatChristian Lexer
Indiana University, Department of Biology, Jordan Hall 325, Bloomington, Indiana 47405, USA
Evolution 57:1989-2000. 2003..annuus and H. petiolaris. These results are consistent with the hypothesis that transgressive segregation of elemental uptake and leaf succulence contributed to the origin of salt adaptation in the diploid hybrid species H. paradoxus...
Molecular demographic history of the annual sunflowers Helianthus annuus and H. petiolaris--large effective population sizes and rates of long-term gene flowJared L Strasburg
Department of Biology, Indiana University, 915 E 3rd Street 150, Bloomington, Indiana 47405, USA
Evolution 62:1936-50. 2008....
Genetics of intrinsic postzygotic isolation in a circumpolar plant species, Draba nivalis (Brassicaceae)Inger Skrede
National Centre for Biosystematics, Natural History Museum, University of Oslo, NO 0318 Oslo, Norway
Evolution 62:1840-51. 2008..The results imply that multiple genetic mechanisms underlie the rapid evolution of reproductive barriers in Draba...
The genetic architecture necessary for transgressive segregation is common in both natural and domesticated populationsLoren H Rieseberg
Department of Biology, Indiana University, 1001 E 3rd Street, Bloomington, IN 47405, USA
Philos Trans R Soc Lond B Biol Sci 358:1141-7. 2003....
Directional selection is the primary cause of phenotypic diversificationLoren H Rieseberg
Department of Biology, Indiana University, Bloomington, IN 47405 3700, USA
Proc Natl Acad Sci U S A 99:12242-5. 2002....
Fitness effects of transgenic disease resistance in sunflowersJohn M Burke
Department of Biological Sciences, Vanderbilt University, Nashville, TN 37235-1634, USA
Science 300:1250. 2003
Evolution. Chromosomal speciation in primatesLoren H Rieseberg
Biology Department, Indiana University, Bloomington, IN 47405, USA
Science 300:267-8. 2003
Patterns of genetic variation suggest a single, ancient origin for the diploid hybrid species Helianthus paradoxusMark E Welch
Department of Biology, Indiana University, 1001 East Third Street, Bloomington, Indiana 47405, USA
Evolution 56:2126-37. 2002..annuus, such as large migratory mammals...
Comparative mapping and rapid karyotypic evolution in the genus helianthusJohn M Burke
Department of Biological Sciences, Vanderbilt University, Nashville, Tennessee 37235, USA
Genetics 167:449-57. 2004..5-7.3 chromosomal rearrangements per million years of evolution, the highest rate reported for any taxonomic group to date...
Genetics and evolution of weedy Helianthus annuus populations: adaptation of an agricultural weedNolan C Kane
Department of Biology, Jordan Hall, 1001 E Third Street, Indiana University, Bloomington, Indiana 47405, USA
Mol Ecol 17:384-94. 2008..Together, our results point to the relative ease with which weedy forms of this species can evolve and persist despite the potentially high levels of geneflow with nearby wild populations...
A genomewide study of reproductive barriers between allopatric populations of a homosporous fern, Ceratopteris richardiiTakuya Nakazato
Department of Biology, Indiana University, Bloomington, Indiana 47405 7005, USA
Genetics 177:1141-50. 2007....
Genetic consequences of selection during the evolution of cultivated sunflowerJohn M Burke
Department of Biological Sciences, Vanderbilt University, VU Station B 351634, Nashville, TN 37235, USA
Genetics 171:1933-40. 2005..Strong directional selection in concert with genetic hitchhiking therefore offers a possible explanation for the occurrence of numerous domestication-related QTL with apparently maladaptive phenotypic effects...
Parallel genotypic adaptation: when evolution repeats itselfTroy E Wood
Indiana University, 1001 E Third St, Jordan Hall 142, Bloomington, IN 47405, USA
Genetica 123:157-70. 2005....
Extensive chromosomal repatterning and the evolution of sterility barriers in hybrid sunflower speciesZhao Lai
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Genetics 171:291-303. 2005..Finally, pollen and seed fertility estimates for F1's between the hybrid and parental species fall below 11%, which is sufficient for evolutionary independence of the hybrid neospecies...
High biological species diversity in the arctic floraHanne Hegre Grundt
National Centre for Biosystematics, Natural History Museum, University of Oslo, P.O. Box 1172, Blindern NO-0318 Oslo, Norway
Proc Natl Acad Sci U S A 103:972-5. 2006....
Maize genetics: the treasure of the Sierra MadreNolan C Kane
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Curr Biol 15:R137-9. 2005..Massive morphological changes occurred during the domestication of maize from wild teosinte. Some of the most important shifts are due to altered expression patterns of major regulatory genes...
Genetic map-based analysis of genome structure in the homosporous fern Ceratopteris richardiiTakuya Nakazato
Department of Biology, Indiana University, Bloomington, Indiana 47405 7005, USA
Genetics 173:1585-97. 2006..richardii. Alternatively, evidence of past polyploidization(s) may be masked by extensive chromosomal rearrangements as well as smaller-scale duplications and deletions following polyploidization(s)...
Selection on leaf ecophysiological traits in a desert hybrid Helianthus species and early-generation hybridsFulco Ludwig
Department of Plant Biology, 2502 Plant Sciences Building, University of Georgia, Athens, Georgia 30602 7271, USA
Evolution 58:2682-92. 2004....
Reconstructing the origin of Helianthus deserticola: survival and selection on the desert floorBriana L Gross
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Am Nat 164:145-56. 2004..deserticola phenotype. Thus, H. deserticola may have originated from habitat-mediated directional selection acting on hybrids between H. annuus and H. petiolaris in a desert environment...
Genetic architecture of leaf ecophysiological traits in HelianthusLarry C Brouillette
Department of Plant Biology, University of Georgia, Athens, GA 30602, USA
J Hered 98:142-6. 2007..We speculate that the genetic architecture underlying leaf nitrogen may have facilitated the colonization of active desert sand dunes by H. anomalus...
Rampant gene exchange across a strong reproductive barrier between the annual sunflowers, Helianthus annuus and H. petiolarisYoko Yatabe
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Genetics 175:1883-93. 2007..In general, these results indicate that even strong and genetically complex reproductive barriers cannot prevent widespread introgression...
Reconstructing the history of selection during homoploid hybrid speciationSophie Karrenberg
Institute of Integrative Biology, Eidgenossische Technische Hochschule Zurich, Zurich, Switzerland
Am Nat 169:725-37. 2007..This study presents a new method to test for selection and supports earlier claims that fertility selection and phenotypic selection on ecologically relevant traits have operated simultaneously during sunflower hybrid speciation...
Hybridization and genome size evolution: timing and magnitude of nuclear DNA content increases in Helianthus homoploid hybrid speciesEric J Baack
Department of Biology, Indiana University, 1001 East Third Street, Bloomington, IN 47405, USA
New Phytol 167:623-30. 2005..In summary, hybridization by itself does not lead to increased nuclear DNA content in Helianthus, and the evolutionary forces responsible for the repeated increases in DNA content seen in the hybrid-derived species remain mysterious...
Selective sweeps in the homoploid hybrid species Helianthus deserticola: evolution in concert across populations and across originsBriana L Gross
Department of Biology, Indiana University, Bloomington, Indiana 47405, USA
Mol Ecol 16:5246-58. 2007..Only one population of H. deserticola showed candidate sweeps that were unique compared to the rest of the species, and this population has also potentially experienced recent admixture with the parental species...
Research Grants
- TRANSGRESSIVE SEGREGATION, ADAPTATION, AND SPECIATIONLoren Rieseberg; Fiscal Year: 2007..The proposed work represents an important step toward understanding the contribution of hybridization to adaptive evolution and speciation. ..
