Polyploidy Webinar

The first Wednesday of each month at 11AM PST join us for two 20 minute talks about polyploidy!

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The 2024-2025 schedule is full! Follow on bluesky (@barkerms.bsky.social) or sign up the mailing list for seminar announcements!

View the full 2024–2025 schedule


Past Webinars

February 5, 2025 — Charity Goeckeritz & Christoph Rosche


December 4, 2024

Pam & Doug SoltisThe new Polyploidy Integration and Innovation Institute

Trevor FaskeMixed-ploidy clustering analyses

December 4, 2024 webinar flyer


November 6, 2024

Sylvia KinosianGenomics is modifying our concepts of evolution in homosporous pteridophytes

Tamsen DunnDeciphering the Polyploid Ks Histogram with Forward Time Simulations

November 6, 2024 webinar flyer


October 2, 2024

Shelley Gaynor & Michael McKibbenModeling polyploidy and inferring ancient WGDs

October 2, 2024 webinar flyer


April 5, 2023

Xinyi GuoThe role of polyploidy in the evolution of the Arctic flora

Srijana ShresthaEvolutionary dynamics of polyploidy in the genus Packera


March 1, 2023

Alyssa PhillipsThe origin and persistence of mixed-ploidy in Andropogon gerardi

Paul BlischakGenomic insights into the evolution of polyploid Heuchera


February 1, 2023

Elise PareyGenome duplication and the evolution of gene expression in teleost fish

Ben BlonderPolyploidy and the assembly of plant communities


January 11, 2023

David WickellSyntenic analysis of seed-free plant genomes reveals evolutionary stasis over hundreds of millions of years

Adam SessionK-mer identification of polyploid subgenomes and subchromosomal architecture

January 2023 webinar screenshot


December 7, 2022

Brian HusbandIntraspecific variation in the response to whole genome duplication: insights into the adaptive significance of polyploidy

Hannes BecherVariation in genome size and composition — Explored with k-mers


November 2, 2022

Corrinne GroverCytonuclear expression accommodation in polyploid lineages

Evan ForsytheOrganellar transcripts dominate the cellular mRNA pool across plants of varying ploidy levels


March 14, 2022

Gillian ReynoldsComputational strategies reveal subgenome-specific signatures of polyploid evolution

Paul BlischakGenomic and ecological consequences of polyploidy in the desert plant genus Larrea


December 13, 2021

Na WeiEcological Consequences of Polyploidy

Alison ScottAdaptation to polyploidy in Siberian Arabidopsis lyrata


November 15, 2021

Michael McKibbenThe legacy of whole genome duplications in diploid plant genomes

Annaliese MasonNew hybrid Brassica types


October 18, 2021

Charity GoeckeritzThe genome assembly and annotation of the pie cherry (P. cerasus cv. ‘Montmorency’)

Kathleen RhoadesAssigning subgenomes in the allotetraploid sour cherry, Prunus cerasus L.


September 20, 2021

Kyle DavidEnvironment and ploidy in South American frogs

Josselin CloShort-term consequences of polyploidization on the evolvability of populations


May 24, 2021

Brittany SutherlandWhere the rules are made up and dosage doesn’t matter: potential conduits for interploidy gene flow

Mischa OlsonThe disruption of meiotic prophase in neotetraploid maize


May 10, 2021

Wendy Van DrunenThe impact of urbanisation on polyploid vs diploid species distributions in Canada’s largest metropolitan area

Shelly GaynorModelling the dynamics of multiple origins and gene flow in autopolyploids and their diploid progenitor


April 26, 2021

Samina NaseerExploring genetic and phenotypic diversity of biotechnologically important yeasts

Eric SchranzTetraploidy to hexaploidy: the ploidy two-step in the Cleomaceae

April 2023 webinar screenshot


April 12, 2021

Joe WilliamsPolyploidy and pollen performance: obstacle or opportunity

Arthur ZwaenepoelStatistical inference of whole-genome duplications in a phylogenetic context


March 29, 2021

Julia KreinerThe frequency and maintenance of unreduced gametes: implications for polyploid formation

Ben GerstnerWhy so many polyploids? Accounting for environmental stochasticity in unreduced gamete formation


March 15, 2021

Magdalena BohutínskáGenomic novelty and process-level convergence in adaptation to whole genome duplication

Marek GlombikHomoeolog-specific gene expression in reciprocal plant hybrids


March 1, 2021

Kevin BirdReplaying the evolutionary tape to investigate subgenome dominance in allopolyploid Brassica napus

Trevor KrabbenhoftConservation of karyotype and subgenome structure across deep time in an allopolyploid fish


February 15, 2021

Pilar CatalanPhylogenomic detection of known and ghost subgenomes of model grass polyploids

David KopeckyGenome dominance in newly established allopolyploid grasses


December 7, 2020

Veronika KonečnáRepeated recruitment is the dominant source of adaptive variation in autopolyploid Arabidopsis arenosa


November 9, 2020

Ovidiu PaunMacro- and microevolutionary drivers of allopolyploid evolution in Dactylorhiza (Orchidaceae)

Dirk AlbachHybridization and polyploidization in Veronica spicata and relatives — the continental scale using GBS


October 26, 2020

Verónica Di StilioInterdependence of polyploidy, unisexual flowers and wind pollination in a ranunculid

Juan LosadaFrom individual cells to organisms: source to sink transport in subtropical fruit trees with different ploidies


October 12, 2020

Anthony BaniagaInvestigating mechanisms of cytotype coexistence of the Viburnum dentatum complex on coastal islands off the Northeastern US

Jeannette WhittonEcological and reproductive contributions to range limits of diploid and polyploid Townsendia hookeri


September 28, 2020

Will BookerThe complex history of genome duplication and hybridization in North American gray tree frogs

Shengchen ShanTranscriptome dynamics of the inflorescence in reciprocally formed allopolyploid Tragopogon miscellus (Asteraceae)


September 14, 2020

Justin ConoverMutation load in cotton: the impacts of polyploidy, domestication, and speciation

Souhir MarsitThe rate of whole-genome duplication can be accelerated by hybridization


August 31, 2020

Claire McWhiteComparative proteomics of polyploids

Cristian Román-PalaciosPolyploids increase overall diversity despite higher turnover than diploids in the Brassicaceae


August 17, 2020

Paul BlischakInvestigating the demographic consequences of whole-genome duplication

R. Shawn AbrahamsThe role of polyploidy in the evolution of a Brassicaceae key innovation


July 13, 2020

Anne CuréNeopolyploidy in Arabidopsis thaliana affects performance of the generalist insect herbivore, Trichoplusia ni

Sílvia CastroCan we live together? The role of multiple reproductive barriers enabling cytotype co-existence in a tetraploid-octoploid contact zone


June 29, 2020

Sònia GarciaB-chromosomes, sex chromosomes, and polyploidy

Joel SharbroughThe cytonuclear dimension of allopolyploidy


June 15, 2020

David GerardThe updog R package for genotyping polyploids

Rosana Zenil-FergusonInteraction among polyploidy, breeding system, and lineage diversification


June 1, 2020

Paulina TomaszewskaCytogenetics and polyploidy to exploit biodiversity in Urochloa (Brachiaria) tropical forage grasses

Lex FlagelDeep learning methods for population genetics in polyploids


May 18, 2020

Thomas AnnebergNeopolyploid Heuchera cylindrica are more nutrient limited

Zheng LiAncient polyploidy and low rates of chromosome loss explain ferns with high chromosomes


May 4, 2020

Tony HeitkamThe genetic origin of the cultivated triploid saffron crocus

James BeckDo giant goldenrod (Solidago gigantea) cytotypes occupy different niches?


April 20, 2020

Kamil S. JaronCharacterising features of polyploid genomes directly from sequencing reads

Michael McKainImpacts of homoeologous exchange on polyploid subgenomes