Polyploidy Webinar
The first Wednesday of each month at 11AM PST join us for two 20 minute talks about polyploidy!
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 Soltis — The new Polyploidy Integration and Innovation Institute
Trevor Faske — Mixed-ploidy clustering analyses

November 6, 2024
Sylvia Kinosian — Genomics is modifying our concepts of evolution in homosporous pteridophytes
Tamsen Dunn — Deciphering the Polyploid Ks Histogram with Forward Time Simulations

October 2, 2024
Shelley Gaynor & Michael McKibben — Modeling polyploidy and inferring ancient WGDs

April 5, 2023
Xinyi Guo — The role of polyploidy in the evolution of the Arctic flora
Srijana Shrestha — Evolutionary dynamics of polyploidy in the genus Packera
March 1, 2023
Alyssa Phillips — The origin and persistence of mixed-ploidy in Andropogon gerardi
Paul Blischak — Genomic insights into the evolution of polyploid Heuchera
February 1, 2023
Elise Parey — Genome duplication and the evolution of gene expression in teleost fish
Ben Blonder — Polyploidy and the assembly of plant communities
January 11, 2023
David Wickell — Syntenic analysis of seed-free plant genomes reveals evolutionary stasis over hundreds of millions of years
Adam Session — K-mer identification of polyploid subgenomes and subchromosomal architecture

December 7, 2022
Brian Husband — Intraspecific variation in the response to whole genome duplication: insights into the adaptive significance of polyploidy
Hannes Becher — Variation in genome size and composition — Explored with k-mers
November 2, 2022
Corrinne Grover — Cytonuclear expression accommodation in polyploid lineages
Evan Forsythe — Organellar transcripts dominate the cellular mRNA pool across plants of varying ploidy levels
March 14, 2022
Gillian Reynolds — Computational strategies reveal subgenome-specific signatures of polyploid evolution
Paul Blischak — Genomic and ecological consequences of polyploidy in the desert plant genus Larrea
December 13, 2021
Na Wei — Ecological Consequences of Polyploidy
Alison Scott — Adaptation to polyploidy in Siberian Arabidopsis lyrata
November 15, 2021
Michael McKibben — The legacy of whole genome duplications in diploid plant genomes
Annaliese Mason — New hybrid Brassica types
October 18, 2021
Charity Goeckeritz — The genome assembly and annotation of the pie cherry (P. cerasus cv. ‘Montmorency’)
Kathleen Rhoades — Assigning subgenomes in the allotetraploid sour cherry, Prunus cerasus L.
September 20, 2021
Kyle David — Environment and ploidy in South American frogs
Josselin Clo — Short-term consequences of polyploidization on the evolvability of populations
May 24, 2021
Brittany Sutherland — Where the rules are made up and dosage doesn’t matter: potential conduits for interploidy gene flow
Mischa Olson — The disruption of meiotic prophase in neotetraploid maize
May 10, 2021
Wendy Van Drunen — The impact of urbanisation on polyploid vs diploid species distributions in Canada’s largest metropolitan area
Shelly Gaynor — Modelling the dynamics of multiple origins and gene flow in autopolyploids and their diploid progenitor
April 26, 2021
Samina Naseer — Exploring genetic and phenotypic diversity of biotechnologically important yeasts
Eric Schranz — Tetraploidy to hexaploidy: the ploidy two-step in the Cleomaceae

April 12, 2021
Joe Williams — Polyploidy and pollen performance: obstacle or opportunity
Arthur Zwaenepoel — Statistical inference of whole-genome duplications in a phylogenetic context
March 29, 2021
Julia Kreiner — The frequency and maintenance of unreduced gametes: implications for polyploid formation
Ben Gerstner — Why so many polyploids? Accounting for environmental stochasticity in unreduced gamete formation
March 15, 2021
Magdalena Bohutínská — Genomic novelty and process-level convergence in adaptation to whole genome duplication
Marek Glombik — Homoeolog-specific gene expression in reciprocal plant hybrids
March 1, 2021
Kevin Bird — Replaying the evolutionary tape to investigate subgenome dominance in allopolyploid Brassica napus
Trevor Krabbenhoft — Conservation of karyotype and subgenome structure across deep time in an allopolyploid fish
February 15, 2021
Pilar Catalan — Phylogenomic detection of known and ghost subgenomes of model grass polyploids
David Kopecky — Genome dominance in newly established allopolyploid grasses
December 7, 2020
Veronika Konečná — Repeated recruitment is the dominant source of adaptive variation in autopolyploid Arabidopsis arenosa
November 9, 2020
Ovidiu Paun — Macro- and microevolutionary drivers of allopolyploid evolution in Dactylorhiza (Orchidaceae)
Dirk Albach — Hybridization and polyploidization in Veronica spicata and relatives — the continental scale using GBS
October 26, 2020
Verónica Di Stilio — Interdependence of polyploidy, unisexual flowers and wind pollination in a ranunculid
Juan Losada — From individual cells to organisms: source to sink transport in subtropical fruit trees with different ploidies
October 12, 2020
Anthony Baniaga — Investigating mechanisms of cytotype coexistence of the Viburnum dentatum complex on coastal islands off the Northeastern US
Jeannette Whitton — Ecological and reproductive contributions to range limits of diploid and polyploid Townsendia hookeri
September 28, 2020
Will Booker — The complex history of genome duplication and hybridization in North American gray tree frogs
Shengchen Shan — Transcriptome dynamics of the inflorescence in reciprocally formed allopolyploid Tragopogon miscellus (Asteraceae)
September 14, 2020
Justin Conover — Mutation load in cotton: the impacts of polyploidy, domestication, and speciation
Souhir Marsit — The rate of whole-genome duplication can be accelerated by hybridization
August 31, 2020
Claire McWhite — Comparative proteomics of polyploids
Cristian Román-Palacios — Polyploids increase overall diversity despite higher turnover than diploids in the Brassicaceae
August 17, 2020
Paul Blischak — Investigating the demographic consequences of whole-genome duplication
R. Shawn Abrahams — The role of polyploidy in the evolution of a Brassicaceae key innovation
July 13, 2020
Anne Curé — Neopolyploidy in Arabidopsis thaliana affects performance of the generalist insect herbivore, Trichoplusia ni
Sílvia Castro — Can we live together? The role of multiple reproductive barriers enabling cytotype co-existence in a tetraploid-octoploid contact zone
June 29, 2020
Sònia Garcia — B-chromosomes, sex chromosomes, and polyploidy
Joel Sharbrough — The cytonuclear dimension of allopolyploidy
June 15, 2020
David Gerard — The updog R package for genotyping polyploids
Rosana Zenil-Ferguson — Interaction among polyploidy, breeding system, and lineage diversification
June 1, 2020
Paulina Tomaszewska — Cytogenetics and polyploidy to exploit biodiversity in Urochloa (Brachiaria) tropical forage grasses
Lex Flagel — Deep learning methods for population genetics in polyploids
May 18, 2020
Thomas Anneberg — Neopolyploid Heuchera cylindrica are more nutrient limited
Zheng Li — Ancient polyploidy and low rates of chromosome loss explain ferns with high chromosomes
May 4, 2020
Tony Heitkam — The genetic origin of the cultivated triploid saffron crocus
James Beck — Do giant goldenrod (Solidago gigantea) cytotypes occupy different niches?
April 20, 2020
Kamil S. Jaron — Characterising features of polyploid genomes directly from sequencing reads
Michael McKain — Impacts of homoeologous exchange on polyploid subgenomes