Species persistence following hybridization in nature requires the purging of introgressed alleles. Genomic monitoring of a tsunami-induced hybrid stickleback population in Japan reveals rapid genome-wide purging including of loci involved in reproductive isolation 🧪 www.nature.com/articles/s41...

Rapid genome-wide purging following tsunami-induced hybridization in a stickleback population - Nature Ecology & Evolution

Species persistence following hybridization in nature requires the purging of introgressed alleles. Genomic monitoring of a tsunami-induced hybrid stickleback population in Japan reveals rapid genome-...

nature.com

A tsunami of genome reshuffling www.nature.com/articles/s41... Kelsie Hunnicutt discusses a new study in hybrid sticklebacks showing that hybrid incompatibilities drive rapid removal of introgressed alleles following the 2011 Tohoku tsunami in Japan Free to read: rdcu.be/ekJrEHm2iUea

A tsunami of genome reshuffling - Nature Ecology & Evolution

Generation-by-generation ancestry tracking in hybrid stickleback shows that hybrid incompatibilities drive rapid removal of introgressed alleles following a tsunami.

nature.com

@alexrepgh.bsky.social et al. identify SNP associated with genes involved in physiological processes such as ion regulation in gills and fatty acid metabolism in the brain during freshwater adaptation by oceanic sticklebacks. 🔗 academic.oup.com/gbe/article/... #societyjournal #genome #evolution

Genomic Signatures of Selection Are Enriched in Differentially Expressed Genes in Sticklebacks Adapting to Contrasting Environments

Abstract. Whole genome scans have identified numerous adaptive alleles in many species; however, linking these alleles to specific phenotypes remains a maj

academic.oup.com

Disentangling unique site-specific and shared habitat-level adaptation in a classic system of repeated evolution— just dropped this month! Read about your favorite “classic system of repeated evolution” ye ole stickleback! www.pnas.org/doi/10.1073/...

Part of my PhD work is now published in @genomebiolevol.bsky.social academic.oup.com/gbe/article/...

Genomic Signatures of Selection Are Enriched in Differentially Expressed Genes in Sticklebacks Adapting to Contrasting Environments

Abstract. Whole genome scans have identified numerous adaptive alleles in many species; however, linking these alleles to specific phenotypes remains a maj

academic.oup.com

In case you missed it, looks like a very interesting paper: Rare jackpot individuals drive rapid adaptation in Threespine Stickleback www.nature.com/articles/s41...

Rare jackpot individuals drive rapid adaptation in Threespine Stickleback - Nature Communications

Recombination can speed up adaptation by bringing beneficial alleles together. However, this study shows rapid adaptation in Threespine Stickleback fish depends more on the initial frequency of allele...

nature.com

So good to be at #PEQG26 ! * Congrats to PhD student @siyuan-feng.bsky.social on giving 2 talks (DNA->music and evol. multi-omics) within ~16 hours! * Look for posters by Jamie Freeman and Myron Child. * Searching for a postdoc! Glad to talk here at PEQG, online, or later this month at #SMBE2026

Variable jackpot individuals provide most alleles for repeated, rapid adaptation to freshwater by anadromous Threespine Stickleback https://www.biorxiv.org/content/10.64898/2026.05.29.728866v1

Complex Patterns of Hitchhiking Mutation Load Among Stickleback Populations. New paper led by Jana Nickel out in GBE @genomebiolevol.bsky.social doi.org/10.1093/gbe/...

Genomic signatures of selection are enriched in differentially expressed genes in sticklebacks adapting to contrasting environments https://www.biorxiv.org/content/10.64898/2026.02.22.707242v1

Genomic signatures of selection are enriched in differentially expressed genes in sticklebacks adapting to contrasting environments https://www.biorxiv.org/content/10.64898/2026.02.22.707242v1

New paper out in Heredity: 'Evidence of long-term purging of mutation burden in killer whale genomes'. Time calibration of purging was through inclusion of an ancient (7.5Kyr) genome which was close to directly ancestral to the present-day population with signature of purging. rdcu.be/eM25j

Experimental rewilding of stickleback drives phenotypic shifts that oppose long-term evolutionary trajectories in Daphnia in Alaskan lakes https://www.biorxiv.org/content/10.1101/2025.10.15.682675v1

Transposable elements drive much of naturally occurring genetic lethality in Drosophila melanogaster https://www.biorxiv.org/content/10.1101/2025.10.16.682755v1

'Ancient stickleback genomes reveal the early stages of parallel adaptation' - now published online in Evolution @journal-evo.bsky.social‬

bioRxiv Evolutionary Biology@biorxiv-evobio.bsky.social · last yr.

Ancient stickleback genomes reveal the chronology of parallel adaptation https://www.biorxiv.org/content/10.1101/2025.04.14.648705v1

Ancient stickleback genomes reveal the chronology of parallel adaptation https://www.biorxiv.org/content/10.1101/2025.04.14.648705v1

Rare Jackpot Individuals Drive Rapid Adaptation in Threespine Stickleback https://www.biorxiv.org/content/10.1101/2025.03.25.642177v1

Rare Jackpot Individuals Drive Rapid Adaptation in Threespine Stickleback https://www.biorxiv.org/content/10.1101/2025.03.25.642177v1

Clinical progression of clonal hematopoiesis is determined by a combination of mutation timing, fitness, and clonal structure https://www.biorxiv.org/content/10.1101/2025.02.28.640879v1

Blood-based Epigenetic Instability Linked to Human Aging and Disease https://www.biorxiv.org/content/10.1101/2025.02.25.640133v1

Tracing the Spread of Celtic Languages using Ancient Genomics https://www.biorxiv.org/content/10.1101/2025.02.28.640770v1

Coancestry superposed on admixed populations yields measures of relatedness at individual-level resolution https://www.biorxiv.org/content/10.1101/2024.12.29.630632v1

Tomatoes lose their bitterness and toxicity as they ripen thanks to DNA demethylation, the hormone ethylene, and key transcription factors, finds a new #ScienceAdvances study. scim.ag/4bfdr8u

Removal of toxic steroidal glycoalkaloids and bitterness in tomato is controlled by a complex epigenetic and genetic network

A complex regulatory network controls the removal of toxic steroidal glycoalkaloids during tomato ripening.

scim.ag

Estimating gene conversion rates from population data using multi-individual identity by descent https://www.biorxiv.org/content/10.1101/2025.02.22.639693v1

Accelerated genome shuffling associated with rapid evolution of sexual conflict in seed beetles https://www.biorxiv.org/content/10.1101/2025.02.24.639998v1

Local Adaptation of Life-History Traits in a Seasonal Environment https://www.biorxiv.org/content/10.1101/2025.02.25.640023v1

Not just mutations: Inbreeding depression persists without genetic variation https://www.biorxiv.org/content/10.1101/2025.02.25.640231v1

Variant effects depend on polygenic background: experimental, clinical, and evolutionary implications https://www.biorxiv.org/content/10.1101/2025.01.07.631805v1

Viral Simulation Reveals Overestimation Bias in Within-Host Phylodynamic Migration Rate Estimates Under Selection https://www.biorxiv.org/content/10.1101/2025.01.06.631458v1

Happy new year 🎆