Author

Olivia L Johnson

Pennsylvania State UniversityORCID 0000-0001-8029-2397Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Evolutionary Biology· 1 Genomics· 1

Signature Assays, Organisms & Methods

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Research Focus:differential expression· 1 Organism:Drosophila· 1 Research Focus:gene regulatory network inference· 1 Organism:human· 1 Approach:simulation· 1 Approach:statistical model· 1 Research Focus:variant calling· 1 Research Focus:variant effect prediction· 1

Frequent Co-Authors

Christian D. HuberiD· 2 shared Joshua M. SchmidtiD· 2 shared Raymond TobleriD· 2 shared Adam B. RohrlachiD· 1 shared Alan CooperiD· 1 shared Angad JohariD· 1 shared CHRIS S. M. TURNEYiD· 1 shared Graham GoweriD· 1 shared

Activity by Year

2022-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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2 shared papersEvolutionary Biology

Christian D. HuberORCID

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2 papers

Recent·Most cited

Evolutionary BiologyG3 Genes Genomes GeneticsPeer-reviewedSep 3, 2026

Seasonal fluctuations in fitness result in severe reductions in effective population size

Olivia L Johnson, Raymond Tobler, Joshua M. Schmidt, Christian D. Huber

The paper simulates seasonally fluctuating selection in Drosophila populations and shows it reduces genome-wide effective population size by ~50%.

1 citation

Drosophilasimulation

𝕏 PostBluesky

GenomicsNature Ecology & EvolutionPeer-reviewedOct 31, 2022

Admixture has obscured signals of historical hard sweeps in humans

Yassine Souilmi, Raymond Tobler, Angad Johar…·Christian D. Huber

The paper shows that admixture in modern European genomes has masked over 50 historic hard sweeps, suggesting underappreciation of historical selection in human evolution.

41 citationstop 4%

humanwhole-genome sequencing

𝕏 PostBluesky