Author

Henri Pesonen

Oslo University HospitalORCID 0000-0003-4500-2926Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Signature Assays, Organisms & Methods

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Approach:statistical model· 2 Organism:bacteria (other)· 1 Research Focus:benchmarking· 1 Organism:E. coli· 1 Research Focus:phylogenetics / evolution· 1 Approach:simulation· 1 Assay:whole-genome sequencing· 1

Frequent Co-Authors

Gerry Q. Tonkin‐HilliD· 2 shared Jukka CoranderiD· 2 shared Anlei Peng· 1 shared Chuhan QiniD· 1 shared Fanni OjalaiD· 1 shared Jacqueline ToussaintiD· 1 shared Johanna von WachsmanniD· 1 shared John A. LeesiD· 1 shared

Activity by Year

2025-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 38 mutual co-author links

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2 shared papersBioinformatics

Gerry Q. Tonkin‐HillORCID

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2 papers

Recent·Most cited

BioinformaticsbioRxivPreprintFeb 6, 2026

Rapid gene exchange explains differences in bacterial pangenome structure

Samuel Horsfield, Anlei Peng, Matthew Russell…·John A. Lees

The paper develops a model to analyze pangenome dynamics and finds that differences in bacterial pangenomes are mainly due to variation in the number of rapidly exchanged genes.

DOI 10.64898/2026.02.04.703695

bacteria (other)whole-genome sequencing

𝕏 PostBluesky

MicrobiologyNature CommunicationsPeer-reviewedNov 4, 2025

Basic reproduction number for pandemic Escherichia coli clones varies markedly and can be comparable to pandemic influenza viruses

Fanni Ojala, Henri Pesonen, Rebecca A. Gladstone…·Jukka Corander

The paper estimates the basic reproduction number (R0) for pandemic E. coli clones and finds that ST131-A has an R0 comparable to pandemic influenza viruses.

6 citations

E. colistatistical model

𝕏 PostBluesky