Author

Kaj Kamstra

University of OtagoORCID 0000-0002-5776-3215Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Animal Behavior & Cognition· 2 Genomics· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 3 Assay:behavioral assay· 2 Research Focus:development & morphogenesis· 2 Research Focus:host-pathogen & immune response· 2 Assay:bulk RNA-seq· 1 Research Focus:cell type annotation· 1 Research Focus:differential expression· 1 Research Focus:gene regulatory network inference· 1

Frequent Co-Authors

Chloé A. van der BurgiD· 3 shared Neil J. GemmelliD· 3 shared Simon MuncasteriD· 3 shared Christine Louise JasoniiD· 2 shared Culum BrowniD· 2 shared Erica V. ToddiD· 2 shared Haylee M. QuertermousiD· 2 shared Alan TraceyiD· 1 shared

Activity by Year

2025-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 36 mutual co-author links

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3 shared papersAnimal Behavior & Cognition

Chloé A. van der BurgORCID

Mutual co-authors in cluster

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3 papers

Recent·Most cited

GenomicsbioRxivPreprintSep 8, 2026

Gonadal remodelling in socially driven sex change is associated with novel and known sex genes, epigenetic reprogramming, and inflammation-mediated apoptosis.

Chloé A. van der Burg, Alexander Goikoetxea, Simon Muncaster…·Neil J. Gemmell

DOI 10.64898/2026.09.03.749291

non-human primatebulk RNA-seq

𝕏 PostBluesky

Animal Behavior & CognitionbioRxivPreprintMar 19, 2026

Loser effects orchestrate dominance hierarchies in socially-controlled sex change

Haylee M. Quertermous, Chloé A. van der Burg, Kaj Kamstra…·Neil J. Gemmell

The paper shows that loser effects, not winner effects, determine social dominance in female-to-male sex-changing fish, influencing sexual transformation through social hierarchy dynamics.

DOI 10.64898/2026.03.16.712238

behavioral assayexperimental assay

𝕏 PostBluesky

Animal Behavior & CognitionProceedings of the Royal Society B Biological SciencesPeer-reviewedMay 1, 2025

Behavioral and neural correlates of social hierarchy formation in a sex-changing fish

Haylee M. Quertermous, Kaj Kamstra, Chloé A. van der Burg…·Neil J. Gemmell

This study examines social hierarchy formation in sex-changing fish, finding that dominance is size-based and disruption leads to rapid behavioral and neural changes.

9 citations

zebrafishbehavioral assay

𝕏 PostBluesky