ArticleScientific reports2020
Brain transcriptomics of agonistic behaviour in the weakly electric fish Gymnotus omarorum, a wild teleost model of non-breeding aggression.
Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- A perspective on neuroethology: what the past teaches us about the future of neuroethology.Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology · 2024Review
- Neuroendocrine mechanisms contributing to the coevolution of sociality and communication.Frontiers in neuroendocrinology · 2023Review
- Brain and circulating steroids in an electric fish: Relevance for non-breeding aggression.PloS one · 2023Article
- Transcriptomes of testis and pituitary from male Nile tilapia (O. niloticus L.) in the context of social status.PloS one · 2022Article
- Social boldness correlates with brain gene expression in male green anoles.Hormones and behavior · 2021Article
- Vocal and Electric Fish: Revisiting a Comparison of Two Teleost Models in the Neuroethology of Social Behavior.Frontiers in neural circuits · 2021Review
- Neuroendocrine Mechanisms Underlying Non-breeding Aggression: Common Strategies Between Birds and Fish.Frontiers in neural circuits · 2021Review
- A Teleost Fish Model to Understand Hormonal Mechanisms of Non-breeding Territorial Behavior.Frontiers in endocrinology · 2020Review
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9 authors.
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Abstract
Differences in social status are often mediated by agonistic encounters between competitors. Robust literature has examined social status-dependent brain gene expression profiles across vertebrates, yet social status and reproductive state are often confounded. It has therefore been challenging to identify the neuromolecular mechanisms underlying social status independent of reproductive state. Weakly electric fish, Gymnotus omarorum, display territorial aggression and social dominance independent of reproductive state. We use wild-derived G. omarorum males to conduct a transcriptomic analysis of non-breeding social dominance relationships. After allowing paired rivals to establish a dominance hierarchy, we profiled the transcriptomes of brain sections containing the preoptic area (region involved in regulating aggressive behaviour) in dominant and subordinate individuals. We identified 16 differentially expressed genes (FDR < 0.05) and numerous genes that co-varied with behavioural traits. We also compared our results with previous reports of differential gene expression in other teleost species. Overall, our study establishes G. omarorum as a powerful model system for understanding the neuromolecular bases of social status independent of reproductive state.
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