ArticleProceedings of the National Academy of Sciences of the United States of America2025
Cryptic genetic variation in brain gene expression precedes the evolution of cannibalism in spadefoot toad tadpoles.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- AScience signaling · 2026Article
- Competition's Role in Shaping Cryptic Genetic Variation.Evolution & development · 2026Article
- The evolution of cavefish odor perception shifts fish response from avoidance to approach when exposed to alarm and death odors.bioRxiv : the preprint server for biology · 2025Article
- Cryptic genetic variation in brain gene expression precedes the evolution of cannibalism in spadefoot toad tadpoles.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
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2 authors.
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Abstract
The origins of novel behaviors are poorly understood, despite behavior's hypothesized roles in evolution. One model, "genetic accommodation," proposes that selection on ancestral phenotypic plasticity may precede the evolution of novel traits. A critical assumption of genetic accommodation is that ancestral lineages possess heritable genetic variation for trait plasticity that is revealed in novel environments, thereby providing the raw materials for subsequent refinement of the novel trait in derived lineages. Here, we use a combination of behavioral and RNA-seq approaches to test this assumption in the context of a novel tadpole behavior: predatory cannibalism. Cannibalism evolved in the spadefoot genus
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