ArticleNature genetics2013
The genome of the platyfish, Xiphophorus maculatus, provides insights into evolutionary adaptation and several complex traits.
Article in Nature genetics, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 149 papers.
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149 citing papers in PubMed, 324 citations in OpenAlex.
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- Regeneration of the dermal skeleton and wound epidermis formation depend on BMP signaling in the caudal fin of platyfish.Frontiers in cell and developmental biology · 2023Article
89 more citing papers are in PubMed but not listed here.
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Authors and funding
19 authors at 10 institutions in 5 countries.
Funding
Abstract
Several attributes intuitively considered to be typical mammalian features, such as complex behavior, live birth and malignant disease such as cancer, also appeared several times independently in lower vertebrates. The genetic mechanisms underlying the evolution of these elaborate traits are poorly understood. The platyfish, X. maculatus, offers a unique model to better understand the molecular biology of such traits. We report here the sequencing of the platyfish genome. Integrating genome assembly with extensive genetic maps identified an unexpected evolutionary stability of chromosomes in fish, in contrast to in mammals. Genes associated with viviparity show signatures of positive selection, identifying new putative functional domains and rare cases of parallel evolution. We also find that genes implicated in cognition show an unexpectedly high rate of duplicate gene retention after the teleost genome duplication event, suggesting a hypothesis for the evolution of the behavioral complexity in fish, which exceeds that found in amphibians and reptiles.
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