ArticleGenetics and molecular biology
A putative RA-like region in the brain of the scale-backed antbird, Willisornis poecilinotus (Furnariides, Suboscines, Passeriformes, Thamnophilidae).
Article in Genetics and molecular biology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 18 citations in OpenAlex.
- Vocal convergence and social proximity shape the calls of the most basal Passeriformes, New Zealand Wrens.Communications biology · 2024Article
- Light-induced shifts in opsin gene expression in the four-eyed fishFrontiers in neuroscience · 2022Article
- Re-evaluating vocal production learning in non-oscine birds.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2021Review
- Replay of innate vocal patterns during night sleep in suboscines.Proceedings. Biological sciences · 2021Article
- Molecular specializations of deep cortical layer analogs in songbirds.Scientific reports · 2020Article
- Molecular architecture of the zebra finch arcopallium.The Journal of comparative neurology · 2019Article
- Deep evolutionary origin of limb and fin regeneration.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Seasonal changes in the song control nuclei of the Rufous-bellied Thrush, Turdus rufiventris (Oscine, Passeriformes, and Turdidae).Journal of experimental zoology. Part B, Molecular and developmental evolution · 2019Article
- Globin E is a myoglobin-related, respiratory protein highly expressed in lungfish oocytes.Scientific reports · 2019Article
- Eye development in the four-eyed fishProceedings. Biological sciences · 2017Article
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Authors and funding
9 authors at 3 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
The memorization and production of song in songbirds share important parallels with the process of speech acquisition in humans. In songbirds, these processes are dependent on a group of specialized telencephalic nuclei known as the song system: HVC (used as a proper name), RA (robust nucleus of arcopallium), LMAN (lateral magnocellular nucleus of the nidopallium) and striatal Area X. A recent study suggested that the arcopallium of the Sayornis phoebe, a non vocal learner suboscine species, contains a nucleus with some properties similar to those of songbird RA, suggesting that the song system may have been present in the last common ancestor of these groups. Here we report morphological and gene expression evidence that a region with some properties similar to RA is present in another suboscine, the Amazonian endemic Willisornis poecilinotus. Specifically, a discrete domain with a distinct Nissl staining pattern and that expresses the RA marker RGS4 was found in the arcopallium where the oscine RA is localized. Our findings, combined with the previous report on the S. phoebe, suggest that an arcopallial region with some RA-like properties was present in the ancestor of both Suboscines infraorders Tyranni and Furnarii, and is possibly an ancestral feature of Passeriformes.
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