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Developmental origins and evolution of pallial cell types and structures in birds

Innovations in the pallium likely facilitated the evolution of advanced cognitive abilities in birds. We therefore scrutinized its cellular composition and evolution using cell type atlases from chicken, mouse, and nonavian reptiles. We found that the avian pallium shares most inhibitory neuron type...

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Hauptverfasser: Zaremba, Bastienne (Verfasst von) , Fallahshahroudi, Amir (Verfasst von) , Schneider, Céline (Verfasst von) , Schmidt, Julia (Verfasst von) , Sarropoulos, Ioannis (Verfasst von) , Leushkin, Evgeny (Verfasst von) , Berki, Bianka (Verfasst von) , Van Poucke, Enya (Verfasst von) , Jensen, Per (Verfasst von) , Senovilla-Ganzo, Rodrigo (Verfasst von) , Hervas Sotomayor, Francisca (Verfasst von) , Trost, Nils (Verfasst von) , Lamanna, Francesco (Verfasst von) , Sepp, Mari (Verfasst von) , García-Moreno, Fernando (Verfasst von) , Kaessmann, Henrik (Verfasst von)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: February 14, 2025
In: Science
Year: 2025, Jahrgang: 387, Pages: 1-15
ISSN:1095-9203
DOI:10.1126/science.adp5182
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1126/science.adp5182
Verlag, lizenzpflichtig, Volltext: https://www.science.org/doi/10.1126/science.adp5182
Volltext
Verfasserangaben:Bastienne Zaremba, Amir Fallahshahroudi, Céline Schneider, Julia Schmidt, Ioannis Sarropoulos, Evgeny Leushkin, Bianka Berki, Enya Van Poucke, Per Jensen, Rodrigo Senovilla-Ganzo, Francisca Hervas-Sotomayor, Nils Trost, Francesco Lamanna, Mari Sepp, Fernando García-Moreno, Henrik Kaessmann
Beschreibung
Zusammenfassung:Innovations in the pallium likely facilitated the evolution of advanced cognitive abilities in birds. We therefore scrutinized its cellular composition and evolution using cell type atlases from chicken, mouse, and nonavian reptiles. We found that the avian pallium shares most inhibitory neuron types with other amniotes. Whereas excitatory neuron types in amniote hippocampal regions show evolutionary conservation, those in other pallial regions have diverged. Neurons in the avian mesopallium display gene expression profiles akin to the mammalian claustrum and deep cortical layers, while certain nidopallial cell types resemble neurons in the piriform cortex. Lastly, we observed substantial gene expression convergence between the dorsally located hyperpallium and ventrally located nidopallium during late development, suggesting that topological location does not always dictate gene expression programs determining functional properties in the adult avian pallium.
Beschreibung:Gesehen am 06.10.2025
Beschreibung:Online Resource
ISSN:1095-9203
DOI:10.1126/science.adp5182

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