In vivo sonic hedgehog pathway antagonism temporarily results in ancestral proto-feather-like structures in the chicken

• Rory L. Cooper,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Laboratory of Artificial and Natural Evolution (LANE), Department of Genetics and Evolution, University of Geneva, Geneva, Switzerland

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• Michel C. Milinkovitch

  Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: Michel.Milinkovitch@unige.ch

  Affiliations Laboratory of Artificial and Natural Evolution (LANE), Department of Genetics and Evolution, University of Geneva, Geneva, Switzerland, Swiss Institute of Bioinformatics (SIB), Geneva, Switzerland

  https://orcid.org/0000-0002-2553-0724

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