Alexander O Vargas

Summary

Publications

  1. pmc Cortical cytasters: a highly conserved developmental trait of Bilateria with similarities to Ctenophora
    Miguel Salinas-Saavedra
    Laboratory of Ontogeny and Phylogeny, Department of Biology, Faculty of Science, University of Chile, Las Palmeras, Nunoa, Casilla 653, Santiago, Chile
    Evodevo 2:23. 2011
  2. pmc The evolution of HoxD-11 expression in the bird wing: insights from Alligator mississippiensis
    Alexander O Vargas
    Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut, USA
    PLoS ONE 3:e3325. 2008
  3. doi request reprint Did Paul Kammerer discover epigenetic inheritance? A modern look at the controversial midwife toad experiments
    Alexander O Vargas
    Laboratory of Ontogeny and Phylogeny, Department of Biology, Faculty of Science, University of Chile, Las Palmeras, Nunoa, Casilla, Santiago, Chile
    J Exp Zool B Mol Dev Evol 312:667-78. 2009
  4. doi request reprint Evolution of digit identity in the three-toed Italian skink Chalcides chalcides: a new case of digit identity frame shift
    Rebecca L Young
    Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520, USA
    Evol Dev 11:647-58. 2009
  5. doi request reprint Frame-shifts of digit identity in bird evolution and Cyclopamine-treated wings
    Alexander O Vargas
    Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520 8106, USA
    Evol Dev 11:163-9. 2009
  6. ncbi request reprint The digits of the wing of birds are 1, 2, and 3. A review
    Alexander O Vargas
    Programa de Anatomía y Biología del Desarrollo, Facultad de Medicina, Universidad de Chile, Independencia 1027, Casilla 70 079 Santiago 7, Santiago, Chile
    J Exp Zool B Mol Dev Evol 304:206-19. 2005
  7. ncbi request reprint Birds have dinosaur wings: The molecular evidence
    Alexander O Vargas
    Programa de Morfología, Facultad de Medicina, Universidad de Chile, Independencia 1027, Casilla 70 079 Santiago 7, Santiago, Chile
    J Exp Zool B Mol Dev Evol 304:86-90. 2005
  8. pmc On the nature of thumbs
    Gunter P Wagner
    Department of Ecology and Evolutionary Biology, Yale University, Prospect Street, New Haven, CT 06520 8106, USA
    Genome Biol 9:213. 2008
  9. ncbi request reprint How ancient is the adult swimming capacity in the lineage leading to Euchordates?
    Alexander O Vargas
    Departamento de Anatomía y Biología del Desarrollo, Facultad de Medicina, Universidad de Chile, Independencia 1027, Casilla 70 079 Santiago 7, Santiago, Chile
    Evol Dev 7:171-4. 2005

Collaborators

Detail Information

Publications9

  1. pmc Cortical cytasters: a highly conserved developmental trait of Bilateria with similarities to Ctenophora
    Miguel Salinas-Saavedra
    Laboratory of Ontogeny and Phylogeny, Department of Biology, Faculty of Science, University of Chile, Las Palmeras, Nunoa, Casilla 653, Santiago, Chile
    Evodevo 2:23. 2011
    ..abstract:..
  2. pmc The evolution of HoxD-11 expression in the bird wing: insights from Alligator mississippiensis
    Alexander O Vargas
    Department of Ecology and Evolutionary Biology, Yale University, New Haven, Connecticut, USA
    PLoS ONE 3:e3325. 2008
    ..If this is the case, we can expect closer relatives of birds to show no HoxD-11 expression only in digit 1. To test this prediction we investigate HoxD-11 expression in crocodilians, the closest living relatives of birds...
  3. doi request reprint Did Paul Kammerer discover epigenetic inheritance? A modern look at the controversial midwife toad experiments
    Alexander O Vargas
    Laboratory of Ontogeny and Phylogeny, Department of Biology, Faculty of Science, University of Chile, Las Palmeras, Nunoa, Casilla, Santiago, Chile
    J Exp Zool B Mol Dev Evol 312:667-78. 2009
    ..Given available molecular tools and our current understanding of epigenetics, new experimentation with the midwife toad is strongly encouraged...
  4. doi request reprint Evolution of digit identity in the three-toed Italian skink Chalcides chalcides: a new case of digit identity frame shift
    Rebecca L Young
    Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520, USA
    Evol Dev 11:647-58. 2009
    ..This result suggests that changes in of digit identity might be a more frequent consequence of digit reduction than previously assumed...
  5. doi request reprint Frame-shifts of digit identity in bird evolution and Cyclopamine-treated wings
    Alexander O Vargas
    Department of Ecology and Evolutionary Biology, Yale University, New Haven, CT 06520 8106, USA
    Evol Dev 11:163-9. 2009
    ..The serial shift of digit identity toward posterior confirms a mechanistic possibility that was previously inferred from the evolutionary history of birds...
  6. ncbi request reprint The digits of the wing of birds are 1, 2, and 3. A review
    Alexander O Vargas
    Programa de Anatomía y Biología del Desarrollo, Facultad de Medicina, Universidad de Chile, Independencia 1027, Casilla 70 079 Santiago 7, Santiago, Chile
    J Exp Zool B Mol Dev Evol 304:206-19. 2005
    ....
  7. ncbi request reprint Birds have dinosaur wings: The molecular evidence
    Alexander O Vargas
    Programa de Morfología, Facultad de Medicina, Universidad de Chile, Independencia 1027, Casilla 70 079 Santiago 7, Santiago, Chile
    J Exp Zool B Mol Dev Evol 304:86-90. 2005
    ..Our evidence contradicts the long-standing argument that the development of the wing does not support the hypothesis that birds are living dinosaurs...
  8. pmc On the nature of thumbs
    Gunter P Wagner
    Department of Ecology and Evolutionary Biology, Yale University, Prospect Street, New Haven, CT 06520 8106, USA
    Genome Biol 9:213. 2008
    ..This asymmetric expression correlates with independent morphological evolutionary variation of digit 1...
  9. ncbi request reprint How ancient is the adult swimming capacity in the lineage leading to Euchordates?
    Alexander O Vargas
    Departamento de Anatomía y Biología del Desarrollo, Facultad de Medicina, Universidad de Chile, Independencia 1027, Casilla 70 079 Santiago 7, Santiago, Chile
    Evol Dev 7:171-4. 2005