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  • 1
    Nature Publishing Group (NPG)
    Publication Date: 2015-04-24
    Description: It has been more than 30 years since the publication of the new head hypothesis, which proposed that the vertebrate head is an evolutionary novelty resulting from the emergence of neural crest and cranial placodes. Neural crest generates the skull and associated connective tissues, whereas placodes produce sensory organs. However, neither crest nor placodes produce head muscles, which are a crucial component of the complex vertebrate head. We discuss emerging evidence for a surprising link between the evolution of head muscles and chambered hearts - both systems arise from a common pool of mesoderm progenitor cells within the cardiopharyngeal field of vertebrate embryos. We consider the origin of this field in non-vertebrate chordates and its evolution in vertebrates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Diogo, Rui -- Kelly, Robert G -- Christiaen, Lionel -- Levine, Michael -- Ziermann, Janine M -- Molnar, Julia L -- Noden, Drew M -- Tzahor, Eldad -- NS076542/NS/NINDS NIH HHS/ -- R01 NS076542/NS/NINDS NIH HHS/ -- R01GM096032/GM/NIGMS NIH HHS/ -- R01HL108643/HL/NHLBI NIH HHS/ -- England -- Nature. 2015 Apr 23;520(7548):466-73. doi: 10.1038/nature14435.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy, Howard University College of Medicine, Washington DC 20059, USA. ; Aix Marseille Universite, Centre National de la Recherche Scientifique, Institut de Biologie du Developpement de Marseille UMR 7288, 13288 Marseille, France. ; Center for Developmental Genetics, Department of Biology, New York University, New York 10003, USA. ; Department of Molecular and Cell Biology, University of California at Berkeley, California 94720, USA. ; Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA. ; Department of Biological Regulation, Weizmann Institute of Science, Rehovot 76100, Israel.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/25903628" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Biological Evolution ; Branchial Region/anatomy & histology/cytology/*embryology ; Head/*anatomy & histology/*embryology ; Heart/*anatomy & histology/*embryology ; Mesoderm/cytology ; Models, Biological ; Muscles/anatomy & histology/cytology/embryology ; Neural Crest/cytology ; Vertebrates/*anatomy & histology/*embryology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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