Chordate Origins And Evolution: The Molecular Evolutionary Road To Vertebrates by Noriyuki SatohChordate Origins And Evolution: The Molecular Evolutionary Road To Vertebrates by Noriyuki Satoh

Chordate Origins And Evolution: The Molecular Evolutionary Road To Vertebrates

byNoriyuki Satoh

Paperback | July 25, 2016

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Chordate Origins and Evolution: The Molecular Evolutionary Road to Vertebratesfocuses on echinoderms (starfish, sea urchins, and others), hemichordates (acorn worms, etc.), cephalochordates (lancelets), urochordates or tunicates (ascidians, larvaceans and others), and vertebrates. In general, evolution of these groups is discussed independently, on a larger scale: ambulacrarians (echi+hemi) and chordates (cephlo+uro+vert). Until now, discussion of these topics has been somewhat fragmented, and this work provides a unified presentation of the essential information.

In the more than 150 years since Charles Darwin proposed the concept of the origin of species by means of natural selection, which has profoundly affected all fields of biology and medicine, the evolution of animals (metazoans) has been studied, discussed, and debated extensively. Following many decades of classical comparative morphology and embryology, the 1980s marked a turning point in studies of animal evolution, when molecular biological approaches, including molecular phylogeny (MP), molecular evolutionary developmental biology (evo-devo), and comparative genomics (CG), began to be employed. There are at least five key events in metazoan evolution, which include the origins of 1) diploblastic animals, such as cnidarians; 2) triploblastic animals or bilaterians; 3) protostomes and deuterostomes; 4) chordates, among deuterostomes; and 5) vertebrates, among chordates. The last two have received special attention in relation to evolution of human beings.

During the past two decades, great advances have been made in this field, especially in regard to molecular and developmental mechanisms involved in the evolution of chordates. For example, the interpretation of phylogenetic relationships among deuterostomes has drastically changed. In addition, we have now obtained a large quantity of MP, evo-devo, and CG information on the origin and evolution of chordates.



  • Covers the most significant advances in this field to give readers an understanding of the interesting biological issues involved
  • Provides a unified presentation of essential information regarding each phylum and an integrative understanding of molecular mechanisms involved in the origin and evolution of chordates
  • Discusses the evolutionary scenario of chordates based on two major characteristic features of animals namely modes of feeding (energy sources) and reproduction as the two main forces driving animal evolution and benefiting dialogue for future studies of animal evolution
Noriyuki Satoh is a Professor of the Marine Genomics Unit, Okinawa Institute of Science and Technology, Graduate University, Okinawa, Japan. After obtaining a PhD at the University of Tokyo, he carried out research of developmental biology of tunicates at Kyoto University. Satoh and his colleagues have established Ciona intestinalis as...
Developmental Genomics of Ascidians
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Title:Chordate Origins And Evolution: The Molecular Evolutionary Road To VertebratesFormat:PaperbackDimensions:220 pages, 8.75 × 6.35 × 0.68 inPublished:July 25, 2016Publisher:Academic PressLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0128099348

ISBN - 13:9780128099346

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Table of Contents

1. Deuterostomes and Chordates 2. Hypotheses on Chordate Origins 3. Fossil Records 4. Molecular Phylogeny 5. Comparative Genomics of Deuterostomes 6. The Origins of Chordates 7. The New Organizers Hypothesis for Chordate Origins 8. The Dorsoventral-Axis Inversion Hypothesis: The Embryogenetic Basis for the Appearance of Chordates 9. The Enteropneust Hypothesis and Its Interpretation 10. Chordate Evolution: An Extension of the New Organizers Hypothesis 11. How Did Chordates Originate and Evolve? 12. Summary and Perspective