Chordate Origins And Evolution: The Molecular Evolutionary Road To Vertebrates

Paperback | July 25, 2016

byNoriyuki Satoh

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Chordate Origins and Evolution: The Molecular Evolutionary Road to Vertebrates focuses 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

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Chordate Origins and Evolution: The Molecular Evolutionary Road to Vertebrates focuses 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 indepen...

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...

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Format: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

Chapter 1. Deuterostomes and Chordates

Chapter 2. Hypotheses on Chordate Origins

Chapter 3. Fossil Records

Chapter 4. Molecular Phylogeny

Chapter 5. Comparative Genomics of Deuterostomes

Chapter 6. The Origins of Chordates

Chapter 7. The New Organizers Hypothesis for Chordate Origins

Chapter 8. The Dorsoventral-Axis Inversion Hypothesis: The Embryogenetic Basis for the Appearance of Chordates

Chapter 9. The Enteropneust Hypothesis and Its Interpretation

Chapter 10. Chordate Evolution: An Extension of the New Organizers Hypothesis

Chapter 11. How Did Chordates Originate and Evolve?

Chapter 12. Summary and Perspective