| Description |
1 online resource |
| Contents |
Front Cover; Chordate Origins and Evolution; Chordate Origins and Evolution: The Molecular Evolutionary Road to Vertebrates; Copyright; Contents; Preface; 1 -- Deuterostomes and Chordates ; 1.1 A BRIEF BACKGROUND; 1.2 DEUTEROSTOMES AND CHORDATES; 1.2.1 Deuterostomes; 1.2.2 Ambulacraria; 1.2.3 Chordates; 1.2.4 Olfactores; 1.3 DEUTEROSTOME PHYLA; 1.3.1 Echinoderms; 1.3.2 Hemichordates; 1.3.3 Cephalochordates; 1.3.4 Urochordates (Tunicates); 1.3.5 Vertebrates; 1.4 CONCLUSIONS; 2 -- Hypotheses on Chordate Origins ; 2.1 THE ANNELID THEORY; 2.2 THE AURICULARIA HYPOTHESIS |
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2.3 THE CALCICHORDATE HYPOTHESIS2.4 THE PEDOMORPHOSIS SCENARIO: WAS THE ANCESTOR SESSILE OR FREE-LIVING?; 2.5 THE NEW INVERSION HYPOTHESIS; 2.6 THE ENTEROPNEUST HYPOTHESIS; 2.6.1 A New Enteropneust Hypothesis; 2.7 THE ABORAL-DORSALIZATION HYPOTHESIS; 2.8 CONCLUSIONS; 3 -- Fossil Records ; 3.1 THE CAMBRIAN AND EDIACARAN PERIODS; 3.2 CROWN, STEM, AND TOTAL GROUPS; 3.3 FOSSIL RECORDS OF INVERTEBRATE DEUTEROSTOMES; 3.3.1 Echinoderms; 3.3.2 Hemichordates; 3.3.3 Cephalochordates; 3.3.4 Urochordates (Tunicates); 3.4 FOSSIL RECORDS OF VERTEBRATES; 3.4.1 Cyclostome-Like Fossils |
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3.4.2 Early Vertebrate Fossils3.4.3 Conodont Elements; 3.5 CONCLUSIONS; 4 -- Molecular Phylogeny ; 4.1 MOLECULAR PHYLOGENY OF METAZOANS; 4.2 MOLECULAR PHYLOGENY OF DEUTEROSTOME TAXA; 4.2.1 Ambulacraria and Chordata: Two Major Groups of Deuterostomes; 4.2.2 Cephalochordates Came First Among Chordates and Then Urochordates + Vertebrates as Olfactores; 4.2.3 Timing of the Emergence of Deuterostome Groups; 4.3 RELATIONSHIPS WITHIN EACH DEUTEROSTOME PHYLUM; 4.3.1 Echinoderms; 4.3.2 Hemichordates; 4.3.3 Cephalochordates; 4.3.4 Urochordates (Tunicates); 4.3.5 Vertebrates; 4.4 XENACOELOMORPHA |
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4.5 MICRORNAS4.6 CONCLUSIONS; 5 -- Comparative Genomics of Deuterostomes ; 5.1 GENOME DECODING; 5.2 GENOMIC FEATURES OF FIVE REPRESENTATIVE DEUTEROSTOME TAXA; 5.2.1 Echinoderm Genomes; 5.2.2 Hemichordate Genomes; 5.2.3 Cephalochordate Genome; 5.2.4 Urochordate Genomes; 5.2.4.1 Ciona intestinalis; 5.2.4.2 Oikopleura dioica; 5.2.5 Vertebrate Genomes; 5.2.5.1 Lampreys; 5.2.5.2 Elephant Shark; 5.2.5.3 Fish; 5.3 GENE FAMILIES IN DEUTEROSTOMES AND THE ANCESTRAL GENE SET; 5.3.1 Gene Families in Deuterostomes; 5.3.2 Expansion of Gene Families in Deuterostomes; 5.4 EXON-INTRON STRUCTURES; 5.5 SYNTENY |
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5.5.1 Macrosynteny5.5.2 Microsynteny; 5.6 CONSERVED NONCODING SEQUENCES; 5.7 REPETITIVE ELEMENTS; 5.8 TAXONOMICALLY RESTRICTED GENES; 5.9 CONCLUSIONS; 6 -- The Origins of Chordates ; 6.1 EVALUATION OF HYPOTHESES FOR CHORDATE ORIGINS; 6.1.1 How Do We Interpret Deuterostome Evolution?; 6.1.2 The Chordate Ancestor Was Free-Living; 6.1.3 The Auricularia Hypothesis Is Not Supported; 6.1.4 The Calcichordate Hypothesis Cannot Be Accepted; 6.1.5 The Annelid Hypothesis Is Not Related to the Origins of Chordates; 6.1.6 The Enteropneust Hypothesis and Inversion Hypothesis Need Reconsideration |
| Bibliography |
Includes bibliographical references and index |
| Notes |
Online resource; title from PDF title page (EBSCO, viewed August 23, 2016) |
| Subject |
Chordata -- Evolution
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SCIENCE -- Life Sciences -- Zoology -- General.
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Chordata -- Evolution
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| Form |
Electronic book
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| Author |
Satoh, Noriyuki.
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| ISBN |
9780128030066 |
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0128030062 |
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