Journal
ANNUAL REVIEW OF GENOMICS AND HUMAN GENETICS, VOL 15
Volume 15, Issue -, Pages 443-459Publisher
ANNUAL REVIEWS
DOI: 10.1146/annurev-genom-091212-153404
Keywords
head segmentation; vertebrate body plan; recapitulation; hourglass model
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Funding
- Grants-in-Aid for Scientific Research [24770222, 24570243, 22128003] Funding Source: KAKEN
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The basic body plan of vertebrates, as typified by the complex head structure, evolved from the last common ancestor approximately 530 Mya. In this review, we present a brief overview of historical discussions to disentangle the various concepts and arguments regarding the evolutionary development of the vertebrate body plan. We then explain the historical transition of the arguments about the vertebrate body plan from merely epistemological comparative morphology to comparative embryology as a scientific treatment on this topic. Finally, we review the current progress of molecular evidence regarding the basic vertebrate body plan, focusing on the link between the basic vertebrate body plan and the evolutionarily conserved developmental stages (phylotypic stages).
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