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The Origin of Animal Body Plans : A Study in Evolutionary Developmental Biology - Wallace Arthur

The Origin of Animal Body Plans

A Study in Evolutionary Developmental Biology

Hardcover

Published: 13th October 1997
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While neo-Darwinism has considerable explanatory power, it is widely recognized as lacking a component dealing with individual development, or ontogeny. This lack is particularly conspicuous when attempting to explain the evolutionary origin of the thirty-five or so animal body plans, and of the developmental trajectories that generate them. This significant work examines both the origin of body plans in particular and the evolution of animal development in general. Wallace Arthur ranges widely in his treatment, covering topics as diverse as comparative developmental genetics, selection theory, and Vendian/Cambrian fossils. He places particular emphasis on gene duplication, changes in spatio-temporal gene-expression patterns, internal selection, coevolution of interacting genes, and coadaptation. The book will be of particular interest to students and researchers in evolutionary biology, genetics, paleontology, and developmental biology.

'... useful and thought provoking.' Michael K. Richardson, Heredity 'I strongly recommend it to anyone with an interest in where evolutionary biology is going next.' John A. Lee, Biologist '... an interesting and intelligent book.' Anthony Graham, BSDB Newsletter ' ... a readable and enjoyable account of the current state of developmental genetics.' BioEssays

Preface
Acknowledgements
Introduction
A developmental approach to an evolutionary problem
The early history of the animal kingdom
Alternative strategies
Creation versus destruction
Systematics and the concept of natural classification
Micromutation versus macromutation
Developing organisms as inverted cones
What is a Body Plan?
Body plans and taxonomic levels
Body plans, cladograms and homology
Body plans and embryology
Body plans, genes and mutations
Body plans, adaptation and environments
Patterns of Body Plan Origins
Strategy
Patterns of metazoan inter-relationships
Early fossils: from cladograms to trees
Bringing back morphology
Paleoecology and possible adaptive scenarios
Evolutionary Developmental Biology
From pattern to mechanism
The aims of Evolutionary Developmental Biology
A brief history
Is there a theory of development?
Developmental Mechanisms: Cells and Signals
Strategy
Cellular processes and architecture
Short-range signals: cell-cell contacts
Mid-range signals and the nature of 'morphogens'
Long-range signals and pan-organismic co-ordination
Patterns of interconnection: developmental programmes
Developmental Mechanisms: Genes
Introduction
Overview of the genetics of Drosophila body axes
The Antennapedia and Bithorax complexes
The hedgehog gene and limb development
Developmental programmes and an evolutionary message
Comparative Developmental Genetics
From development to evolution
Phylogeny of Hox genes
Dorso-ventral polarity in arthropods and chordates
Limb formation, hedgehog, and the nature of homology
Phylogeny of cadherin genes
Emergent evolutionary messages
Gene Duplication and Mutation
Introduction
The creation of new genes
Mutation: the classical approach
Mutation: a developmental approach
Mutation and the evolution of development
The Spread of Variant Ontogenies in Populations
Introduction
Population genetic models of directional selection
Internal selection
The origin of body plans: a population perspective
Types of genetic change
Drift, drive and directed mutation
Creation Versus Destruction
A fourth 'eternal metaphor'?
Mutationists v. selectionists: a protracted debate
The structure of morphospace
Creation and destruction
Ontogeny and Phylogeny Re-Visited
Mapping the two hierarchies
From two hierarchies to six
An important general pattern
Larval forms and complex life histories
Phenotypic complexity and evolutionary 'explosions'
Prospect: Expanding the Synthesis
Neither boredom nor heresy
Completing the evolutionary circle
The main themes of Evolutionary Developmental Biology
Paths into the future
References
Index
Table of Contents provided by Publisher. All Rights Reserved.

ISBN: 9780521550147
ISBN-10: 0521550149
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 357
Published: 13th October 1997
Publisher: Cambridge University Press
Country of Publication: GB
Dimensions (cm): 25.3 x 17.7  x 1.8
Weight (kg): 0.95