Multicellularity: Origins and Evolution
Karl J. Niklas, Stuart A. Newman
MIT Press, Feb 12, 2016 - Science - 302 pages
Scholars consider the origins and consequences of the evolution of multicellularity, addressing a range of organisms, experimental protocols, theoretical concepts, and philosophical issues.
The evolution of multicellularity raises questions regarding genomic and developmental commonalities and discordances, selective advantages and disadvantages, physical determinants of development, and the origins of morphological novelties. It also represents a change in the definition of individuality, because a new organism emerges from interactions among single cells. This volume considers these and other questions, with contributions that explore the origins and consequences of the evolution of multicellularity, addressing a range of topics, organisms, and experimental protocols.
Each section focuses on selected topics or particular lineages that present a significant insight or challenge. The contributors consider the fossil record of the paleontological circumstances in which animal multicellularity evolved; cooptation, recurrent patterns, modularity, and plausible pathways for multicellular evolution in plants; theoretical approaches to the amoebozoa and fungi (cellular slime molds having long provided a robust model system for exploring the evolution of multicellularity), plants, and animals; genomic toolkits of metazoan multicellularity; and philosophical aspects of the meaning of individuality in light of multicellular evolution.
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1 Fossils Feeding and the Evolution of Complex Multicellularity
2 Alternative Splicing Intrinsically Disordered Proteins Calmodulin and the Evolution of Multicellularity
II PLANTS AND RELATED THEORY
3 The Mechanistic Basis for the Evolution of Soma during the Transition to Multicellularity in the Volvocine Algae
4 Physicochemical Factors in the Organization of Multicellular Aggregates and Plants
The Whole the Parts and the Sum
III AMOEBOZOA FUNGI AND RELATED THEORY
6 Cellular Slime Mold Development as a Paradigm forthe Transition from Unicellular to Multicellular Life
9 What Are the Genomes of Premetazoan Lineages Telling Us about the Origin of Metazoa?
10 Sponges as the Rosetta Stone of ColonialtoMulticellular Transition
Perspective from Multilevel Consistency Dynamics
12 Multicellularity the Emergence of Animal Body Plans and the Stabilizing Role of the Egg
V PHILOSOPHICAL ASPECTS OF MULTICELLULARITY
13 Integrating Constitution and Interaction in the Transition from Unicellular to Multicellular Organisms
Between Evolutionary Dynamics and Developmental Mechanisms