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Record Nr. |
UNINA9910456402603321 |
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Autore |
Doebeli Michael <1961-> |
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Titolo |
Adaptive diversification [[electronic resource] /] / Michael Doebeli |
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Pubbl/distr/stampa |
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Princeton, N.J., : Princeton University Press, 2011 |
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ISBN |
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1-283-15248-7 |
9786613152480 |
1-4008-3893-2 |
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Edizione |
[Course Book] |
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Descrizione fisica |
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1 online resource (346 p.) |
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Collana |
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Monographs in population biology ; ; 48 |
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Disciplina |
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Soggetti |
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Adaptation (Biology) - Mathematical models |
Biodiversity - Mathematical models |
Evolution (Biology) - Mathematical models |
Electronic books. |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Front matter -- Contents -- Acknowledgments -- CHAPTER ONE. Introduction -- CHAPTER TWO. Evolutionary Branching in a Classical Model for Sympatric Speciation -- CHAPTER THREE. Adaptive Diversification Due to Resource Competition in Asexual Models -- CHAPTER FOUR. Adaptive Diversification Due to Resource Competition in Sexual Models -- CHAPTER FIVE. Adaptive Diversification Due to Predator-Prey Interactions -- CHAPTER SIX. Adaptive Diversification Due to Cooperative Interactions -- CHAPTER SEVEN. More Examples: Adaptive Diversification in Dispersal Rates, the Evolution of Anisogamy, and the Evolution of Trophic Preference -- CHAPTER EIGHT. Cultural Evolution: Adaptive Diversification in Language and Religion -- CHAPTER NINE. Adaptive Diversification and Speciation as Pattern Formation in Partial Differential Equation Models -- CHAPTER TEN. Experimental Evolution of Adaptive Diversification in Microbes -- APPENDIX. Basic Concepts in Adaptive Dynamics -- Bibliography -- Index |
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Sommario/riassunto |
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"Understanding the mechanisms driving biological diversity remains a central problem in ecology and evolutionary biology. Traditional explanations assume that differences in selection pressures lead to |
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different adaptations in geographically separated locations. This book takes a different approach and explores adaptive diversification--diversification rooted in ecological interactions and frequency-dependent selection. In any ecosystem, birth and death rates of individuals are affected by interactions with other individuals. What is an advantageous phenotype therefore depends on the phenotype of other individuals, and it may often be best to be ecologically different from the majority phenotype. Such rare-type advantage is a hallmark of frequency-dependent selection and opens the scope for processes of diversification that require ecological contact rather than geographical isolation. Michael Doebeli investigates adaptive diversification using the mathematical framework of adaptive dynamics. Evolutionary branching is a paradigmatic feature of adaptive dynamics that serves as a basic metaphor for adaptive diversification, and Doebeli explores the scope of evolutionary branching in many different ecological scenarios, including models of coevolution, cooperation, and cultural evolution. He also uses alternative modeling approaches. Stochastic, individual-based models are particularly useful for studying adaptive speciation in sexual populations, and partial differential equation models confirm the pervasiveness of adaptive diversification. Showing that frequency-dependent interactions are an important driver of biological diversity, Adaptive Diversification provides a comprehensive theoretical treatment of adaptive diversification"-- |
"Adaptive biological diversification occurs when frequency-dependent selection generates advantages for rare phenotypes and induces a split of an ancestral lineage into multiple descendant lineages. Using adaptive dynamics theory, individual-based simulations, and partial differential equation models, this book illustrates that adaptive diversification due to frequency-dependent ecological interaction is a theoretically ubiquitous phenomenon"-- |
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2. |
Record Nr. |
UNINA9910831050903321 |
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Titolo |
Development of the cardiac conduction system [[electronic resource]] |
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Pubbl/distr/stampa |
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Chichester, UK ; ; Hoboken, NJ, : J. Wiley, 2003 |
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ISBN |
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1-280-27213-9 |
9786610272136 |
0-470-66781-8 |
0-470-86803-1 |
0-470-86806-6 |
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Descrizione fisica |
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1 online resource (301 p.) |
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Collana |
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Novartis Foundation symposium ; ; 250 |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Heart conduction system |
Heart - Growth |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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"Symposium on Development of the Cardiac Conduction System, held at the Novartis Foundation, London, May 21-23, 2002"--P. v. |
Includes bibliographical references and index. |
"Editors, Derek J. Chadwick (organizer) and Jamie Goode"--Contents p. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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DEVELOPMENT OF THE CARDIAC CONDUCTION SYSTEM; Contents; Participants; Chair's introduction; The morphology of the cardiac conduction system; Discussion; Development of the cardiac conduction system: a matter of chamber development; Discussion; Mouse models for cardiac conduction system development; Discussion; Developmental transitions in cardiac conduction; Discussion; Gap junctional connexins in developing mouse cardiac conduction system; Discussion; His-Purkinje lineages and development; Discussion; The role of neural crest and epicardium-derived cells in conduction system formation |
DiscussionInduction and patterning of the Purkinje fibre network; Discussion; The oldest, toughest cells in the heart; Discussion; Transcriptional regulation in the mouse atrioventricular conduction system; Discussion; Patterning of the mouse conduction system; Discussion; Clinical pathology of the cardiac conduction system; |
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Discussion; Cardiac conduction and arrhythmia: insights from Nkx2.5 mutations in mouse and humans; Discussion; The genetic origin of atrioventricular conduction disturbance in humans; Discussion |
Defects in cardiac conduction system lineages and malignant arrhythmias: developmental pathways and diseaseDiscussion; Final general discussion; Index of contributors; Subject index |
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Sommario/riassunto |
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The pacemaking and conduction system (PCS) is vital for generating and synchronizing the heart beat. Dysfunction of this system can be a direct cause of cardiac conduction disturbance, arrhythmias and sudden cardiac death. A wealth of information has been collected over many years on the unique histological, morphological and phenotypic characteristics of specialized cardiac tissues. The cellular and molecular mechanisms that govern development of the PCS are now starting to be understood. This book draws together contributions from an international and interdisciplinary group of experts w |
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