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MORE ABOUT THIS BOOK
Main description:
The presence/absence of gene families with central roles in endomembrane and cytoskeleton dynamics in a variety of eukaryotic taxa and an understanding of eukaryote phylogeny allow the cellular machineries present in the last common ancestor of eukaryotes to be accurately reconstructed. Such a reconstruction is fundamental in order to understand eukaryotic diversification, since this is the ancestral cell from which all diversity arose. This book discusses the evolutionary origin and diversification of eukaryotic endomembranes and cytoskeleton from a cell biological and comparative genomic perspective.
Contents:
CONTENTS PREFACE ............................................................................................................ V 1. THE EARLY EUKARYOTIC FOSSIL RECORD ....................................... 1 Emmanuelle J. Javaux Introduction ......................................................................................................................... 1 The Geological Record ........................................................................................................ 2 Dating Biological Innovations .......................................................................................... 10 Conclusions ........................................................................................................................ 15 2. THE DIVERSITY OF EUKARYOTES AND THE ROOT OF THE EUKARYOTIC TREE......................................................... 20 Henner Brinkmann and Herve Philippe Woese's Paradigm .............................................................................................................. 20 Progresses in Tree Reconstruction Methods and in Sequencing: The Promise of Phylogenomics ................................................................................. 21 The Root of the Tree of Life .............................................................................................. 25 'Primitive' Eukaryotes: A Second Major Paradigm Shift ............................................ 26 Current Status of the Eukaryotic Phylogeny .................................................................. 27 Molecular Dating ............................................................................................................... 29 From Simple Organism to Simple Processes .................................................................. 31 3. ORIGIN OF EUKARYOTICENDOMEMBRANES: A CRITICAL EVALUATION OF DIFFERENT MODEL SCENARIOS ............... 38 Gaspar Jekely Introduction ....................................................................................................................... 38 Physico-Chemical Constraints of Membrane Topogenesis ............................................ 39 Symbiotic Scenarios for the Origin of the Nucleus and Endomembranes ................... 40 Origin of Endomembranes by de Novo Vesicle Formation ........................................... 44 Autogenous Scenarios ....................................................................................................... 45 Interspecific Interactions at the Origin of Eukaryotic Endomembranes ...................49 xiv Contents 4. ORIGINS AND EVOLUTION OF COTRANSLATIONAL TRANSPORT TO THE ER................................................................. 52 Thomas U. Schwartz Introduction ....................................................................................................................... 52 Mediators of Cotranslational Transport ......................................................................... 53 The Control of Cotranslational Targeting ....................................................................... 55 Evolutionary Considerations ............................................................................................ 57 5. EVOLUTION OF THE ENDOPLASMIC RETICULUM AND THE GOLGI COMPLEX.......................................................... 61 Alexander A. Mironov, Victor V. Banin, Irina S. Sesorova, Viacheslav V. Dolgikh, Alberto Luini and Galina V. Beznoussenko Introduction ....................................................................................................................... 61 Common and Peculiar Features of the
PRODUCT DETAILS
Publisher: Springer (Springer-Verlag New York Inc.)
Publication date: October, 2010
Pages: 145
Weight: 323g
Availability: Available
Subcategories: Genetics
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