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| Contributors | |
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| Preface | |
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| Glossary | |
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| Putting Physcomitrella patens on the Tree of Life: The Evolution and Ecology of Mosses | |
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| Introduction to Physcomitrella | |
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| The position of P. patens on the tree of life | |
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| Relationships within the mosses | |
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| Evolution and ecology of the mosses | |
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| General implications for evolutionary processes in mosses | |
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| The Genetic Basis of Natural Variation in Bryophyte Model Systems | |
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| Introduction | |
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| Genetic variation among bryophyte populations | |
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| Mapping genes underlying natural variants | |
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| Assigning genes to phenotypes | |
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| Comparative Genomics | |
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| Introduction | |
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| A short history of P. patens genomics | |
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| Features of the P. patens nuclear genome | |
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| Comparisons with seed plants and algae | |
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| Computational resources for P. patens | |
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| Conclusions and outlook | |
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| Gene Targeting | |
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| Introduction | |
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| Gene targeting in eukaryotes | |
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| Gene targeting in P. patens: practical aspects | |
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| Targeted gene replacement versus targeted insertion | |
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| Mechanisms of gene targeting | |
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| Unanswered questions and future prospects | |
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| The Small RNAs of Physcomitrella patens: Expression, Function and Evolution | |
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| Introduction to small RNAs | |
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| Classes of small silencing RNAs | |
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| Expression of P. patens small RNAs | |
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| Biogenesis of P. patens small RNAs: Dicers, Slicers and other utensils | |
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| Targets of P. patens small RNAs | |
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| Evolution of plant miRNAs | |
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| Conclusions | |
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| Tip Growth in the Moss Physcomitrella patens | |
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| Introduction | |
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| Morphology and structure of a tip cell | |
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| Environmental signals affecting polar cell elongation | |
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| Cellular structural components involved in polar cell elongation | |
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| Gametangia Development in the Moss Physcomitrella patens | |
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| Introduction | |
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| Development of the gametangia | |
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| Development of the gametangia after fertilization is accompanied by growth of the sporophyte | |
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| Gene-trap lines with GUS expression in the gametangia | |
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| Future prospects | |
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| Chloroplasts | |
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| Chloroplasts of Physcomitrella patens | |
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| Plastid DNA | |
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| Transcription of plastid genes by two plastid RNA polymerases PEP and NEP | |
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| Rhythmic expression of the plastid PSBD gene | |
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| Post-transcriptional regulation in plastids | |
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| Plastid transformation | |
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| Chloroplast import | |
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| Plastid division | |
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| Chloroplast movement | |
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| Carbon and Energy Metabolism | |
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| Introduction | |
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| Carbon and energy allocation | |
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| Sucrose metabolism and transport | |
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| Hexose metabolism and transport | |
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| Energy homeostasis and Snf1-related kinases | |
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| Conclusions | |
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| Technical note on database searches and tree construction | |
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| Hormonal Regulation of Development by Auxin and Cytokinin in Moss | |
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| Major plant hormone routes are established in bryophytes | |
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| Auxin | |
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| Cytokinin | |
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| Auxin and cytokinin interaction | |
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| Other growth regulating substances | |
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| The Role of Abscisic Acid in Stress Tolerance | |
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| Introduction | |
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| Tolerance of P. patens to abiotic stresses and the effects of ABA | |
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| Physiological and morphological changes during the establishment of tolerance | |
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| Expression of stress-related genes | |
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| Global responses to stress at the transcription level | |
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| The ABA-signalling pathway | |
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| Conclusions | |
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| Pathogenesis in Mosses | |
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| Introduction | |
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| Recent advances in molecular plant pathology | |
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| Experimental advantages of P. patens | |
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| Developing a P. patens pathosystem | |
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| Responses of P. patens to infection | |
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| Selecting P. patens genes for functional studies of disease | |
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| Future directions and opportunities | |
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| Index | |
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| Color plates | |