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Seed development, dormancy and germination / edited by Kent J. Bradford and Hiroyuki Nonogaki. — Oxford ; Ames, Iowa : Blackwell Pub., 2007. – (58.84395/S451) |
Contents
Contents
List of Contributors
Preface
1 Genetic control of seed development and seed mass
1.1 Introduction
1.2 Overview of seed development in angiosperms
1.3 Genetic control of embryo development
1.4 Genetic control of endosperm development
1.5 Genetic aspects of testa development
1.6 Control of seed mass
1.7 Perspective
2 Seed coat development and dormancy
2.1 Introduction
2.2 Development and anatomy of the seed coat
2.3 Role of the seed coat in seed dormancy and germination
2.4 Link between seed coat-imposed dormancy and longevity
2.5 Concluding remarks
References
3 Definitions and hypotheses of seed dormancy
3.1 Introduction
3.2 Classifications of dormancy
3.3 Definitions of dormancy
3.4 Primary dormancy
3.5 Secondary dormancy
3.6 Signaling in dormancy
3.7 Challenges for the future
References
4 Modeling of seed dormancy
4.1 Introduction
4.2 Types and phenology of seed dormancy
4.3 Environmental control of dormancy
4.4 Approaches to modeling seed dormancy
4.5 Examples of seed dormancy models
4.6 Population-based threshold models of seed dormancy
4.7 Conclusions and future directions References
5 Genetic aspects of seed dormancy
5.1 Introduction
5.2 Mutant approaches in Arabidopsis
5.3 Mutant approaches in other species
5.4 Genetic analyses of natural variation
5.5 What do the genetics teach us about dormancy and germination?
References
6 Lipid metabolism in seed dormancy
6.1 Introduction
6.2 Metabolic pathways for TAG breakdown and conversion to sucrose
6.3 Lipid metabolism and seed dormancy
6.4 Mechanisms for the involvement of/%oxidation in dormancy release
6.5 Conclusions
References
7 Nitric oxide in seed dormancy and germination
7.1 Nitric oxide in plant growth and development
7.2 Challenges in NO chemistry and biology
7.3 Tools used in NO research
7.4 Roles of NO and other N-containing compounds in seed dormancy and germination
7.5 Biochemical and molecular basis of NO action in seeds
7.6 Interactions between NO and phytochrome or ABA
7.7 Ecological significance of NO
7.8 Unresolved questions and concluding remarks
References
8 A merging of paths: abscisic acid and hormonal cross-talk in the control of seed dormancy maintenance and alleviation
8.1 Introduction
8.2 Abscisic acid
8.3 Gibberellin
8.4 Light interactions
8.5 Ethylene
8.6 Auxin and cytokinin
8.7 Brassinosteroids
8.8 G-protein signaling reveals integration of GA， BR， ABA， and sugar responses
8.9 Profiling of hormone metabolic pathways in Arabidopsis mutants reveals cross-talk
8.10 Summary and future directions
References
9 Regulation of ABA and GA levels during seed development and germination in Arabidopsis
9.1 Introduction
9.2 Biosynthetic and deactivation pathways of ABA and GA
9.3 Inhibitors of ABA and GA metabolism: efficacy and side effects of drugs
9.4 Regulation of ABA and GA levels in Arabidopsis seeds
9.5 Conclusions and perspectives References
10 DE-repression of seed germination by GA signaling
10.1 Introduction
10.2 Control of germination by GA signaling
10.3 The role of the ubiquitin-proteasome pathway in GA signaling
10.4 Is RGL2 a 'master regulator' of seed germination?
10.5 Sleepy1 is a positive regulator of seed germination in Arabidopsis
10.6 Do DELLA proteins have a conserved role in seed germination?
10.7 Future directions
References
11 Mechanisms and genes involved in germination sensu stricto
11.1 Introduction
11.2 Imbibition and water relations of seed germination
11.3 Testa/endosperm restraint and embryo growth potential
11.4 Approaches to identify additional genes involved in germination
12 Sugar and abscisic acid regulation of germination and transition to seedling growth
12.1 Introduction
12.2 ABA signaling during germination and early seedling growth
12.3 Sugar signaling represses germination and the transition to vegetative growth
12.4 Conclusions
References
Index
