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Cell cycle control and plant development / edited Dirk Inze. — Oxford ;Ames, Iowa : Blackwell Publishing, c2007.—(58.823/C393) |
Contents
Contents
Contributors
Preface
1 The growing family of plant cyclin-dependent kinases with multiple functions in cellular and developmental regulation
1.1 Introduction
1.2 Structural diversity in the family of plant CDKs
1.3 Expression profiles of CDK genes: structures and functions of promoters
1.4 Diverse functions of CDK protein complexes in multiple regulatory mechanisms
1.5 Developmental consequences of altered CDK functions
1.6 Perspectives
2 The plant cyclins
2.1 Introduction
2.2 The plant cyclin family
2.3 Expression of cyclins during the cell cycle
2.4 Cyclins in plant development
2.5 Concluding remarks
3 CDK inhibitors
3.1 Introduction
3.2 Plant CDK inhibitors and sequence uniqueness
3.3 Expression
3.4 Interactions with cell cycle proteins and CDK inhibition
3.5 Protein stability and modifications
3.6 Cellular localization
3.7 CDK inhibitors and plant growth and development
3.8 Cell cycle phase transitions
3.9 Cell cycle exit and endoreduplication
3.10 Concluding remarks
4 The UPS: an engine that drives the cell cycle
4.1 The molecular machinery mediating ubiquitin-dependent proteolysis
4.2 The SCF and APC/C: the two master E3s regulating the cell cycle
4.3 Cell cycle targets of the proteolytic machinery
4.4 Conclusion
5 CDK phosphorylation
5.1 Introduction
5.2 Overview of CAKs in yeasts and vertebrates
5.3 Vertebrate-type CAK in plants
5.4 Plant-specific CAK
5.5 Manipulation of in vivo CDK activities by CAK
5.6 Inhibitory phosphorylation of yeast and vertebrate CDKs
5.7 Inhibitory phosphorylation of plant CDKs
5.8 Conclusion and perspectives
6 E2F-DP transcription factors
6.1 E2F-DP transcription factors: a historical perspective
6.2 Domain organization of E2F-DP proteins
6.3 Transcriptional and post-translational regulation of E2F
6.4 E2F-DP target genes
6.5 Functional relevance of E2F-DP in development
6.6 E2F and epigenetic regulation of gene expression
6.7 Concluding remarks: complexity of E2F-dependent regulation of gene expression
7 Function of the retinoblastoma-related protein in plants
7.1 Introduction
7.2 Retinoblastoma proteins and the tumor suppressor concept
7.3 The retinoblastoma pathway is conserved in animals and plants
7.4 Retinoblastoma proteins form complexes with E2F transcription factors to control entry into the cell cycle
7.5 G1 restriction point control is mediated by retinoblastoma protein phosphorylation
7.6 Animal and plant DNA viruses target retinoblastoma proteins to induce host DNA replication
7.7 Information on retinoblastoma protein function in animal development is still incomplete
7.8 Retinoblastoma proteins may have conserved functions in germline development
7.9 Retinoblastoma proteins connect stem cell maintenance to cell proliferation and differentiation
7.10 Perturbation of RBR during leaf development affects cell proliferation and control of DNA replication
7.11 Roles of retinoblastoma proteins in transcription activation and repression
7.12 Retinoblastoma proteins interact with polycomb group complexes in controlling gene expression
7.13 Conclusion
8 Auxin fuels the cell cycle engine during lateral root initiation
8.1 Introduction
8.2 Cell cycle regulation during lateral root development
8.3 Sternness of the xylem pole associated pericycle
8.4 Auxin signalling during lateral root initiation
8.5 Post-transcriptional feedback mechanisms on auxin signalling
8.6 Polar auxin transport defines lateral root boundaries
8.7 Cytokinins inhibit lateral root development
8.8 Brassinosteroids regulate auxin transport
8.9 Light alters auxin sensitivity
8.10 Conclusions and perspectives
9 Cell cycle control during leaf development
9.1 Introduction
9.2 The cell cycle and cell division during leaf initiation
9.3 The cell cycle and cell division during leaf growth
9.4 The cell cycle and cell division during leaf differentiation
9.5 Conclusions
10 Physiological relevance and molecular control of the endocycle in plants
10.1 Introduction
10.2 Occurrence and physiological role of endoreduplication in nature
10.3 Molecular control of the endocycle
10.4 Environmental and hormonal control of the endocycle
10.5 Outlook
11 Insights into the endocycle from trichome development
11.1 Introduction
11.2 The regulation and cell cycle context of trichome development
11.3 Regulation of endoreduplication during trichome development
11.4 Conclusions and outlook
12 Cell cycle control and fruit development
12.1 Introduction
12.2 Fruit development: a matter of cell number and cell size
12.3 Cell cycle gene expression and fruit development
12.4 Altering the cell cycle towards endoreduplication: a key feature for fruit growth
12.5 Genetic control of fruit size
12.6 Metabolic control of fruit development and growth
12.7 Conclusion
13 Cell cycle and endosperm development
13.1 Introduction
13.2 Endosperm development: a cell cycle perspective
13.3 Genetic control of endosperm cell proliferation
13.4 The cell cycle molecular engine during endosperm development
13.5 Role of CDKA in the endoreduplication cell cycle
13.6 Environmental and hormonal control of the cell cycle
13.7 Epigenetic control
13.8 Perspectives
14 Hormonal regulation of cell cycle progression and its role in development
14.1 Introduction
14.2 Auxin and cytokinin have paramount roles in cell proliferation control
14.3 Growth and cell cycle gene expression induced by auxin and cytokinin
14.4 Does cell cycle progression affect growth?
14.5 Division sustains continuation of growth
14.6 Localized growth
14.7 Hormonal impacts at the G 1/S phase progression
14.8 Hormonal impacts at the G2/M phase progression
14.9 Roots and shoots provide each other with hormones essential for division
14.10 Cytokinin contributions to stem cell and meristem identity at the shoot apex
14.11 Auxin contributions to stem cell and meristem activity at the root apex
14.12 Hormones and the balance of cell proliferation between root and shoot
14.13 Auxin/cytokinin ratio and initiation of cell proliferation in lateral meristems
14.14 Possible mechanisms for cell cycle response to hormone concentration and ratio
14.15 Cell cycle control in the spacing of lateral organs
15 Cell cycle and environmental stresses
15.1 Introduction
15.2 Environmental stresses affect spatial and temporal patterns of cell division rate in plant organs
15.3 Coupling and uncoupling of cell division and tissue expansion in response to environmental conditions
15.4 Environmental stresses cause a blockage at the G1-S and G2-M transitions
15.5 Endoreduplication and abiotic stresses
15.6 Conclusion
Index
The colour plate section appears after page
