Polarity in PlantsK. Lindsey John Wiley & Sons, 2004 - 346 pagine The establishment of polarity is a fundamental feature in eukaryotic development. Edited by a prominenet researcher in the field, Polarity in Plants presents an overview of the recent advances in molecular biology that provide insight into how plants use environmental signals to orient themselves and to establish their direction of growth. A timely reference, Polarity in Plants provides an account of current research into the mechanisms by which polarity is generated at the level of the cell, organ and organism in plants, drawing especially on recent work with model organisms. The emphasis is on the use of the techniques of molecular genetics to dissect molecular mechanisms. This is the first volume to bring together the diverse aspects of polarity in plant development. This is a valuable guide for researchers and practitioners working in cell, molecular, and developmental biology, biochemistry, and plant physiology. |
Sommario
Polar cell growth and the cytoskeleton biology | 1 |
12 Role of the cytoskeleton in cell expansion | 2 |
13 Components of the cytoskeleton | 14 |
14 Conclusion | 38 |
Mechanisms of cell polarity establishment and polar auxin transport | 51 |
22 Root hairs | 52 |
23 Rho GTPases | 53 |
24 Specific gene expression in root hair formation | 54 |
610 Conclusions | 183 |
Polarity in roots | 192 |
72 Polarity within primary root tissues is an expression of the actin cytoskeleton and of polar auxin transport | 193 |
73 Establishment of new polarities and new root organs | 205 |
74 Polarity of secondary growth | 221 |
75 Cell polarity and organ growth | 228 |
76 Conclusions | 230 |
Development of the shoot apical meristem | 242 |
25 Does Rop localise secretion at the future bud site? | 56 |
26 PIN proteins and cell polarity | 59 |
Polarity and cell walls | 72 |
32 Cell walls and turgor the physiology of walled cells | 73 |
33 Cell wallplasma membranecytoskeleton continuum in plant cells | 76 |
targeted exocytosis and local endocytosis establish and maintain specialised wall domains | 81 |
35 Cell walls and polarity at the organismal level | 96 |
36 Cell walls as a linker between different levels of polar organisational hierarchy | 101 |
Polarity in single cells root hairs epidermal pavement cells and trichomes | 122 |
42 Root hairs and pollen tubes | 123 |
43 Epidermal pavement cells | 125 |
44 Trichomes | 127 |
45 Molecular analysis of the branching genes likely to be involved in polarity establishment | 130 |
46 Molecular analysis of branching genes likely to be involved in polarity fixation | 131 |
47 Molecular analysis of the genes involved in growth directionality | 133 |
From polarity to pattern early development in fucoid algae | 138 |
translating a unidirectional light signal into spatial information | 139 |
actin and Ca² | 143 |
54 Polarization and the cell cycle | 149 |
positional information and cellcell communication | 151 |
56 Conclusions | 153 |
Polarity in Arabidopsis embryogenesis | 157 |
62 Polarity from an early stage maternal and zygotic polarities | 158 |
63 Cell division planes and cell polarity | 161 |
64 Stages in Arabidopsis embryogenesis | 162 |
65 Zygotic polarity vesicle trafficking in the cellular rush hour | 165 |
66 Epidermis and radial axispolarity | 169 |
67 Embryonic shoot pole pole position for polar activities | 172 |
68 Adaxialabaxial polarity in the cotyledons | 177 |
69 Polarity of the basal embryonic region | 180 |
82 The making of a meristem | 243 |
83 Regulation of KNOX gene expression | 247 |
84 Communications arising between periphery and centre | 248 |
85 Communications along the apicalbasal axis | 250 |
87 Robustness and flexibility of stem cell regulation | 253 |
88 Specificity of the CLVWUS regulator | 254 |
shutting off stem cells in flower development | 256 |
new genes and mutants | 258 |
stability in changing | 259 |
Polar signals in vascular development | 264 |
92 Apicalbasal polarity in vascular regeneration experiments | 265 |
93 Apicalbasal polarity in embryo vascular patterning | 267 |
94 Auxinsignal transduction in embryo vascular patterning | 269 |
95 Vascular patterning in the leaf | 271 |
96 Adaxialabaxial polarity affects vascular bundle organization | 279 |
97 Vascular tissues as sources of positional information | 280 |
98 Future research | 283 |
Establishment of polarity in lateral organs of seed plants | 288 |
102 Early dissection experiments | 290 |
103 Next to the meristem | 292 |
104 In the realm of micro RNAs | 298 |
105 Away from the meristem | 299 |
106 From the leaf back to the meristem | 306 |
107 Phylogenetic perspective | 307 |
Polarity in floral development | 317 |
112 Polarity in inflorescence architecture | 319 |
113 Polarity of flowers | 321 |
114 Polarity of floral organs | 330 |
115 Conclusion | 333 |
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Parole e frasi comuni
abaxial actin actin cytoskeleton actin filaments activity adaxial adaxial-abaxial alleles apical meristem apical-basal Arabidopsis root Arabidopsis thaliana Arp2/3 complex asymmetric axis Baluška Barlow Ca2+ calcium carpels Cell Biol cell division cell expansion cell fate cell polarity cell wall cellular CLV3 cortical cotyledons Curr cytokinesis cytoplasmic cytoskeleton developmental differentiation domain ectopic elongation embryo embryogenesis Emons encodes endocytosis epidermal F-actin floral meristems floral organs flower formation formin function Geldner gene expression genetic GNOM GTPases Hülskamp inhibition initiation interaction Jürgens Ketelaar kinase KNOX gene lateral organs lateral root leaf localisation maize Mathur mechanisms microtubules molecular morphogenesis mutants organisation pathways pattern pectins periclinal phenotype PIN1 Plant Cell Plant Physiol plasma membrane plasmodesmata polar auxin transport pollen tubes primordia primordium profilin protein Protoplasma radial regulation rhizoid role root hair shoot meristem signal specific stem cell tip growth tissues transcription factor trichome vesicle Volkmann YABBY zygote