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Root Hairs
Root hairs are tip-growing cells that originate from epidennal cells called trichoblasts. Their role may be simply thought of as extending the surface area of the root to facilitate absorption of nutrients and water. However, as you will see in this book, the root hair is far more than that. To an increasingly larger number of plant biologists, the root hair is a model cell. It grows in much the same way as a pollen tube, by sending vast numbers of vesicles containing cell wall precursors to a rounded apical dome, the tip. Once the trichoblast becomes committed to root hair fonnation, it no longer divides. The root hair cell has a migrating nucleus and a complex cytoskeleton. It has a varied...
The Plant Cytoskeleton in Cell Differentiation and Development
Table of Contents List of contributors Preface Pt. 1 The cytoskeleton: the machinery and key molecules 1 1 Microtubules and microtubule-associated proteins 3 2 Actin and actin-modulating proteins 32 Pt. 2 Fundamental cytoskeletal activities 81 3 Expanding beyond the great divide: the cytoskeleton and axial growth 83 4 Re-staging plant mitosis 116 5 Organelle movements: transport and positioning 148 6 The cell wall: a sensory panel for signal transduction 176 Pt. 3 The cytoskeleton and plant cell morphogenesis 205 7 Development of root hairs 207 8 Signaling the cytoskeleton in pollen tube germination and growth 240 9 Cytoskeletal requirements during Arabidopsis trichome development 265 10 Signaling and the cytoskeleton in guard cells 290 Index 318.
Polarity in Plants
The establishment of polarity is a fundamental feature in eukaryotic development. 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.
Annual Plant Reviews, Polarity in Plants
Annual Plant Reviews, Volume 12 A fundamental feature of developmental biology is that of theestablishment of polarity. It can be described at different levels- polarity of the organism, polarity in tissue patterning and organdevelopment, and polarity of the cell. This volume provides an account of current research into themechanisms by which polarity is generated at the level of the cell,organ and organism in plants, drawing especially on recent workwith model organisms.The emphasis is on the use of the techniquesof molecular genetics to dissect molecular mechanisms. This is the first volume to bring together the diverse aspects ofpolarity in plant development. It is directed at researchers andprofessionals in plant developmental biology, cell biology andmolecular biology. Visit www.blackwellplantsci.com the plant science site fromBlackwell Publishing.
Cell Biology of Plant and Fungal Tip Growth
Tip growth is a type of cellular growth that is represented in many and diverse cell types, which are important to plant breeding (pollen tubes), agriculture (root hairs) and plant and animal pathology (fungal hyphae). Also moss and fern protonemata as well as algal zygotes and yeasts exhibit the features unique for tip growth: directable apical linear growth which renders the cell able to penetrate its growth environment. In this volume various cell biological aspects of this particular growth phenomenon are discussed, such as the initiation and maintenance of an anisotropically growing cell, the function of cytoskeletal elements, extracellular matrix and turgor, the regulation of ion homeostasis, the mechanism of signalling events, and the interaction of the cell with the environment.
Life in Science
This book is a collection of stories, reflections and advice written by proficient scientists. They address the question of what doing science means to them, and describe attitudes and working practices that have proved effective and rewarding. The book is aimed in particular at young people who are attracted by science or already undertaking undergraduate studies, and who are considering making science their long-term profession. It will also be helpful and revealing to early-career scientists who are searching for their own best route to success. The book serves as a platform for experienced scientists to describe their original inclination, how that subjective disposition found its expres...
Model Organisms in Plant Genetics
Model plants are required for research when targeted plant species are difficult to study or when research material is unavailable. Importantly, knowledge gained from model plants can be generally translated to other related plant species because many key cellular and molecular processes are conserved and regulated by ‘blueprint’ genes inherited from a common ancestor. Model Organisms in Plant Genetics addresses characteristics of model plants such as Arabidopsis, moss, soybean, maize, and cotton, highlighting their advantages and limitations as well as their importance in studies of plant development, plant genome polyploidization, adaptive selection, evolution, and domestication, as well as their importance in crop improvement.
Annual Plant Reviews, The Plant Cytoskeleton in Cell Differentiation and Development
Annual Plant Reviews, Volume 10 The cytoskeleton is a dynamic filamentous structure composed of at least actin and microtubule networks. Actin and microtubules are no different structurally from their animal and fungal counterparts. However, the strategies of cell differentiation and development in plants require this network to respond appropriately to plant-specific developmental cues and to environmental factors. This book views the cytoskeleton from different perspectives but, on the whole, as a network composed of structural and regulatory proteins controlled by internal and external stimuli that result in different aspects of cell differentiation. This is a volume for researchers and professionals in plant biochemistry, cell biology and genetics.
