3 edition of Membranes and compartmentation in the regulation of plant functions found in the catalog.
Membranes and compartmentation in the regulation of plant functions
Includes bibliographies and index.
|Statement||edited by A.M. Boudet ... [et al.].|
|Series||Annual proceedings of the Phytochemical Society of Europe,, v. 24, 1984, Annual proceedings of the Phytochemical Society of Europe ;, no. 24.|
|Contributions||Boudet, A. M.|
|LC Classifications||QK725 .M46 1984|
|The Physical Object|
|Pagination||xi, 334 p. :|
|Number of Pages||334|
|LC Control Number||86196706|
CHAPTER 8 MEMBRANE STRUCTURE AND Trafﬁc Across Membranes 1.A membrane’s molecular organization results in selective permeability 2. Passive transport is diffusion across a membrane 3. Osmosis is the passive transport of water •As the plant cell looses water, its volume shrinks. •Eventually, the plasma membrane pulls away from. Plastids are the site of major anabolic pathways that provide a variety of biochemical building blocks and energy for the cell. In addition to performing photosynthesis, chloroplasts contain entire biosynthetic pathways (e.g., for de novo synthesis of fatty acids (FAs), amino acids, tocopherols, and carotenoids) and participate in numerous pathways that span Cited by:
The papers in this book, illustating the present status of knowledge related to the vacuolar compartment of fungi and plants, were presented at an Advanced Research Workshop entitled "Plant Vacuoles. Their Importance in Plant Cell Compartmentation and their Applications in Biotechnology" held in Sophia-Antipolis, France, on July , The resulting ion, water, and metabolite fluxes across the vacuolar membrane are crucial to the diverse functions of the vacuole in plant cells, such as cell enlargement and plant growth, signal transduction, protoplasmic homeostasis, and regulation of metabolic pathways (Sze et al., ).
Auxin plays important roles during the entire life span of a plant. This small organic acid influences cell division, cell elongation and cell differentiation, and has great impact on the final shape and function of cells and tissues in all higher plants. Auxin metabolism is not well understood but recent discoveries, reviewed here, have started to shed light on the processes Cited by: Lipid components of biological membranes 5 Membranes are 2D fluids 7 Horizontal and vertical lipid sorting 8 Lipid-lipid interactions promote lateral domain formation 8 Biological membranes are asymmetric 10 Plasma membrane compartmentation – .
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Membranes and compartmentation in the regulation of plant functions. Oxford: Clarendon Press London ; New York: Oxford University Press, © (OCoLC) Material Type: Conference publication: Document Type: Book: All Authors / Contributors: A M Boudet. Eukaryotic cells compartmentalize neutral lipids into organelles called lipid droplets ([LD]s), and while much is known about the role of [LD]s in storing triacylglycerols in seeds, their biogenesis and function in nonseed tissues are poorly understood.
Recently, we identified a class of plant-specific, lipid droplet-associated proteins (LDAPs) that are abundant Cited by: The precursors of the first eucaryotic cells are thought to have been simple organisms that resembled bacteria, which generally have a plasma membrane but no internal membranes.
The plasma membrane in such cells therefore provides all membrane-dependent functions, including the pumping of ions, ATP synthesis, protein secretion, and lipid by: 4. Regulation of Secondary Product and Plant Hormone Metabolism contains the proceedings of the 12th Meeting of the Federation of European Biochemical Societies held in Dresden, Germany in The meeting provided a forum for discussing progress in understanding the regulation of the metabolism of secondary products and plant hormones.
The circulation of ions across biological membranes is a fundamental process of cellular energetics ([Harold, ]). Indeed, ion currents play the key role in energy capture during respiration and photosynthesis.
They mediate the interconversion of chemical, osmotic, and electrical forms ofCited by: Compartmentation in organelles is the key feature of eukaryotic cells and is essential for the appropriate partitioning of metabolism and other biological functions (Sweetlove and Fernie, ).Among other things, compartmentation allows differences in metabolite concentrations, because organelles are surrounded by one or more membranes that act as a Cited by: Membranes not only define the limits of cells but also allow for the subcellular compartmentation of various biochemical functions.
The ability to establish chemical potential gradients across membranes is essential to photosynthesis, the primary means of energy capture in the by: 5. High levels of polyunsaturation are characteristic of all the membranes of plant and animal cells.
For example, the chloroplasts of leaf cells contain about 75–80% polyunsaturated fatty : Peter J Quinn. Heat shock proteins are associated with protection against various abiotic stresses. Here, the isolation of a chrysanthemum cDNA belonging to the HSP70 family is cDNA, designated CgHSP70, encodes a residue polypeptide, of estimated molecular mass kDa and pI A sub-cellular localization assay indicated that the cDNA product is deposited.
The physiological functions of Ca2+ are enabled by its orchestrated transport across cell membranes, mediated by Ca2+ -permeable ion channels, Ca2+. •Some membranes also contain carbohydrate •Composition of lipid, protein and carbohydrate varies from one membrane to another, •Ratio of Lipid to Protein is not fixed in most membranes, •Lipid to Protein ratio in membranes varies widely from todepending on the specific functions of the membrane, 4File Size: KB.
Biochemistry and Function of Vacuolar Adenosine-Triphosphatase in Fungi and Plants. Editors (view affiliations) The H +-Translocating ATPase in Vacuolar Membranes of Neurospora Crassa.
Bowman, B. Bowman. Role of Tonoplast Adenosine-Triphosphatase in the Compartmentation of Solutes in Plant Cells. Front Matter. ACP is a small, acidic protein that functions as a cofactor for at least a dozen enzymes in plant lipid metabolism. The analysis of this relatively simple protein has yielded many important insights into the organization, localization, and regulation of plant fatty acid metabolism.
In biological membranes, lipid composition regulates fluidity and phase transitions. 's of different lipids in real membranes b. mixtures are less vulnerable to environ. effects. Consequences of phase transitions and changing fluidity changes in membrane functionality.
Chloride (Cl−) has traditionally been considered a micronutrient largely excluded by plants due to its ubiquity and abundance in nature, its antagonism with nitrate (NO3−), and its toxicity when accumulated at high concentrations. In recent years, there has been a paradigm shift in this regard since Cl− has gone from being considered a harmful ion, accidentally absorbed through Cited by: 1.
List the major functions of the plasma membrane. Describe the structure and function of the three major types of cell junctions in animal cells (desmosomes, gap junctions, and tight junctions). Describe the structure and function of plasmodesmata cell. A wide range of cellular responses occur when plants are exposed to elevated temperature, including adjustments in the unsaturation level of membrane fatty acids.
Although membrane bound desaturase enzymes mediate these adjustments, it is unknown how they are regulated to achieve these specific membrane compositions. Furthermore, the precise roles Cited by: Biological Membranes: Their Structure and Function (Tertiary Level Biology) Only 1 left in stock - order soon.
to the Second Edition RESEARCH INTO MEMBRANE-ASSOCIATED PHENOMENA HAS EXPANDED VERY greatly in the five years that have elapsed since the first edition of Biological Membranes was by: The cell membrane structure and functions covered in this article should provide basic information associated with this cell organelle.
Read on to know more. Cell membrane is a protective covering that acts as a barrier between the inner and outer environment of a cell (in animals).
In plant cells, the membrane encapsulates the protoplasm. Each of the following is a function of membranes except sites for specific biochemical functions regulation of transport.
cell - cell communication. information. ISBN: X: OCLC Number: Description: xv, pages: illustrations. Contents: Phospholipid synthesis in mammalian cells / Christopher R. McMaster and Trevor R. Jackson --Phospholipid synthesis and dynamics in plant cells / Jean-Jacques Bessoule and Patrick Moreau --Biogenesis and cellular dynamics of glycerophospholipids in the yeast .Membranes: Specialized Functions in Plants M.
Smallwood The Plant Laboratory, Department of Biology, University of York, PO BoxYork YO1 5YW, UK J.P. Knox Centre for Plant Biochemisty and Biotechnology, University of Leeds, Leeds LS2 9JT, UK D.J.
Bowles The Plant Laboratory, Department of Biology, University of York, PO BoxYorkYOl.Foyer, C. H. and Rennenberg, H. Regulation of glutathione synthesis and compartmentation in response to stress.
Abstracts 4th Workshop on Sulfur Metabolism: Sulfur Nutrition and Sulfur Assimilation in Higher Plants, Wengen, April pp.