2 edition of Molecular mechanisms of water transport found in the catalog.
Molecular mechanisms of water transport
|Series||Molecular biology intelligence unit|
|The Physical Object|
|Number of Pages||170|
CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract: Aquaporins (water channels) are membrane proteins which facilitate the transport of water and low molecular weight compounds across biological membranes. The author and collaborators identified barley aquaporins and investigated the level of transcripts in roots, water transport activity, tissue . transport. Together, these works provide a de-tailed understanding of how the nanopores inﬂu-ence the entire transport process. In this article, the combined effects of the nanopores, speciﬁc epoxy–water interactions, and molecular motions are discussed to provide a reasonable molecular description of the moisture-transport mecha-.
Two mechanisms exist for the transport of small-molecular weight material and macromolecules. Primary active transport moves ions across a membrane and creates . Three epithelia are examined as a means of exploring molecular mechanisms of fluid and ion transport. The Malpighian tubules of insects are the site of urine production and can transport a variety of ions and organic compounds. The energy for these processes is generated by a hydrogen ATPase at the apical membrane while a Na+/K+ ATPase energizes the basal surface.
Water Stress and Crop Plants: A Sustainable Approach presents an up-to-date in-depth coverage of drought and flooding stress in plants, including the types, causes and consequences on plant growth and development. It discusses the physiobiochemical, molecular and omic approaches, and responses of crop plants towards water stress. Reviewed here is the current knowledge of proton transport mechanisms in mammals. The emphasis is on gastric acid secretion and the role of the H+, K+-ATPase, but molecular and cellular information on other P-, V- and F-type H+-ATPases, in bone, kidney, plants and yeast, as well as other cation ATPases, are included for important comparisons. The role of proton/anion antiports, symports and.
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Molecular Mechanisms of Water Transport (Molecular Biology Intelligence Unit) Hardcover – February 1, by Thomas Zeuthen (Author) › Visit Amazon's Thomas Zeuthen Page. Find all the books, read about the author, and more. See search results for this author. Are you an author. Cited by: The physical chemistry, the molecular biology, and the transport physiology of water are not well developed or integrated.
The editors aim to present the state of the art in these disciplines and to bridge the gaps between them by seeking to understand the behavior of water to. A review of how water crosses cellular membranes. This work describes molecular mechanisms of water transport and combines these into a model for cellular water homeostasis.
The state of water in proteins is related directly to the transport of water in and out of cells. Molecular Mechanisms of Water Transport Across Biological Membranes. Thomas Zeuthen, Wilfred D. Stein. VolumePages () Conransporters as molecular water pumps.
Thomas Zeuthen, Nanna MacAulay. Pages Download PDF. Molecular mechanisms of water transport in the eye. Steffen Hamann. Pages Download PDF. Molecular Mechanisms of Water and Solute Transport across Archaebacterial Lipid Membranes* Both the macrocyclic archaeol and caldarchaeol lipids reduced the water, ammonia, urea, and glycerol permeability of liposomes significantly (6–fold) compared with diphytanylphosphatidylcholine liposomes.
but the molecular mechanisms of its. Water transport across cell membranes occurs by diffusion and osmosis. The effective osmolality of a biological fluid is determined by the total solute concentrations and the solutes’ permeabilities, relative to by: 3.
The Molecular Mechanisms of Membrane Transport and the Maintenance of Compartmental Diversity Transport processes mediate a continual exchange of components between the ten or more chemically distinct, membrane -enclosed compartments that collectively comprise the biosynthetic-secretory and endocytic by: 2.
The bilayered ciliary epithelium secretes the aqueous humor into the posterior chamber, and the retinal pigment epithelium transports water from the retinal to the choroidal site.
For each epithelium, ion transport mechanisms are associated with fluid transport, but the exact molecular coupling sites between ion and water transport remain by: Attention is further being paid to understand the molecular mechanisms of various transport processes taking place across cells, which are mediated by the large variety of transport proteins, and also about the intracellular distribution of proteins required for maintaining the required ionic balance.
As the water molecule approaches the Author: Satish C Bhatla. This chapter focuses on the movement of water directly through bilayers of phospholipids. Pure phospholipid bilayers go through as many as four states as the Back to book. chapter 6. 14 Pages. A Molecular Mechanism for the Transport of Water Across Phospholipid Bilayers.
With Thomas H. Haines, Larry S. Liebovitch. Uehlein N. () Molecular Mechanism of Water and Gas Transport Across Biological Membranes and Consequences for Plant Physiology. In: Lüttge U., Beyschlag W., Büdel B., Francis D. (eds) Progress in Botany Progress in Botany (Genetics - Physiology - Systematics - Ecology), vol Springer, Berlin, Heidelberg.
First Online 26 September Author: Norbert Uehlein. Molecular mechanisms of water transport in the eye. Hamann S(1). Author information: (1)Department of Medical Physiology, The Panum Institute, University of Copenhagen, Denmark. The four major sites for ocular water transport, the corneal epithelium and endothelium, the ciliary epithelium, and the retinal pigment epithelium, are by: Transport of ionic solutions through graphene oxide (GO) membranes is a complicated issue because the complex and tortuous structure inside makes it very hard to clarify.
Using molecular dynamics (MD) simulations, we investigated the mechanism of water transport and ion movement across multilayer GO. The significant flow rate is considerably influenced by the structural parameters of GO by: Class XI NCERT Biology Text Book Chapter 11 Transport in Plants is given below.
Have you ever wondered how water reaches the top of tall trees, or for thatmatter how and why substances move from one cell to the other, whetherall substances move in a similar way, in the same direction and whethermetabolic energy is required for moving substances.
This book presents the molecular-based mechanisms of photosynthetic water oxidation and relevant proton-coupled electron transfer reaction, drawing on an approach combining Fourier transform infrared difference spectroscopy and quantum chemical calculations to do : Springer Singapore. Molecular dynamics simulations were carried out to investigate the effects of confinement and of the presence of the mineral surface on the diffusion of water and electrolyte ions in nanosized mineral fractures.
Feldspar was used as a representative mineral because recent studies found that it is an important mineral that hosts contaminants within its intragrain fractures at the U.S Cited by: Sun, Jiaqi, and Zhang, XinRong.
"Molecular Mechanism of Water Transport Through Cellulose Cell Wall Matrix." Proceedings of the ASME 6th International Conference on Micro/Nanoscale Heat and Mass Transfer. ASME 6th International Conference on Micro/Nanoscale Heat and Mass Transfer.
Dalian, China. July 8–10, VT11A ASME. Isosmotic transport of fluid across epithelial cell layers occurs by intraepithelial mechanisms that are not fully understood. Newer methods of measuring water flows across epithelia with higher resolution should now permit some key issues regarding solute‐linked water transport to be by: The major mechanism by which water (along with dissolved materials) is carried upward through the xylem is called TATC (Transpiration-Adhesion-Tension-Cohesion).
It should be noted that TATC, while supported by most scientists, is speculated but not proven to be at work in very tall trees. However, the incomplete knowledge of the molecular mechanisms responsible for the maintenance of cerebral water transport and their regulation currently prevents the research field from gaining a full understanding of this intricate and crucial (patho)physiological issue.
Putative differences in mechanisms of water regulation retained by plant versus animal cells become inconsequential in the light of the numerous similarities: dependence upon bioelectric potentials maintained across cell membranes, energy dependence of uphill water movement, and solute coupling during water Edition: 1.The Molecular Basis of Water Transport in the Brain Article Literature Review (PDF Available) in Nature reviews Neuroscience 4(12) January with Reads How we measure 'reads'.Details of the Cohesion-Tension mechanism are illustrated with the inset panels (A), where tension is generated by the evaporation of water molecules during leaf transpiration (1) and is.