3 edition of Electrogenic ion pumps found in the catalog.
Electrogenic ion pumps
Includes bibliographical references (p. 281-306) and index.
|Series||Distinguished lecture series of the Society of General Physiologists ;, v. 5|
|LC Classifications||QH604.5 .L38 1991|
|The Physical Object|
|Pagination||313 p. :|
|Number of Pages||313|
|LC Control Number||91024382|
Electrogenic pumps result in a cell with a high internal concentration of protons. Electrogenic pumps can pump a large variety of solutes across a membrane against their concentration gradient. Electrogenic pumps result in a cell with an interior that is positively charged relative to the outside of the cell. For this reason, the Na + /K + pump is said to be electrogenic. Because pumps act much more slowly than ion channels, the current produced by the Na + /K + pump is quite small. For example, in the squid axon, the net current generated by the pump is less than 1% of the current flowing through voltage-gated Na + channels and affects the Author: Dale Purves, George J Augustine, David Fitzpatrick, Lawrence C Katz, Anthony-Samuel LaMantia, James.
Ion channels control the flow of ions across secretory and epithelial cells, and consequently help to regulate cell volume by affecting osmotic pressure. Ion channels are essential features of almost all cells, functioning as selective “tunnels” that restrict movement through them to ions with specific characteristics (typically size). I'm reading Medical Physiology by Boron and Boulpaep (a really terrific book). In the chapter Electrophysiology of the Cell Membrane, section Membrane Potential Is Generated by Ion Gradients, Not Directly by Ion Pumps, the text reads. It may seem that the inside negative Vm originates from the continuous pumping of positive charges out of the cell by the electrogenic .
Ion channels, ion pumps and an impermeable membrane allow a membrane potential (see Panel 2 for a discussion of the Nerst equation) Animals have 2 unique types of tissues that depend rapid changes in membrane potential. - Electrogenic ion pumps investigated on a solid supported membrane: comparison of current and voltage measurements SURFE²R ONE (a predecessor model of SURFE²R N1) publication in Langmuir () Authors: Bartolommei G., Moncelli M.R., Rispoli G., Kelety B., Tadini-Buoninsegni F.
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Chapter 6 Transepithelial Potassium Transport in Insect Midgut by an Electrogenic Alkali Metal Ion Pump Michael G. Wolfersberger, William R. Harvey, Moira Cioffi Pages ISBN: X: OCLC Number: Notes: "Augmented proceedings of the Sixth Conference on Membrane Transport Processes, held under the auspices of the Department of Physiology, Yale School of Medicine."--Page xix.
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Electrogenic ion pumps by P. Läuger,Sinauer Associates edition, in English Electrogenic ion pumps ( edition) | Open LibraryPages: Electrogenic Ion Pumps (Distinguished Lecture Series of the Society of General Physiologists, Vol. 5)Cited by: 1. Spanswick RM () Biophysical control of electrogenic pumps in the Characeae.
In: Spanswick RM, Lucas WJ, Dainty J (eds) Plant membrane transport: current conceptual issues. Elsevier/North Holland Biomedical Press, Amsterdam, pp – Google Scholar. ELECTROGENIC ION PUMPS [Plant Cells] [Roger M Spanswick] on *FREE* shipping on qualifying : Roger M Spanswick.
The possibility of a contribution to the plasmalemma potential from electrogenic pumps is briefly ements of the Na and K content of the cytoplasm.
Electrogenic Ion Pumps (Distinguished Lecture Series of the Society of General Physiologists) (Unabridged. Edition) by Peter Lauger Hardcover, Pages, Published ISBN / ISBN / Electrogenic ion pumps convert chemical, reduction-oxidation, or light energy- into ion concentratioBook Edition: Unabridged.
Edition. adshelp[at] The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86ACited by: 3. Proton pump inhibitors block the hydrogen ion pumps in the oxyntic cell. They include omeprazole and lansoprazole (Fig. and Cases and 2).
These powerful drugs block the H + /K + ATPase proton pump, markedly inhibiting both basal and stimulated secretion of gastric acid. Omeprazole is a powerful proton pump inhibitor. Electrogenic ion pumps by Peter Läuger.
pp Sinauer Associates, Sunderland, MA, USA. $ ISBN 0‐‐‐0Author: J L Howland. [Cell Biology] Ion Channels vs Electrogenic Pumps So the question from the book is: Cystic fibrosis is a genetic disease in humans in which the CFTR protein, which functions as a chloride ion channel, is missing or nonfunctional in cell membranes.
Function. Sodium bicarbonate cotransporters (NBCs) mediate the coupled movement of sodium and bicarbonate ions across the plasma membrane of many cells.
This is an electrogenic process with an apparent stoichiometry of 3 bicarbonate ions per sodium ion. Sodium bicarbonate cotransport is involved in bicarbonate secretion/absorption and intracellular pH s: SLC4A4, HNBC1, KNBC, NBC1, NBC2. Electrogenic Ion Pumps; by P.
Lauger, Sinauer Assoc.; Sunderland, MA; ; (Distributed by W.H. Freeman & Co.) xii + pages; E ISBN O. This monograph provides a succinct, precise and up- to-date book are devoted to a series of better-characterized ion pumps. pumps unequal quantities of Na+ and K+ across the membrane, 3Na+ out of and 2 K+ into the cell per pump cycle.
In other words, it generates electricity by producing a. Electrogenic sodium bicarbonate cotransporter 4 is a protein that in humans is encoded by the SLC4A5 gene.
Function. This gene encodes a member of the sodium bicarbonate cotransporter (NBC) family, part of the bicarbonate transporter superfamily. Sodium bicarbonate cotransporters are involved in intracellular pH regulation and electroneural or Aliases: SLC4A5, NBC4, NBCe2, solute.
Na⁺/K⁺-ATPase (sodium–potassium adenosine triphosphatase, also known as the Na⁺/K⁺ pump or sodium–potassium pump) is an enzyme (an electrogenic transmembrane ATPase) found in the membrane of all animal cells.
It performs several functions in cell physiology. The Na + /K +-ATPase enzyme is active (i.e. it uses energy from ATP).For every ATP molecule that the.
Azide, cyanide, and cold temperature (5 C) gave the same partial depolarization as did the toxin. Dodecyl succinic acid caused complete depolarization. These and other data indicate that one of the primary actions of the toxin is to Cited by: The lipid bilayer of biological membranes, as discussed in Chap is intrinsically impermeable to ions and polar molecules.
Permeability is conferred by two classes of membrane proteins, pumps and use a source of free energy such as ATP or light to drive the thermodynamically uphill transport of ions or molecules.
Pump action is an example of active Cited by: 2. Start studying Molecular Biology of The Cell Chapter Learn vocabulary, terms, and more with flashcards, games, and other study tools. Active electrogenic pumps and passive ion diffusion. In what organelle does the membrane potential across the inner membrane is due to the activity of the electrogenic proton pumps?
Proton pumps.Electrogenic Ion Pumps, Peter Läuger. This chapter gives a development of the basic physical chemical basis behind many of the electrogenic ion pumps covered here (Läuger ). This chapter gives a development of the basic physical chemical basis behind many of the electrogenic ion pumps covered here (Läuger ).Cited by: 5.The Physiology of ION Channels and Electrogenic Pumps in Higher Plants Article in Annual Review of Plant Biology 40(1) November with Reads How we measure 'reads'.