Ion Fluxes
Sperm activating peptides in the regulation of ion fluxes, signal transduction and motility
... Darszon4b pm Sperm activating peptides in the regulation of ion fluxes, signal transduction and motility ALBERTO DARSZON*,1, AD?N GUERRERO1, BLANCA E GALINDO2, TAKUYA NISHIGAKI1 and CHRISTOPHER D WOOD[.] ...
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Branchial and Renal Acid and Ion Fluxes in the Rainbow Trout, Salmo Gairdneri, at Low Environmental pH
... Urinary excretion and net branchial fluxes in the rainbow trout near neutral solutions pH 7-5 for Day o, ncid exposure series; 7 9 for Days 0-4, control series.. excretion Day 0 acid ser[r] ...
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Sodium potassium pump, ion fluxes, and cellular dehydration in sickle cell anemia
... Deoxygenation increased mean corpuscular hemoglobin concentration MCHC by 5.5%, and studies of the density distribution of SS cells indicated an increase in highly dense fractions known [r] ...
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Effects of hyposmotic shock on ion fluxes in isolated trout hepatocytes
... Time course analysis of changes affecting the cellular ionic content indicates that after 20 min incubation in the presence of lmmoll" 1 ouabain, potassium fell to 80 ± 2 % N= 13 of its [r] ...
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The role of ion fluxes in polarized cell growth and morphogenesis: the pollen tube as an experimental paradigm
... Ever since the pioneer studies in the group of Lionel Jaffe established cells as generators of physically well defined electri- cal currents, pollen tubes are known to behave as electrical dipoles, with outward (positive ...
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Ion fluxes in plants related to acid growth
... The distinction between calcium in the DFS and calcium condensed on the weak acids of cell walls, as proposed in the WADM model Richter and Dainty 1990b, Ryan, Newman, Arif 1992 leads to[r] ...
231
New electrochemical methods for visualizing interfacial ion fluxes
... an ion current between the QRCEs for positional control and probe was oscillated (60 nm peak-peak ampli- tude, 280 Hz) normal to the surface generating an alternating current (i AC ) ...
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Electrical Potential Difference and Sodium Ion Fluxes across the Integument of Corophium Volutator (Crustacea; Amphipoda), a Euryhaline Hyperosmotic Regulator
... Two types of experiment were performed: i complete 22 Na washout of an animal in a single type of medium ASW, 85 %ASW or 10 %ASW; ii alternation of experimental media at changes between [r] ...
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Studies on the movement of calcium across the inner Mitochondrial membrane
... CHAPTER 5 PROTONMOTIVE FORCE AND MITOCHONDRIAL CALCIUM TRANSPORT CHAPTER 6 Introduction 80 Results 84 Discussion 93 THE INFLUENCE OF THE PROTON CONCENTRATION ON CALCIUM-ION FLUXES ACROSS[r] ...
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An anion conductance, the essential component of the hydroxyl radical induced ion current in plant roots
... Abstract: Oxidative stress signaling is essential for plant adaptation to hostile environments. Previous studies revealed the essentiality of hydroxyl radicals (HO • )-induced activation of massive K + efflux and a ...
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Mechanisms of aluminium toxicity, tolerance and amelioration in wheat
... Wherrett T, Ryan P, Delhaize E and Shabala S Effect of aluminium on membrane potential and ion fluxes at the apices of wheat roots of contrasting aluminium tolerance, Combio 2004, the 44[r] ...
238
Tribute to R G Boutilier: The role for skeletal muscle in the hypoxia induced hypometabolic responses of submerged frogs
... increases. Ion pumping is a dominant energy sink during anoxia because pump activities are not inhibited as completely as other processes ...transmembrane ion gradients there must be a reduction in passive ...
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Differentiation of the Chloride Extrusion Mechanism During Seawater Adaptation of a Teleost Fish, The Cichlid Sarotherodon Mossambicus
... The time-course of this change is similar to the changes in unidirectional branchial ion fluxes measured in other species in vivo see Maetz, 1974 and suggests that the observed time-cour[r] ...
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Interactions Between Acid Base Balance and Cutaneous Ion Transport in Larval Ambystoma Tigrinum (Amphibia: Caudata) in Response to Hypercapnia
... Transcutaneous ion fluxes during hypercapnia In view of the apparent requirement for external NaCl for normal compensatory responses during hypercapnia, we have evaluated the responses o[r] ...
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A REVIEW ON THE FLORESCENT SENSORS AND THEIR BIOLOGICAL USES
... metal ion fluxes, dynamics and movements in response to environmental perturbations, a critical step in defining how metals are regulated and used in ...
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Role of a Mitogen-Activated Protein Kinase Cascade in Ion Flux-Mediated Turgor Regulation in Fungi
... net ion flux in the wild type: a MAP kinase cascade mediates turgor regulation by regulating ion fluxes, including the activity of the plasma membrane H ⫹ -ATPase and K ⫹ ...
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Tumourigenesis and the phosphoinositide pathway
... TUMOURIGENICITY AND THE PHOSPHOINOSITIDE PATHWAY CONTENTS CHAPTER 1 Introduction 1 l.A Cell cycle 1 l.B Early Events Associated with Growth Factor Binding 4 l.B.l Ion Fluxes 5 l.B.2 Intr[r] ...
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Acceleration of protons and heavy ions to suprathermal energies during dipolarizations in the near Earth magnetotail
... suprathermal ion fluxes (H + , He + , O + ) started ∼ 1 min be- fore the onset of dipolarizations, and the fluxes continued to grow for ∼ 1 min after the ...the fluxes of different ion ...
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Analysis of Na+, Cl , K+, H+ and NH4+ concentration gradients adjacent to the surface of anal papillae of the mosquito Aedes aegypti: application of self referencing ion selective microelectrodes
... specific ion- exchange pathways in all of the osmoregulatory ...of ion-exchange processes is based on radioisotopic measurement of whole larval ion fluxes, which cannot entirely exclude ...
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Metal fluxes in the Mersey Narrows
... Discussion so far has dwelled solely on the integrated values of material transported in a tidal cycle. It is useful also to inspect the variation in fluxes across the survey section, at various phases of the ...
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