Search Results - "Beffagna, N."

Modulation of reactive oxygen species production during osmotic stress in Arabidopsis thaliana cultured cells: Involvement of the plasma membrane Ca2+-ATPase and H+-ATPase by Beffagna, N.(Universita degli Studi di Milano (Italy)), Buffoli, B, Busi, C

“…In Arabidopsis thaliana cells, hypoosmotic treatment initially stimulates Ca(2+) influx and inhibits its efflux and, concurrently, promotes a large H2O2…”
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Involvement of the Plasma Membrane Ca2+-ATPase in the Short-Term Response of Arabidopsis thaliana Cultured Cells to Oligogalacturonides by Romani, G., Bonza, M. C., Filippini, I., Cerana, M., Beffagna, N., de Michelis, M. I.

“…Abstract Treatment of ARABIDOPSIS THALIANA cells with oligogalacturonides (OG) initiates a transient production of reactive oxygen species (ROS), the…”
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H+ Fluxes at Plasmalemma Level: In Vivo Evidence for a Significant Contribution of the Ca2+-ATPase and for the Involvement of its Activity in the Abscisic Acid-Induced Changes in Egeria Densa Leaves by Beffagna, N., Romani, G., Sforza, M. C.

“…Abstract: The features of Ca 2+ fluxes, the importance of the Ca 2+ pump-mediated H + /Ca 2+ exchanges at plasmalemma level, and the possible involvement of Ca…”
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Effects of abscisic acid and cytoplasmic pH on potassium and chloride efflux in Arabidopsis thaliana seedlings by Beffagna, N. (University of Milano (Italy)), Romani, G, Meraviglia, G, Pallini, S

“…The effects of ABA, isobutyric acid (IBA) and nicotine on K+ and Cl+ efflux were studied in Arabidopsis thaliana seedlings, and the role of pHcyt, and Em in…”
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Effect of Some Triazole Fungicides on Intracellular pH and on Cell Membrane Permeability in Leaves of Elodea densa (Planch.) Casp by Romani, G., Beffagna, N.

“…Recent data obtained in this laboratory have shown that a number of triazole fungicides induce in leaves of barley and Elodea densa an early release of solutes…”
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Down-regulation of the plasmalemma H+ pump activity by nicotine-induced intracellular alkalinization: A balance between base accumulation, biochemical pH-stat response and intracellular pH increase by Romani, G. (University of Milano (Italy)), Pallini, S, Beffagna, N

“…Nicotine was used to induce an intracellular alkalinization in Elodea densa leaves in order to study the regulation of the plasmalemma H(+) pump activity by…”
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Inhibition of malate synthesis by vanadate: implications for the cytosolic alkalinization induced by vanadate concentrations partially inhibiting the plasmalemma H+ pump by Beffagna, N, Romani, G, Lovadina, S

“…The effects of Na-orthovanadate, at concentrations only partially inhibiting net H extrusion, were determined on vacuolar and cytosolic pH by the weak base and…”
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Effects of two plasmalemma ATPase inhibitors on H+ extrusion and intracellular pH in Elodea densa leaves by Beffagna, N, Romani, G

“…Elodea leaves in the dark show very little exchange of H+ with the medium in the external pH range between 5.0 and 6.0. The presence of fusicoccin and…”
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Effects of Two Plasmalemma ATPase Inhibitors on H+ Extrusion and Intracellular pH in Elodea densa Leaves by BEFFAGNA, N., ROMANI, G.

“…Beffagna, N. and Romani, G. 1988. Effects of two plasmalemma ATPase inhibitors on H+ extrusion and intracellular pH in Elodea densa leaves.—J. exp. Bot. 39:…”
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Involvement of the Plasma Membrane Ca 2+ ‐ATPase in the Short‐Term Response of Arabidopsis thaliana Cultured Cells to Oligogalacturonides by Romani, G., Bonza, M. C., Filippini, I., Cerana, M., Beffagna, N., de Michelis, M. I.

“…Treatment of Arabidopsis thaliana cells with oligogalacturonides (OG) initiates a transient production of reactive oxygen species (ROS), the concentration of…”
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H + Fluxes at Plasmalemma Level: In Vivo Evidence for a Significant Contribution of the Ca 2+ ‐ATPase and for the Involvement of its Activity in the Abscisic Acid‐Induced Changes in Egeria Densa Leaves by Beffagna, N., Romani, G., Sforza, M. C.

“…The features of Ca 2+ fluxes, the importance of the Ca 2+ pump‐mediated H + /Ca 2+ exchanges at plasmalemma level, and the possible involvement of Ca 2+…”
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Response to anoxia in rice and wheat seedlings. Changes in the pH of intracellular compartments, glucose-6-phosphate level, and metabolic rate by Menegus, F. (Istituto Biosintesi Vegetali, CNR, Milano, Italy), Cattaruzza, L, Mattana, M, Beffagna, N, Ragg, E

“…31P nuclear magnetic resonance spectroscopy was used to measure intracellular pH in living tissues. Oxygen deprivation caused fast cytoplasmic acidification…”
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Role for the vacuolar H super(+)-ATPase in regulating the cytoplasmic pH: An in vivo study carried out in chl1, an Arabidopsis thaliana mutant impaired in NO sub(3) super(-) transport by Romani, G, Beffagna, N, Meraviglia, G

“…The effects of the growth in a medium containing NH sub(4)NO sub(3) as nitrogen source were studied on cell sap pH, cytoplasmic pH and malate content in chl1,…”
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Role for the vacuolar H+-ATPase in regulating the cytoplasmic pH: An in vivo study carried out in chl1, an Arabidopsis thaliana mutant impaired in NO3- transport by Romani, G. (University of Milano (Italy)), Beffagna, N, Meraviglia, G

“…The effects of the growth in a medium containing NH4NO3 as nitrogen source were studied on cell sap pH, cytoplasmic pH and malate content in chl1, an…”
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The chl1 Arabidopsis mutant impaired in the nitrate-inducible NO3-transporter has an acidic intracellular pH in the absence of nitrate by MERAVIGLIA, G, ROMANI, G, BEFFAGNA, N

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Role for the Vacuolar H+-ATPase in Regulating the Cytoplasmic pH: An in Vivo Study Carried out in chl1, an Arabidopsis thaliana Mutant Impaired in NO-3 Transport by Romani, Giulia, Beffagna, Nicoletta, Meraviglia, Giorgia

“…The effects of the growth in a medium containing NH4NO3 as nitrogen source were studied on cell sap pH, cytoplasmic pH and malate content in chl1, an…”
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On the relationship among physiological action, phytotoxicity and membrane binding of fusicoccin and dideacetylfusicoccin / Sul rapporto tra azione fisiologica, fitotossicità e capacità di legarsi alle membrane della fusicoccina e della dideacetilfusicoccina by Radice, M., Scacchi, A., Pesci, P., Beffagna, N.

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Influence of magnesium in the homogenization medium on the state of a divalent cation-stimulated, diethylstilbestrol-sensitive adenylnucleotidyl phosphatase activity from pea stem microsomal preparations by Beffagna, N, Pesci, P, Marrè, E

“…The amount of divalent cation-activated, diethylstilbestrol-sensitive adenylnucleotidyl phosphatase activity recovered in the 'microsomes' (13000-80000 X g…”
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Cation-activated ATPase activity of plasmalemma-enriched membrane preparations from maize coleoptiles by Beffagna, N, Marre, E, Cocucci, S.M

“…The ATPase activity present in plasmalemma-enriched preparations from maize coleoptiles shows an optimum at pH 6, a strong dependence on Mg2+, and is…”
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