Journal ArticleDOI
Establishment of low extracellular pH is essential for uptake of the fluorescent anionic dye hydroxypyrenetrisulfonate by suspension-cultured carrot cells
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Uptake of HPTS correlated strongly with external pH and was restored when external pH was experimentally reduced to below 4.0 even in the presence of inhibitors, suggesting that inhibitors of HP TS uptake at the plasma membrane act primarily by preventing the establishment of a low external pH required for transport.About:
This article is published in Plant Physiology and Biochemistry.The article was published on 1998-12-01. It has received 3 citations till now. The article focuses on the topics: Tris & HEPES.read more
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Rubisco specificity factor tends to be larger in plant species from drier habitats and in species with persistent leaves
Jeroni Galmés,Jaume Flexas,Alfred J. Keys,Josep Cifre,Rowan A. C. Mitchell,Pippa J. Madgwick,Richard P. Haslam,Hipólito Medrano,Martin A. J. Parry +8 more
TL;DR: The results suggest that specificity factors are more dependent on environmental pressure than on phylogenetic factors, and higher specificity factors were found in species characteristically growing in dryer environments and in species that are hemideciduous or evergreen.
Journal ArticleDOI
Leaf morphology, photochemistry and water status changes in resprouting Quercus ilex during drought
TL;DR: Functional and morphological (structural) characteristics of Quercus ilex L. leaves under drought stress were studied in the forest and in a nursery and the relationship between nitrogen (N) content and LMA implied lower N investment in photosynthesis components in controls, which could be responsible for their increased non-stomatal limitation of photosynthesis.
Journal ArticleDOI
Ionizable (Thia)calix[4]crowns as highly selective 226Ra2+ ionophores.
Fijs W. B. van Leeuwen,Hans Beijleveld,Cornelis J. H. Miermans,Jurriaan Huskens,Willem Verboom,David N. Reinhoudt +5 more
TL;DR: The 226Ra2+ selectivity of the ionizable (thia)calix[4]crowns 1-4 was determined in the presence of a large excess of the most common alkali and alkaline earth cations and allows for full regeneration of the ionsophores at lower pH values (pH <6).
References
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A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein-dye binding
TL;DR: This assay is very reproducible and rapid with the dye binding process virtually complete in approximately 2 min with good color stability for 1 hr with little or no interference from cations such as sodium or potassium nor from carbohydrates such as sucrose.
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Hydrogen ion buffers for biological research.
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Detoxification of xenobiotics by plants: chemical modification and vacuolar compartmentation
TL;DR: The vacuolar glutathione-conjugate transporter shows functional similarities with an ATP-binding cassette transporter, the multidrug resistance-associated protein, present in drug-tolerant human cancer cells.
Journal ArticleDOI
Clinical Pharmacokinetics of Probenecid
TL;DR: There are 2 primary clinical uses for probenecid: as a uricosuric agent in the treatment of chronic gout and as an adjunct to enhance blood levels of antibiotics (such as penicillins and Cephalosporins).
Journal ArticleDOI
Apoplastic Water and Solute Movement: New Rules for an Old Space
TL;DR: The history of the apop/ast, both the word and the concept, is traced from its invention by Munch (1930), through its adoption by the translocation physiologists as a gateway by which to feed pesticides, and the independent evolution of the free-space concept by ion-uptake physiologists.
Related Papers (5)
pH-regulated anion antiport in nucleated mammalian cells.
Selective inhibition of sodium-linked and sodium-independent bicarbonate/chloride antiport in Vero cells.
I H Madshus,S Olsnes +1 more