Buscar
Mostrando ítems 1-10 de 663
Maxi-K channels contribute to urinary potassium excretion in the ROMK-deficient mouse model of Type II Bartter's syndrome and in adaptation to a high-K diet
(2006-07-12)
Type II Bartter's syndrome is a hereditary hypokalemic renal salt-wasting disorder caused by mutations in the ROMK channel (Kir1.1; Kcnj1), mediating potassium recycling in the thick ascending limb of Henle's loop (TAL) ...
Maxi-K channels contribute to urinary potassium excretion in the ROMK-deficient mouse model of Type II Bartter's syndrome and in adaptation to a high-K diet
(2006-07-12)
Type II Bartter's syndrome is a hereditary hypokalemic renal salt-wasting disorder caused by mutations in the ROMK channel (Kir1.1; Kcnj1), mediating potassium recycling in the thick ascending limb of Henle's loop (TAL) ...
The potassium battery: a mobile energy source for transport processes in plant vascular tissues
(2017)
Plant roots absorb potassium ions from the soil and transport them in the xylem via the transpiration stream to the shoots. There, in source tissues where sufficient chemical energy (ATP) is available, K+ is loaded into ...
Utilization of a new approach for the potassium concentration of sugarcane vinasse by reverse osmosis: case study
(2019-10-01)
Ethanol is an alternative fuel produced from sugarcane and economically very important for São Paulo state and Brazil. Vinasse, which has been traditionally distributed on the agricultural soil as an organic fertilizer, ...
Vascular expression driven by the promoter of a gene encoding a high-affinity potassium transporter HAK5 from Eucalyptus grandis
(2017-11-01)
The construction of expression cassettes harboring tissue-specific promoters is a viable alternative to limit transgene expression to specific organs and cell types. In this study, we have functionally characterized the ...
How DELLAs contribute to control potassium uptake under conditions of potassium scarcity? Hypotheses and uncertainties
(Taylor & Francis, 2017-09)
Maintenance of the inward transport of potassium (K) by roots is a critical step to ensure K-nutrition for all plant tissues. When plants are grown at low external K concentrations a strong enhancement of the activity of ...
Subcellular localization and kinetic characterization of a gill (Na +, K+)-ATPase from the giant freshwater prawn macrobrachium rosenbergii
(2013-07-01)
The stimulation by Mg2+, Na+, K+, NH 4 +, and ATP of (Na+, K+)-ATPase activity in a gill microsomal fraction from the freshwater prawn Macrobrachium rosenbergii was examined. Immunofluorescence labeling revealed that the ...