pH regulation
Determination of pH by microfluorometry: intracellular and interstitial pH regulation in developing early stage fish embryos (Danio rerio)
... for pH regulation of developing ...time, pH was determined by application of laser-scanning-microfluorometry with specific dextran-coupled fluorescent dyes injected into studied fluid compartments ...
13
Preferential intracellular pH regulation: hypotheses and perspectives
... coupled pH regulation during compensation for respiratory acid – base disturbances (Brauner and Baker, 2009; Cameron, 1989; Occhipinti and Boron, 2015; Shartau and Brauner, ...
10
Carbonic anhydrases and anion transport in mosquito midgut pH regulation
... luminal pH zones color-coded and the locations of two different α -CAs (AgCA9 and AgCA10) ...to pH regulation in the gut, it is presumed that these two specific CAs play important ...
10
Cationic pathway of pH regulation in larvae of Anopheles gambiae
... which provide the chief mechanism by which metabolic acid is extruded from animal cells. The second major class of electrophoretic NHAs was known mainly from studies on alkalophilic bacteria. However, phylogenetic ...
12
Impact of Culture pH Regulation on Biohydrogen Production using Suspended and Immobilized Microbial Cells
... and pH regulation systems ...unregulated pH poses many difficulties for bioprocessing and has been linked to reduced bioprocess ...in pH regulated pilot size ...
21
Effects of high-intensity training on components of muscle pH regulation
... of pH regulation involves the transport of acid (H + ) and base (bicarbonate, HCO 3 − ) across the cell membrane by specialised proteins, with the direction of transport typically dependent on pH and ...
300
pH regulation and beyond: unanticipated functions for the voltage-gated proton channel, HVCN1
... mediates pH-dependent activation of spermatozoa, as well as acid secretion by tracheal ...in pH regulation during phagocytosis was established by sur- prising evidence that indicated its ...
10
Intracellular pH regulation of CA1 neurons in Na+/H+ isoform 1 mutant mice
... rons were plated and fixed on a coverslip that was pre- coated with Cell-Tak (Collaborative Research Inc., Bed- ford, Massachusetts, USA). The coverslip was placed on the stage of a Zeiss inverted microscope (Carl Zeiss, ...
10
Cytoplasmic pH regulation and chloride/bicarbonate exchange in avian osteoclasts
... cytosolic pH within physiologic ...cytoplasmic pH with pH-sensitive fluorescent compounds, while varying the extracellular ionic composition of the medium, to determine the nature of the compensatory ...
8
Intracellular pH regulation in isolated rat bile duct epithelial cells
... recovery was inhibited by DIDS (0.5-1 mM), but not by Cl- depletion. Finally, acute Cl- removal increased pHi by 0.18 pH units in the absence but not presence of DIDS. These data indicate that BDE cells possess ...
11
Developmental adaptations in cytosolic phosphate content and pH regulation in the sheep heart in vivo
... decrease pH from greater than ...extracellular pH were determined from the chemical shifts of the respective phosphate peaks and compared to arterial blood ...extracellular pH (greater than ...
7
Mechanisms of pH regulation in lamprey (Lampetra fluviatilis) red blood cells
... In addition to the experiments in HEPES-buffered, virtually CO2/HCO3~-free medium and in a medium containing 1 % CO2 and lOmmolF 1 HCO 3 ~, the effects of carbon dioxide and bicarbonate [r] ...
13
Effect of glucagon on intracellular pH regulation in isolated rat hepatocyte couplets
... To elucidate mechanisms of glucagon-induced bicarbonate-rich choleresis, we investigated the effect of glucagon on ion transport processes involved in the regulation of intracellular pH (pHi) in isolated ...
12
Effect of secretion on intracellular pH regulation in isolated rat bile duct epithelial cells
... BDE cells preincubated and perfused with 100 MM DBcAMP D, n = 11, in presence of HCO3- KRB, showed a maximal rate of alkalinization after Cl- removal gluconate and of pHi recovery after [r] ...
13
Contributions of anaerobic metabolism to pH regulation in animal tissues: theory
... Proton balance is analysed in relation to the anaerobic and aerobic metabolism of carbohydrates, carbonic acids, amino acids and fat by considering oxidation, carboxylation, decarboxylat[r] ...
20
Mechanisms of Acid Base Adjustment in Dogfish (Scyliorhinus Stellaris) Subjected to Long Term Temperature Acclimation
... This complex pattern of pH regulation with different relationships of pH to acclimation temperature in all four studied compartments cannot be achieved by changes of only buffer pK value[r] ...
10
Expression and localization of carbonic anhydrase and ATPases in the symbiotic tubeworm Riftia pachyptila
... conversion, pH regulation and ionic ...the regulation of CA expression in Riftia as a function of larval development, and acquisition of the symbiosis by the worm through in situ hybridization and ...
11
Recovery from Acute Haemolymph Acidosis in Unfed Locusts: I Acid Transfer to the Alimentary Lumen is the Dominant Mechanism
... Transfer of acid equivalents to the alimentary lumen provides unfed locusts with a mechanism of haemolymph pH regulation that does not compromise intracellular acid-base status or increa[r] ...
12
Regulation of Renal Citrate Metabolism by Bicarbonate Ion and pH: Observations in Tissue Slices and Mitochondria
... increased markedly at high bicarbonate concentrations. 5) The kinetic characteristics of the inhibition of citrate oxidation are those of a competitive type of inhibition. 6) When pH was varied with a constant ...
15
Interaction among Btn1p, Btn2p, and Ist2p Reveals Potential Interplay among the Vacuole, Amino Acid Levels, and Ion Homeostasis in the Yeast Saccharomyces cerevisiae
... localization of the interacting proteins Rhb1p, Yif1p, and Ist2p, which have been implicated in a variety of cellular pro- cesses, such that btn2 ⌬ results in pleiotrophic phenotypes. Therefore, the up-regulation ...
8