Cytoplasmic alkalinization

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August undefined, 2024

WebCytoplasmic alkalinization appears to be a common reaction to stimulation in many cell types and may serve as the signal for proliferation (for … WebOct 18, 2024 · The resulting cytoplasm alkalinization regulates pH-dependent channels; hence the Ksper and Slo outward potassium channels are activated (Navarro et al., 2007; Santi et al., 2010) while the inward sodium ENac channel is inhibited. This leads to hyperpolarization of the plasma membrane and in turn activates voltage- and pH …

Multiple Functions of the Vesicular Proton Pump in Nerve Terminals

WebDec 1, 2004 · Stimulation of eosinophils with PAF produced time-dependent alkalinization of the cytoplasm from an initial pH of 7.1+/-0.04 to 7.5+/-0.05. A similar alkalinization response was produced by... WebMar 5, 2002 · Application of weak alkalinizing agents, such as benzylamine or methylamine, enhances the cytosolic pH in guard cells and promotes stomatal closure, while butyrate, a weak acid, decreases the... hiding cameras reddit

Phosphorylation of the plasma membrane H - Oxford …

WebCytoplasmic alkalinization appears to be a common reaction to stimulation in many cell types and may serve as the signal for proliferation (for review, see Ref. 18). In this vein, there is a direct relation between pH i and the … WebMar 1, 2001 · A single cell assay illustrated that H 2 O 2 induces rapid changes in cytoplasmic and vacuolar pH in guard cells of Vicia faba, i.e. alkalinization of cytoplasmic areas occurred in parallel with a ... WebApr 11, 2024 · Stomatal opening is largely promoted by light-activated plasma membrane-localized proton ATPases (PM H + -ATPases), while their closure is mainly modulated … hiding candy in bra

Akt2 Phosphorylates Ezrin to Trigger NHE3 …

Ezrin regulates NHE3 translocation and activation after Na ... - PNAS

WebNov 15, 2004 · Cytosolic alkalinization occurs in human eosinophils stimulated with platelet-activating factor (PAF), but not with phorbol myristate acetate (PMA) or IL-5. Purified human eosinophils were loaded with BCECF/AM and stimulated with media control, PAF … WebJul 4, 2024 · ABA-activated BAK1 phosphorylated AHA2 at Ser-944 in its C-terminus and activated AHA2, leading to rapid H+ efflux, cytoplasmic alkalinization, and reactive … how far away is march 18th 2023WebAug 29, 2024 · ABA-activated BAK1 phosphorylated AHA2 at Ser-944 in its C terminus to activate the H + -ATPase, which promoted a transient efflux of protons, cytoplasmic alkalinization and the accumulation of ROS in the guard cells to initiate ABA signal transduction and promote stomatal closure. how far away is march 17

"WebIt is suggested that the catecholamine stimulus might initiate a positive feed-back alkalinization of the cytoplasm, concomitant with activation of Na-K transport. … " - Cytoplasmic alkalinization

Cytoplasmic alkalinization

Hydrogen peroxide-induced changes in intracellular pH of guard …

WebJun 24, 2024 · It has been reported that sodium bicarbonate can disrupt the PMF by alkalinizing the cytoplasm of S. aureus, increasing the susceptibility to polymyxin 39. … WebJun 11, 2004 · Following mitochondrial apoptotic stimuli, the decrease of the cytoplasmic pH (pHc) would result from either a downregulation of the Na + /H + exchange if no early cytoplasmic alkalinization ...

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WebDec 22, 2010 · For example, blocking activity-induced cytoplasmic alkalinization with folimycin or bafilomycin, two selective inhibitors of the proton pump, reduced the endocytic uptake of FM1-43, suggesting that cytosolic alkalinization promotes endocytosis. The authors point out that this effect could be due to the demonstrated pH sensitivity of ... WebJul 14, 2024 · NHE1 is activated by growth factors, to a large extent via ERK1/2 [33,35], resulting in cytoplasmic alkalinization, which supports proliferation. Aldosterone can also stimulate NHE1 in an ERK1/2-dependent manner, leading to cytoplasmic alkalinization [36,37]. In the present study, we tested the hypothesis that aldosterone-induced …

WebAlkalinization During Capacitation. During their transit through the female reproductive tract, sperm encounter an alkaline pH, higher HCO 3-concentration, and albumin. All these factors contribute to the … WebCytosolic alkalinization is a common and early messenger preceding the production of ROS and NO during stomatal closure by variable signals, including abscisic acid, methyl …

WebThe cytosolic alkali … ARG1 (ALTERED RESPONSE TO GRAVITY) is required for normal root and hypocotyl gravitropism. Here, we show that targeting ARG1 to the gravity-perceiving cells of roots or hypocotyls is sufficient to rescue the gravitropic defects in the corresponding organs of arg1-2 null mutants. The cytosolic alkali … WebStimulation of eosinophils with PAF produced time-dependent alkalinization of the cytoplasm from an initial pH of 7.1±0.04 to 7.5±0.05. A similar alkalinization response …

WebJul 5, 2024 · In some organisms, cytoplasmic alkalinization is accompanied by metabolic acid production which alleviates the cytoplasmic pH rise and protects the cell from the subsequent demise. …

WebJun 14, 2004 · We have previously shown that Na +-glucose cotransport triggers cytoplasmic alkalinization that requires NHE3 . Because ezrin can regulate NHE3 … hiding candy videosWebDec 1, 2003 · Cytosolic Alkalinization of the S3 Columella Cells of the Wild Type and arg1-2 upon Gravistimulation. (A) Wild type (ecotype Wassilewskija). (B) arg1-2. A 90 … hiding cable wires wall mounted tvWebFeb 2, 2024 · When generated in moderate amounts, ROS promote sperm capacitation by facilitating cholesterol efflux from the plasma membrane, enhancing cAMP generation, inducing cytoplasmic alkalinization, increasing intracellular calcium levels, and stimulating the protein phosphorylation events that drive the attainment of a capacitated state. hiding candyWebJun 14, 2004 · Although cytoplasmic alkalinization was triggered by Na + -glucose cotransport in Y353F ezrin expressing cells, the magnitude of alkalinization in three independent clones was reduced by 36 ± 8% ( Fig. 2 A, P < 0.01). how far away is march 18thWebInvestigation of the basic functions of GB CSCs reveals a constitutive state of oxidative stress and cytoplasmic alkalinization compared with MSCs. Both intracellular oxidation and cytoplasmic pH changes have been reported to … hiding candy in classWebSep 11, 2024 · The cytoplasmic alkalinization, PIN3/7 relocalization within the statocytes, and lateral auxin-gradient formation across the root tip upon gravity sensing, can all be used as cellular markers to distinguish mutations that affect early steps of gravity signal transduction in the statocytes from those that affect signal translocation to the ... how far away is march 19 2022WebSep 11, 2024 · The cytoplasmic alkalinization, PIN3/7 relocalization within the statocytes, and lateral auxin-gradient formation across the root tip upon gravity sensing, can all be … how far away is march 1st