Cytoplasmic alkalinization

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August undefined, 2024

WebIt is suggested that the catecholamine stimulus might initiate a positive feed-back alkalinization of the cytoplasm, concomitant with activation of Na-K transport. … WebAug 11, 2010 · Gonugunta V K, Srivastava N, Raghavendra A S. Cytosolic alkalinization is a common and early messenger preceding the production of ROS and NO during stomatal closure by variable signals, including abscisic acid, methyl jasmonate and chitosan. Plant Signal Behav, 2009, 4: 561–564. Article Google Scholar

Ethylene-induced nitric oxide production and stomatal closure in

WebSep 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 … WebFeb 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. brightspace fidelity

Mutual Influence of ROS, pH, and CLIC1 Membrane Protein in the ... - PubMed

WebAug 4, 2006 · Interestingly, adk1-1 does not affect gravity-induced cytoplasmic alkalinization of the root statocytes, suggesting either that ADK1 functions between cytoplasmic alkalinization and PIN3 relocalization in a linear pathway or that the pH and PIN3-relocalization responses to gravistimulation belong to distinct branches of the … 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 … 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 … brightspace fmr

pH Regulation of the F-actin Binding Properties of

Akt2 Phosphorylates Ezrin to Trigger NHE3 …

WebJul 1, 1989 · The degree of alkalinization observed was comparable to that produced by two additional mitogenic regimens. Cytoplasmic alkalinization was not blocked by … WebInvestigation 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 … can you hear ctfWebCytoplasmic 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 … brightspace fleming college

"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 … " - Cytoplasmic alkalinization

Cytoplasmic alkalinization

A link between pH homeostasis and colistin resistance in bacteria

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 … 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 ...

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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 … 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 ...

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 ... WebPlumX Metrics Initiation of Na + -glucose cotransport in intestinal absorptive epithelia causes NHE3 to be translocated to the apical plasma membrane, leading to cytoplasmic alkalinization. We reported recently that this …

WebAug 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. 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 …

WebJun 14, 2004 · We have previously shown that Na +-glucose cotransport triggers cytoplasmic alkalinization that requires NHE3 . Because ezrin can regulate NHE3 …

WebCytoplasmic alkalinization appears to be a common reaction to stimulation in many cell types and may serve as the signal for proliferation (for … brightspace flemingWebDec 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... can you hear corn growing in the fieldWebThe 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 … brightspace fnti loginWebJan 14, 2005 · Akt activity is required for NHE3 translocation and cytoplasmic alkalinization after Na+-glucose cotransport.A, Akt activity is necessary for ezrin translocation after initiation of Na + -glucose cotransport. Monolayers were fixed 240 s after initiation of Na + -glucose cotransport in the absence or presence of 50 μ m NL-71-101. brightspace find your schoolWebNov 18, 2024 · The cytoplasmic pH (pHcyt) oscillations are essential in the process independent of the extracellular Ca 2+. The study also suggested that OA may influence inward K + channels and Ca 2+ channels by mediating the activation of H + -ATPase. Go to: 2. Results 2.1. Effects of OA on Suspension Cell Viability of P. tunicoides brightspace finger lakes community collegeWebCytoplasmic pH (pH (i)) was evaluated during Na (+)-glucose cotransport in Caco-2 intestinal epithelial cell monolayers. The pH (i) increased by 0.069 +/- 0.002 within … brightspace first teachWebMay 29, 2015 · In G 2 phase there is a decrease in NADPH concentration (used for membrane lipid synthesis) and a cytoplasmic alkalinization occurs. Mitochondria hyperfusion matches the cytosolic acidification at late G 1 /S transition and then triggers ATP synthesis by oxidative phosphorylation. can you hear corn growing