Cookies help us deliver our services. By using our services, you agree to our use of cookies. More information

Search results

From Bioblast
Results 1 – 183 of 183
Advanced search

Search in namespaces:

  
  
  
  
  
  
  
  
  
  
  
  
  
  • ...mberti G, Huber LA (2015) Isolation of early and late endosomes by density gradient centrifugation. Cold Spring Harb Protoc 2015(11):pdb.prot083444. ...iven buffer. Separation will also depend on the medium used to prepare the gradient, whether it is sucrose (the most common) or an alternative. Here we describ
    1 KB (154 words) - 17:19, 13 January 2016
  • ...f adenosine triphosphate by an artificially imposed electrochemical proton gradient in bovine heart submitochondrial particles. J Biol Chem 250:5330-5. ...p> gradient (15%) alone. These results demonstrate that an electrochemical gradient of protons can drive the synthesis of ATP by reversal of the proton-translo
    2 KB (234 words) - 09:56, 27 November 2015
  • ...t that carp red muscle mitochondria defend an appropriate mitochondrial pH gradient with temperature-induced changes in intracellular pH.
    2 KB (258 words) - 09:11, 9 November 2016
  • ...lectrogenic K<sup>+</sup> transport down the electrochemical transmembrane gradient (150 ng<sup>.</sup>mg<sup>-1</sup> protein).
    395 bytes (52 words) - 11:57, 9 June 2023
  • ...ATP/ADP.Pi ratio, and mitochondria reach "State 4" with an elevated proton gradient, the degree of coupling drops substantially. The mechanistic cause and the
    2 KB (225 words) - 18:55, 27 January 2024
  • ...rophage early and late endosomes by latex bead internalization and density gradient centrifugation. Cold Spring Harb Protoc 2015(12):pdb.prot083451. ...t method for separating endocytic organelles from macrophages on a sucrose gradient, taking advantage of the significantly lower density of the organelles cont
    1 KB (146 words) - 16:10, 9 November 2016
  • ...production by NADH:ubiquinone oxidoreductase (complex I) depends on the pH gradient across the mitochondrial inner membrane. Biochem J 382:511-7. ...ng reverse electron transport was at least 3-fold more sensitive to the pH gradient than to the membrane potential.
    2 KB (254 words) - 00:17, 18 February 2022
  • ...commonly used isolation procedure for mitochondria utilizing differential (gradient) centrifugation and depict major challenges to achieve "functional" mitocho |keywords=Differential gradient centrifugation, Isolation of mitochondria, Mitochondrial integrity
    1 KB (193 words) - 17:28, 24 April 2023
  • ...neration of an electrochemical proton gradient (Δμ +H ), which comprises a gradient of electric potential (ΔΨ) and of proton concentration (ΔpH). The Δμ +
    1 KB (195 words) - 15:01, 8 August 2023
  • ...ler M, Peltier G (2011) Control of hydrogen photoproduction by the proton gradient generated by cyclic electron flow in Chlamydomonas reinhardtii. Plant Cell ...s released in the pgrl1 mutant. Regulation of the trans-thylakoidal proton gradient by monitoring pgrl1 expression opens new perspectives toward reprogramming
    2 KB (323 words) - 15:31, 8 August 2023
  • ...+ antiport keeps matrix [Na+] low and the Na(+)-gradient equal to the H(+)-gradient. A Na+/Ca2+ antiport provides a Ca(2+)-extruding mechanism that permits the
    1 KB (197 words) - 10:42, 16 February 2022
  • ...y the isolation procedure was the greatest after purification in a sucrose gradient. We confirmed that pig brain mitochondria can serve as a biological model f
    2 KB (321 words) - 17:57, 9 November 2017
  • ...l gradient across the inner mitochondrial or bacterial cell membrane. This gradient is the primary source of energy for aerobic synthesis of ATP. Oxidation of
    2 KB (236 words) - 18:50, 27 January 2024
  • ...differences of concentration or pressure are scalars, whereas a potential gradient is a [[vector]]. Similarly, the [[protonmotive force]] and metabolic oxygen
    523 bytes (64 words) - 05:27, 16 September 2022
  • ...' is a pysicochemical quantity with magnitude and spatial direction of a [[gradient]]. Symbols for vectors are written in bold face. For example, [[velocity]],
    521 bytes (64 words) - 05:24, 16 September 2022
  • ...s supply within the human body, including a facilitated description of the gradient of pressure from the atmosphere to the cells. This review also included the
    2 KB (240 words) - 09:24, 28 June 2022
  • 2 KB (275 words) - 10:14, 13 October 2022
  • ...nine between the two channels prevents proton leakage. The steep potential gradient over the sub-nm inter-channel distance exerts a force on the deprotonated g
    2 KB (220 words) - 17:22, 16 January 2021
  • ...ducible and facile. It is especially useful for tissue culture cells since gradient methods often are complicated by alterations in plasma membrane density wit
    2 KB (252 words) - 22:35, 16 February 2021
  • ...hrough uncoupling proteins (UCPs) which can cause a decrease in the proton gradient independent of the production of ATP. Here, I investigate changes in UCPs a
    3 KB (411 words) - 16:37, 28 March 2018
  • ...ne with transport of protons and dissipation of the electrochemical proton gradient. Mild uncoupling may be induced at low uncoupler concentrations, the noncou
    755 bytes (88 words) - 11:05, 28 March 2024
  • ...B) and neonatal rats (method C). All three procedures use Percoll density gradient centrifugation as a key step in the isolation but differ in many aspects of |keywords=Percoll density gradient centrifugation,
    2 KB (288 words) - 17:20, 31 January 2020
  • ...I and complex III has been shown to affect enzymatic catalysis, the proton gradient, redox status, and enzyme-mediated ROS production. Pathological conditions ...ive charges on the membrane denote the membrane potential (ΔΨ). The proton gradient, denoted by ΔpH for the difference of pH across the membrane. Δp- or ΔpH
    5 KB (754 words) - 03:39, 11 November 2023
  • ...me, Demaurex Nicolas (2011) Dynamic regulation of the mitochondrial proton gradient during cytosolic calcium elevations. J Biol Chem 286:11672-84. ...r membrane to generate the mitochondrial membrane potential (ΔΨ(m)) and pH gradient (ΔpH(m)) that both power ATP synthesis. Mitochondrial uptake and efflux of
    2 KB (295 words) - 17:53, 16 January 2021
  • ...ere not altered by acute hypoxia; however, the mitochondrial H<sup>+</sup>-gradient decreased in step with the decrease in ETS respiration. Taken together, our ...e synthase, Cytochrome c oxidase, Mitochondrial membrane potential, Proton gradient
    2 KB (340 words) - 13:20, 28 March 2018
  • ...ion standardization in quartz cell, expetually using different temperature gradient with isolation from air.
    1 KB (126 words) - 09:38, 20 April 2020
  • ...ent futile hydrolysis of ATP when the transmembrane proton electrochemical gradient, delta mu H+, falls. Mitochondria and chloroplasts have different mechanism
    884 bytes (122 words) - 09:18, 5 April 2022
  • ...protein complexes that couple redox reactions, creating an electrochemical gradient that leads to the creation of ATP in a complete system named oxidative phos
    1 KB (149 words) - 17:42, 5 October 2023
  • ...n and K+ ionophores, which suppress the mitochondrial electrical potential gradient, acting as uncoupling agents, and compounds, such as oligomycin, which inte
    4 KB (562 words) - 18:39, 27 August 2023
  • ...>X</sub> (units: newton per particle X [N∙x<sup>-1</sup>]), is a vector or gradient, taken here as being oriented in the ''z'' direction only, interacting with ...I'''''<sub>'''d'''<u>''N''</u>X</sub>, across a plane perpendicular to the gradient in direction ''z'' is,
    3 KB (524 words) - 18:53, 28 December 2018
  • ...lationships are non-linear. (''2'') The ''pmF'' is not a vector force; the gradient is replaced by a pressure difference, and local concentration by a distribu
    5 KB (637 words) - 22:17, 4 July 2022
  • ...electrochemical gradient"'' - <span style="color:#FF0000"> Electrochemical gradient = Gibbs energy change?
    5 KB (687 words) - 02:59, 2 May 2024
  • ...n·d, 5 d·wk), or treadmill interval sprint training (TM-IST; 50 m·min, 12% gradient, 6 × 2.5 min bouts, 5 d·wk) groups for a 4-wk intervention.
    2 KB (338 words) - 14:36, 28 March 2018
  • ...olate and partially purified by ammoniumsulphate fractionation and density gradient centrifugation. Compared to submitochondrial particles this preparation con
    1 KB (163 words) - 09:54, 27 November 2015
  • ...rotons across the mitochondrial inner membrane, forming an electrochemical gradient that captures chemical energy in the form of adenosine triphosphate (ATP).
    1 KB (164 words) - 06:12, 23 October 2023
  • ...one oxidoreductase) transduces redox energy into an electrochemical proton gradient. Studies of redox dependent changes in the spectrum of Complex I from ''Esc
    1 KB (181 words) - 19:50, 27 January 2024
  • ...ria. The amount of diffusive oxygen movement depends on the oxygen tension gradient and the diffusion distance.
    3 KB (486 words) - 23:08, 15 July 2022
  • ...n of protons across the inner mitochondrial membrane. The resulting proton gradient is used by the ATP synthase complex (the fifth enzyme complex) to phosphory
    1 KB (204 words) - 00:01, 19 December 2023
  • ...tact mitochondria from cell culture samples along with an optional density gradient purification. This chapter provides a methodological update of our approach
    1 KB (169 words) - 11:54, 16 August 2021
  • ...potential and represents the main component of the proton electrochemical gradient accounting for more than 90% of the total available respiratory energy. Num
    1 KB (182 words) - 12:55, 3 April 2021
  • ...= d''μ''/d''z'' is the force of diffusion, which is the chemical potential gradient of the diffusing substance in the ''z'' direction perpendicular to the plan ::::* Diffusion pressure gradient: d<sub>d</sub>''Π''/d''z'' = ''c''·d''μ''/d''z''= ''α''·''F''<sub>d</s
    6 KB (989 words) - 13:54, 1 May 2024
  • ...commonly used isolation procedure for mitochondria utilizing differential (gradient) centrifugation and depict major challenges to achieve "functional" mitocho
    2 KB (205 words) - 23:44, 23 April 2023
  • ...ration (JO2) is required to generate an electrical gradient (ΔΨm) and a pH gradient to power ATP synthesis, yet the impact of pH modulation on brain mt functio
    3 KB (474 words) - 11:54, 9 February 2022
  • ...and sustained growth. In addition, cell wall expansion requires a calcium gradient in the tube apex formed by a dedicated array of calcium pumps and channels.
    1 KB (202 words) - 19:39, 20 March 2023
  • ...roduction. The size of such clusters is limited by the magnitude of the O2 gradient needed to provide adequate O2 concentrations for mitochondrial function wit
    1 KB (197 words) - 17:33, 20 April 2022
  • ...he membrane, thus contributing to generation of the electrochemical proton gradient that is used to drive the synthesis of ATP as catalyzed by the rotary ATP s
    1 KB (221 words) - 19:30, 27 January 2024
  • ..., also called voltage, and a pH gradient (Δ''μ''<sup>H+</sup>) with the pH gradient typically less significant: ΔP = ΔΨ<sub>m</sub> + Δ''μ''<sup>H+</sup>. ...: ''Comment:'' Δ''P'' (delta ''P'') indicates a difference. In contrast, a gradient has magnitude and direction, and would be indicated as d''P''/d''z'' in the
    6 KB (784 words) - 08:54, 6 February 2024
  • ...on of protons from the matrix, creating a proton electrochemical potential gradient. (2) The F<sub>1</sub>F<sub>O</sub> ATPase is also vectorially oriented so [[File:ABSTRACT FIG.jpg|400px|Schemata of ATP_Synthase_proton gradient]]
    4 KB (506 words) - 16:24, 25 November 2015
  • ...pump protons from the matrix to the intermembrane space (IMS) and build a gradient which is used by ATP synthase to produce ATP. In Chlamydomonas and other eu
    2 KB (211 words) - 06:35, 5 November 2023
  • ...through the respiratory chain is transduced into a proton electrochemical gradient across a membrane. In mitochondria and many bacteria, reduction of the diox
    2 KB (219 words) - 20:11, 14 October 2023
  • ...less than the Michaelis Menten constant, with a significant concentration gradient in the sphere. The results have important implications for the design of do
    2 KB (221 words) - 05:49, 17 August 2017
  • ...the mitochondrial inner membrane following the K<sup>+</sup> concentration gradient. In the presence of K<sup>+</sup>, nigericin decreases pH in the mitchondri
    2 KB (220 words) - 11:57, 9 June 2023
  • ...ndent on natural proton gradients begin pumping ions to generate their own gradient? ...antiporter, which transduces geochemical proton flux into a Na<sup>+</sup> gradient, improving coupling, and potentially explaining the Na<sup>+</sup>/H<sup>+<
    4 KB (537 words) - 15:53, 18 November 2014
  • ...onsistent with a model in which the high energy condition consists of a pH gradient across the grana disk membranes.
    2 KB (240 words) - 10:16, 9 November 2016
  • ...bleeding diathesis in severe thrombocytopenia. On the other hand, density gradient centrifugation (DC) is an isolation method applied in research for the anal ...xidative phosphorylation OXPHOS, high-resolution respirometry HRR, density gradient centrifugation DC, flow cytometry
    4 KB (593 words) - 08:42, 8 January 2023
  • |title=Rieger B, Junge W, Busch KB (2014) Lateral pH gradient between OXPHOS complex IV and F(0)F(1) ATP-synthase in folded mitochondrial
    1 KB (215 words) - 10:24, 3 April 2022
  • ...um at steady state; Fick's law of diffusion). Therefore, the concentration gradient of a continous system can be replaced by the concentration difference in a
    8 KB (1,154 words) - 14:59, 13 February 2020
  • ...ved a shift of the FoF1-ATPase complexes to the lower S-values on glycerol gradient, where the free F1-ATPase sediments, indicating changes in the structural i
    4 KB (564 words) - 14:23, 26 March 2018
  • ...dox-driven proton pump, accounting for a large part of the electrochemical gradient that powers mitochondrial adenosine triphosphate synthesis. Complex I dysfu
    2 KB (237 words) - 16:59, 22 March 2023
  • ...lexes (complex I to IV) to oxygen, therefore generating an electrochemical gradient that can be used by the F1-F0-ATP synthase (also named complex V) in the mi
    2 KB (269 words) - 16:55, 8 October 2023
  • ...of neurons resulted in a decline in fluorescence and a loss in fluorescent gradient between fully reduced and fully oxidized (plus respiratory uncoupler). We c
    2 KB (244 words) - 11:13, 14 February 2022
  • ...nes is able to move ions, mainly protons, even against their concentration gradient, one of my works, entitled “An electromagnetic coupling hypothesis to exp
    2 KB (291 words) - 11:52, 11 October 2023
  • ..., Messina A, Magrì A (2022) α-Synuclein A53T promotes mitochondrial proton gradient dissipation and depletion of the organelle respiratory reserve in a neurobl
    2 KB (245 words) - 09:46, 9 June 2023
  • ...on energy chain converting the redox energy into the cross-membrane proton gradient. The electron-transfer chain of iron-sulfur cofactors within the water-solu
    2 KB (275 words) - 04:32, 15 October 2023
  • ...hy on DEAE-cellulose and CM-cellulose. Centrifugation in a sucrose density gradient showed that the activity of the purified factor was closely associated with
    2 KB (249 words) - 15:16, 25 November 2015
  • ...bleeding diathesis in severe thrombocytopenia. On the other hand, density gradient centrifugation (DC) is an isolation method applied in research for the anal ...xidative phosphorylation OXPHOS, high-resolution respirometry HRR, density gradient centrifugation DC, flow cytometry
    4 KB (612 words) - 16:09, 4 June 2022
  • ...lling and shrinking of the mitochondria followed by sonication and density gradient centrifugation, which permits the separation of two particulate subfraction
    2 KB (277 words) - 12:09, 28 May 2015
  • |abstract=The extensive oxygen gradient between the air we breathe (Po2 ~21 kPa) and its ultimate distribution with
    2 KB (268 words) - 09:09, 28 June 2022
  • ...k of activity with NAD and NADP corresponding to an apparent Mr = 282,000. Gradient gel polyacrylamide electrophoresis at pH 9.0 indicated an additional broad
    2 KB (247 words) - 17:13, 29 July 2014
  • ...crose gradient ultracentrifugation to separate OMM from IMM, and flotation gradient ultracentrifugation to further enrich the OMM. Membrane purity was assesse
    6 KB (811 words) - 14:41, 18 September 2019
  • ...inner mitochondrial membrane at the expense of the mitochondrial Delta pH gradient; the latter parameter influences matrix inorganic phosphate and ATP concent
    2 KB (267 words) - 11:06, 3 April 2022
  • ...(ΔpH) component of the mitochondrial transmembrane proton electrochemical gradient (ΔμH+) was investigated. The overall O<sub>2</sub> consumption and specif
    2 KB (266 words) - 11:20, 21 January 2020
  • |abstract=Maintenance of an electrochemical proton gradient across the mitochondrial inner membrane against the significant proton perm
    2 KB (269 words) - 12:36, 24 November 2022
  • ...tic maps, whereas the 120-kDa polypeptide had a distinct profile. Glycerol gradient sedimentation analysis suggested that HIF-1 exists predominantly in a heter
    2 KB (251 words) - 09:39, 12 April 2022
  • ...lipid is associated with membranes designed to generate an electrochemical gradient that is used to produce ATP, such as bacterial plasma membranes and inner m
    2 KB (291 words) - 18:57, 16 January 2021
  • ...canonically associated with ATP production in neurons. The electrochemical gradient, which underlies the mitochondrial transmembrane potential (ΔΨ<sub>mem</s
    2 KB (276 words) - 15:50, 15 June 2015
  • ...cycle mechanism that couples electron transfer to generation of the proton gradient that drives ATP synthesis. Genetic defects leading to mutations in proteins
    2 KB (299 words) - 22:13, 16 February 2021
  • ...trons from the cytosol into the mitochondria is supported by the glutamate gradient and by a high glutamate/aspartate ratio inside the mitochondria (Glu/Asp =
    2 KB (276 words) - 12:46, 7 May 2019
  • ...d foetal placental leucocytes, and benign cells by incubating them under a gradient of pO<sub>2</sub>, from saturation to hypoxia, in a high resolution respiro
    2 KB (333 words) - 13:34, 16 June 2015
  • ...at the F1F0-ATP synthase. Thereby the energy stored in the electrochemical gradient is dissipated as heat.
    4 KB (634 words) - 07:33, 19 February 2020
  • ...ane. The proton-pumping activity contributes to the proton electrochemical gradient, which drives the synthesis of ATP. Based on kinetic experiments on the O-O
    2 KB (284 words) - 20:06, 27 January 2024
  • ...n JR (2022) Computational modeling and imaging of the intracellular oxygen gradient. Int J Mol Sci 23:12597. doi: 10.3390/ijms232012597
    2 KB (269 words) - 11:28, 18 December 2022
  • ...the released free energy to pump protons against the transmembrane proton gradient. To better understand the proton-pumping mechanism of the wild-type (WT) Cc
    2 KB (320 words) - 19:19, 27 January 2024
  • ...horylation (OXPHOS) using ATP synthase, a nano-rotor powered by the proton gradient generated from proton-coupled electron transfer (PCET) in the multi-complex
    2 KB (277 words) - 06:53, 6 February 2024
  • ...isproportionate CBF increase may be required to increase the concentration gradient from capillary to tissue that drives oxygen delivery. However, the brain ti
    2 KB (291 words) - 23:40, 18 December 2022
  • ...f the protonmotive force, i.e. the voltage (ΔΨ(m)) and the proton (ΔpH(m)) gradient, displayed a similar effect. Quantitative estimation of the ΔΨ(m) unveile
    2 KB (284 words) - 09:56, 8 November 2017
  • ...digiosin as a proton sequestering agent that destroys the intracellular pH gradient, and propose that its main cytotoxic effect could be related to its action
    2 KB (274 words) - 16:12, 9 November 2016
  • ...ensity. Under conditions of low light intensity and proton electrochemical gradient present, for example, under a leaf canopy, it is proposed that a rate limit
    2 KB (308 words) - 22:17, 3 November 2023
  • ...nsiderably more oxygen-efficient. Finally, the mitochondrial H<sup>+</sup>-gradient was more tightly coupled, indicating that mitochondrial respiration is more
    2 KB (288 words) - 11:26, 29 July 2019
  • ...ys performed at the extramitochondrial pH optimum of 7.5. When this proton gradient was abolished with nigericin, the extramitochondrial pH optimum for protein
    2 KB (294 words) - 14:59, 20 October 2017
  • ...e. This concept can be extended to vectorial heat flux along a temperature gradient. The temperature difference relative to the temperature of the heat source,
    2 KB (365 words) - 07:41, 9 February 2024
  • ...of a knockout Chlamydomonas reinhardtii mutant (pgrl1) deficient in PROTON GRADIENT REGULATION LIKE1 (PGRL1)-mediated CEF. Steady state biomass productivity of
    2 KB (290 words) - 15:13, 8 August 2023
  • ...(p NP vs CTR = 0.003). The mitochondrial proton electrochemical potential gradient instead was decreased (p ≤ 0.05), as the oxygen consumption by Complex IV
    2 KB (313 words) - 15:28, 10 March 2020
  • ...s. Inter-individual variability was high, obscuring the effect of salinity gradient on heat flux. When standardized to the pre-transfer control level of each i
    2 KB (306 words) - 05:35, 23 November 2021
  • ...ed aerobic capacity, and (iii) mild uncoupling of the mitochondrial proton gradient. These data suggest that turtle brain mitochondria respond to low oxygen st
    2 KB (288 words) - 15:34, 13 November 2017
  • ...esaturated. These findings, taken together, suggest that the O<sub>2</sub> gradient from hemoglobin to the mitochondria can modulate the O<sub>2</sub> flux to
    2 KB (374 words) - 23:09, 15 July 2022
  • ...ouple respiration from oxidative phosphorylation by dissipating the proton gradient across the membrane. Treatment of primary culture of rat preadipocytes for
    2 KB (283 words) - 22:57, 5 July 2021
  • ...d conserves much of the liberated free energy as an electrochemical proton gradient, which is used for the synthesis of ATP. Photochemical electron injection e
    2 KB (331 words) - 19:46, 27 January 2024
  • ...e proton motive force consisting of a membrane potential (ΔΨ) and a proton gradient (ΔpH). Several factors controlling ROS production in the mitochondria incl
    2 KB (309 words) - 03:47, 11 November 2023
  • ...reaction to the translocation of protons against an electrochemical proton gradient. The membrane domain of the enzyme extends ∼180 Å from the site of quino
    2 KB (327 words) - 19:56, 27 January 2024
  • uncoupling of the mitochondrial proton gradient. These data suggest that
    2 KB (303 words) - 16:35, 16 August 2021
  • ...h GDAP1 dominant mutations, which according to the affected domain cause a gradient of severity. Indeed, the p.C240Y mutation, located within GDAP1 glutathione
    2 KB (322 words) - 08:22, 21 February 2020
  • ...O2, Oxygen disappearance curve, Phosphorescence quenching method, Cell PO2 gradient
    2 KB (341 words) - 17:11, 3 March 2015
  • ...consumption required to offset the dissipation of the transmembrane proton gradient in the absence of ATP synthesis was not correlated with either MMR or SMR.
    2 KB (342 words) - 10:11, 10 August 2022
  • ...cal quenching. This dissipative pathway is under the control of the proton gradient generated by the electron flow and the xanthophyll cycle. A second protecti
    2 KB (350 words) - 15:34, 8 August 2023
  • ...ified neuronal mitochondria from brain tissue. The method combines Percoll gradient centrifugation to obtain synaptosomal fraction with nitrogen cavitation med
    2 KB (329 words) - 14:54, 13 November 2017
  • ...lected by venous punction and PBMCs were isolated using Ficoll-based dense gradient centrifugation following storage at -80° C until analysis. After thawing c
    2 KB (325 words) - 14:49, 13 November 2017
  • ...y stabilising transmembrane proteins, buffering fluctuations of the proton gradient, protecting mtDNA, and mediating oxidative damage - related apoptotic signa
    2 KB (314 words) - 16:55, 14 December 2016
  • ...g the Atlantic coast of North America, through a steep latitudinal thermal gradient. The northern subspecies has faster development, more rapid growth, higher
    2 KB (350 words) - 15:37, 2 January 2019
  • Protocol of mitochondrial isolation was based on sucrose step density gradient centrifugation method as adapted from previous study. OCR of isolated mitoc
    2 KB (322 words) - 11:47, 8 April 2019
  • ...of hydrogen ions (H<sup>+</sup>), which are moved down an electrochemical gradient, e.g. from the intermembrane space into the mitochondrial matrix.
    3 KB (393 words) - 12:22, 9 November 2021
  • ...iration. Crude mitochondrial fraction and mitochondria purified on sucrose gradient were compared. We confirmed that pig brain mitochondria can serve as a biol
    2 KB (327 words) - 12:38, 29 May 2018
  • ...'Ψ''<sub>mt</sub> and the chemical part is related to the transmembrane pH gradient ΔpH. Although the contribution of ΔpH to ''pmF'' is smaller than that of
    3 KB (405 words) - 16:58, 4 July 2023
  • ...id bilayers. The conductance of the reconstituted channel was 265 pS under gradient (50/450 mM KCl) conditions. Its reversal potential was equal to 50 mV, whic
    2 KB (332 words) - 14:51, 27 March 2018
  • ...etry is maintained also in the presence of a transmembrane electrochemical gradient. Furthermore, the present study indicates that a careful analysis of the te
    3 KB (398 words) - 13:05, 9 December 2020
  • ...uently, ATP synthesis and proton leak compete for the same electrochemical gradient. Because proton leak co-varies negatively with body mass, it is unknown whe
    3 KB (352 words) - 18:01, 16 April 2020
  • ...nonsynaptic mitochondria were purified from Tg2576 mice brains by density gradient centrifugation. Mitochondrial proteins were separated by IEF or Blue-native
    3 KB (345 words) - 16:14, 17 February 2015
  • ...er membrane (mtIM) consisting of a proton (ΔpH) and electrical charge (Δψ) gradient. CI actively participates in sustaining these gradients via trans-mtIM prot
    2 KB (321 words) - 20:14, 4 January 2018
  • ...on is the product of mobility and concentration. In a linear concentration gradient the conductivity is a nonlinear function of the force, which is considered
    6 KB (908 words) - 14:46, 25 January 2020
  • ...rial membrane potential (ΔΨm) due to their ability to dissipate the proton gradient, which results in the uncoupling of mitochondrial respiration from ATP prod
    3 KB (361 words) - 09:59, 9 November 2016
  • ...sphorylation, Creatine kinase; Hexokinase, Compartmentation, Concentration gradient, Rat
    3 KB (388 words) - 10:54, 23 January 2019
  • 3 KB (385 words) - 14:38, 5 July 2023
  • ...'Ψ''<sub>mt</sub> and the chemical part is related to the transmembrane pH gradient ΔpH. Although the contribution of ΔpH to ''pmF'' is smaller than that of
    3 KB (394 words) - 08:30, 28 July 2022
  • ...philic cations, yielded the Nernstian ΔΨ, i.e. 30 mV per ten-fold dication gradient. In the State 4 mitochondria, dications stimulated respiration and lowered
    3 KB (381 words) - 13:04, 24 March 2015
  • ...role of main catalysts of futile proton leak of the proton electrochemical gradient generated by the respiratory chain. However, we found that a high concentra
    3 KB (355 words) - 13:50, 28 August 2017
  • ...nvolvement of the cytoskeleton in maintaining a differential mitochondrial gradient at sites such as the lamina cribosa. The downstream consequences of these m
    3 KB (425 words) - 23:39, 8 October 2023
  • ...embrane. The enzyme uses the energy provided by the proton electrochemical gradient as a force to drive ATP synthesis. Point mutations in ATP6 gene were identi
    3 KB (390 words) - 16:29, 26 March 2018
  • ...ibe the interaction between particles as [[vector]]s with direction of a [[gradient]] in space, causing a change in the motion ([[acceleration]]) of the partic ...electrochemical gradient"'' - <span style="color:#FF0000"> Electrochemical gradient = Gibbs energy change?
    17 KB (2,612 words) - 06:35, 9 February 2024
  • ...ic enzymes migrated together in intact mitochondria during sucrose density gradient centrifugations despite changes in the equilibrium position of the mitochon
    3 KB (443 words) - 13:50, 27 February 2015
  • ...tation by the enzymatic capacity of utilizating the electrochemical proton gradient).
    3 KB (449 words) - 18:46, 1 January 2021
  • ...ed with controls. In addition, accumulation of 3-NT paralleled the hypoxia gradient ''in vivo'' and 3-NT levels were increased in mitochondrial proteins. Liver
    3 KB (396 words) - 14:10, 16 June 2015
  • ...emia or together with reperfusion, normal electron fluxes, electrochemical gradient for protons and ATP synthesis were almost completely preserved, and mitocho
    3 KB (433 words) - 16:55, 9 November 2017
  • ...ns to the electron transport chain, maintaining the electrochemical proton gradient across the mitochondrial inner membrane, and supporting ATP synthesis in ''
    3 KB (461 words) - 14:11, 4 April 2022
  • ...XPHOS capacity, which remains in excess to maximize the ''p''<sub>O2</sub> gradient from the red blood cell to cytochrome ''c'' oxidase.
    3 KB (422 words) - 11:10, 28 April 2017
  • ...hock were included. At days 1 and 7, PBMCs were isolated by Ficoll density gradient centrifugation. Mitochondrial respiration of intact septic PBMCs was assess
    3 KB (405 words) - 14:36, 5 July 2023
  • ...mitochondrial isolation were chosen (differential centrifugation, sucrose gradient separation, a commercial kit). Samples prepared with two different methods
    3 KB (440 words) - 14:57, 2 January 2019
  • ...r indirect role of CLPP in the process of mitochondrial protein synthesis. Gradient sedimentation analysis demonstrates an increase in the steady state levels
    3 KB (486 words) - 15:14, 13 November 2017
  • ...a. accumulation of pre-RNA and strongly decreased levels of mRNA). Sucrose gradient sedimentation analyzes suggest that yer''077cp'' might bind to a small subu
    3 KB (469 words) - 19:03, 17 August 2014
  • ...ub>). This electron transport is accompanied by the generation of a proton gradient across the membranes (ΔpH), allowing the production of ATP by ATP synthase
    4 KB (555 words) - 16:07, 8 August 2023
  • ...oxidase (CcO) is the only enzyme that utilizes oxygen to produce a proton gradient for ATP production in mitochondrial oxidative phosphorylation. Mammalian Cc
    3 KB (459 words) - 08:24, 28 September 2015
  • ...mitochondrial oxidative phosphorylation system (OXPHOS) – using the proton gradient generated by the respiratory chain it synthetizes approximately 90 % of cel
    4 KB (601 words) - 10:27, 19 January 2018
  • ...lations (Northern, Southern, and Hybrid) which reside over a large thermal gradient. During acute high temperature shifts (37 °C), liver mitochondria isolated
    3 KB (459 words) - 11:10, 28 April 2017
  • ..., and the activation of metabolic enzymes. Mitochondria maintain a calcium gradient between the matrix and the cytoplasm, via the actions of specific transport
    3 KB (472 words) - 11:26, 28 April 2017
  • #Rieger B, Junge W, Busch KB (2014) Lateral pH gradient between OXPHOS complex IV and F0F1 ATP-synthase in folded mitochondrial mem
    3 KB (487 words) - 16:01, 9 November 2016
  • ...mitochondria located in nerve cell terminals (synaptosomes) using Percoll gradient centrifugation from WT (C57BL/6J) and apoE KO (Apoetn1Unc) mice. Mitochondr
    4 KB (584 words) - 13:17, 23 January 2019
  • ...ifferent patterns in the gels. When palmitoyl-CoA was added to the sucrose gradient fractions containing OXPHOS supercomplexes in the presence of potassium cya
    4 KB (564 words) - 21:45, 10 September 2023
  • ...into mitochondria to the generation and subsequent dissipation of a proton gradient across the inner mitochondrial membrane, this electron transport chain driv
    4 KB (662 words) - 19:47, 6 November 2023
  • ...|UCP1]] acts as an [[uncoupler]] by dissipating the electrochemical proton gradient ([[mitochondrial membrane potential]]), generated by the [[electron transfe
    4 KB (559 words) - 14:23, 8 June 2020
  • ...outer membrane. Signalosomes were separated from mitochondria in a Percoll gradient and further purified to remove mitochondrial debris using Triton X-100 at 4
    4 KB (594 words) - 16:08, 15 February 2016
  • The impact of a lack of an electrochemical gradient substantiated by absence of glucose and presence of cyanide predisposing to
    4 KB (541 words) - 15:23, 9 November 2016
  • ...+</sup>/K<sup>+</sup> antiporter can be used to dissipate transmembrane pH gradient, which results in increased [[Mitochondrial membrane potential|mt-membrane
    4 KB (623 words) - 14:08, 6 September 2021
  • ...+</sup>/K<sup>+</sup> antiporter can be used to dissipate transmembrane pH gradient, which results in increased [[Mitochondrial membrane potential|mt-membrane
    5 KB (655 words) - 08:41, 30 September 2020
  • ...he successive combination of various separation media for multiple density gradient centrifugation steps, at optimized volumes and centrifugation settings. Nex
    5 KB (672 words) - 13:27, 3 April 2022
  • .../sup>+/K<sup>+</sup>+ antiporter can be used to dissipate transmembrane pH gradient, which results in increased [[Mitochondrial membrane potential|mt-membrane
    5 KB (697 words) - 15:58, 8 June 2020
  • ...diluted in equal volume of Phosphate Buffer Saline and layered on density-gradient media (Histopaque, Sigma Aldrich, MO, USA) before being centrifuged at 800g
    4 KB (556 words) - 23:56, 17 March 2019
  • ...mes) from wild-type (C57BL/6J) and ApoE KO (Apoetn1Unc) mice using Percoll gradient centrifugation. Oxygen consumption of permeabilized and nonpermeabilized sy
    4 KB (608 words) - 12:02, 23 January 2019
  • ...trength medium. Signalosomes were separated from mitochondria in a Percoll gradient and further purified to remove mitochondrial debris using Triton X-100 at 4
    5 KB (689 words) - 16:05, 15 February 2016
  • ...+</sup>/K<sup>+</sup> antiporter can be used to dissipate transmembrane pH gradient, which results in increased [[Mitochondrial membrane potential|mt-membrane
    5 KB (756 words) - 15:03, 17 September 2020
  • ...ear cells (PBMC) were isolated from whole blood (15 ml) using Ficoll dense gradient centrifugation. Total PBMC were cryopreserved in Mannheim and after thawing
    5 KB (643 words) - 14:50, 13 November 2017
  • ...I induction. Briefly, PBMCs were separated from whole blood by the density gradient centrifugation method using Histopaque solution. High-resolution respiromet
    4 KB (634 words) - 13:04, 7 March 2020
  • ...the force driving ATP synthesis, highlighting the complex electrochemical gradient's role. ...nt, T is temperature in Kelvin, F is Faraday's constant, and ΔpH is the pH gradient across the mitochondrial membrane. If Δψ = 150 mV, T = 310 K, and ΔpH =
    36 KB (5,157 words) - 12:10, 12 April 2024
  • ...function. Current thinking envisages tumor cells as compliant to an oxygen gradient within the tumor mass. Those cells on the periphery utilize oxygen whereas
    5 KB (664 words) - 16:44, 9 November 2017
  • ...concentration is maintained at zero, and diffuses along the concentration gradient from the stirred medium to the cathode, resulting in a linear calibration b
    6 KB (814 words) - 14:34, 8 August 2023
  • ...+</sup>/K<sup>+</sup> antiporter can be used to dissipate transmembrane pH gradient, which results in increased [[Mitochondrial membrane potential|mt-membrane
    6 KB (834 words) - 14:07, 6 September 2021
  • ...lls (PBMCs) were isolated from EDTA blood or heparinized blood via density gradient centrifugation (Histopaque, Sigma-Aldrich). The isolated fractions were sup
    6 KB (755 words) - 15:42, 3 November 2017
  • ...y be ascribed mainly to the flow of water, as such, under its own activity gradient, following
    6 KB (899 words) - 11:57, 9 May 2024
  • ...BMC were isolated from non-fasting EDTA-buffered whole blood using density gradient centrifugation procedures. Isolated intact PBMC were cryopreserved using st
    6 KB (818 words) - 08:42, 28 July 2022
  • ...arted 1 h after blood collection. PBMC were isolated in Ficoll-Pague™ PLUS gradient centrifugation medium using 50 mL Leucosep tubes [1]. Whole blood and isola
    5 KB (745 words) - 18:49, 10 January 2022
  • ...blood mononuclear cells (PBMCs) were isolated from EDTA blood via density gradient centrifugation (Histopaque, Sigma-Aldrich). The isolated fractions were sup
    5 KB (718 words) - 15:44, 3 November 2017
  • ...13:25 || 8.4. || '''1. Four protonmotive theorems''' || diffusive pressure gradient || pressure difference and potential difference || diffusive and electric p
    7 KB (787 words) - 09:15, 4 October 2022
  • ...ased with combustion of the macronutrients is stored initially as a proton gradient across a membrane. Subsequently, this stored energy is used to convert ADP
    7 KB (1,111 words) - 12:28, 2 April 2012
  • ...H. When PTP opening becomes long-lasting, it causes collapse of the proton gradient preventing ATP synthesis, as well as equilibration of ionic gradients and s
    6 KB (885 words) - 16:29, 4 September 2015
  • ...ysfunction. Current thinking considers tumor cells as adapted to an oxygen gradient within the tumor mass. Those cells exposed to oxygen will utilize the gas a
    7 KB (983 words) - 11:16, 8 June 2020
  • ...flux and velocity: stationary state of diffusion in a linear concentration gradient.]]
    9 KB (1,076 words) - 13:10, 18 October 2022
  • ...ere isolated from ethylenediamine tetraacetic acid (EDTA) blood by density gradient centrifugation (Histopaque, Sigma-Aldrich). The isolated fractions were sup
    8 KB (988 words) - 14:35, 12 January 2018
  • ...by titration of established uncouplers (FCCP, DNP), to decrease the proton gradient across the mitochondrial inner membrane and measure the capacity of the ele
    8 KB (1,056 words) - 10:11, 23 May 2022
  • ...L''''' = '''''u'''''·'''''c''''' in continuous transport processes along a gradient ('''''c''''' is the local concentration), or ''L'' = ''u''·''α'' (''α''
    9 KB (1,277 words) - 11:35, 24 October 2022
  • ...ive. In this non-phosphorylating resting state, the electrochemical proton gradient is increased to a maximum, exerting feedback control by depressing oxygen f
    12 KB (1,658 words) - 01:03, 31 December 2020
  • ...hell's four modules to four protonmotive theorems''' || diffusive pressure gradient || pressure difference and potential difference || diffusive and electric p
    13 KB (1,719 words) - 09:08, 3 October 2022
  • ...production at some intermediary ''p''<sub>O2</sub> levels along the oxygen gradient.
    23 KB (3,156 words) - 08:57, 18 May 2022
  • ...r respiratory experiments with respect to existing methods such as density gradient centrifugation 20 are that the method is quick and mitochondria are isolate :::::: Ref 29: "However, the use of tissue homogenization/density gradient centrifugation to isolate mitochondria is a disadvantage, as it may influen
    52 KB (7,111 words) - 14:50, 13 January 2023
  • ...ethods on mitochondrial respiration of platelets: apheresis versus density gradient centrifugation'''<br>
    85 KB (11,819 words) - 14:18, 10 January 2022
  • ...me, Demaurex Nicolas (2011) Dynamic regulation of the mitochondrial proton gradient during cytosolic calcium elevations. - [[Poburko 2011 J Biol Chem |»Biobla
    89 KB (12,074 words) - 17:54, 6 May 2024