The energy-conserving and energy-dissipating processes in mitochondria isolated from wild type and nonripening tomato fruits during development on the plant.

abstract：:The topology of beef heart Complex III has been studied by tryptic and chymotryptic digestion of isolated Complex III, Mg2+-ATP submitochondrial particles, and mitoplasts. Degradation products were detected by the immunoreplication technique using specific antibodies against core protein 1 (50 K) and core protein 2 (4...

journal_title：Journal of bioenergetics and biomembranes

authors： Mendel-Hartvig I,Nelson BD

更新日期：1983-02-01 00:00:00

abstract：:It is proven that any model of localized protonmotive energy coupling that relies upon properties of a homogeneous surface phase must, when operated in the steady state, lead to bulk phase electrochemical potentials for protons that are as large as those required by the delocalized chemiosmotic theory. To obtain model...

journal_title：Journal of bioenergetics and biomembranes

authors： Nagle JF,Dilley RA

更新日期：1986-02-01 00:00:00

abstract：:Liver mitochondria isolated from rats 24 h after a single subcutaneous injection of 8 mg thyroxine per kilogram body weight were compared with those isolated from control rats that received injections of isotonic saline at the same time. The mitochondria isolated from the thyroxine-treated rats show higher rates of en...

journal_title：Journal of bioenergetics and biomembranes

authors： Shears SB,Bronk JR

更新日期：1980-12-01 00:00:00

abstract：:Phospholysine phosphohistidine inorganic pyrophosphate phosphatase (LHPP) has been recently identified as a novel inhibitor of multiple tumors; however, its role in glioblastoma (GBM) has not been investigated. This study aimed to evaluate whether LHPP exerts a potential tumor-inhibiting role in GBM. Compared with tha...

journal_title：Journal of bioenergetics and biomembranes

authors： Li C,Yang J,Wang W,Li R

更新日期：2021-02-01 00:00:00

abstract：:First, halorhodopsin is capable of pumping protons after illumination with green and blue light in the same direction as chloride. Second, mutated bacteriorhodopsin where the proton acceptor Asp85 and the proton donor Asp96 are replaced by Asn showed proton pump activity after illumination with blue light in the same ...

journal_title：Journal of bioenergetics and biomembranes

authors： Oesterhelt D,Tittor J,Bamberg E

更新日期：1992-04-01 00:00:00

abstract：:The P515 absorbance change upon single-turnover light flashes has been studied in intact leaves and isolated chloroplasts from spinach. A comparative study of the effects of preillumination on the kinetics of the P515 response and on the activity of the chloroplast ATPase has been made. The slow component (reaction 2)...

journal_title：Journal of bioenergetics and biomembranes

authors： Peters RL,Bossen M,van Kooten O,Vredenberg WJ

更新日期：1983-12-01 00:00:00

abstract：:The topic of human adult neural plasticity and neurogenesis is of great interest for medical and scientific community, but it is also largely debated. In the last years, an increasing interest has been paid to the olfactory system, and particularly to the plasticity of the olfactory bulb (OB). While the molecular/cell...

journal_title：Journal of bioenergetics and biomembranes

authors： Huart C,Rombaux P,Hummel T

更新日期：2019-02-01 00:00:00

abstract：:This paper presents results of experiments designed to further purify the membrane system involved in mitochondrial calcium transport. A partially purified extract, which transported calcium with a specific activity of 1194 nmol 45Ca2+/mg protein/5 min, was used to obtain mouse hyperimmune serum. This serum inhibited ...

journal_title：Journal of bioenergetics and biomembranes

authors： Zazueta C,Massò F,Paez A,Bravo C,Vega A,Montaño L,Vázquez M,Ramírez J,Chávez E

更新日期：1994-10-01 00:00:00

abstract：:The organization of the oxidative phosphorylation (OXPHOS) system within the inner mitochondrial membrane appears to be far more complicated than previously thought. In particular, the individual protein complexes of the OXPHOS system (complexes I to V) were found to specifically interact forming defined supramolecula...

journal_title：Journal of bioenergetics and biomembranes

authors： Dudkina NV,Sunderhaus S,Boekema EJ,Braun HP

更新日期：2008-10-01 00:00:00

abstract：:Gramicidin A forms ion-conducting channels which can traverse the hydrocarbon core of lipid bilayer membranes. The structures formed by gramicidin A are among the best characterized of all membrane-bound polypeptides or proteins. In this review a brief summary is given of the occurrence, conformation, and synthesis of...

journal_title：Journal of bioenergetics and biomembranes

authors： Cornell B

更新日期：1987-12-01 00:00:00

abstract：:Traditionally, mitochondria have been viewed as the "powerhouse" of the cell, i.e., the site of the oxidative phosphorylation machinery involved in ATP production. Consequently, much of the research conducted on mitochondria over the past 4 decades has focused on elucidating both those molecular events involved in ATP...

journal_title：Journal of bioenergetics and biomembranes

authors： Pedersen PL

更新日期：1999-08-01 00:00:00

abstract：:The presence of additional subunits in cytochrome oxidase distinguish the multicellular eukaryotic enzyme from that of a simple unicellular bacterial enzyme. The number of these additional subunits increases with increasing evolutionary stage of the organism. Subunits I-III of the eukaryotic enzyme are related to the ...

journal_title：Journal of bioenergetics and biomembranes

authors： Kadenbach B,Stroh A,Hüther FJ,Reimann A,Steverding D

更新日期：1991-04-01 00:00:00

abstract：:In the present study we have observed a higher state of coupling in respiring mitochondria isolated from green as compared to red tomatoes (Lycopersicon esculentum, Mill.). Green tomato mitochondria produced a membrane potential (deltapsi) high enough to phosphorylate ADP, whereas in red tomato mitochondria, BSA and A...

journal_title：Journal of bioenergetics and biomembranes

authors： Costa AD,Nantes IL,Jezek P,Leite A,Arruda P,Vercesi AE

更新日期：1999-10-01 00:00:00

abstract：:Cytoplasmic organelles with an acidic luminal pH include vacuoles, coated vesicles, lysosomes, the Golgi apparatus, and synaptic vesicles. Acidic compartments are also known outside specialized cells such as osteoclasts. The unique acidic pH is formed by V-ATPase (Vacuolar type ATPase), other ion transporters, and the...

journal_title：Journal of bioenergetics and biomembranes

authors： Sun-Wada GH,Wada Y,Futai M

更新日期：2003-08-01 00:00:00

abstract：:Calcium may function directly in several aspects of photosynthesis. It appears to modulate activity of the phosphatase enzymes in the carbon reduction cycle and also to regulate chloroplast NAD+ kinase activity through a calmodulin-like protein. Some evidence supports a calcium function in the water-splitting complex,...

journal_title：Journal of bioenergetics and biomembranes

authors： Brand JJ,Becker DW

更新日期：1984-08-01 00:00:00

abstract：:Defects in Complex I of the mitochondrial respiratory chain have been identified in 38 patients. The clinical and laboratory features are reviewed and the results of recently devised strategies aimed at characterizing the primary molecular and genetic abnormalities are presented. Although not exhaustive, these studies...

journal_title：Journal of bioenergetics and biomembranes

authors： Morgan-Hughes JA,Schapira AH,Cooper JM,Clark JB

更新日期：1988-06-01 00:00:00

abstract：:Evidence suggests membrane bound F(1)F(0)-ATPase complexes form stable associations such that dimers can be retrieved from detergent lysates of mitochondria isolated from a range of sources including algae, higher plants, yeast and bovine heart, and plant chloroplasts. The physiological relevance of these interactions...

journal_title：Journal of bioenergetics and biomembranes

authors： Gavin PD,Prescott M,Devenish RJ

更新日期：2005-04-01 00:00:00

abstract：:Conformational changes within the subunit b-dimer of the E. coli ATP synthase occur upon binding to the F(1) sector. ESR spectra of spin-labeled b at room temperature indicated a pivotal point in the b-structure at residue 62. Spectra of frozen b +/- F(1) and calculated interspin distances suggested that where contact...

journal_title：Journal of bioenergetics and biomembranes

authors： Zaida TM,Hornung T,Volkov OA,Hoffman AD,Pandey SJ,Wise JG,Vogel PD

更新日期：2008-12-01 00:00:00

abstract：:Both cellular proliferation and apoptosis (programmed cell death) have been claimed to be modulated, perhaps even triggered by, changes in intracellular pH. In this review, we summarize the evidence that gave rise to these hypotheses. To facilitate a critical appraisal of the existing data, we briefly review the main ...

journal_title：Journal of bioenergetics and biomembranes

authors： Shrode LD,Tapper H,Grinstein S

更新日期：1997-08-01 00:00:00

abstract：:The state-3 rate of respiration of potato tuber mitochondria is inhibited by concentrations of KCl or NaCl above 125 mM, and by concentrations of sucrose, lactose, or maltose above 500 mM, but not at all by mannitol, glucose, glycine, or proline up to a concentration of 1500 mM in the medium. Mitochondria from caulifl...

journal_title：Journal of bioenergetics and biomembranes

authors： Campbell LC,Raison JK,Brady CJ

更新日期：1976-06-01 00:00:00

abstract：:The proton/hydroxide (H+/OH-) permeability of phospholipid bilayer membranes at neutral pH is at least five orders of magnitude higher than the alkali or halide ion permeability, but the mechanism(s) of H+/OH- transport are unknown. This review describes the characteristics of H+/OH- permeability and conductance throu...

journal_title：Journal of bioenergetics and biomembranes

authors： Gutknecht J

更新日期：1987-10-01 00:00:00

abstract：:The possibility is analyzed that the pH of the water space localized inside the invagination of a membrane can differ from the pH of the external bulk buffer outside the invagination. The proton flow responsible for decreased pH values inside mitochondrial cristae and membrane invaginations of cyanobacteria has been c...

journal_title：Journal of bioenergetics and biomembranes

authors： Kara-Ivanov M

更新日期：1983-06-01 00:00:00

abstract：:During fermentation Escherichia coli transport succinate mainly via Dcu family carriers. Current paper describes the role of externally added succinate on N'N'-dicyclohexylcarbodiimide (DCCD) sensitive ATPase activity and H+ flux depending on potassium ions. At pH 7.5 in wild type membrane vesicles DCCD-sensitive ATPa...

journal_title：Journal of bioenergetics and biomembranes

authors： Mikoyan G,Karapetyan L,Vassilian A,Trchounian A,Trchounian K

更新日期：2020-10-01 00:00:00

abstract：:Plasma membranes isolated from pig liver contained almost no acid sphingomyelinase but significant neutral magnesium-dependent sphingomyelinase that was activated by phosphatidylserine. We report here the purification to apparent homogeneity of neutral sphingomyelinase of about 87 kDa from liver plasma membranes. The ...

journal_title：Journal of bioenergetics and biomembranes

authors： Martín SF,Navarro F,Forthoffer N,Navas P,Villalba JM

更新日期：2001-04-01 00:00:00

abstract：:Porin or voltage-dependent anion-selective channel (VDAC) is the main protein responsible for the high permeability of the outer mitochondrial membrane. The mitochondrial porin is mainly composed of sided beta-strands, in analogy with bacterial porin, whose structure has been resolved at 1.8 A resolution. In mitochond...

journal_title：Journal of bioenergetics and biomembranes

authors： De Pinto VD,Palmieri F

更新日期：1992-02-01 00:00:00

abstract：:Cyclosporin A (CsA) is highly neuroprotective in several animal models of acute neurological damage and neurodegenerative disease with inhibition of the mitochondrial permeability transition (mPT) having emerged as a possible mechanism for the observed neuroprotection. In the present study, we have evaluated two new n...

journal_title：Journal of bioenergetics and biomembranes

authors： Hansson MJ,Mattiasson G,Månsson R,Karlsson J,Keep MF,Waldmeier P,Ruegg UT,Dumont JM,Besseghir K,Elmér E

更新日期：2004-08-01 00:00:00

abstract：:Hundreds of proteins in the nervous system are modified by the monosaccharide O-GlcNAc. A single protein is often O-GlcNAcylated on several amino acids and the modification of a single site can play a crucial role for the function of the protein. Despite its complexity, only two enzymes add and remove O-GlcNAc from pr...

journal_title：Journal of bioenergetics and biomembranes

authors： Lagerlöf O

更新日期：2018-06-01 00:00:00

abstract：:We studied the importance of respiratory fitness in S. cerevisiae lifespan, response to caloric restriction (CR) and mtDNA stability. Mutants harboring mtDNA instability and electron transport defects do not respond to CR, while tricarboxylic acid cycle mutants presented extended lifespans due to CR. Interestingly, mt...

journal_title：Journal of bioenergetics and biomembranes

authors： Tahara EB,Cezário K,Souza-Pinto NC,Barros MH,Kowaltowski AJ

更新日期：2011-10-01 00:00:00

abstract：:Bacillus subtilis has a bifurcated respiratory chain composed of a cytochrome branch and a quinol oxidase branch. The respiratory complexes of this bacterium have been elucidated mostly by the analysis of the genome and by the isolation of individual complexes. The supramolecular organization of this respiratory chain...

journal_title：Journal of bioenergetics and biomembranes

authors： García Montes de Oca LY,Chagolla-López A,González de la Vara L,Cabellos-Avelar T,Gómez-Lojero C,Gutiérrez Cirlos EB

更新日期：2012-08-01 00:00:00

abstract：:A great deal of progress has been made in understanding both the structure and the mechanism of F1-ATPase. The primary structure is now fully known for at least five species. Sequence comparison between chloroplast, photobacteria, aerobic bacteria, and mitochondrial representatives allow us to infer more general funct...

journal_title：Journal of bioenergetics and biomembranes

authors： Ysern X,Amzel LM,Pedersen PL

更新日期：1988-08-01 00:00:00