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, and other evidence indicates a reaction center function in photosystem II. Calcium in reaction center II may be tightly bound in chloroplasts and weakly bound in blue-green algal thylakoids. Free calcium concentration in stroma is probably less than 10(-6) M, although the absolute concentration is not yet known. Intrathylakoid calcium content is likely very high. Stromal calcium may regulate several enzyme activities, while intrathylakoid calcium may promote photosystem II constitutively. Results to date demonstrate the need for more attention to cation composition in studies of both light and dark reactions of photosynthesis, and the need to identify free calcium levels in chloroplasts.
journal_name
J Bioenerg Biomembrjournal_title
Journal of bioenergetics and biomembranesauthors
Brand JJ,Becker DWdoi
10.1007/BF00744278subject
Has Abstractpub_date
1984-08-01 00:00:00pages
239-49issue
4eissn
0145-479Xissn
1573-6881journal_volume
16pub_type
杂志文章,评审abstract::Huntington's disease (HD) is an inheritable neurological disorder coursing with degeneration of basal ganglia and producing chorea and dementia. One common factor accounting for neurodegeneration in this disorder is mitochondrial deterioration at both morphologic and functional levels. The development of experimental ...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-010-9289-4
更新日期:2010-06-01 00:00:00
abstract::The fungal plasma membrane contains a proton-translocating ATPase that is closely related, both structurally and functionally, to the [Na+, K+]-, [H+, K+]-, and [Ca2+]-ATPases of animal cells, the plasma-membrane [H+]-ATPase of higher plants, and several bacterial cation-transporting ATPases. This review summarizes cu...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1007/BF00808117
更新日期:1989-10-01 00:00:00
abstract::Succinate-driven reverse electron transport (RET) is one of the main sources of mitochondrial reactive oxygen species (mtROS) in ischemia-reperfusion injury. RET is dependent on mitochondrial membrane potential (Δψm) and transmembrane pH difference (ΔpH), components of the proton motive force (pmf); a decrease in Δψm ...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-018-9766-8
更新日期:2018-10-01 00:00:00
abstract::Recent studies of isolated muscle membrane have enabled induction and monitoring of rapid Ca2+ release from sarcoplasmic reticulum (SR)5 in vitro by a variety of methods. On the other hand, various proteins that may be directly or indirectly involved in the Ca2+ release mechanism have begun to be unveiled. In this min...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1007/BF00812071
更新日期:1989-04-01 00:00:00
abstract::Recent progress regarding the structure of the Ca(2+)-translocating ATPase of sarcoplasmic reticulum in several conformational states, and a substantial accumulation of biochemical information about this and other P-type ATPases, have put everything in place for the final convergence of biochemistry and structure that...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1023/a:1024641413205
更新日期:2003-06-01 00:00:00
abstract::The rapid formation (in less than 45 min) of internal septa and the apparent subdivision in situ of mitochondria for cardiac and skeletal muscle are described following a variety of experimental treatments. For example, the ionophore A23187, caffeine, DNP, ruthenium red, and the insecticide lindane have been applied t...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/BF00745010
更新日期:1980-04-01 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
pub_type: 杂志文章
doi:10.1007/s10863-005-4128-8
更新日期:2005-04-01 00:00:00
abstract::Electron transport from Photosystem II to Photosystem I of spinach chloroplasts can be stimulated by bicarbonate and various carbonyl or carboxyl compounds. Monovalent or divalent cations, which have hitherto been implicated in the energy distribution between the two photosystems, i.e., "spillover" phenomena at low li...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/BF00744683
更新日期:1980-08-01 00:00:00
abstract::The Mg2+ dependent asymmetry of the F(1)-ATPase catalytic sites leads to the differences in affinity for nucleotides and is an essential component of the binding-change mechanism. Changes in metal ligands during the catalytic cycle responsible for this asymmetry were characterized by vanadyl (V(IV) + O)2+, a functiona...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1023/a:1005629427630
更新日期:2000-10-01 00:00:00
abstract::The small alkylating molecule, 3-bromopyruvate (3BP), is a potent and specific anticancer agent. 3BP is different in its action from most currently available chemo-drugs. Thus, 3BP targets cancer cells' energy metabolism, both its high glycolysis ("Warburg Effect") and mitochondrial oxidative phosphorylation. This inh...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-012-9417-4
更新日期:2012-02-01 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
pub_type: 杂志文章,评审
doi:10.1007/s10863-008-9167-5
更新日期:2008-10-01 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
pub_type: 杂志文章
doi:10.1007/BF00748958
更新日期:1976-06-01 00:00:00
abstract::Thirteen different polypeptide subunits, each in one copy, five phosphatidyl ethanolamines and three phosphatidyl glycerols, two hemes A, three Cu ions, one Mg ion, and one Zn ion are detectable in the crystal structure of bovine heart cytochrome c oxidase in the fully oxidized form at 2.8 A resolution. A propionate o...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1023/a:1020595108560
更新日期:1998-02-01 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
pub_type: 杂志文章,评审
doi:10.1007/BF00743612
更新日期:1986-02-01 00:00:00
abstract::NYGGF4 (also called PID1) is a recently discovered gene that is involved in obesity-related insulin resistance (IR). We aimed in the present study to further elucidate the effects of NYGGF4 on IR and the underlying mechanisms through using metformin treatment in 3T3-L1 adipocytes. Our data showed that the metformin pr...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-012-9472-x
更新日期:2012-12-01 00:00:00
abstract::A rapid loss of accumulated Ca2+ is produced by addition of H+ to isolated heart mitochondria. The H+-dependent Ca+ efflux requires that either (a) the NAD(P)H pool of the mitochondrion be oxidized, or (b) the endogenous adenine nucleotides be depleted. The loss of Ca2+ is accompanied by swelling and loss of endogenou...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/BF00743069
更新日期:1982-12-01 00:00:00
abstract::Copper transporting P-type ATPases, designated ATP7A and ATP7B, play an essential role in mammalian copper balance. Impaired intestinal transport of copper, resulting from mutations in the ATP7A gene, lead to Menkes disease in humans. Defects in a similar gene, the copper transporting ATPase ATP7B, result in Wilson di...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1023/a:1021293818125
更新日期:2002-10-01 00:00:00
abstract::The electrolyte-pigment-metal system can be described as analogous to a photosensitive junction region. When the thickness of the pigment film is increased, the action spectra of the maximum short-circuit photo-current under continuous illumination differ from the absorption spectra both in direct illumination (pigmen...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/BF00750283
更新日期:1976-08-01 00:00:00
abstract::High-conductance calcium-activated potassium (maxi-K) channels comprise a specialized family of K+ channels. They are unique in their dual requirement for depolarization and Ca2+ binding for transition to the open, or conducting, state. Ion conduction through maxi-K channels is blocked by a family of venom-derived pep...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1007/BF02110699
更新日期:1996-06-01 00:00:00
abstract::Available data indicate that minocycline, an antibiotic of the tetracycline family, has cytoprotective properties due to a direct interaction with mitochondria. Yet, the data in the case of isolated mitochondria suggest discrepant or even detrimental effect(s) of the interaction. We have studied the cytoprotective act...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-012-9441-4
更新日期:2012-06-01 00:00:00
abstract::Gap junction channels have long been viewed as static structures containing a large-diameter, aqueous pore. This pore has a high permeability to hydrophilic molecules of approximately 900 daltons in molecular weight and a weak ionic selectivity. The evidence leading to these conclusions is reviewed in the context of m...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1007/BF02110109
更新日期:1996-08-01 00:00:00
abstract::F1-ATPases transiently entrap inhibitory MgADP in a catalytic site during turnover when noncatalytic sites are not saturated with ATP. An initial burst of ATP hydrolysis rapidly decelerates to a slow intermediate rate that gradually accelerates to a final steady-state rate. Transition from the intermediate to the fina...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1007/BF02113985
更新日期:1996-10-01 00:00:00
abstract::Mitochondria, isolated from the ubiquinone-deficient nuclear mutant of Saccharomyces cerevisiae E3-24, are practically unable to oxidize exogenous substrates. Respiratory activity, coupled to ATP synthesis, can, however, be reconstituted by the simple addition of ethanolic solutions of ubiquinones. A minimal length of...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/BF00745017
更新日期:1982-06-01 00:00:00
abstract::Mitochondrial porin facilitates the diffusion of small hydrophilic molecules across the mitochondrial outer membrane. Despite low sequence similarity among porins from different species, a "glycine-leucine-lysine" (GLK) motif is conserved in mitochondrial and Neisseria porins. To investigate the possible roles of thes...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1023/a:1005618510502
更新日期:2000-12-01 00:00:00
abstract::Methylmalonic acidemia is one of the most prevalent inherited metabolic disorders involving neurological deficits. In vitro experiments, animal model studies and tissue analyses from human patients suggest extensive impairment of mitochondrial energy metabolism in this disease. This review summarizes changes in mitoch...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1007/s10863-011-9330-2
更新日期:2011-02-01 00:00:00
abstract::A series of amphiphilic polymethlyenecarboxymaleimides has been synthesized for use as sulfhydryl reagents applicable to membrane proteins. Physical properties of the compounds which are relevant to their proposed mode of action have been determined. By comparing rates of reaction in aqueous and aprotic solvents, the ...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/BF00809072
更新日期:1990-10-01 00:00:00
abstract::Although the "Warburg effect", i.e., elevated glucose metabolism to lactic acid (glycolysis) even in the presence of oxygen, has been recognized as the most common biochemical phenotype of cancer for over 80 years, its biochemical and genetic basis remained unknown for over 50 years. Work focused on elucidating the un...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 社论
doi:10.1007/s10863-012-9425-4
更新日期:2012-02-01 00:00:00
abstract::The role of brain and liver mitochondria at epileptic seizure was studied on Krushinsky-Molodkina (KM) rats which respond to sound with an intensive epileptic seizure (audiogenic epilepsy). We didn't find significant changes in respiration rats of brain and liver mitochondria of KM and control rats; however the effici...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-016-9693-5
更新日期:2017-04-01 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
pub_type: 杂志文章,评审
doi:10.1007/BF00762676
更新日期:1992-04-01 00:00:00
abstract::The induction of millisecond delayed fluorescence mediated by PS I-dependent proton pumping has been used as an indicator of the time course with which those protons equilibrate with sites on the oxygen-evolving enzyme complex (Bowes, J. M., and Crofts, A. R. (1978). Z. Naturforsch. 33C, 271-275). We found that the in...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/BF00769732
更新日期:1987-02-01 00:00:00