Abstract:
:Many oxidoreductases are constructed from (a) local sites of strongly coupled substrate-redox cofactor partners participating in exchange of electron pairs, (b) electron pair/single electron transducing redox centers, and (c) nonadiabatic, long-distance, single-electron tunneling between weakly coupled redox centers. The latter is the subject of an expanding experimental program that seeks to manipulate, test, and apply the parameters of theory. New results from the photosynthetic reaction center protein confirm that the electronic-tunneling medium appears relatively homogeneous, with any variances evident having no impact on function, and that control of intraprotein rates and directional specificity rests on a combination of distance, free energy, and reorganization energy. Interprotein electron transfer between cytochrome c and the reaction center and in lactate dehydrogenase, a typical oxidoreductase from yeast, are examined. Rates of interprotein electron transfer appear to follow intraprotein guidelines with the added essential provision of binding forces to bring the cofactors of the reacting proteins into proximity.
journal_name
J Bioenerg Biomembrjournal_title
Journal of bioenergetics and biomembranesauthors
Moser CC,Page CC,Farid R,Dutton PLdoi
10.1007/BF02110096subject
Has Abstractpub_date
1995-06-01 00:00:00pages
263-74issue
3eissn
0145-479Xissn
1573-6881journal_volume
27pub_type
杂志文章,评审abstract::The development of new anti-neoplastic drugs is a key issue for cancer chemotherapy due to the reality that, most likely, certain cancer cells are resistant to current chemotherapy. The past two decades have witnessed tremendous advances in our understanding of the pathogenesis of cancer. These advances have allowed i...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-012-9489-1
更新日期:2013-02-01 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
pub_type: 杂志文章,评审
doi:10.1023/a:1025780932403
更新日期:2003-08-01 00:00:00
abstract::Affinity labeling and genetic studies on the glycine-rich sequence of the beta subunit of E. coli F-type ATPase are discussed. A model of the structure of the enzyme near the gamma phosphate moiety is proposed. ...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1007/BF00762363
更新日期:1992-10-01 00:00:00
abstract::The plasma membrane-enriched fraction isolated from smooth muscle of rat gastric fundus was found to contain a substantial level of potassium-stimulated p-nitrophenylphosphatase activity (K-pNPPase), and its subcellular distribution closely resembled that of other plasma membrane enzyme markers. The kinetic profile of...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/BF00743050
更新日期:1986-08-01 00:00:00
abstract::Advanced glycation end products (AGEs) and methylglyoxal (MG), an important intermediate in AGEs synthesis, are thought to contribute to protein aging and to the pathogenesis of age-and diabetes-associated complications. This study was intended to investigate brain mitochondria bioenergetics and oxidative status of ra...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-014-9551-2
更新日期:2014-10-01 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::The serotonergic system plays a crucial role in the energy balance regulation. Energy balance is mediated by food intake and caloric expenditure. Thus, the present study investigated the mechanisms that might be associated with fluoxetine treatment-induced weight reduction. Wistar male rat pups received daily injectio...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-015-9617-9
更新日期:2015-08-01 00:00:00
abstract::Hepatic iron toxicity because of iron overload seems to be mediated by lipid peroxidation of biological membranes and the associated organelle dysfunctions. However, the basic mechanisms underlying this process in vivo are still little understood. Gerbils were dosed with weekly injections of iron-dextran alone or in c...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1023/a:1005512014280
更新日期:2000-04-01 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::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::Results are presented which, taken with evidence developed by others, suggest a general mechanism for the entry and binding of exogenous ligands (including O2) at the "binuclear site" (CuBFea3) of the heme-copper oxidases. The mechanism includes a "ligand shuttle" wherein the obligatory way station for incoming ligand...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1007/BF00762859
更新日期:1993-04-01 00:00:00
abstract::NM23s (or NDP kinases) regulate a fascinating variety of cellular activities, including proliferation, development, and differentiation. All these processes are modulated by external stimuli, leading to the idea that this family of proteins modulates transmembrane signaling pathways. This review summarizes the evidenc...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1023/a:1005589029959
更新日期:2000-06-01 00:00:00
abstract::The cystic fibrosis transmembrane conductance regulator (CFTR) forms an anion-selective channel involved in epithelial chloride transport. Recent studies have provided new insights into the structural determinants of the channel's functional properties, such as anion selectivity, single-channel conductance, and gating...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1023/a:1022482923122
更新日期:1997-10-01 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::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
pub_type: 杂志文章,评审
doi:10.1007/BF00762301
更新日期:1987-12-01 00:00:00
abstract::Epilepsy is a neurological disorder characterized by spontaneous, recurrent and paroxysmal cerebral discharge, clinically leading to persistent alterations in function and morphology of neurons. Oxidative stress is one of possible mechanisms in the pathogenesis of epilepsy. Oxidative stress resulting from mitochondria...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1007/s10863-010-9317-4
更新日期:2010-12-01 00:00:00
abstract::ATP1-111, a suppressor of the slow-growth phenotype of yme1Delta lacking mitochondrial DNA is due to the substitution of phenylalanine for valine at position 111 of the alpha-subunit of mitochondrial ATP synthase (Atp1p in yeast). The suppressing activity of ATP1-111 requires intact beta (Atp2p) and gamma (Atp3p) subu...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-007-9071-4
更新日期:2007-04-01 00:00:00
abstract::The ATP synthase of the yeast Saccharomyces cerevisiae is composed of 20 different subunits whose primary structure is known. The organization of proteins that constitute the membranous domain is now under investigation. Cysteine insertions combined with the use of nonpermeant maleimide reagents and cross-linking reag...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1023/a:1005580020547
更新日期:2000-08-01 00:00:00
abstract::The F1F0 complex of Paracoccus denitrificans (PdF1F0) is the fastest ATP synthase but the slowest ATPase. Sulfite exerts maximal activation of the PdF1F0-ATPase (Pacheco-Moisés, F., García, J. J., Rodríguez-Zavala, J. S., and Moreno-Sánchez, R. (2000). Eur J. Biochem. 267, 993-1000) but its effect on the PdF1F0-ATP sy...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1023/a:1020252401675
更新日期:2002-08-01 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
pub_type: 杂志文章,评审
doi:10.1023/a:1022407116339
更新日期:1997-08-01 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::Mitochondrial impairment has been collecting more and more attention as a contributing factor to the etiology of Parkinson's disease. Above all, the NADH-quinone oxidoreductase, complex I, of the respiratory chain seems to be most culpable. Complex I dysfunction is translated to an increased production of reactive oxy...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1007/s10863-009-9249-z
更新日期:2009-12-01 00:00:00
abstract::At present there is a poor understanding of the events that lead up to neuronal apoptosis that occurs in neurodegenerative diseases and following acute ischemic episodes. Apoptosis is critical for the elimination of unwanted neurons within the developing nervous system. The Bcl-2 family of proteins contains pro- and a...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1023/B:JOBB.0000041756.23918.11
更新日期:2004-08-01 00:00:00
abstract::Subunit II of cytochrome c oxidase (Cox2) is usually encoded in the mitochondrial genome, synthesized in the organelle, inserted co-translationally into the inner mitochondrial membrane, and assembled into the respiratory complex. In chlorophycean algae however, the cox2 gene was split into the cox2a and cox2b genes, ...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-017-9728-6
更新日期:2017-12-01 00:00:00
abstract::The formation of paracrystalline inclusions in mitochondria following postmortem aging in situ is further investigated. Inclusions are found to localize either in the mitochondrial intracristal space or between the inner and outer membrane. The greater majority of the inclusions are of the intracristal type. pH is not...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/BF00743275
更新日期:1977-04-01 00:00:00
abstract::As the terminal component of the mitochondrial respiratory chain, cytochrome c oxidase plays a vital role in cellular energy transformation. Human cytochrome c oxidase is composed of 13 subunits. The three major subunits form the catalytic core and are encoded by mitochondrial DNA (mtDNA). The remaining subunits are n...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章,评审
doi:10.1023/a:1022638013825
更新日期:1997-04-01 00:00:00
abstract::Human mast cell tryptase has been shown as an activating enzyme in matrix degradation process. The previous study suggest that tryptase either alone or in joining with activation of metalloproteinases, can associate in extra cellular matrix damage and the possible destruction of the basement membrane resulting in phot...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-018-9777-5
更新日期:2018-12-01 00:00:00
abstract::The advantages of using bacterial systems to study the mechanism and function of cytochrome bc (1) complexes do not extend readily to their structural investigations. High quality crystals of bacterial complexes have been difficult to obtain despite the enzymes' smaller sizes and simpler subunit compositions compared ...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-008-9180-8
更新日期:2008-10-01 00:00:00
abstract::Renal artery clamping itself induces renal ischemia which subsequently causes renal cell injury and can lead to renal failure. The duration of warm ischemia that would be safe for postoperative kidney function during partial nephrectomy remains under investigations. Mitochondria play an important role in pathophysiolo...
journal_title:Journal of bioenergetics and biomembranes
pub_type: 杂志文章
doi:10.1007/s10863-016-9643-2
更新日期:2016-02-01 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
pub_type: 杂志文章
doi:10.1023/a:1010704715979
更新日期:2001-04-01 00:00:00