Protonmotive pathways and mechanisms in the cytochrome bc1 complex.

abstract：:alpha-Dystroglycan was quantitatively enriched from mammalian brain based on its uniform reactivity with Vicia villosa agglutinin and resolved into sub-populations possessing or lacking the sulfated glucuronic acid epitope recognized by monoclonal antibody HNK-1. We generated a new monoclonal antibody specific for a g...

journal_title：FEBS letters

authors： McDearmon EL,Combs AC,Sekiguchi K,Fujiwara H,Ervasti JM

更新日期：2006-06-12 00:00:00

abstract：:Although bird species studied thus far have no distinct brown adipose tissue (BAT) or a related thermogenic tissue, there is now strong evidence that non-shivering mechanisms in birds may play an important role during cold exposure. Recently, increased expression of the duckling homolog of the avian uncoupling protein...

journal_title：FEBS letters

authors： Toyomizu M,Ueda M,Sato S,Seki Y,Sato K,Akiba Y

更新日期：2002-10-09 00:00:00

abstract：:Systemic AA-amyloidosis is a complication of chronic inflammatory diseases and the fibril protein AA derives from the acute phase reactant serum AA. AA-amyloidosis can be induced in mice by an inflammatory challenge. The lag phase before amyloid develops can be dramatically shortened by administration of a small amoun...

journal_title：FEBS letters

authors： Westermark GT,Westermark P

更新日期：2009-08-20 00:00:00

abstract：:Escherichia coli 50 S ribosomal subunits were reconstituted with and without protein L16 present. The latter particles, although active in puromycin reaction, were unable to use CACCA-Phe as an acceptor substrate. We also found that L16 interacts directly with this oligonucleotide and, in the complex with tRNA, protec...

journal_title：FEBS letters

authors： Maimets T,Remme J,Villems R

更新日期：1984-01-23 00:00:00

abstract：:LIMD1 is a tumour suppressor gene (TSG) down regulated in ∼80% of lung cancers with loss also demonstrated in breast and head and neck squamous cell carcinomas. LIMD1 is also a candidate TSG in childhood acute lymphoblastic leukaemia. Mechanistically, LIMD1 interacts with pRB, repressing E2F-driven transcription as we...

journal_title：FEBS letters

authors： Foxler DE,James V,Shelton SJ,Vallim TQ,Shaw PE,Sharp TV

更新日期：2011-04-06 00:00:00

abstract：:Ycf1p function is regulated by casein kinase 2α, Cka1p, via phosphorylation of Ser251. Cka1p-mediated phosphorylation of Ycf1p is attenuated in response to high salt stress. Previous results from our lab suggest a role for Ycf1p in cellular resistance to salt stress. Here, we show that Ycf1p plays an important role in...

journal_title：FEBS letters

authors： Paumi CM,Pickin KA,Jarrar R,Herren CK,Cowley ST

更新日期：2012-03-23 00:00:00

abstract：:Adenosine and ATP modulate cellular and tissue functions via specific P1 and P2 receptors, respectively. Although, in general, adenosine inhibits excitability and ATP functions as an excitatory transmitter in the central nervous system, little is known about the direct interaction between P1 and P2 receptors. We recen...

journal_title：FEBS letters

authors： Yoshioka K,Hosoda R,Kuroda Y,Nakata H

更新日期：2002-11-06 00:00:00

abstract：:Ca(2+) channels that underlie mitochondrial Ca(2+) transport first reported decades ago have now just recently been precisely characterized electrophysiologically. Numerous data indicate that mitochondrial Ca(2+) uptake via these channels regulates multiple intracellular processes by shaping cytosolic and mitochondria...

journal_title：FEBS letters

authors： Ryu SY,Beutner G,Dirksen RT,Kinnally KW,Sheu SS

更新日期：2010-05-17 00:00:00

abstract：:Epiregulin (EPR), a novel member of epidermal growth factor (EGF) family, is a ligand for ErbB-1 and ErbB-4 receptors. The binding affinity of EPR for the receptors is lower than those of other EGF-family ligands. The solution structure of EPR was determined using two-dimensional nuclear magnetic resonance spectroscop...

journal_title：FEBS letters

authors： Sato K,Nakamura T,Mizuguchi M,Miura K,Tada M,Aizawa T,Gomi T,Miyamoto K,Kawano K

更新日期：2003-10-23 00:00:00

abstract：:The collecting duct epithelium originates from the embryonic ureter by branching morphogenesis. Ontogeny-dependent changes of CFTR mRNA expression were assessed by quantitative reverse transcriptase-polymerase chain reaction (RT-PCR) in primary monolayer cultures of rat ureteric buds (UB) and cortical collecting ducts...

journal_title：FEBS letters

authors： Huber S,Braun G,Burger-Kentischer A,Reinhart B,Luckow B,Horster M

更新日期：1998-02-27 00:00:00

abstract：:Using time-resolved low-temperature spectroscopy, we have examined whether or not bovine rhodopsin has a unique transducin-binding state, meta Ib, previously detected from chicken rhodopsin. Unlike chicken meta Ib, bovine meta Ib was detected only by detailed kinetics analysis of the bleaching process, but it was stab...

journal_title：FEBS letters

authors： Tachibanaki S,Imai H,Terakita A,Shichida Y

更新日期：1998-03-20 00:00:00

abstract：:Increased expression of low voltage-activated, T-type Ca(2+) channels has been correlated with a variety of cellular events including cell proliferation and cell cycle kinetics. The recent cloning of three genes encoding T-type alpha(1) subunits, alpha(1G), alpha(1H) and alpha(1I), now allows direct assessment of thei...

journal_title：FEBS letters

authors： Chemin J,Monteil A,Briquaire C,Richard S,Perez-Reyes E,Nargeot J,Lory P

更新日期：2000-07-28 00:00:00

abstract：:Quantitative modeling of intracellular processes often requires information about intracellular rate constants as well as the concentrations of low abundance species in individual cells. Single molecule imaging techniques offer not only new ways for obtaining such information but also the possibilities to test model-b...

journal_title：FEBS letters

authors： Li GW,Elf J

更新日期：2009-12-17 00:00:00

abstract：:The expression of myf-5, a key component of myogenic regulatory genes, declines progressively in mature somitic cells during vertebrate myogenesis. Little is known about how this down-regulation takes place. Here we provide evidence that an interferon regulatory factor binding element (IRF element) within the Xenopus ...

journal_title：FEBS letters

authors： Mei W,Yang J,Tao Q,Geng X,Rupp RA,Ding X

更新日期：2001-09-07 00:00:00

abstract：:1-Farnesylpyridinium (FPy), an analog of isoprenoid farnesol, initially induced morphological changes similar to those of typical apoptosis in human leukemia HL-60 cells but FPy-treated cells were characterized by the absolute absence of final apoptotic events such as fragmentation into apoptotic bodies. FPy-induced c...

journal_title：FEBS letters

authors： Hamada M,Nishio K,Doe M,Usuki Y,Tanaka T

更新日期：2002-03-13 00:00:00

abstract：:Using a BAL31 exonuclease assay to determine the sites of 4,5',8-trimethylpsoralen photocrosslinking in DNA we have shown that 5'-TA sites which are accessible to psoralen DNA interstrand photocrosslinking in naked DNA become inaccessible when protein, in casu, lambda-repressor E. coli or RNA polymerase are bound at t...

journal_title：FEBS letters

authors： Zhen WP,Jeppesen C,Nielsen PE

更新日期：1988-02-29 00:00:00

abstract：:Growth of regenerating lung lobes is preceded by an increase of the activity of L-ornithine decarboxylase (ODC). Mechanical factors play a role in determining both the growth rate and enhancement of activity of ODC in regenerating lung lobes. Hormonal regulation also appears of importance as shown by the increased ODC...

journal_title：FEBS letters

authors： Tatár-Kiss S,Bardócz S,Kertai P

更新日期：1984-09-17 00:00:00

abstract：:Physiological and pathological states that are associated with elevated plasma fatty acids (FAs) increase uncoupling protein 2 (UCP2) mRNA in white adipose tissue and UCP3 mRNA in skeletal muscle and heart. A direct effect of unsaturated fatty acids from all classes has been shown in various cultured cells. There is e...

journal_title：FEBS letters

authors： Thompson MP,Kim D

更新日期：2004-06-18 00:00:00

abstract：:We have studied the effect of temperature on the contribution of Hsp104 and trehalose to barotolerance using mutants deficient in Hsp104 and trehalose synthesis. When compared with a corresponding wild type strain, mutants of Hsp104 did not show temperature dependent barotolerance when the incubation temperature durin...

journal_title：FEBS letters

authors： Iwahashi H,Obuchi K,Fujii S,Komatsu Y

更新日期：1997-10-13 00:00:00

abstract：:We have cloned a novel nuclear gene for a ribosomal protein of rice and Arabidopsis that is like the bacterial ribosomal protein S9. To determine the subcellular localization of the gene product, we fused the N-terminal region and green fluorescent protein and expressed it transiently in rice seedlings. Localized fluo...

journal_title：FEBS letters

authors： Arimura S,Takusagawa S,Hatano S,Nakazono M,Hirai A,Tsutsumi N

更新日期：1999-05-07 00:00:00

abstract：:Tropine (tropan-3 alpha-ol) is an intermediate in the formation of hyoscyamine. An acyltransferase activity that can acetylate tropine using acetylcoenzyme A as cosubstrate has been found in transformed root cultures of Datura stramonium. A further acyltransferase activity that acetylates pseudotropine (tropan-3 beta-...

journal_title：FEBS letters

authors： Robins RJ,Bachmann P,Robinson T,Rhodes MJ,Yamada Y

更新日期：1991-11-04 00:00:00

abstract：:The somatostatin upstream enhancer (SMS-UE) is a highly complex enhancer element. The distal A-element contains overlapping Pdx1 and Pbx binding sites. However, a point mutation in the A-element that abolishes both Pdxl and Pbx binding does not impair promoter activity. In contrast, a point mutation that selectively e...

journal_title：FEBS letters

authors： Andersen FG,Jensen J,Heller RS,Petersen HV,Larsson LI,Madsen OD,Serup P

更新日期：1999-02-26 00:00:00

abstract：:The ATP-binding cassette (ABC) transporters constitute one of the largest families of proteins in evolution. The ATM1 gene of the yeast Saccharomyces cerevisiae encodes an ABC protein, which is localized to the mitochondrial inner membrane. A deletion of ATM1 results in the accumulation of up to a 30-fold excess of mi...

journal_title：FEBS letters

authors： Chloupková M,Reaves SK,LeBard LM,Koeller DM

更新日期：2004-07-02 00:00:00

abstract：:Measurements of the effects of NH3/NH4+ on glucose-induced electrical activity in beta-cells from microdissected mouse islets of Langerhans and on intracellular pH in single collagenase-isolated islets pre-loaded with a fluorescent pH probe were performed and are reported here. Application of NH3/NH4+ (15 mM) in the p...

journal_title：FEBS letters

authors： Rosario LM,Rojas E

更新日期：1986-05-05 00:00:00

abstract：:E. coli GroEL chaperonin monomers, isolated after urea-induced dissociation of GroEL14, undergo cold denaturation below 5 degrees C. Above 5 degrees C, these monomers undergo MgATP-dependent self-assembly. We have demonstrated a conformational transition at 0 degree C induced by interaction of monomeric GroEL with ade...

journal_title：FEBS letters

authors： Lissin NM,Hemmingsen SM

更新日期：1993-06-07 00:00:00

abstract：:A comparison is made between the PQA----P+QA- and PQAQB----P+QAQB-transitions in Rps. viridis and Rb. sphaeroides reaction centers (RCs) by the use of light-induced Fourier transform infrared (FTIR) difference spectroscopy. In Rb. sphaeroides RCs, we identify a signal at 1650 cm-1 which is present in the P+QA-minus-PQ...

journal_title：FEBS letters

authors： Nabedryk E,Bagley KA,Thibodeau DL,Bauscher M,Mäntele W,Breton J

更新日期：1990-06-18 00:00:00

abstract：:The interferon inducible transmembrane (IFITM) proteins mediate several cellular processes such as homotypic cell adhesion functions of interferons (IFNs) and cellular anti-proliferative activities. We show that the BAF complex-mediated induction of IFITM3 is dependent on binding of the transcriptional enhancer factor...

journal_title：FEBS letters

authors： Cuddapah S,Cui K,Zhao K

更新日期：2008-01-23 00:00:00

abstract：:Mitochondrial fatty acid synthesis is catalyzed by a dissociated fatty acid synthase similar to those of plant plastids and bacteria. The crystal structure of a mitochondrial beta-ketoacyl-[acyl carrier protein] synthase (mtKAS), namely that from Arabidopsis thaliana, has been determined for the first time. This enzym...

journal_title：FEBS letters

authors： Olsen JG,Rasmussen AV,von Wettstein-Knowles P,Henriksen A

更新日期：2004-11-05 00:00:00

abstract：:It is known that narcotic antagonists interact with many cholinergic pathways but less in known about specific mechanisms. Using neonatal rat myoballs to study single channel behaviour of the acetylcholinegated nicotinic receptor, it was found that micromolar concentrations of naltrexone had no effect on channel condu...

journal_title：FEBS letters

authors： Madsen BW,Albuquerque EX

更新日期：1985-03-11 00:00:00

abstract：:Type II restriction endonucleases (REases) exist in multiple oligomeric forms. The tetrameric REases have two DNA binding interfaces and must synapse two recognition sites to achieve cleavage. It was hypothesised that binding of two recognition sites by tetrameric enzymes contributes to their fidelity. Here, we experi...

journal_title：FEBS letters

authors： Zaremba M,Sasnauskas G,Siksnys V

更新日期：2012-09-21 00:00:00