Mitochondrial respiration at low levels of oxygen and cytochrome c.

abstract：:Alkalithermophiles are an exciting subset of extremophilic organisms and represent extremophiles that are adapted to two extreme conditions, i.e. to a combination of alkaline and thermobiotic growth conditions. Among the anaerobic alkalithermophiles are representatives of both Bacteria and Archaea within a wide variet...

journal_title：Biochemical Society transactions

authors： Wiegel J,Kevbrin VV

更新日期：2004-04-01 00:00:00

abstract：:Laccases are oxidase enzymes produced by 'white rot' fungi as part of a complex armoury of redox enzymes used to break down lignin--part of the carbon cycle of nature. Laccases alone or in combination with redox co-catalysts have been shown to oxidize xenobiotic compounds under conditions that can be described as 'gre...

journal_title：Biochemical Society transactions

authors： Wells A,Teria M,Eve T

更新日期：2006-04-01 00:00:00

abstract：:Reactive oxygen species (ROS) were originally thought to only be released by phagocytic cells during their role in host defence. It is now clear that ROS have a cell signalling role in many biological systems, both in animals and in plants. ROS induce programmed cell death or necrosis, induce or suppress the expressio...

journal_title：Biochemical Society transactions

authors： Hancock JT,Desikan R,Neill SJ

更新日期：2001-05-01 00:00:00

abstract：:The canonical structural motif for co-ordination of non-haem ferrous iron in metal-dependent oxygenases is a facial triad of two histidine residues and one aspartate or glutamate residue. This so-called 2-His-1-carboxylate metallocentre is often accommodated in a double-stranded beta-helix fold with the iron-co-ordina...

journal_title：Biochemical Society transactions

authors： Leitgeb S,Nidetzky B

更新日期：2008-12-01 00:00:00

abstract：:The 'fusion peptides' of a group of enveloped viruses that includes influenza, paramyxo-, retro-and filo-viruses are N-terminal regions of their membrane fusion proteins generated by cleavage of non-functional precursors. For the influenza membrane fusion protein, haemagglutinin (HA), the three-dimensional structures ...

journal_title：Biochemical Society transactions

authors： Skehel JJ,Cross K,Steinhauer D,Wiley DC

更新日期：2001-08-01 00:00:00

abstract：:Membrane proteins are drug targets for a wide range of diseases. Having access to appropriate samples for further research underpins the pharmaceutical industry's strategy for developing new drugs. This is typically achieved by synthesizing a protein of interest in host cells that can be cultured on a large scale, all...

journal_title：Biochemical Society transactions

authors： Bawa Z,Bland CE,Bonander N,Bora N,Cartwright SP,Clare M,Conner MT,Darby RA,Dilworth MV,Holmes WJ,Jamshad M,Routledge SJ,Gross SR,Bill RM

更新日期：2011-06-01 00:00:00

abstract：:As intracellular pathogens, enveloped viruses must usurp the host cell machinery for many stages of the viral life cycle in order to produce a new generation of infectious virions. In one of the less understood steps of viral assembly, viral components including the transmembrane glycoproteins, structural proteins and...

journal_title：Biochemical Society transactions

authors： Bruce EA,Stuart A,McCaffrey MW,Digard P

更新日期：2012-12-01 00:00:00

abstract：:PTB (polypyrimidine tract-binding protein) is an abundant and widely expressed RNA-binding protein with four RRM (RNA recognition motif) domains. PTB is involved in numerous post-transcriptional steps in gene expression in both the nucleus and cytoplasm, but has been best characterized as a regulatory repressor of som...

journal_title：Biochemical Society transactions

authors： Kafasla P,Mickleburgh I,Llorian M,Coelho M,Gooding C,Cherny D,Joshi A,Kotik-Kogan O,Curry S,Eperon IC,Jackson RJ,Smith CW

更新日期：2012-08-01 00:00:00

abstract：:Sucrose non-fermenting 1 (Snf1) protein kinase, a yeast homologue of mammalian AMP-activated protein kinase, plays a main role in transcriptional activation and repression of gene expression. In addition, Snf1 kinase has a broad role in the cellular response to several forms of stress, such as nutrient limitation, sal...

journal_title：Biochemical Society transactions

authors： Sanz P

更新日期：2003-02-01 00:00:00

abstract：:RAMPs (receptor activity-modifying proteins) are single-pass transmembrane proteins that associate with certain family-B GPCRs (G-protein-coupled receptors). Specifically for the CT (calcitonin) receptor-like receptor and the CT receptor, this results in profound changes in ligand binding and receptor pharmacology, al...

journal_title：Biochemical Society transactions

authors： Conner AC,Simms J,Hay DL,Mahmoud K,Howitt SG,Wheatley M,Poyner DR

更新日期：2004-11-01 00:00:00

abstract：:Frequent subversion of the PI3K (phosphoinositide 3-kinase) pathway during neoplastic transformation contributes to several hallmarks of cancer that result in a competitive advantage for cancer cells. Deregulation of this pathway can be the result of genomic alterations such as PIK3CA mutation, PTEN (phosphatase and t...

journal_title：Biochemical Society transactions

authors： Leroy C,Amante RJ,Bentires-Alj M

更新日期：2014-08-01 00:00:00

abstract：:After years of setbacks, the perspective of neuroprotective stroke therapy has revived in light of recent study results. We outline in this review how a neuroprotective candidate drug should be developed, beginning with a thorough preclinical evaluation according to the STAIR (Stroke Therapy Academic Industry Roundtab...

journal_title：Biochemical Society transactions

authors： Schäbitz WR,Fisher M

更新日期：2006-12-01 00:00:00

abstract：:We study how mechanical forces integrate spatially and temporally with regulatory signals at the leading edge of migrating cells. To probe the dynamics of this system, we developed quantitative fluorescent speckle microscopy, which maps out actin cytoskeleton transport, assembly and disassembly with high spatial resol...

journal_title：Biochemical Society transactions

authors： Danuser G

更新日期：2005-12-01 00:00:00

abstract：:The axial ligand of the catalytic mononuclear T1 copper site (Met(502)) of the CotA laccase was replaced by a leucine or phenylalanine residue to increase the redox potential of the enzyme. These mutations led to an increase in the redox potential by approx. 100 mV relative to the wild-type enzyme but the catalytic co...

journal_title：Biochemical Society transactions

authors： Melo EP,Fernandes AT,Durão P,Martins LO

更新日期：2007-12-01 00:00:00

abstract：:The majority of mRNAs in eukaryotic cells are translated via a method that is dependent upon the recognition of, and binding to, the methylguanosine cap at the 5' end of the mRNA, by a set of protein factors termed eIFs (eukaryotic initiation factors). However, many of the eIFs involved in this process are modified an...

journal_title：Biochemical Society transactions

authors： King HA,Cobbold LC,Willis AE

更新日期：2010-12-01 00:00:00

abstract：:Mammalian peroxisomes degrade fatty carboxylates via two pathways, beta-oxidation and, as shown more recently, alpha-oxidation. The latter process consists of an activation step, followed by a hydroxylation at position 2 and cleavage of the 2-hydroxyacyl-CoA, generating formyl-CoA (precursor of formate/CO(2)) and, in ...

journal_title：Biochemical Society transactions

authors： Van Veldhoven PP,Casteels M,Mannaerts GP,Baes M

更新日期：2001-05-01 00:00:00

abstract：:The overall effects of oestrogen on the vasculature are beneficial as a result of its antioxidant properties and ability to enhance relaxation by modulating synthesis of endothelium-derived vasodilators and smooth-muscle cell Ca2+ signalling. Although the protective effects of oestrogen are well accepted, only limited...

journal_title：Biochemical Society transactions

authors： Ruehlmann DO,Mann GE

更新日期：1997-02-01 00:00:00

abstract：:Accumulating evidence indicates that beta-cells die by apoptosis in T1DM (Type 1 diabetes mellitus). Apoptosis is an active gene-directed process, and recent observations suggest that beta-cell apoptosis depends on the parallel and/or sequential up- and down-regulation of hundreds of genes controlled by key transcript...

journal_title：Biochemical Society transactions

authors： Eizirik DL,Moore F,Flamez D,Ortis F

更新日期：2008-06-01 00:00:00

abstract：:The GABAR [GABA(A) (gamma-aminobutyric acid type A) receptor], which mediates most inhibition in the brain, is regulated homoeostatically to maintain an optimal level of neuronal excitability. In particular, the alpha(4)betadelta subtype of the GABAR plays a pivotal role in this regulation. This receptor, which is exp...

journal_title：Biochemical Society transactions

authors： Shen H,Smith SS

更新日期：2009-12-01 00:00:00

abstract：:In order for cells to divide in a proficient manner, they must first double their biomass, which is considered to be the main rate-limiting phase of cell proliferation. Cell growth requires an abundance of energy and biosynthetic precursors such as lipids and amino acids. Consequently, the energy and nutrient status o...

journal_title：Biochemical Society transactions

authors： Dunlop EA,Tee AR

更新日期：2013-08-01 00:00:00

abstract：:Biochemical, biophysical and biological studies of oligonucleotides containing lesions at defined sites provide a molecular basis for the effects of DNA lesions. dG (deoxyguanosine) is the most easily oxidized of the four native nucleotides. The chemical reactivity of dG correlates with compilations of mutations, whic...

journal_title：Biochemical Society transactions

authors： Greenberg MM

更新日期：2004-02-01 00:00:00

abstract：:Malaria during pregnancy is caused when parasite-infected erythrocytes accumulate within the placenta through interactions between the VAR2CSA protein on the infected erythrocyte surface and placental CSPGs (chondroitin sulfate proteoglycans). This interaction is the major target for therapeutics to treat or prevent p...

journal_title：Biochemical Society transactions

authors： Khunrae P,Higgins MK

更新日期：2010-10-01 00:00:00

abstract：:Muscles are responsible for generating the forces required for the movement of multicellular organisms. Microscopically, these forces arise as a consequence of motor proteins (myosin) pulling and sliding along actin filaments. Current knowledge states that the molecular forces between actin and myosin are linear in na...

journal_title：Biochemical Society transactions

authors： Nielsen BG

更新日期：2004-11-01 00:00:00

abstract：:Molecular bioenergetics deals with the construction, function and regulation of the powerhouses of life. The present overview sketches scenes and actors, farsighted goals and daring hypotheses, meticulous tool-making, painstaking benchwork, lucky discovery, serious scepticism, emphatic believing and strong characters ...

journal_title：Biochemical Society transactions

authors： Junge W

更新日期：2013-10-01 00:00:00

abstract：:We report a novel, highly sensitive and selective method for the detection and quantification of acyl-CoA esters from Arabidopsis thaliana. Extracted acyl-CoA esters were derived to their fluorescent acyl-etheno-CoA esters, separated by ion-paired reversed-phase HPLC, and detected fluorometrically. We report the compo...

journal_title：Biochemical Society transactions

authors： Larson TR,Graham IA

更新日期：2000-12-01 00:00:00

abstract：:Much work has gone into understanding the physical basis of the enormous catalytic power of enzymes over the last 50 years or so. Nevertheless, the detailed mechanism used by Nature's catalysts to speed chemical transformations remains elusive. DHFR (dihydrofolate reductase) has served as a paradigm to study the relat...

journal_title：Biochemical Society transactions

authors： Allemann RK,Evans RM,Loveridge EJ

更新日期：2009-04-01 00:00:00

abstract：:It is clear that considerable conformational distortions may occur in peripheral proteins on interaction with anionic lipid bilayers. Specific lipid interactions do occur at least in the case of cytochrome c, and each perturbation and interaction may well take place before insertion into, or translocation across, a bi...

journal_title：Biochemical Society transactions

authors： Watts A

更新日期：1997-08-01 00:00:00

abstract：:Coagulation proteases are involved in a highly orchestrated proteolytic cascade which is essential for haemostasis and blood clotting. In particular, the initiator of the coagulation cascade, Factor VIIa, binds to its cofactor, tissue factor, and its substrate, Factor X, via exosite interactions to form a ternary cata...

journal_title：Biochemical Society transactions

authors： Amour A,Hutchinson J,Ruiz Avendaño AM,Ratcliffe S,Alvarez E,Martin J,Toomey JR,Senger S,Wolfendale M,Mooney C

更新日期：2007-06-01 00:00:00

abstract：:The binding sites of the oestrogen receptors alpha and beta have a structural requirement for ligands with two oxygen atoms (one of which is phenolic) spaced 11-12 A apart. They are open to many non-steroidal compounds, such as those from plants and the chemical industry. The importance of this interaction is the subj...

journal_title：Biochemical Society transactions

authors： Barnes S

更新日期：2001-05-01 00:00:00

abstract：:Chlorophyll metabolism is probably the most visible manifestation of life. In spite of this, chlorophyll catabolism has remained something of a mystery until about 10 years ago. At that time, the first non-green tetrapyrrolic chlorophyll breakdown products from higher plants were discovered, and the structure of the f...

journal_title：Biochemical Society transactions

authors： Kräutler B

更新日期：2002-08-01 00:00:00