Molecular evolution and multilocus sequence typing of 145 strains of SARS-CoV.

abstract：:We have engineered a genomic HDV ribozyme to construct several trans-acting ribozymes for use in trans to cleave target RNAs. Among the 10 different combinations attempted, only HDV88-Trans had cleavage activity on the 13-nucleotide substrate, R13, in vitro. To improve the cleavage efficiency, at least in vitro, of th...

journal_title：FEBS letters

authors： Kawakami J,Yuda K,Suh YA,Kumar PK,Nishikawa F,Maeda H,Taira K,Ohtsuka E,Nishikawa S

更新日期：1996-09-30 00:00:00

abstract：:The Kv3.1 channel plays a crucial role in regulating the high-frequency firing properties of neurons. Here, we determined whether Src regulates the subcellular distributions of the Kv3.1b channel. Co-expression of active Src induced a dramatic redistribution of Kv3.1b to the endoplasmic reticulum. Furthermore, co-expr...

journal_title：FEBS letters

authors： Bae SH,Kim DH,Shin SK,Choi JS,Park KS

更新日期：2014-01-03 00:00:00

abstract：:Biotin synthase catalyses the last step of the biosynthesis of biotin in microorganisms and plants. The active protein isolated from Bacillus sphaericus and Escherichia coli contains an iron-sulphur (FeS) cluster. The native enzymes were depleted of their iron and inorganic sulphide and the resulting apoenzymes were c...

journal_title：FEBS letters

authors： Bui BT,Florentin D,Fournier F,Ploux O,Méjean A,Marquet A

更新日期：1998-11-27 00:00:00

abstract：:Those aerobic archaea whose genomes have been sequenced possess a single 4-gene operon that, by sequence comparisons with Bacteria and Eukarya, appears to encode the three component enzymes of a 2-oxoacid dehydrogenase multienzyme complex. However, no catalytic activity of any such complex has ever been detected in th...

journal_title：FEBS letters

authors： Heath C,Jeffries AC,Hough DW,Danson MJ

更新日期：2004-11-19 00:00:00

abstract：:Dark-adapted isolated spinach chloroplasts and leaves, unlike sub-chloroplast fractions, are capable of emitting ultraweak light spontaneously (50-125 counts/s per cm2). The emission of leaves is due to two processes with activation energies of 97 and 25 kJ/mol while in isolated chloroplasts, it is the result of a sin...

journal_title：FEBS letters

authors： Hideg E,Kobayashi M,Inaba H

更新日期：1990-11-26 00:00:00

abstract：:Addition of hydrocortisone to the rat mammary gland myoepithelial cell line, G4.2.3, induces the synthesis and secretion of alpha 2-macroglobulin. Interleukin-1 beta, interleukin-6 and transforming growth factor-beta synergize with hydrocortisone, increasing the synthesis of alpha 2-macroglobulin 2- to 4-fold, althoug...

journal_title：FEBS letters

authors： Warburton MJ,Gusterson BA,O'Hare MJ

更新日期：1993-10-11 00:00:00

abstract：:Currently a central question that remains unresolved is the potential importance of phospholipase C (PLC)-gamma1 in cell mitogenesis. In this study, we introduced wild-type PLC-gamma1 plasmid and mutants Y771F and Y783F into CCL-39 fibroblasts and investigated their effect on host cell functions. To our surprise, Y771...

journal_title：FEBS letters

authors： Pei ZD,Williamson JR

更新日期：1998-02-13 00:00:00

abstract：:Liposomes containing acyl chains incorporating azobenzene chromophores have been investigated as potential 'caging' agents for fast solute release. On photolysis, trapped marker dye can be released from gel-phase liposomes within milliseconds. Solute release is markedly sensitive to the presence of cholesterol in the ...

journal_title：FEBS letters

authors： Bisby RH,Mead C,Morgan CG

更新日期：1999-12-10 00:00:00

abstract：:Piriprost and nordihydroguiaretic acid (NDGA), specific inhibitors of arachidonate lipoxygenase, inhibited phytohaemagglutinin (PHA)-stimulated breakdown of inositol lipids in human T lymphocytes. The dual inhibitors eicosatetraynoic acid (ETYA) and BW 755C, which inhibit both lipoxygenase and cyclooxygenase, also had...

journal_title：FEBS letters

authors： Mire-Sluis AR,Cox CA,Hoffbrand AV,Wickremasinghe RG

更新日期：1989-11-20 00:00:00

abstract：:Contact inhibition of locomotion (CIL) occurs when a cell ceases moving in the same direction following contact with another cell. Homotypic and heterotypic CIL occur between cells of the same and different types, respectively. Using Abercrombie's confronted explants assay we studied the effect of changing Rac1 or Rho...

journal_title：FEBS letters

authors： Anear E,Parish RW

更新日期：2012-05-07 00:00:00

abstract：:Various properties have been evaluated for the binding to tissue culture substrata of proteolytic fragments of human plasma or cellular fibronectins containing complementary sequences from the individual and alternatively spliced chains, since related fragments are known to yield differing adhesive responses from cell...

journal_title：FEBS letters

authors： Lewandowska K,Kaetzel CS,Zardi L,Culp LA

更新日期：1988-09-12 00:00:00

abstract：:The mechanisms involved in bidirectional transport along microtubules remain largely unknown. We explored the collective action of kinesin-2 and dynein motors during transport of melanosomes in Xenopus laevis melanophores. These motors are attached to organelles through accessory proteins establishing a complex molecu...

journal_title：FEBS letters

authors： De Rossi MC,De Rossi ME,Sued M,Rodríguez D,Bruno L,Levi V

更新日期：2015-09-14 00:00:00

abstract：:Lipopolysaccharide, the invariant structural component of Gram-negative bacteria, when present in minute amounts in the circulation in humans elicits 'endotoxic shock' syndrome, which is fatal in 60% of the cases. Polymyxin B (PMB), a cyclic cationic peptide, neutralizes the endotoxin, but also induces many harmful si...

journal_title：FEBS letters

authors： Thomas CJ,Surolia A

更新日期：1999-02-26 00:00:00

abstract：:Localisation of mRNA encoding the four AMPA glutamate receptor subunits in the rat adrenal gland was investigated using in situ hybridisation. GluR1 is found in the zona glomerulosa of the cortex, GluR3 in the remaining parts of the cortex, GluR2 in adrenal medullary cells and GluR4 at a very low level in the zona glo...

journal_title：FEBS letters

authors： Kristensen P

更新日期：1993-10-11 00:00:00

abstract：:Syndecans are transmembrane heparan sulfate proteoglycans, with roles in development, tumorigenesis and inflammation, and growing evidence for involvement in tissue regeneration. This is a fast developing field with the prospect of utilizing tissue engineering and biomaterials in novel therapies. Syndecan receptors ar...

journal_title：FEBS letters

authors： Chung H,Multhaupt HA,Oh ES,Couchman JR

更新日期：2016-08-01 00:00:00

abstract：:alpha-Crystallin, the major protein of the ocular lens, is known to have extensive similarities to small heat shock proteins and to act as a molecular chaperone. The exposure of hydrophobic surfaces on alpha-crystallin was studied by fluorescence spectroscopy using the hydrophobic probe bis-ANS. Upon heating the prote...

journal_title：FEBS letters

authors： Das KP,Surewicz WK

更新日期：1995-08-07 00:00:00

abstract：:The structure of GE82832, a translocation inhibitor produced by a soil microorganism, is shown to be highly related to that of dityromycin, a bicyclodecadepsipeptide antibiotic discovered long ago whose characterization had never been pursued beyond its structural elucidation. GE82832 and dityromycin were shown to int...

journal_title：FEBS letters

authors： Brandi L,Maffioli S,Donadio S,Quaglia F,Sette M,Milón P,Gualerzi CO,Fabbretti A

更新日期：2012-09-21 00:00:00

abstract：:Protein synthesis in cell-free systems of rat liver and kidney decreases markedly with age. Examination of activity changes of the different steps revealed for both types of organs that reduced binding of aminoacyl-tRNA to ribosomes and reduced peptidyl transfer might be of major importance for the decrease in overall...

journal_title：FEBS letters

authors： Gabius HJ,Engelhardt R,Deerberg F,Cramer F

更新日期：1983-08-22 00:00:00

abstract：:Macrophages are abundant in the tumor microenvironment. They are highly plastic and able to acquire pro-tumoral phenotypes in response to microenvironmental stimuli. When we treated RAW 264.7 macrophages with inhibitors of various oncogenic pathways, we found that the focal adhesion kinase (FAK) inhibitors PF573228 an...

journal_title：FEBS letters

authors： He X,Chen X,Li B,Ji J,Chen S

更新日期：2017-12-01 00:00:00

abstract：:A novel structural classification of beta proteins is presented from the viewpoint of the ring-shaped structure and the zipper-like contact pattern, based on the fact that 92% and 60% of beta proteins have the ring topology and the zippered contact pattern, respectively. We discuss the implication of the unexpectedly ...

journal_title：FEBS letters

authors： Koike R,Kinoshita K,Kidera A

更新日期：2003-01-02 00:00:00

abstract：:To test if mitochondrial uncoupling in white adipocytes is responsible for obesity resistance of the aP2-Ucp transgenic mice expressing ectopic uncoupling protein 1 (UCPI) in white fat, mitochondrial membrane potential (delta psi(m)) was estimated by flow cytometry in adipocytes isolated from gonadal fat. Ectopic UCP1...

journal_title：FEBS letters

authors： Baumruk F,Flachs P,Horáková M,Floryk D,Kopecký J

更新日期：1999-02-12 00:00:00

abstract：:Human respiratory syncytial virus (HRSV) is the leading cause of lower respiratory tract disease in infants. The HRSV small hydrophobic (SH) protein plays an important role in HRSV pathogenesis, although its mode of action is unclear. Analysis of the ability of SH protein to induce membrane permeability and form homo-...

journal_title：FEBS letters

authors： Carter SD,Dent KC,Atkins E,Foster TL,Verow M,Gorny P,Harris M,Hiscox JA,Ranson NA,Griffin S,Barr JN

更新日期：2010-07-02 00:00:00

abstract：:The absorption frequencies of the C = O and C = C (neutral state) and of the C...O (semiquinone state) stretching vibrations of QB have been assigned by FTIR spectroscopy, using native and site-specifically 1-, 2-, 3- and 4-13C-labelled ubiquinone-10 (UQ10) reconstituted at the QB binding site of Rhodobacter sphaeroid...

journal_title：FEBS letters

authors： Brudler R,de Groot HJ,van Liemt WB,Gast P,Hoff AJ,Lugtenburg J,Gerwert K

更新日期：1995-08-14 00:00:00

abstract：:We solved the crystal structure of a functionally uncharacterized protein, HP0902, from Helicobacter pylori. Its structure demonstrated an all-β cupin fold that cannot bind metal ions due to the absence of a metal-binding histidine that is conserved in many metallo-cupins. In contrast, isothermal titration calorimetry...

journal_title：FEBS letters

authors： Sim DW,Kim JH,Kim HY,Jang JH,Lee WC,Kim EH,Park PJ,Lee KH,Won HS

更新日期：2016-09-01 00:00:00

abstract：:The effect of platelet-activating factor (PAF) on polyphosphoinositide metabolism and 45Ca2+ efflux was examined in a vascular smooth muscle cell line (A7r5). PAF stimulated a rapid but transient production of inositol trisphosphate and inositol bisphosphate which, in the presence of lithium, resulted in an accumulati...

journal_title：FEBS letters

authors： Doyle VM,Creba JA,Rüegg UT

更新日期：1986-03-03 00:00:00

abstract：:The oxysterols, 7beta-hydroxycholesterol and 7-ketocholesterol, are involved in the cytotoxicity of oxidized LDL. To elucidate their molecular mechanisms, the human promonocytic leukemia cells U937 and U4 were used. U4 cells overexpressing Bcl-2 were obtained by transfection of U937 cells. 7Beta-hydroxycholesterol and...

journal_title：FEBS letters

authors： Lizard G,Lemaire S,Monier S,Gueldry S,Néel D,Gambert P

更新日期：1997-12-15 00:00:00

abstract：:Alternative splicing of the Alzheimer's amyloid beta protein precursor (ABPP) message leads to the production of several variants of this precursor polypeptide. Two of these variants contain a domain that is highly homologous to members of the Kunitz class of protease inhibitors. In order to initiate a study of the ph...

journal_title：FEBS letters

authors： Castro M,Marks CB,Nilsson B,Anderson S

更新日期：1990-07-16 00:00:00

abstract：:The effects of mildly acidic conditions on the free energy of unfolding (DeltaG(u)(buff)) of the pore-forming alpha-hemolysin (alphaHL) from Staphylococcus aureus were assessed between pH 5.0 and 7.5 by measuring intrinsic tryptophan fluorescence, circular dichroism and elution time in size exclusion chromatography du...

journal_title：FEBS letters

authors： Bortoleto RK,Ward RJ

更新日期：1999-10-15 00:00:00

abstract：:The possibility that the phospholipid-N-methyltransferases from yeast are capable of acting upon a phospholipid substrate, localized in a different membrane than in which the enzymes reside ('trans-catalysis' hypothesis), was investigated using cho2 and opi3 gene disruptant strains, which are defective in phosphatidyl...

journal_title：FEBS letters

authors： Janssen MJ,de Jong HM,de Kruijff B,de Kroon AI

更新日期：2002-02-27 00:00:00

abstract：:We established a medium-scale real-time RT-PCR system focusing on transcription factors and applied it to their expression profiles in the adult mouse 11 brain regions (http://genome.gsc.riken.jp/qRT-PCR/). Almost 90% of the examined genes showed significant expression in at least one region. We successfully extracted...

journal_title：FEBS letters

authors： Suzuki H,Okunishi R,Hashizume W,Katayama S,Ninomiya N,Osato N,Sato K,Nakamura M,Iida J,Kanamori M,Hayashizaki Y

更新日期：2004-08-27 00:00:00