Chromatin-bound and free RNA polymerase A activities in rat thymus cells following glucocorticoid treatment.

abstract：:The complementary-addressed modification of DNA and proteins in chromatin using photoreactive derivatives of pd(AC)6 has been studied. These oligonucleotides form complementary complexes with specific DNA sequences and modify both DNA and proteins in the vicinity of these regions, and can be used for investigation of ...

journal_title：FEBS letters

authors： Bozhenok LN,Khazina EB,Chernolovskaya EL,Kobets ND

更新日期：1998-11-27 00:00:00

abstract：:Nocardia kirovani cell walls possess a lipidic fraction, a lipolysaccharidic fraction and a peptidoglycan. The lipidic part is composed of glycerides, C(16) and C(18) free fatty acids, nocardic acids and of a carotenoid pigment. The lipopolysaccharidic part is composed of an arabinogalactan esterified by nocardic acid...

journal_title：FEBS letters

authors： Guinand M,Vacheron MJ,Michel G

更新日期：1970-01-15 00:00:00

abstract：:G-quadruplex structures in the 5' UTR of mRNAs have been shown to suppress translation. However, all experiments published so far made use of artificial reporter systems. Here, we investigate for the first time the biological effects of the genomic disruption of a G-quadruplex by CRISPR/Cas9. In melanoma cells lacking...

journal_title：FEBS letters

authors： Serikawa T,Eberle J,Kurreck J

更新日期：2017-11-01 00:00:00

abstract：:DNA polymerase alpha-primase is a heterotetrameric complex essential for simian vacuolating virus 40 (SV40) DNA replication. We show that the C-terminal 67 amino acid residues of the human p180 subunit are essential for SV40 DNA replication as they are required for binding of the p68 subunit and play a role in the int...

journal_title：FEBS letters

authors： Smith RW,Nasheuer HP

更新日期：2002-09-11 00:00:00

abstract：:Uncoupling protein 3 (UCP3) may reduce mitochondrial ROS production, and thereby protect against mitochondrial dysfunction in skeletal muscle. UCP3 has been suggested to specifically fulfill this role under high-fat conditions. Here we show that UCP3 knockout mice indeed have elevated mitochondrial ROS production afte...

journal_title：FEBS letters

authors： Nabben M,Hoeks J,Moonen-Kornips E,van Beurden D,Briedé JJ,Hesselink MK,Glatz JF,Schrauwen P

更新日期：2011-12-15 00:00:00

abstract：:The interaction of Fas (Apo-1) and TNF receptor-1 with their respective ligands can lead to cell death. The so-called death domain, a sequence motif present in the cytoplasmic portion of the two receptors, has been identified as a critical structural element involved in signal transduction that leads to apoptosis. Her...

journal_title：FEBS letters

authors： Hofmann K,Tschopp J

更新日期：1995-09-11 00:00:00

abstract：:Toll-like receptors (TLRs) are crucial components of the innate immune system, coupling pathogen recognition to a cellular response. We used the MAPPIT mammalian two-hybrid technique to investigate protein-protein interactions in the early steps in TLR signalling. A partial TLR-adaptor interaction map was constructed ...

journal_title：FEBS letters

authors： Ulrichts P,Peelman F,Beyaert R,Tavernier J

更新日期：2007-02-20 00:00:00

abstract：:The nucleocapsid (N) protein of SARS coronavirus (SARS_CoV) is a major structural component of virions, which appears to be a multifunctional protein involved in viral RNA replication and translation. Heterogeneous nuclear ribonucleoprotein A1 (hnRNP A1) is related to the pre-mRNA splicing in the nucleus and translati...

journal_title：FEBS letters

authors： Luo H,Chen Q,Chen J,Chen K,Shen X,Jiang H

更新日期：2005-05-09 00:00:00

abstract：:The in vitro methylation of the +6, +24, and -215 located 5'-CCGG-3' sequences in the late E2A promoter of adenovirus type 2 (Ad2) DNA abrogates promoter function. 5-Methyldeoxycytidine (5-mC) at positions +6 and +24 in both or either of the two DNA complements in the late E2A promoter abolishes the formation of a hig...

journal_title：FEBS letters

authors： Hermann R,Doerfler W

更新日期：1991-04-09 00:00:00

abstract：:In Xenopus prophase-blocked oocytes, it is assumed that progesterone interacts with the plasma membrane to initiate a signalling cascade that ultimately leads to MPF activation. Progesterone regulates negatively the cAMP pathway through an inhibition of adenylate cyclase. However, the mechanisms linking the initial ac...

journal_title：FEBS letters

authors： De Smedt V,Rime H,Jessus C,Ozon R

更新日期：1995-11-20 00:00:00

abstract：:Very long-chain fatty acids (VLCFAs) have a variety of physiological functions and are related to numerous disorders. The key step of VLCFA elongation is catalyzed by members of the elongase family, ELOVLs. Mammals have seven ELOVLs (ELOVL1-7), yet none of them has been purified and analyzed. In the presented study we...

journal_title：FEBS letters

authors： Naganuma T,Sato Y,Sassa T,Ohno Y,Kihara A

更新日期：2011-10-20 00:00:00

abstract：:Ample evidence indicates that sphingosine-1-phosphate (SPP) can serve as an intracellular second messenger regulating calcium mobilization, and cell growth and survival. Moreover, the dynamic balance between levels of the sphingolipid metabolites, ceramide and SPP, and consequent regulation of opposing signaling pathw...

journal_title：FEBS letters

authors： Spiegel S,Milstien S

更新日期：2000-06-30 00:00:00

abstract：:We have characterized the Bacillus subtilis homologs of fructoselysine 6-kinase and fructoselysine-6-phosphate deglycase, two enzymes that specifically metabolize the Amadori compound fructose-epsilon-lysine in Escherichia coli. The B. subtilis enzymes also catalyzed the phosphorylation of fructosamines to fructosamin...

journal_title：FEBS letters

authors： Wiame E,Duquenne A,Delpierre G,Van Schaftingen E

更新日期：2004-11-19 00:00:00

abstract：:We have characterized the glucose transport system in the Kc cells of Drosophila melanogaster. The transporter is stereospecific and can be inhibited by both cytochalasin B and phloretin, with ki values of 4 microM and 30 microM for cytochalasin B and phloretin, respectively. Moreover, phlordzin does not affect uptake...

journal_title：FEBS letters

authors： Wang M,Wang C

更新日期：1993-02-15 00:00:00

abstract：:Specific binding sites for 3,3'-T2 can be detected in swollen and osmotically treated mitochondria (OTM) from normal and hypothyroid rat liver. In hypothyroid animals, maximal values of binding were obtained at 0 degrees C while values were lower at 37 degrees C and no specific binding could be observed at 60 degrees ...

journal_title：FEBS letters

authors： Lanni A,Moreno M,Horst C,Lombardi A,Goglia F

更新日期：1994-09-05 00:00:00

abstract：:To clarify the function of osteopontin in osteoblast differentiation, we have examined the signal transduction pathway in an osteoblastic cell line (UMR106-6) bound to osteopontin, fibronectin, vitronectin and collagen type I surfaces. This was done by investigating the production and autophosphorylation of focal adhe...

journal_title：FEBS letters

authors： Liu YK,Uemura T,Nemoto A,Yabe T,Fujii N,Ushida T,Tateishi T

更新日期：1997-12-22 00:00:00

abstract：:We have purified a form of protein phosphatase 1 (PP1) from HeLa cell nuclei, in which the phosphatase is complexed to a regulatory subunit termed p99. We report here the cloning and characterisation of the p99 component. p99 mRNA is widely expressed in human tissues and immunofluorescence analysis with anti-p99 antib...

journal_title：FEBS letters

authors： Kreivi JP,Trinkle-Mulcahy L,Lyon CE,Morrice NA,Cohen P,Lamond AI

更新日期：1997-12-22 00:00:00

abstract：:Leaflets of Vicia faba with closed stomata or with opening stomata were freeze-dried. Excised guard-cell pairs were assayed individually under suboptimal conditions (pH 7.1 and subsaturating substrate) for phosphoenolpyruvate carboxylase (PEPC; EC 4.1.1.31) using quantitative histochemical procedures. L-Malate, 400 mi...

journal_title：FEBS letters

authors： Zhang SQ,Outlaw WH Jr,Chollet R

更新日期：1994-09-19 00:00:00

abstract：:Recently, reports have appeared which show structural variations in B-DNA and indicate deviations from a uniform helical structure. We report for the first time that these indications are also present in the B-form fibre diffraction patterns for the lithium salt of natural DNA. We have used an improved method of contr...

journal_title：FEBS letters

authors： Dutta S,Parrack PK,Sasisekharan V

更新日期：1984-10-15 00:00:00

abstract：:The selectively red excited emission spectrum, at room temperature, of the in vitro reconstituted Lhca4, has a pronounced non-equilibrium distribution, leading to enhanced emission from the directly excited low-energy pigments. Two different emitting forms (or states), with maximal emission at 713 and 735nm (F713 and ...

journal_title：FEBS letters

authors： Zucchelli G,Morosinotto T,Garlaschi FM,Bassi R,Jennings RC

更新日期：2005-04-11 00:00:00

abstract：:The dynamic properties of 111 backbone HN sites in uncomplexed human profilin, a protein of 139 residues, have been characterized by two-dimensional inverse-detected 1H-15N NMR spectroscopy. Heteronuclear (1H)-15N nuclear Overhauser effects and 15N longitudinal and transverse relaxation rates have been analyzed in ter...

journal_title：FEBS letters

authors： Constantine KL,Friedrichs MS,Bell AJ,Lavoie TB,Mueller L,Metzler WJ

更新日期：1993-12-28 00:00:00

abstract：:The gene for human tetranectin was isolated from a genomic library with a mixture of degenerate oligonucleotide probes. The gene is about 12 kbp and contains two intervening sequences. The gene encodes a protein of 202 amino acid residues, with a signal peptide of 21 amino acid residues, followed by the tetranectin se...

journal_title：FEBS letters

authors： Berglund L,Petersen TE

更新日期：1992-08-31 00:00:00

abstract：:The major anthocyanin in A. thaliana is a cyanidin derivative modified by glycosylation as well as by the addition of three acyl moieties: malonyl, p-coumaroyl, and sinapoyl. We have isolated a member of the BAHD acyltransferase family which catalyzes this malonylation reaction by combining a reverse genetics approach...

journal_title：FEBS letters

authors： D'Auria JC,Reichelt M,Luck K,Svatos A,Gershenzon J

更新日期：2007-03-06 00:00:00

abstract：:We previously showed that the post-translational cleavage of alphav subunit is essential for integrin-dependent signalling and cell adhesion. Here, we report that blocking alphav subunit cleavage by expression of alpha1-PDX, a convertase inhibitor, modified the capacity of cells to change shape, via a remodelling of t...

journal_title：FEBS letters

authors： Berthet V,Rigot V,Nejjari M,Marvaldi J,Luis J

更新日期：2004-01-16 00:00:00

abstract：:Internalization of membrane proteins has been studied for more than three decades without solving all the underlying mechanisms. Our knowledge of the clathrin-coated endocytosis is sufficient to understand the basic principles. However, more detailed insight is required to recognize why different proteins enter clathr...

journal_title：FEBS letters

authors： Strous GJ,Gent J

更新日期：2002-10-02 00:00:00

abstract：:Nuclear magnetic resonance (NMR) spectroscopy was used to determine the secondary structure and the three-dimensional polypeptide backbone fold of the human sterol carrier protein 2 (hSCP2), which is a basic protein with 123 residues believed to participate in the intracellular transport of cholesterol and various oth...

journal_title：FEBS letters

authors： Szyperski T,Scheek S,Johansson J,Assmann G,Seedorf U,Wüthrich K

更新日期：1993-11-29 00:00:00

abstract：:Rhizobium sigma vegetative-dependent promoters are different from those of enteric bacteria and have never been characterized before. We report here the biochemical characterization of the ORF1-ntrBC promoter of Rhizobium etli. The minimal promoter region was located by means of a transcriptional fusion and further ch...

journal_title：FEBS letters

authors： Martino M,Riccio A,Defez R,Iaccarino M,Patriarca EJ

更新日期：1996-06-10 00:00:00

abstract：:Putrescine N-methyltransferase (PMT) catalyses S-adenosylmethionine (SAM)-dependent methylation of putrescine in tropane alkaloid biosynthesis. PMT presumably evolved from the ubiquitous spermidine synthase (SPDS). SPDS protein structure suggested that only few amino acid exchanges in the active site were necessary to...

journal_title：FEBS letters

authors： Biastoff S,Reinhardt N,Reva V,Brandt W,Dräger B

更新日期：2009-10-20 00:00:00

abstract：:The expression of interphotoreceptor retinoid binding protein (IRBP) is limited to photoreceptor cells of the retina and pinealocytes of the pineal gland. We sought to define cis-elements of the mouse IRBP 5' flanking region that are required for this restricted activity. In vitro transient transfections of retinoblas...

journal_title：FEBS letters

authors： Boatright JH,Knox BE,Jones KM,Stodulkova E,Nguyen HT,Padove SA,Borst DE,Nickerson JM

更新日期：2001-08-24 00:00:00

abstract：:Eucaryotic DNA is punctuated by many A+T-rich segments that we named A+T-rich linkers. Two types of these A+T-rich linkers can be distinguished: (i) isolated A+T-rich linkers, and (ii) A+T-rich linkers crowded in clusters. We have analysed the distribution of A+T-rich linker across the alpha- and beta-globin gene doma...

journal_title：FEBS letters

authors： Moreau J,Scherrer K

更新日期：1987-08-31 00:00:00