L-tyrosine is the precursor of PQQ biosynthesis in Hyphomicrobium X.

abstract：:Gene array profiling of RNA from cells engineered to express a dominant-negative version of the ETS family member transcription factor Pea3 (polyomavirus enhancer activator 3) identified WT1 as a candidate downstream gene. Given the co-expression of WT1 and Pea3 in developing kidney and breast tissue undergoing mesenc...

journal_title：FEBS letters

authors： Discenza MT,Vaz D,Hassell JA,Pelletier J

更新日期：2004-02-27 00:00:00

abstract：:Contribution of phosphatidic acid (PA) generated by activated phospholipase (PL) D to PLA2 activation was studied in rat peritoneal mast cells. Exogenous didecanoyl PA induced arachidonate liberation in the permeabilized cells which was inhibited by p-bromophenacyl bromide. Upon exposure of the cells to ethanol in a h...

journal_title：FEBS letters

authors： Sato T,Ishimoto T,Akiba S,Fujii T

更新日期：1993-05-24 00:00:00

abstract：:CpG dinucleotides are efficiently methylated in vertebrate genomes except in the CpG islands having a high C+G content. Methylated CpGs are the single most mutated dinucleotide. Sequences surrounding disease causing CpG mutation sites were analyzed from locus-specific mutation databases. Both tetra- and heptanucleotid...

journal_title：FEBS letters

authors： Ollila J,Lappalainen I,Vihinen M

更新日期：1996-11-04 00:00:00

abstract：:The concentration of caffeine required to elute wholly single-stranded DNA from benzoylated DEAE-cellulose is proportional to the polynucleotide length. The use of benzoylated DEAE-cellulose chromatography for isolating and sizing single-stranded regions in double-stranded DNA has been examined using a series of hybri...

journal_title：FEBS letters

authors： Norris MD,Stewart BW

更新日期：1988-02-15 00:00:00

abstract：:Designed mutations within the Streptomyces lividans kcsA gene resulted in a set of mutant proteins, which were characterized in respect to their assembly and channel activities. (i) The amino acid residue leucine 81 located at the external side of KcsA was found to be exchangeable by a cysteine residue without affecti...

journal_title：FEBS letters

authors： Splitt H,Meuser D,Borovok I,Betzler M,Schrempf H

更新日期：2000-04-21 00:00:00

abstract：:The interaction of water oxidising photosystem II preparations with the aqueous environment has been investigated using electron spin echo envelope modulation spectroscopy in the presence of 2H(2)O. The spectra show interaction of 2H of 2H(2)O with the preparation in the S(2) state. The component interacting with wate...

journal_title：FEBS letters

authors： Evans MC,Rich AM,Nugent JH

更新日期：2000-07-14 00:00:00

abstract：:Effects of sulfatide and its precursor galactosylceramide (gal-cer) on the kinetics of production of cytokines were studied. In human mononuclear leucocytes, gal-cer but not sulfatide induced significantly increased amounts of interleukin (IL)-1beta, IL-6 and tumor necrosis factor (TNF) mRNA. In phytohemagglutinin-sti...

journal_title：FEBS letters

authors： Bovin LF,Fredman P,Månsson JE,Buschard K,Bendtzen K

更新日期：1999-07-23 00:00:00

abstract：:Bacterial RNA polymerase (RNAP) serves as a primase during replication of single-stranded plasmids and filamentous phages. Primer RNA (prRNA) synthesis from the origin regions of these replicons depends on the σ factor that normally participates in promoter recognition. However, it was proposed that σ may not be requi...

journal_title：FEBS letters

authors： Esyunina D,Pupov D,Kulbachinskiy A

更新日期：2019-02-01 00:00:00

abstract：:Southern blotting using a 5'-proximal probe of the Saccharomyces cerevisiae CYR1 gene has revealed heterogeneity in laboratory strains. It is demonstrated that strain AB320 contains a Ty1 element inserted in the promoter region of CYR1. The Ty1 orientation suggests that transcription of CYR1 is initiated downstream fr...

journal_title：FEBS letters

authors： Lenzen G,Masson P,Jacquemin JM,Danchin A

更新日期：1987-07-13 00:00:00

abstract：:The molecular species compositions of monoacylglycerols obtained from various rat tissues were examined by reverse-phase high-performance liquid chromatography (HPLC) and gas chromatography-mass spectrometry (GC-MS) analyses. We confirmed that 2-arachidonoylglycerol, an endogenous cannabinoid receptor agonist, is one ...

journal_title：FEBS letters

authors： Kondo S,Kondo H,Nakane S,Kodaka T,Tokumura A,Waku K,Sugiura T

更新日期：1998-06-12 00:00:00

abstract：:Flash excitation of Tris-treated photosystem II (PSII) membranes generated a thermoluminescence band peaking at -20 degrees C, indicating that a positively charged oxidizing equivalent is stably accumulated on donor side of PSII even in the absence of the Mn-cluster. This oxidizing equivalent was sensitive to low conc...

journal_title：FEBS letters

authors： Ono T,Inoue Y

更新日期：1991-01-28 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：: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：:Botulinum neurotoxins (BoNTs), the causative agent of human botulism, are the most potent naturally occurring toxins known. BoNT/A1, the most studied BoNT, is also used as an important biopharmaceutical. In this study, the biological activity of BoNT/A1 is compared to that of BoNT/A2 using neuronal cell models. The da...

journal_title：FEBS letters

authors： Pier CL,Chen C,Tepp WH,Lin G,Janda KD,Barbieri JT,Pellett S,Johnson EA

更新日期：2011-01-03 00:00:00

abstract：:The presence of the hydroxy-aluminium polymer (Al13-(OH)24O4(H2O)12(7+)) was noticed inside synaptosomes when synaptosomes were incubated with Al(NO3)3 at neutral pH values. Dysprosium nitrate (Dy(NO3)3)--a shift reagent--facilities the identification of the Al13 species distinctly inside the synaptosomes. 27Al NMR wa...

journal_title：FEBS letters

authors： Rao GV,Rao KS

更新日期：1992-10-12 00:00:00

abstract：:In prokaryotic and eukaryotic organisms, proteins are efficiently sorted to reach their final destinations in a whole range of subcellular compartments. Targeting is mediated by hydrophobic signal sequences or hydrophilic targeting sequences depending upon the compartment, these sequences being often processed. Protei...

journal_title：FEBS letters

authors： Lazdunski CJ,Benedetti H

更新日期：1990-08-01 00:00:00

abstract：:The integral membrane protein lactose permease of Escherichia coli was purified to homogeneity in detergent micelles. No other proteins could be detected in the final product. The molar ratio of lactose permease to lipid was less than 0.2 in detergent solution, thus the preparation was essentially lipid-free. All mole...

journal_title：FEBS letters

authors： Dornmair K

更新日期：1988-08-01 00:00:00

abstract：:The early response gene IEX-1 modulates apoptosis and cell growth in a poorly defined fashion. Here, we describe the effect of hammerhead ribozymes specifically disrupting IEX-1 expression in 293 cells. Compared to vector control, 293 cells exhibit a reduced growth rate and a slowed cell cycle progression, when stably...

journal_title：FEBS letters

authors： Grobe O,Arlt A,Ungefroren H,Krupp G,Fölsch UR,Schmidt WE,Schäfer H

更新日期：2001-04-13 00:00:00

abstract：:Polysulfide is a bound sulfur species derived from endogenous H2S. When mouse neuroblastoma, Neuro2A cells were exposed to tert-butyl hydroperoxide after treatment with polysulfide, a significant decline in cell toxicity was observed. Rapid uptake of polysulfides induced translocation of Nrf2 into the nucleus, resulti...

journal_title：FEBS letters

authors： Koike S,Ogasawara Y,Shibuya N,Kimura H,Ishii K

更新日期：2013-11-01 00:00:00

abstract：:Acute myeloid leukemia (AML) associated translocations often cause gene fusions that encode oncofusion proteins. Although many of the breakpoints involved in chromosomal translocations have been cloned, in most cases the role of the chimeric proteins in tumorigenesis is not elucidated. Here we will discuss the fusion ...

journal_title：FEBS letters

authors： Martens JH,Stunnenberg HG

更新日期：2010-06-18 00:00:00

abstract：:Ceramide-1-phosphate (CER-1-P) is emerging as a novel bioactive sphingolipid. It is formed by phosphorylation of ceramide catalyzed by ceramide kinase, and has been implicated in different cellular processes. Cer-1-P is mitogenic for fibroblasts, blocks apoptosis in macrophages, controls phagocytosis in neutrophils, a...

journal_title：FEBS letters

authors： Gómez-Muñoz A

更新日期：2004-03-26 00:00:00

abstract：:Pexophagy is a selective autophagy process wherein damaged and/or superfluous peroxisomes undergo vacuolar degradation. In methylotropic yeasts, where pexophagy has been studied most extensively, this process occurs by either micro- or macropexophagy: processes analogous to micro- and macroautophagy. Recent studies ha...

journal_title：FEBS letters

authors： Manjithaya R,Nazarko TY,Farré JC,Subramani S

更新日期：2010-04-02 00:00:00

abstract：:Currently described substrates of the bacterial Tat protein transport system are directed for export by signal peptides containing a pair of invariant arginine residues. The signal peptide of the TtrB subunit of Salmonella enterica tetrathionate reductase contains a single arginine residue but is nevertheless able to ...

journal_title：FEBS letters

authors： Hinsley AP,Stanley NR,Palmer T,Berks BC

更新日期：2001-05-18 00:00:00

abstract：:Secretoneurin is a recently characterized neuropeptide present in the primary amino acid sequence of secretogranin II. We investigated the proteolytic processing of secretogranin II by prohormone convertases in vivo in a cellular system using the vaccinia virus system. Both PC1 and PC2 can cleave the secretogranin II ...

journal_title：FEBS letters

authors： Hoflehner J,Eder U,Laslop A,Seidah NG,Fischer-Colbrie R,Winkler H

更新日期：1995-03-06 00:00:00

abstract：:Growth of E. coli in the presence of the protonophorous uncoupler pentachlorophenol is shown to strongly enhance levels of cytochrome d, a putative Na(+)-motive oxidase. This effect was found to be arrested by chloramphenicol and stimulated by high Na+ concentration in the growth medium. The induction of cytochrome d ...

journal_title：FEBS letters

authors： Bogachev AV,Murtazina RA,Skulachev VP

更新日期：1993-12-20 00:00:00

abstract：:The ability of a yeast nuclear protein to be transported into the nucleus of a higher eukaryotic cell was investigated. Mcm1, a transcriptional activator protein from Saccharomyces cerevisiae, was microinjected into the cytoplasm of Xenopus laevis frog oocytes. Mcm1 was imported into the oocyte nucleus indicating that...

journal_title：FEBS letters

authors： Wagner P,Hall MN

更新日期：1993-04-26 00:00:00

abstract：:DNA-dependent RNA polymerase from blood forms and culture forms of the parasitic protozoan Trypanosoma brucei was resolved into multiple peaks of activity by DEAE-Sephadex chromatography. The enzyme from the two forms was found to be different by several criteria, suggesting that it is subject to developmental control...

journal_title：FEBS letters

authors： Tittawella I

更新日期：1988-01-25 00:00:00

abstract：:Insolubility in non-ionic detergents such as Triton X-100 is a widely used biochemical criterion for characterization of membrane domains. We report here a novel green fluorescent protein fluorescence-based approach to directly determine detergent insolubility of specific membrane proteins. We have applied this method...

journal_title：FEBS letters

authors： Kalipatnapu S,Chattopadhyay A

更新日期：2004-10-22 00:00:00

abstract：:Zinc (Zn) deficiency is often associated with low plasma vitamin A (retinol) concentrations. It has been suggested that the reduction in plasma retinol is secondary to reduced liver retinol binding protein (RBP) synthesis. In the present study, RBP expression was determined in HepG2 cells cultured in either Zn adequat...

journal_title：FEBS letters

authors： Satre MA,Jessen KA,Clegg MS,Keen CL

更新日期：2001-03-02 00:00:00

abstract：:The yeast integral plasma membrane protein Ist2 belongs to a group of membrane proteins which are synthesized from localized mRNAs. The protein reaches the plasma membrane via the ER on a route operating independently of the classical secretory pathway. We have identified a complex peptide-sorting signal located at th...

journal_title：FEBS letters

authors： Franz A,Maass K,Seedorf M

更新日期：2007-02-06 00:00:00