Auxin-induced reactive oxygen species production requires the activation of phosphatidylinositol 3-kinase.

abstract：:Plasmids for the high-level overproduction of wild-type, and C- and N-terminal His-tagged MurG N-acetylglucosaminyl transferase from Escherichia coli were constructed. In complementation tests the three forms were active in vivo. After IPTG induction, growth, spheroplast formation and lysis, overproduced MurG proteins...

journal_title：FEBS letters

authors： Crouvoisier M,Mengin-Lecreulx D,van Heijenoort J

更新日期：1999-04-23 00:00:00

abstract：:The regulatory system of smooth muscle thin filaments is thought to involve a major calcium-calmodulin and actin binding protein: caldesmon. A dissective approach was used to isolate a 35 kDa C-terminal fragment of the molecule and to produce antibodies reacting against both the intact and the 15 kDa N-terminal end of...

journal_title：FEBS letters

authors： Harricane MC,Cavadore C,Audemard E,Mornet D

更新日期：1990-08-20 00:00:00

abstract：:Data from a number of model systems support a role for proteolysis in apoptotic cell death. Using immature rat thymocytes, we demonstrate that the inhibitors N-tosyl-L-lysyl chloromethylketone (TLCK) and N-tosyl-L-phenylalanyl chloromethylketone (TPCK) have very different effects on apoptosis. TLCK inhibits apoptosis ...

journal_title：FEBS letters

authors： Fearnhead HO,Rivett AJ,Dinsdale D,Cohen GM

更新日期：1995-01-09 00:00:00

abstract：:Reticulocyte-type 15-lipoxygenase is known to dioxygenate phospholipids without preceding action of phospholipases A2 (PLA2). Therefore we studied the reaction of the secretory PLA2s (sPLA2) from pancreas and snake venom, and of the human cytosolic PLA2 (cPLA2) with 1-palmitoyl-2-arachidonoyl phosphatidylcholine (PAPC...

journal_title：FEBS letters

authors： Chaitidis P,Schewe T,Sutherland M,Kühn H,Nigam S

更新日期：1998-09-04 00:00:00

abstract：:The L1CAM antibody A10-A3 efficiently reduces tumor growth in a nude mouse model. Here, we describe the crystal structure of the Fab fragment of A10-A3 determined at 2.0 angstrom resolution. The A10-A3 antibody H3 loop reveals a characteristic arrangement of exposed aromatic residues that may play an important role in...

journal_title：FEBS letters

authors： Wei CH,Lee ES,Jeon JY,Heo YS,Kim SJ,Jeon YH,Kim KH,Hong HJ,Ryu SE

更新日期：2011-01-03 00:00:00

abstract：:VASP (vasodilator-stimulated phosphoprotein), a protein associated with microfilaments at cellular contact sites, has been identified as a ligand for profilin and zyxin, two proteins also involved in microfilament dynamics and organization at these regions. Here, we report that VASP also directly binds to vinculin, an...

journal_title：FEBS letters

authors： Reinhard M,Rüdiger M,Jockusch BM,Walter U

更新日期：1996-12-09 00:00:00

abstract：:Human complement component C8gamma is an unusual complement factor since it shows no homology to other complement proteins but is a member of the lipocalin superfamily. So far, it has been found exclusively in plasma, covalently linked to C8alpha by disulfide bridging. We have used dot blot and Northern blot analyses ...

journal_title：FEBS letters

authors： Trojer P,Wojnar P,Merschak P,Redl B

更新日期：1999-03-12 00:00:00

abstract：:De novo synthesis of total and ribosomal ribonucleic acids has been studied during the early stages of Artemia sp. development. By in vivo incorporation studies of [14C]HCO3- an increase has been found in both total and ribosomal RNA synthesis post hatching, with a similar distribution of radioactivity and base compos...

journal_title：FEBS letters

authors： Liras A,Hernández Cruz MC,Rotllán P,Argomaniz L,Llorente P

更新日期：1989-09-25 00:00:00

abstract：:Lipoic acid is a coenzyme essential to the activity of enzymes such as pyruvate dehydrogenase, which play important roles in central metabolism. However, neither the enzymes responsible for biosynthesis nor the biosynthetic event of lipoic acid has been reported in mammalian cells. In this study, a mouse mLIP1 cDNA fo...

journal_title：FEBS letters

authors： Morikawa T,Yasuno R,Wada H

更新日期：2001-06-01 00:00:00

abstract：:A 15-ns molecular dynamics simulation of the fully hydrated liquid-crystalline dimyristoylphosphatidylcholine-cholesterol (DMPC-Chol) bilayer containing approximately 22 mol% Chol was carried out. The generated trajectory was analysed to investigate the mechanism of the Chol condensing effect on DMPC hydrocarbon chain...

journal_title：FEBS letters

authors： Róg T,Pasenkiewicz-Gierula M

更新日期：2001-07-27 00:00:00

abstract：:ROPs constitute a family of plant-specific, RHO-like small GTPases that serve as molecular switches in a wide range of signaling pathways. The activities of ROPs are regulated by guanine nucleotide exchange factors (GEFs). ROP11, a member of the ROP GTPase family in Arabidopsis, is a negative regulator of multiple ABA...

journal_title：FEBS letters

authors： Li Z,Liu D

更新日期：2012-05-07 00:00:00

abstract：:cAMP levels in Paramecium increased dose dependently after a step increase of [Ca] or [Sr] in the incubation, provided K was present. Two mM Ca or Sr tripled cAMP concentrations within 3 s and induced an increase in forward swimming speed. The increase in cAMP formation was strictly dependent on the Donnan ratio [K]: ...

journal_title：FEBS letters

authors： Schultz JE,Grünemund R,von Hirschhausen R,Schönefeld U

更新日期：1984-02-13 00:00:00

abstract：:Antifungal activity has been associated with 2 immunochemically distinct proteins, protein R and S (Mr approximately 23 kDa; pI 9-10), which were isolated in pure form from barley grain. The proteins are homologous with thaumatin- and pathogenesis-related proteins of the PR5 family. The proteins inhibit growth of i.a....

journal_title：FEBS letters

authors： Hejgaard J,Jacobsen S,Svendsen I

更新日期：1991-10-07 00:00:00

abstract：:Lipoprotein MtsA is a critical component of MtsABC responsible for iron binding and transport in the Gram-positive bacterium Streptococcus pyogenes. The present collective experimental data establish that Fe(2+) is the primary binding ion for MtsA under optimal physiologically relevant conditions. The binding affiniti...

journal_title：FEBS letters

authors： Sun X,Ge R,Chiu JF,Sun H,He QY

更新日期：2008-04-16 00:00:00

abstract：:Nerve growth factor (NGF), basic fibroblast growth factor (bFGF), dibutyryl cAMP and forskolin, known differentiating agents for pheochromocytoma PC12 cells, induced sustained activation of sphingosine kinase, the enzyme responsible for the formation of the sphingolipid second messenger, sphingosine-1-phosphate, which...

journal_title：FEBS letters

authors： Rius RA,Edsall LC,Spiegel S

更新日期：1997-11-10 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：:Addition of cyanide to the CO complex of cytochrome oxidase reduces the apparent photosensitivity of the Fe-CO bond. This effect is not seen with azide, or when cyanide is added to ferromyoglobin-CO. It is proposed that cyanide binds to CuB, and restricts the passage of CO out of the protein. This restriction favors g...

journal_title：FEBS letters

authors： Hill BC

更新日期：1994-11-14 00:00:00

abstract：:Macrophage cyclooxygenase-2 (COX-2) transcription is mediated through the collaboration of different promoter elements. Here, the role of an overlapping cyclic AMP responsive element (CRE)/E-box was investigated. Nuclear proteins bound both the CRE and E-box, which synergized with other promoter elements to induce COX...

journal_title：FEBS letters

authors： Mestre JR,Rivadeneira DE,Mackrell PJ,Duff M,Stapleton PP,Mack-Strong V,Maddali S,Smyth GP,Tanabe T,Daly JM

更新日期：2001-05-11 00:00:00

abstract：:We previously showed that autocrine tumor necrosis factor (TNF) production in the TNF-sensitive L929sA fibrosarcoma cell line induced TNF resistance, which is correlated with downmodulation of both TNF receptors on the cell surface. We now analyzed whether autocrine TNF production also interfered with intracellular TN...

journal_title：FEBS letters

authors： Decoster E,Vandevoorde V,Beyaert R,Haegeman G,Fiers W

更新日期：1997-10-20 00:00:00

abstract：:Annexin V is an alpha-helical protein which shows anticoagulatory and antiinflammatory activity. It is supposed to be involved in membrane fusion and exocytosis. In this study acid-induced equilibrium unfolding of the human annexin V is investigated by fluorescence and circular dichroism spectroscopy. The spectroscopi...

journal_title：FEBS letters

authors： Beermann ofm cap BB,Hinz HJ,Hofmann A,Huber R

更新日期：1998-02-20 00:00:00

abstract：:We describe the use of a phage-displayed random pentadecamer peptide library for searching glycosphingolipid mimicking peptides. Two phage clones (AD-1 and AD-2) were selected by biopanning using monoclonal antibody AD117m, directed to lactotetraosylceramide (Lc4Cer). The amino acid sequences of the selected clones sh...

journal_title：FEBS letters

authors： Taki T,Ishikawa D,Hamasaki H,Handa S

更新日期：1997-11-24 00:00:00

abstract：:The autocrine motility factor (AMF) is a multifunctional protein that is involved in tumor progression including enhanced invasiveness via induction of matrix metalloproteinase-3 (MMP3). The increase in MMP3 was found in an AMF-high production tumor cell line, and c-Jun, c-Fos and mitogen-activated protein kinases (MA...

journal_title：FEBS letters

authors： Haga A,Funasaka T,Deyashiki Y,Raz A

更新日期：2008-06-11 00:00:00

abstract：:Dried cells of Brevibacterium ammoniagenes are a good enzyme source for the preparative synthesis of CoA from pantothenic acid, L-cysteine and ATP. A problem with this synthesis is that the CoA synthesis is repressed by negative feedback inhibition by CoA to pantothenate kinase, the first step enzyme for the biosynthe...

journal_title：FEBS letters

authors： Shimizu S,Komaki R,Tani Y,Yamada H

更新日期：1983-01-24 00:00:00

abstract：:Present analysis procedures for NMR structure determination of macromolecules presuppose fixed internuclear distances. Improvement of the precision of the requisite NOE information has stimulated the use of more quantitative distance constraints thus necessitating examination as to whether the assumption of a rigid mo...

journal_title：FEBS letters

authors： LeMaster DM,Kay LE,Brünger AT,Prestegard JH

更新日期：1988-08-15 00:00:00

abstract：:Serine/threonine phosphatases such as PP1, PP2A, and PP2B are well known to regulate the transition phase of the cell cycle. However, the function of PP2Cgamma in cell cycle progression is still unclear. In the present study, we report the characterization of PP2Cgamma in mammalian cells during the cell cycle. After r...

journal_title：FEBS letters

authors： Suh EJ,Kim TY,Kim SH

更新日期：2006-11-13 00:00:00

abstract：:Glucosamine-6-phosphate (GlcN6P) N-acetyltransferase 1 (GNA1) is a key enzyme in the pathway toward biosynthesis of UDP-N-acetylglucosamine, an important donor substrate for N-linked glycosylation. GNA1 catalyzes the formation of N-acetylglucosamine-6-phosphate (GlcNAc6P) from acetyl-CoA (AcCoA) and the acceptor subst...

journal_title：FEBS letters

authors： Wang J,Liu X,Liang YH,Li LF,Su XD

更新日期：2008-09-03 00:00:00

abstract：:Platelet release products and purified platelet-derived growth factor stimulated the phosphorylation of ribosomal protein S6 in cultured mouse Balb/c 3T3 fibroblasts. The post-nuclear fraction of the stimulated cells was enriched in S6 kinase activity specific for sites resembling those phosphorylated within intact ce...

journal_title：FEBS letters

authors： Wettenhall RE,Chesterman CN,Walker T,Morgan FJ

更新日期：1983-10-03 00:00:00

abstract：:The regulation by insulin and carbohydrates of the gene expression of three key enzymes involved in glucose metabolism was studied in the liver of the Wistar fatty rat, a model of obese non-insulin-dependent diabetes mellitus. A high glucose or fructose diet, or insulin administration caused a similar magnitude of inc...

journal_title：FEBS letters

authors： Noguchi T,Matsuda T,Tomari Y,Yamada K,Imai E,Wang Z,Ikeda H,Tanaka T

更新日期：1993-08-09 00:00:00

abstract：:In the methylerythritol phosphate pathway for isoprenoid biosynthesis, the GcpE/IspG enzyme catalyzes the conversion of 2-C-methyl-d-erythritol 2,4-cyclodiphosphate into (E)-4-hydroxy-3-methylbut-2-enyl diphosphate. This reaction requires a double one-electron transfer involving a [4Fe-4S] cluster. A thylakoid prepara...

journal_title：FEBS letters

authors： Seemann M,Tse Sum Bui B,Wolff M,Miginiac-Maslow M,Rohmer M

更新日期：2006-03-06 00:00:00

abstract：:Myotonic dystrophy protein kinase (DMPK) and Rho-kinase are related. An important function of Rho-kinase is to phosphorylate the myosin-binding subunit of myosin phosphatase (MYPT1) and inhibit phosphatase activity. Experiments were carried out to determine if DMPK could function similarly. MYPT1 was phosphorylated by...

journal_title：FEBS letters

authors： Murányi A,Zhang R,Liu F,Hirano K,Ito M,Epstein HF,Hartshorne DJ

更新日期：2001-03-30 00:00:00