Host cell signal transduction during Listeria monocytogenes infection.

abstract：:The stability of the Glossoscolex paulistus hemoglobin (HbGp), in two iron oxidation states (and three forms), as monitored by optical absorption, fluorescence emission and circular dichroism (CD) spectroscopies, in the presence of the chaotropic agent urea, is studied. HbGp oligomeric dissociation, denaturation and i...

journal_title：Archives of biochemistry and biophysics

authors： Carvalho FA,Santiago PS,Tabak M

更新日期：2012-03-01 00:00:00

abstract：:Flavin-dependent monooxygenases catalyze a wide variety of redox reactions in important biological processes and are responsible for the synthesis of highly complex natural products. Although much has been learned about FMO chemistry in the last ~80 years of research, several aspects of the reactions catalyzed by thes...

journal_title：Archives of biochemistry and biophysics

authors： Reis RAG,Li H,Johnson M,Sobrado P

更新日期：2021-01-16 00:00:00

abstract：:The metabolite 5-aminolevulinic acid (ALA) is an early committed intermediate in the biosynthetic pathway of heme and chlorophyll formation. In plants, 5-aminolevulinic acid is synthesized via a two-step pathway in which glutamyl-tRNA(Glu) is reduced by glutamyl-tRNA(Glu) reductase (GluTR) to glutamate 1-semialdehyde,...

journal_title：Archives of biochemistry and biophysics

authors： Loida PJ,Thompson RL,Walker DM,CaJacob CA

更新日期：1999-12-15 00:00:00

abstract：:Brazzein is a 54-amino-acid sweet-tasting protein first isolated from the fruit of Pentadiplandra brazzeana Baillon found in West Africa. Brazzein, as isolated from the fruit, is 500 times sweeter than sucrose on a weight basis (9500 times sweeter on a per-molecule basis). A minor component of brazzein from fruit, des...

journal_title：Archives of biochemistry and biophysics

authors： Assadi-Porter FM,Aceti DJ,Cheng H,Markley JL

更新日期：2000-04-15 00:00:00

abstract：:The sites of expression in the small intestine and the function of CYP2J4, a recently identified rat cytochrome (P450) isoform found to be predominantly expressed in the small intestine, were characterized. Immunoblot analysis with a polyclonal antibody to heterologously expressed CYP2J4 revealed that expression of CY...

journal_title：Archives of biochemistry and biophysics

authors： Zhang QY,Raner G,Ding X,Dunbar D,Coon MJ,Kaminsky LS

更新日期：1998-05-15 00:00:00

abstract：:Erythropoietin (Epo) is crucial for promoting the survival, proliferation, and differentiation of mammalian erythroid progenitors. The central role played by tyrosine phosphorylation of erythropoietin receptor (EpoR) in Epo-cell activation has focused attention on protein tyrosine phosphatases (PTPs) as candidates imp...

journal_title：Archives of biochemistry and biophysics

authors： Callero MA,Vota DM,Chamorro ME,Wenker SD,Vittori DC,Nesse AB

更新日期：2011-01-15 00:00:00

abstract：:Although mutation of mitochondrial DNA (mtDNA) in human tissues has been established to associate with intrinsic aging, the impact of environmental factors on the formation and accumulation of mtDNA mutations and oxidative DNA damage in human tissues is poorly understood. We have investigated the levels of mtDNA with ...

journal_title：Archives of biochemistry and biophysics

authors： Lee HC,Lim ML,Lu CY,Liu VW,Fahn HJ,Zhang C,Nagley P,Wei YH

更新日期：1999-02-15 00:00:00

abstract：:Glycerol phosphate acyltransferase (GPAT) catalyzes the formation of 1-acyl-sn-glycerol-3-phosphate from glycerol-3-phosphate and long chain fatty acyl-CoA substrates. We previously determined the topography of the mitochondrial GPAT1 isoform (mtGPAT1, 828 amino acids). mtGPAT1 has two transmembrane domains (TMDs) (aa...

journal_title：Archives of biochemistry and biophysics

authors： Pellon-Maison M,Coleman RA,Gonzalez-Baró MR

更新日期：2006-06-15 00:00:00

abstract：:Epidemiological evidence strongly suggests that lycopene consumption contributes to prostate cancer risk reduction. Preclinical studies show that lycopene acts via different mechanisms, which have the potential to cooperate in reducing the proliferation of normal and cancerous prostate epithelial cells, in reducing DN...

journal_title：Archives of biochemistry and biophysics

authors： Wertz K,Siler U,Goralczyk R

更新日期：2004-10-01 00:00:00

abstract：:The article summarizes the current knowledge on the pathogenesis, clinical aspects and treatment of bone problems in the major inflammatory bowel diseases (Crohn's disease and ulcerative colitis) and celiac disease. It presents the physiological relationship between intestine and bone as well as the alterations determ...

journal_title：Archives of biochemistry and biophysics

authors： Bianchi ML

更新日期：2010-11-01 00:00:00

abstract：:The common notion in the protein world holds that proteins are synthesized as a linear polypeptide chain, followed by folding into a unique, functional 3D-structure. As outlined in many articles of this volume, this is in fact the case for a great proportion of the proteome. Many proteins and protein domains, however,...

journal_title：Archives of biochemistry and biophysics

authors： Kovacs D,Szabo B,Pancsa R,Tompa P

更新日期：2013-03-01 00:00:00

abstract：:In order to characterize cellular retinoic acid-binding protein (CRABP) from chick embryos, we resolved the [3H]RA-binding activity of embryo extracts by Mono Q anion-exchange chromatography. Fractions containing [3H]RA-binding proteins eluted in two peaks at 7 and 10 min with the latter showing 10-fold higher activit...

journal_title：Archives of biochemistry and biophysics

authors： Venepally P,Reddy LG,Sani BP

更新日期：1996-12-15 00:00:00

abstract：:Hyaluronan controls keratinocyte proliferation and regeneration. We examined effect of UV on the expression of hyaluronan synthases (HASs) and hyaluronidases in cultured normal human newborn foreskin epidermal keratinocytes, NHEK(F). HAS3 mRNA was expressed predominantly and HAS2 mRNA expressed in lesser amounts and b...

journal_title：Archives of biochemistry and biophysics

authors： Kakizaki I,Itano N,Kimata K,Hanada K,Kon A,Yamaguchi M,Takahashi T,Takagaki K

更新日期：2008-03-01 00:00:00

abstract：:The activities, properties, and steady-state kinetics of the five enzymes catalyzing the synthesis of 1-acyl- and 1-alkyl-sn-glycerol 3-phosphate in the cultured skin fibroblasts from Zellweger syndrome patients and normal controls were studied in detail. Judging from their Km and Vmax values, glycerol phosphate acylt...

journal_title：Archives of biochemistry and biophysics

authors： Webber KO,Datta NS,Hajra AK

更新日期：1987-05-01 00:00:00

abstract：:Prostaglandin endoperoxide H synthases-1 and -2 (PGHS-1 and -2) are integral membrane proteins associated with the luminal surface of the endoplasmic reticulum (ER) and the nuclear envelope (NE). The C-terminal sequences of PGHSs end in -Ser/Pro-Thr-Glu-Leu (-S/PTEL), a sequence similar to one of the known ER targetin...

journal_title：Archives of biochemistry and biophysics

authors： Song I,Smith WL

更新日期：1996-10-01 00:00:00

abstract：:Previous studies showed that vegetative cells of Dictyostelium discoideum make a cysteine proteinase called proteinase-1, which contains multiple residues of GlcNAc-1-P linked directly to peptidyl serines. As a prelude to understanding the function of this novel carbohydrate modification, we purified and extensively c...

journal_title：Archives of biochemistry and biophysics

authors： Mehta DP,Etchison JR,Freeze HH

更新日期：1995-08-01 00:00:00

abstract：:The modulation of the plasma membrane calcium pump (PMCA) gene expression is not well understood. We now present evidence that PMCA mRNA is induced by various hormones or agonists via multiple second messenger pathways that include protein kinase C-, cAMP-, and Ca(2+)-dependent mechanisms. Among several types of cultu...

journal_title：Archives of biochemistry and biophysics

authors： Kuo TH,Liu BF,Diglio C,Tsang W

更新日期：1993-09-01 00:00:00

abstract：:The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor that functions as an intracellular mediator in the xenobiotic signaling pathway. Although a number of studies have examined AhR-mediated CYP1A1 induction in detail, recent studies of AhR-null mice have revealed that AhR plays important regu...

journal_title：Archives of biochemistry and biophysics

authors： Kawajiri K,Fujii-Kuriyama Y

更新日期：2007-08-15 00:00:00

abstract：:The cellular environment is crowded with different kinds of molecules with varying sizes, shapes and compositions. Most of the experiments studying the nature and behaviour of a protein have been done on the isolated protein in dilute buffer solutions which actually do not imitate the in vivo situation. To understand ...

journal_title：Archives of biochemistry and biophysics

authors： Shahid S,Ahmad F,Hassan MI,Islam A

更新日期：2015-10-15 00:00:00

abstract：:Under a variety of conditions, the permeability of the inner mitochondrial membrane to small solutes can be nonselectively increased. A classic mitochondrial permeability transition (MPT) was originally identified based on its dependence on matrix Ca2+ and its extreme sensitivity to cyclosporin A (CsA). It is now clea...

journal_title：Archives of biochemistry and biophysics

authors： Kushnareva YE,Haley LM,Sokolove PM

更新日期：1999-03-01 00:00:00

abstract：:A novel halophilic, alkalithermostable lipase LipR2 from Alkalispirillum sp. NM-ROO2 was cloned and expressed. LipR2 was covalently immobilized on Florisil® functionalized with glutaraldehyde. Protein binding efficiency of functionalized Florisil® was 94.7%. Immobilized LipR2 retained 97.5% of specific activity of the...

journal_title：Archives of biochemistry and biophysics

authors： Mesbah NM

更新日期：2019-05-30 00:00:00

abstract：:The activity of acetyl-CoA carboxylase (ACC), the rate-limiting enzyme of fatty acid biosynthesis, can be regulated by both adenine and guanine nucleotides in vitro. We have employed two inhibitors of IMP dehydrogenase, ribavarin and tiazofurin, to investigate a possible role for intracellular nucleotides in ACC regul...

journal_title：Archives of biochemistry and biophysics

authors： Witters LA,Mendel DB,Colliton JW

更新日期：1987-01-01 00:00:00

abstract：:G protein-coupled receptors can be directly modulated by changes in transmembrane voltage in a variety of cell types. Here we show that, while changes in the membrane voltage itself do not induce detectable modifications in the cytosolic Ca(2+) concentration, platelet stimulation with thrombin or the PAR-1 and PAR-4 a...

journal_title：Archives of biochemistry and biophysics

authors： Albarrán L,Dionisio N,López E,Salido GM,Rosado JA

更新日期：2013-10-15 00:00:00

abstract：:The enzyme ketol acid reductoisomerase catalyzes the second common reaction in the biosynthesis of the branched chain amino acids. The reaction is complex as an alkyl migration and a ketone reduction apparently occur as separate steps during the conversion of acetolactate to 2,3-dihydroxy-3-methylbutyrate. This paper ...

journal_title：Archives of biochemistry and biophysics

authors： Mrachko GT,Chunduru SK,Calvo KC

更新日期：1992-05-01 00:00:00

abstract：:Apocynin has been used as an efficient inhibitor of the NADPH oxidase complex and its mechanism of inhibition is linked to prior activation through the action of peroxidases. Here we studied the oxidation of apocynin catalyzed by myeloperoxidase (MPO) and activated neutrophils. We found that apocynin is easily oxidize...

journal_title：Archives of biochemistry and biophysics

authors： Ximenes VF,Kanegae MP,Rissato SR,Galhiane MS

更新日期：2007-01-15 00:00:00

abstract：:Anthocyanins are the main group of natural hydrosoluble pigments in plants. They introduce colouring to foods, with colours ranging from blue to red and orange. Nowadays, their importance for the Food and Pharmaceutical industries is mainly based in the existing scientific work evidencing their beneficial effects on t...

journal_title：Archives of biochemistry and biophysics

authors： de Pascual-Teresa S

更新日期：2014-10-01 00:00:00

abstract：:The tandem repeat 23-residue sequence [TRS23 (145-167): T-T-A-A-P-P-T-P-S-A-T-T-P-A-P-P-S-S-S-A-P-P-E] of human salivary mucin glycoprotein MG2 was examined for its in vitro bactericidal activity against four oral microorganisms, Actinobacillus actinomycetemcomitans, Porphyromonas gingivalis, Streptococcus gordonii, a...

journal_title：Archives of biochemistry and biophysics

authors： Antonyraj KJ,Karunakaran T,Raj PA

更新日期：1998-08-15 00:00:00

abstract：:The key technique in proteome analysis is high-resolution two-dimensional (2D) electrophoretic separation of proteins from biological samples. This method combines isoelectric focusing (IEF) and sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE). Derivatization of protein carbonyls with 2, 4-dinitrop...

journal_title：Archives of biochemistry and biophysics

authors： Reinheckel T,Körn S,Möhring S,Augustin W,Halangk W,Schild L

更新日期：2000-04-01 00:00:00

abstract：:The native conformation of bovine retinal arrestin has been characterized by a variety of spectroscopic methods. The purified protein gives rise to a near uv absorption band centered at 279 nm which results from the absorbance of its 14 tyrosine and one tryptophan residue. The extinction coefficient for this absorptio...

journal_title：Archives of biochemistry and biophysics

authors： Kotake S,Hey P,Mirmira RG,Copeland RA

更新日期：1991-02-15 00:00:00

abstract：:Neutral and acidic glycolipids were extracted from chicken hearts. The neutral and acidic compounds were separated by preparative thin-layer chromatography into eight and two fractions, respectively. Total hydrolysis by mineral acid, permethylation analysis, and sequential cleavage with exoglycosidases showed the pres...

journal_title：Archives of biochemistry and biophysics

authors： Jennemann R,Felding-Habermann B,Geyer R,Stirm S,Wiegandt H

更新日期：1987-10-01 00:00:00