Synthesis and function of isopentenyl adenosine derivatives in tRNA.

abstract：:Estrogen plays an essential role in bone formation, and estrogen modulation dysfunction is tightly associated with postmenopausal osteoporosis (PMOP). The underlying mechanisms of estrogen-mediated osteogenic differentiation have not been well defined. In this study, murine bone marrow mesenchymal stem cells were indu...

journal_title：Biochimie

authors： Gao B,Huang Q,Jie Q,Wang L,Zhang HY,Liu J,Yang L,Luo ZJ

更新日期：2015-03-01 00:00:00

abstract：:All phytopathogenic fungi have two catalase-peroxidase paralogues located either intracellularly (KatG1) or extracellularly (KatG2). Here, for the first time a secreted bifunctional, homodimeric catalase-peroxidase (KatG2 from the rice blast fungus Magnaporthe grisea) has been produced heterologously with almost 100% ...

journal_title：Biochimie

authors： Zámocký M,Droghetti E,Bellei M,Gasselhuber B,Pabst M,Furtmüller PG,Battistuzzi G,Smulevich G,Obinger C

更新日期：2012-03-01 00:00:00

abstract：:The biosynthesis of the beta-lactam antibiotic penicillin is an excellent model for the study of secondary metabolites produced by filamentous fungi due to the good background knowledge on the biochemistry and molecular genetics of the beta-lactam producing microorganisms. The three genes (pcbAB, pcbC, penDE) encoding...

journal_title：Biochimie

authors： Kosalková K,García-Estrada C,Ullán RV,Godio RP,Feltrer R,Teijeira F,Mauriz E,Martín JF

更新日期：2009-02-01 00:00:00

abstract：:Genome-editing technologies, in particular, CRISPR systems, are widely used for targeted regulation of gene expression and obtaining modified human and animal cell lines, plants, fungi, and animals with preassigned features. Despite being well described and easy to perform, the most common methods for construction and...

journal_title：Biochimie

authors： Filippova J,Matveeva A,Zhuravlev E,Stepanov G

更新日期：2019-12-01 00:00:00

abstract：:When ribosomes encounter mRNAs lacking stop codons, two quality-control machineries, NSD for nonstop mRNA decay and ribosome quality control (RQC) for co-translational degradation of the nonstop protein by the proteasome, are triggered to eliminate aberrant molecules. In yeast, it is known that Dom34 (a homolog of eRF...

journal_title：Biochimie

authors： Kashima I,Takahashi M,Hashimoto Y,Sakota E,Nakamura Y,Inada T

更新日期：2014-11-01 00:00:00

abstract：:Skin aging is characterized by different features including wrinkling, atrophy of the dermis and loss of elasticity associated with damage to the extracellular matrix protein elastin. The aim of this study was to investigate the aging process of skin elastin at the molecular level by evaluating the influence of intrin...

journal_title：Biochimie

authors： Mora Huertas AC,Schmelzer CE,Hoehenwarter W,Heyroth F,Heinz A

更新日期：2016-09-01 00:00:00

abstract：:Human mitochondrial aminoacyl-tRNA synthetases (mt-aaRSs), the enzymes which esterify tRNAs with the cognate specific amino acid, form mainly a different set of proteins than those involved in the cytosolic translation machinery. Many of the mt-aaRSs are of bacterial-type in regard of sequence and modular structural o...

journal_title：Biochimie

authors： Messmer M,Blais SP,Balg C,Chênevert R,Grenier L,Lagüe P,Sauter C,Sissler M,Giegé R,Lapointe J,Florentz C

更新日期：2009-05-01 00:00:00

abstract：:Three Plasmodium falciparum serine repeat antigen (SERA) protein peptides were studied by NMR and structure calculations being done in 70:30 water:trifluoroethanol solution. Peptide 22834 was shown to be immunogenic and protective against malaria in Aotus monkeys, whilst native peptide 6737 and its analogue 14096 did ...

journal_title：Biochimie

authors： Cubillos M,Alba MP,Bermúdez A,Trujillo M,Patarroyo ME

更新日期：2003-07-01 00:00:00

abstract：:A key target in the treatment of HIV-1/AIDS has been the viral protease. Here we first studied in silico the evolution of protease resistance. Primary active site resistance mutations were found to weaken interactions between protease and both inhibitor and substrate P4-P4' residues. We next studied the effects of sec...

journal_title：Biochimie

authors： Laco GS

更新日期：2015-11-01 00:00:00

abstract：:The yeast Saccharomyces cerevisiae strain LB332 bearing a mutation in the ERG20 gene encoding farnesyl diphosphate synthase (FPPS) synthesizes significantly longer dolichols than the wild type strain FL100 (14-31 and 14-19 isoprene units, respectively). The measurement of the short chain prenyl alcohols excreted into ...

journal_title：Biochimie

authors： Plochocka D,Karst F,Swiezewska E,Szkopińska A

更新日期：2000-08-01 00:00:00

abstract：:Leishmania is a unicellular protozoan parasite which causes leishmaniasis, a neglected tropical disease. It possess a unique thiol metabolism comprising of several proteins among which, tryparedoxin (cTXN) and tryparedoxin peroxidase (cTXNPx), function in concert as oxidoreductases, utilizing trypanothione as a source...

journal_title：Biochimie

authors： Suman SS,Equbal A,Zaidi A,Ansari MY,Singh KP,Singh K,Purkait B,Sahoo GC,Bimal S,Das P,Ali V

更新日期：2016-02-01 00:00:00

abstract：:Ton-dependent colicins and microcins are actively taken up into sensitive cells at the expense of energy which is provided by the proton motive force of the cytoplasmic membrane. The Ton system consisting of the proteins TonB, ExbB and ExbD is required for colicin and microcin import. Colicins as well as the outer mem...

journal_title：Biochimie

authors： Braun V,Patzer SI,Hantke K

更新日期：2002-05-01 00:00:00

abstract：:Regeneration is an adaptive phenomenon with wide biological implications spread heterogeneously in almost all the organism including human beings. The ability of regeneration varies from species to species for its complexity. Epimorphic regeneration of zebrafish caudal fin tissue is the most widely studied regeneratio...

journal_title：Biochimie

authors： Quoseena M,Vuppaladadium S,Hussain S,Banu S,Bharathi S,Idris MM

更新日期：2020-08-01 00:00:00

abstract：:Adipose tissue is an endocrine organ that plays an essential role in regulating several metabolic functions through the secretion of biological mediators called "adipokines". Dysregulation of adipokines plays a crucial role in obesity-related diseases. Adiponectin (APN) is the most abundant adipokine accounting for th...

journal_title：Biochimie

authors： Villarreal-Molina MT,Antuna-Puente B

更新日期：2012-10-01 00:00:00

abstract：:A non-toxic, direct-acting fibrinolytic serine protease (Bafibrinase) demonstrating thrombolytic and anticoagulant properties was purified from Bacillus sp. strain AS-S20-I. Bafibrinase was monomeric, with a molecular mass of 32.3 kDa. The peptide mass fingerprinting of Bafibrinase revealed only 8.3% sequence coverage...

journal_title：Biochimie

authors： Mukherjee AK,Rai SK,Thakur R,Chattopadhyay P,Kar SK

更新日期：2012-06-01 00:00:00

abstract：:Plasmalogens (Pls) represent a specific subclass of glycerophospholipids characterized by the presence of a vinyl-ether bond at the sn-1 position of glycerol. Pls are quantitatively important in membranes of neuronal tissues, including the brain and the retina, where they can represent until almost two-third of ethano...

journal_title：Biochimie

authors： Saab S,Mazzocco J,Creuzot-Garcher CP,Bron AM,Bretillon L,Acar N

更新日期：2014-12-01 00:00:00

abstract：:The human liver fatty acid binding protein (hFABP1) participates in cellular long-chain fatty acid trafficking and regulation of lipid metabolism and changes in hFABP1 are associated with an increased risk for type 2 diabetes, cardiovascular disease (CVD), and metabolic syndromes. Gene regulation of hFABP1 is not full...

journal_title：Biochimie

authors： Wu YL,Peng XE,Wang D,Chen WN,Lin X

更新日期：2012-02-01 00:00:00

abstract：:Seryl-tRNA synthetases (SerRS) covalently attach serine to cognate tRNA(Ser). Atypical SerRSs, considerably different from canonical enzymes, have been found in methanogenic archaea. A crystal structure of methanogenic-type SerRS revealed a motif within the active site (serine ordering loop; SOL), which undergoes a no...

journal_title：Biochimie

authors： Dulic M,Pozar J,Bilokapic S,Weygand-Durasevic I,Gruic-Sovulj I

更新日期：2011-10-01 00:00:00

abstract：:Vegetable oils, consisting principally of triacylglycerols (TAG), are major sources of calories and essential fatty acids in the human diet. The fatty acid composition of TAG is a primary determinant of the nutritional quality and health-promoting properties of vegetable oils. TAG fatty acid composition also affects t...

journal_title：Biochimie

authors： Msanne J,Kim H,Cahoon EB

更新日期：2020-11-01 00:00:00

abstract：:A thrombin-like enzyme, named BjussuSP-I, isolated from Bothrops jararacussu snake venom, is an acidic single-chain glycoprotein with M(r)=61,000, pI approximately 3.8 and 6% sugar. BjussuSP-I shows high proteolytic activity upon synthetic substrates, such as S-2238 and S-2288. It also shows procoagulant and kallikrei...

journal_title：Biochimie

authors： Sant'Ana CD,Bernardes CP,Izidoro LF,Mazzi MV,Soares SG,Fuly AL,Zingali RB,Magro AJ,Braz AS,Fontes MR,Stábeli RG,Sampaio SV,Soares AM

更新日期：2008-03-01 00:00:00

abstract：:A new apolipoprotein has been identified in VHDL1 and in HDL. This protein is immunologically distinct from already isolated apoproteins. It was isolated by column chromatography on hydroxylapatite. In polyacrylamide gel electrophoresis, its mobility is very close to that of apo D. The amino acid composition differs f...

journal_title：Biochimie

authors： Ayrault-Jarrier M,Alix JF,Polonovski J

更新日期：1978-01-01 00:00:00

abstract：:Acinetobacter baumannii encodes all enzymes required in the tricarboxylic acid (TCA) cycle and glyoxylate bypass except for isocitrate dehydrogenase kinase/phosphatase (IDHKP), which can phosphorylate isocitrate dehydrogenase (IDH) at a substrate-binding Ser site and control the carbon flux in enterobacteria, such as ...

journal_title：Biochimie

authors： Song P,Wang ML,Zheng QY,Wang P,Zhu GP

更新日期：2020-12-05 00:00:00

abstract：:Two soluble forms of brain glutamate dehydrogenase isoproteins were inactivated by pyridoxal 5'-phosphate. Restoration of catalytic activity can be accomplished by dialysis and addition of an excess of cysteine or lysine. Spectral evidence is presented to indicate that the inactivation proceeds through Schiff base for...

journal_title：Biochimie

authors： Cho SW,Lee JE

更新日期：1996-01-01 00:00:00

abstract：:A nuclear poly(ADP-ribose) polymerase (PARP) is activated by gamma-irradiation and consequently synthesizes poly(ADP-ribose) by binding to DNA strand-breaks. This property suggests that PARP is a DNA strand-break-signal generator. Meanwhile, the cell-cycle arrest occurs in G1 and G2 phases following gamma-irradiation....

journal_title：Biochimie

authors： Masutani M,Nozaki T,Wakabayashi K,Sugimura T

更新日期：1995-01-01 00:00:00

abstract：:Apoptosis is the physiological process by which unwanted cells in an organism are killed. Bcl-2, a membrane-bound cytoplasmic protein, and its close relative Bcl-xL, are both effective inhibitors of apoptosis induced by a wide variety of stimuli in many different cell types. In a previous study, we reported that suppr...

journal_title：Biochimie

authors： Cherbonnel-Lasserre C,Dosanjh MK

更新日期：1997-10-01 00:00:00

abstract：:The major pterin in Tetrahymena pyriformis, strain W, earlier suggested to be L-threo-biopterin and named ciliapterin [1] is now identified as D-threo-neopterin (D-monapterin). This is the first example of a natural D-monapterin. This compound was characterized by its chromatographic behavior, its fluorescence propert...

journal_title：Biochimie

authors： Klein R,Tatischeff I,Tham G,Grolière CA

更新日期：1991-10-01 00:00:00

abstract：:Mammalian aminoacylase-1 (Acy1) participates in the breakdown of N-acetylated amino acids during intracellular protein catabolism. Acy1 is most abundantly expressed in the kidney tubular epithelium. Lately, Acy1 deficiency was identified in children with increased urinary excretion of several N-acetylamino acids. Here...

journal_title：Biochimie

authors： Lindner HA,Täfler-Naumann M,Röhm KH

更新日期：2008-05-01 00:00:00

abstract：:Single cell oils (SCOs) are now produced by various microorganisms as commercial sources of arachidonic acid (ARA) and docosahexaenoic acid (DHA). These oils are now used extensively as dietary supplements in infant formulas. An understanding of the underlying biochemistry and genetics of oil accumulation in such micr...

journal_title：Biochimie

authors： Ratledge C

更新日期：2004-11-01 00:00:00

abstract：:Autotaxin (ATX) is a secreted lysophospholipase D involved in synthesis of lysophosphatidic acid (LPA), a phospholipid growth factor acting via specific receptors (LPA1R to LPA6R) and involved in several pathologies including obesity. ATX is secreted by adipocytes and contributes to circulating LPA. ATX expression is ...

journal_title：Biochimie

authors： Rancoule C,Dusaulcy R,Tréguer K,Grès S,Attané C,Saulnier-Blache JS

更新日期：2014-01-01 00:00:00

abstract：:In order to demonstrate the in vivo antioxidant properties of metallothioneins (MTs), the bacteria Escherichia coli was used as a cell reactor in which we compared the metal binding and antioxidative functions of MTs from different species, with different structures and polypeptide lengths. No protective effects of cy...

journal_title：Biochimie

authors： Achard-Joris M,Moreau JL,Lucas M,Baudrimont M,Mesmer-Dudons N,Gonzalez P,Boudou A,Bourdineaud JP

更新日期：2007-12-01 00:00:00