Reactivation and mutagenesis of UV irradiated lambda phage in bacteria treated with platinum (II) compounds.

abstract：:Bacteria of the Lactococcus (formerly lactic Streptococcus) genus are described to emphasize certain less well-known facts of importance in their successful use as dairy starters. Other streptococci (non-rod forms) are briefly characterized to emphasize their usefulness in industrial milk fermentations. ...

journal_title：Biochimie

authors： Sandine WE

更新日期：1988-04-01 00:00:00

abstract：:Sphingolipids are degraded by sphingomyelinase and ceramidase in the gut to ceramide and sphingosine, which may inhibit cell proliferation and induce apoptosis, and thus have anti-tumour effects in the gut. Although previous rodent studies including experiments on knockout mice indicate a role of neutral ceramidase in...

journal_title：Biochimie

authors： Ohlsson L,Palmberg C,Duan RD,Olsson M,Bergman T,Nilsson A

更新日期：2007-08-01 00:00:00

abstract：:The protein "BCL-2-associated athanogene-1" (BAG-1), which exists in multiple isoforms, promotes cancer cell survival and is overexpressed in many different cancers. As a result, BAG-1-targeted therapy appears to be a promising strategy with which to treat cancer. It has previously been shown that the 5'UTR of the BAG...

journal_title：Biochimie

authors： Bolduc F,Turcotte MA,Perreault JP

更新日期：2020-09-01 00:00:00

abstract：:Ceramidase plays an important role in regulating the metabolism of sphingolipids, such as ceramide, sphingosine (SPH), and sphingosine-1-phosphate (S1P), by controlling the hydrolysis of ceramide. Here we report the cloning and biochemical characterization of a neutral ceramidase from the red flour beetle Tribolium ca...

journal_title：Biochimie

authors： Zhou Y,Lin XW,Yang Q,Zhang YR,Yuan JQ,Lin XD,Xu R,Cheng J,Mao C,Zhu ZR

更新日期：2011-07-01 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：:Because of the ability of photosensitizers to induce specific photochemical reactions in vivo, leading to cell injury and death, many such molecules have been considered as therapeutic agents. Among them two classes of sensitizers, i.e. furocoumarins (psoralens) and porphyrins, are currently used for the photochemothe...

journal_title：Biochimie

authors： Moreno G

更新日期：1986-06-01 00:00:00

abstract：:The recF gene of E coli lies within a cluster of genes which play essential roles in DNA replication; the gene order is dnaA dnaN recF gyrB. Each of these genes has its own promoters which, with the exception of dnaA promoters, reside entirely within the translated region of the respective preceding gene. In this repo...

journal_title：Biochimie

authors： Pérez-Roger I,García-Sogo M,Navarro-Aviñó JP,López-Acedo C,Macián F,Armengod ME

更新日期：1991-02-01 00:00:00

abstract：:The complete nucleotide sequence of a nerve growth factor precursor from Bothrops jararacussu snake (Bj-NGF) was determined by DNA sequencing of a clone from cDNA library prepared from the poly(A) + RNA of the venom gland of B. jararacussu. cDNA encoding Bj-NGF precursor contained 723 bp in length, which encoded a pre...

journal_title：Biochimie

authors： Kashima S,Soares AM,Roberto PG,Pereira JO,Astolfi-Filho S,Cintra AO,Fontes MR,Giglio JR,de Castro França S

更新日期：2002-07-01 00:00:00

abstract：:Herein, we report the purification and biochemical characterization of a novel bi-functional protein proteinase/amylase inhibitor from the dietary leguminous pulse Phaseolus aureus Roxb. (Vigna radiata L.) by means of acetic acid precipitation, salt fractionation, ion-exchange chromatography (DEAE-cellulose) and affin...

journal_title：Biochimie

authors： Haq SK,Atif SM,Khan RH

更新日期：2005-12-01 00:00:00

abstract：:Two forms of baker's yease valyl-tRNA synthetase have been purified to apparent homogeneity by classical methods. It was demonstrated that one of the two forms of the enzyme originates from the other by proteolysis, the respective amounts of each form depending on the physiological state of the yeast. The species main...

journal_title：Biochimie

authors： Kern D,Giegé R,Robre-Saul S,Boulanger Y,Ebel JP

更新日期：1975-01-01 00:00:00

abstract：:The amino acid sequence of rat thymus histone obtained in highly purified form by preparative electrophoresis, was determined. This sequence is identical to the sequence of calf thymus histone H2B. The in vitro phosphorylation of the rat histone with a cyclic AMP-dependent protein kinase isolated from rat pancreas led...

journal_title：Biochimie

authors： Martinage A,Mangeat P,Sautière P,Marchis-Mouren G,Biserte G

更新日期：1979-01-01 00:00:00

abstract：:A synthetic gene of yeast aspartic acid tRNA with a promoter for phage T7 RNA polymerase was cloned in Escherichia coli. The in vitro transcribed tRNA(Asp) molecules are deprived of modified nucleotides and retain their aspartylation capacity. The solution conformation of these molecules was mapped with chemical struc...

journal_title：Biochimie

authors： Perret V,Garcia A,Puglisi J,Grosjean H,Ebel JP,Florentz C,Giegé R

更新日期：1990-10-01 00:00:00

abstract：:The subunit composition of the myosin molecule which is built up from 3 pairs of identical polypeptide chains (2 heavy chains and 2 pairs of light chains), gives it the appearance of having symmetric structure. This homodimeric arrangement in the molecule is in fact asymmetric in its construction as a result of the na...

journal_title：Biochimie

authors： Schaub MC,Watterson JG

更新日期：1981-04-01 00:00:00

abstract：:Sialic acid, a nine-carbon sugar acid usually is present in the non-reducing terminal position of free oligosaccharides and glycoconjugates. Sialylated conjugates in mammals perform important roles in cellular recognition, signaling, host-pathogen interaction and neuronal development. Metabolism of sialylated conjugat...

journal_title：Biochimie

authors： Wickramasinghe S,Medrano JF

更新日期：2011-10-01 00:00:00

abstract：:Snake venom Kunitz-type serine protease inhibitors (KSPIs) exhibit various biological functions including anticoagulant activity. This study elucidates the occurrence and subunit stoichiometry of a putative complex formed between two KSPIs (Rusvikunin and Rusvikunin-II) purified from the native Rusvikunin complex of P...

journal_title：Biochimie

authors： Mukherjee AK,Dutta S,Kalita B,Jha DK,Deb P,Mackessy SP

更新日期：2016-09-01 00:00:00

abstract：:A human replication initiation protein, Cdt1, is a central player in the cell cycle regulation of DNA replication, and geminin down-regulates Cdt1 function by direct binding. It has been demonstrated that Cdt1 hyperfunction resulting from Cdt1-geminin imbalance, for example, by geminin silencing with small interfering...

journal_title：Biochimie

authors： Mizushina Y,Takeuchi T,Hada T,Maeda N,Sugawara F,Yoshida H,Fujita M

更新日期：2008-06-01 00:00:00

abstract：:An efficient phosphotriester methodology based on the use of condensing agents in the presence of several O-nucleophilic catalysts has been developed. ...

journal_title：Biochimie

authors： Efimov VA,Chakhmakhcheva OG

更新日期：1985-07-01 00:00:00

abstract：:At least 6 N-acetylglucosaminyltransferases (GlcNAc-T I, II, III, IV, V and VI) are involved in initiating the synthesis of the various branches found in complex asparagine-linked oligosaccharides (N-glycans), as indicated below: GlcNAc beta 1-6 GlcNAc-T V GlcNAc beta 1-4 GlcNAc-T VI GlcNAc beta 1-2Man alpha 1-6 GlcNA...

journal_title：Biochimie

authors： Brockhausen I,Narasimhan S,Schachter H

更新日期：1988-11-01 00:00:00

abstract：:The purpose of the present study was to investigate the effect of a concentrated preparation (EPA 30) containing eicosapentaenoic acid (EPA, 20:5 n-3) and docosahexaenoic acid (DHA, 22:6 n-3) on the limiting desaturation steps of the polyunsaturated fatty acid biosynthesis in spontaneously hypertensive rats (SHR). Adu...

journal_title：Biochimie

authors： Narce M,Frenoux JM,Dardel V,Foucher C,Germain S,Delachambre MC,Poisson JP

更新日期：1997-02-01 00:00:00

abstract：:The secretome produced by cells within the bone marrow is significant to homeostasis. The bone marrow, a well-studied organ, has multiple niches with distinct roles for supporting stem cell functions. Thus, an understanding of mediators involved in the regulation of stem cells could serve as a model for clinical probl...

journal_title：Biochimie

authors： Eltoukhy HS,Sinha G,Moore CA,Gergues M,Rameshwar P

更新日期：2018-12-01 00:00:00

abstract：:gamma-Aminobutyraldehyde dehydrogenase from Escherichia coli K-12 has been purified and characterized from cell mutants able to grow in putrescine as the sole carbon and nitrogen source. The enzyme has an Mr of 195,000 +/- 10,000 in its dimeric form with an Mr of 95,000 +/- 1,000 for each subunit, a pH optimum at 5.4 ...

journal_title：Biochimie

authors： Prieto MI,Martin J,Balaña-Fouce R,Garrido-Pertierra A

更新日期：1987-11-01 00:00:00

abstract：:Catalase (E.C 1.11.1.6) was purified from leaves of Zandedeschia aethiopica to apparent homogeneity by a one-step hydrophobic interaction chromatography on a phenyl Sepharose CL-4B column. The purified enzyme preparation was obtained with a final recovery of enzyme activity of about 61% and a specific activity of 146 ...

journal_title：Biochimie

authors： Trindade H,Karmali A,Pais MS

更新日期：1988-12-01 00:00:00

abstract：:Elongation factor 1 alpha (EF-1 alpha) was purified to homogeneity from full-grown oocytes of Xenopus laevis. This protein is encoded by a gene previously shown to be expressed in male and female germ cells, and repressed in somatic cells. The purified protein was identified with EF-1 alpha on criteria of molecular ma...

journal_title：Biochimie

authors： Morales J,Mulner-Lorillon O,Denis H,Bellé R

更新日期：1991-09-01 00:00:00

abstract：:Embryonic stem cells (ESCs) are capable of unlimited self-renewal and differentiation into multiple cell types. Recent large-scale analyses have identified various cell surface molecules on ESCs. Some of them are considered to be beneficial markers for characterization of cellular phenotypes and/or play an essential r...

journal_title：Biochimie

authors： Iwagawa T,Ohuchi SP,Watanabe S,Nakamura Y

更新日期：2012-01-01 00:00:00

abstract：:In relation to decreased metabolic sensitivity to catecholamines observed, in vitro, in brown fat of cold-acclimated rats, beta-adrenergic receptors were studied in isolated cells and in a crude membrane preparation from rat interscapular brown adipose tissue. [3H] dihydroalprenolol binding had the same characteristic...

journal_title：Biochimie

authors： Senault C,Le Comte V,Portet R

更新日期：1984-07-01 00:00:00

abstract：:Tryptocidine C (TpcC, cyclo[D-Phe1-Pro2-Trp3-D-Trp4-Asn5-Gln6-Trp7-Val8-Orn9-Leu10]) is a broad-spectrum antimicrobial peptide in the tyrothricin complex produced by a soil bacterium, Brevibacillus parabrevis. Electrospray mass spectrometric studies reveal the oligomerisation of TpcC into dimers and higher oligomers, ...

journal_title：Biochimie

authors： Rautenbach M,Kumar V,Vosloo JA,Masoudi Y,van Wyk RJ,Stander MA

更新日期：2020-12-18 00:00:00

abstract：:Developing a logical and rational methodology for obtaining vaccines, especially against the main parasite causing human malaria (P. falciparum), consists of blocking receptor-ligand interactions. Conserved peptides derived from proteins involved in invasion and having high red blood cell binding ability have thus bee...

journal_title：Biochimie

authors： Patarroyo ME,Salazar LM,Cifuentes G,Lozano JM,Delgado G,Rivera Z,Rosas J,Vargas LE

更新日期：2006-02-01 00:00:00

abstract：:Diacylglycerol kinase (DGK) phosphorylates diacylglycerol to produce phosphatidic acid (PA). The η isozyme of DGK is abundantly expressed in C2C12 myoblasts. However, the role of DGKη in skeletal muscle cells remains unknown. In the present study, we showed that DGKη was downregulated at an early stage of myogenic dif...

journal_title：Biochimie

authors： Sakai H,Murakami C,Usuki T,Lu Q,Matsumoto KI,Urano T,Sakane F

更新日期：2020-10-01 00:00:00

abstract：:The molecular basis for the essential role of cholesterol in mammalian (and other cholesterol-requiring) cells has long been the object of intense interest. Cholesterol has been found to modulate the function of membrane proteins critical to cellular function. Current literature supports two mechanisms for this modula...

journal_title：Biochimie

authors： Yeagle PL

更新日期：1991-10-01 00:00:00

abstract：:The binding of Ca2+ to membrane models composed of diplamitoylphosphatidylcholine (DPPC) and dipalmitoylphosphatidylethanolamine (DPPE) 15N-labeled in the polar head group was investigated at pH 8.5 and pH 9.4 by 15N-NMR spectroscopy. Both phospholipids exhibit a decrease in the chemical shift anisotropy, indicating c...

journal_title：Biochimie

authors： Akoka S,Tellier C

更新日期：1989-01-01 00:00:00