S-adenosylmethionine (SAM)
Improved NOE fitting for flexible molecules based on molecular mechanics data – a case study with S adenosylmethionine
... valuable. S-Adenosylmethionine (AdoMet or SAM) is one such molecule where accurate conformational data are critical to understanding its biological and chemical ...roles. SAM is utilised ...
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Identification and Characterization of the Chlamydia trachomatis L2 S Adenosylmethionine Transporter
... donor SAM to the 16S rRNA molecules in ribosomes, generating the toxic by-product ...SAH. S-Adenosylmethionine synthetase (MAT or AdoMet synthetase [EC ...thesizes SAM from methionine and ...
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Deregulation of S-adenosylmethionine biosynthesis and regeneration improves methylation in the E. coli de novo vanillin biosynthesis pathway
... limiting S-adenosylmethionine (SAM) availability and demonstrate SAM biosynthesis bottleneck upstream of ...O-methyltransferase. SAM is generated from methionine, which in turn is ...
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Characterization of the Candida albicans Amino Acid Permease Family: Gap2 Is the Only General Amino Acid Permease and Gap4 Is an S-Adenosylmethionine (SAM) Transporter Required for SAM-Induced Morphogenesis
... ABSTRACT Amino acids are key sources of nitrogen for growth of Candida albi- cans. In order to detect and take up these amino acids from a broad range of differ- ent and changing nitrogen sources inside the host, this ...
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Overexpression of S adenosylmethionine decarboxylase (SAMDC) in early Xenopus embryos induces cell dissociation and inhibits transition from the blastula to gastrula stage
... Int J Do, BioI 42 675 686 (1998) Oligillal A/tide Overexpression of S adenosylmethionine decarboxylase (SAM DC) in early Xenopus embryos induces cell dissociation and inhibits transition from the blas[.] ...
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Metabolic engineering of Bacillus amyloliquefaciens for enhanced production of S-adenosylmethionine by coupling of an engineered S-adenosylmethionine pathway and the tricarboxylic acid cycle
... 2]. SAM-dependent group transfer reactions can be broadly applied in the fields of chemical biology, synthetic biol- ogy and metabolic engineering ...particular, SAM- dependent methylation is the critical ...
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Pneumocystis Encodes a Functional S-Adenosylmethionine Synthetase Gene
... S-Adenosylmethionine (AdoMet) synthetase (EC 2.5.1.6) is the enzyme that catalyzes the synthesis of AdoMet, a molecule important for all cellular organisms. We have cloned and characterized an AdoMet ...
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Homology modeling of S adenosylmethionine synthase present in E maximum as a drug target and its docking with 1 monocaproin
... (http://www.uniprot.org) S- adenosylmethionine synthase is a kind of enzyme involved in various biological process such as production of secondary metabolites, gene transcription and cell proliferation and ...
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Genomewide Analysis of Mode of Action of the S-Adenosylmethionine Analogue Sinefungin in Leishmania infantum
... ABSTRACT To further our understanding of one-carbon metabolism in the pro- tozoan parasite Leishmania, we conducted genomic screens to study how the parasite responded to sinefungin (SNF) selection. SNF is a structural ...
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Overexpression of S adenosylmethionine decarboxylase impacts polyamine homeostasis during development of Dictyostelium discoideum
... the S-adenosylmethionine decar- boxylase (samdc) gene or treating the cells with methylglyoxal-bis (guanylhydrazone) (MGBG), an inhibitor of ...the S-phase of the cell ...
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Gene expression modifications in the liver caused by binge drinking and S-adenosylmethionine feeding. The role of epigenetic changes
... pathways were half up regulated and half down regulated. The same was true when SAMe ? ethanol was fed. The expression of epigenetically important genes, such as BHMT and Foxn3, was up regulated 3 h post alcohol bolus. ...
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Defective cystathionine beta synthase regulation by S adenosylmethionine in a partially pyridoxine responsive homocystinuria patient
... by S-adenosylmethionine, contrary to a threefold stimulation in control fibroblast ...different S-adenosylmethionine concentrations (0–200 m ...by S-adenosylmethionine in the ...
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GADD45 induction by S-adenosylmethionine inhibits hepatocellular carcinoma cell proliferation during acute ischemia-hypoxia
... Growth arrest DNA damage-inducible gene 45β (GADD45 β ), which influences cell growth, apoptosis and cellular response to DNA damage, is downregulated in hepatocellular carcinoma (HCC). S-adenosylmethionine ...
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Novel liquid chromatography based assays for s-adenosylmethionine and related metabolites
... by SAM and SAH, the rat prostate spm and spd synthases were reported by the same reference to be inhibited by 100 pM SAM 30% and 75% respectively; whereas both enzymes were less sensitive to inhibition by ...
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Immunoassay of S adenosylmethionine and S adenosylhomocysteine: the methylation index as a biomarker for disease and health status
... Mouse monoclonal antibodies were produced based on procedures developed in a previous work [37]. Immu- nization was performed via subcutaneous injection of 0.1 mg of antigen at multiple sites into Balb/c mice. The ...
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Engineered Pichia pastoris for enhanced production of S-adenosylmethionine
... heterologus SAM synthe- tase. The enhanced accumulation of SAM in the recom- binant ...heterologus SAM synthetase insensitive to product inhibition, contribut- ing to the increased SAM ...of ...
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Accumulation of Spliced Avian Retrovirus mRNA Is Inhibited in S-Adenosylmethionine-Depleted Chicken Embryo Fibroblasts
... To RNA levels of mRNA different levelseofmRN methylation with the effects on the processing of viral RNA, we treated td B77 ASV-infected cells with various concentrations of cycloleucine[r] ...
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Mutations in the Drosophila melanogaster Gene Encoding S-adenosylmethionine Suppress Position-Effect Variegation
... In Drosophila melanogaster, the study of trans-acting modifier mutations of positioneffect variegation and Polycomb group (PC-G) genes have been useful tools to investi[r] ...
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Effect of S-adenosylmethionine on human rotavirus RNA synthesis.
... In vitro RNA synthesis by preincubated virions' [3H]UMP AmtAmt of of [3H]UMP Preincubation incorporated into condition acid-insoluble Additions after virus reisolation condition acid-ins[r] ...
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Vitamin B12 insufficiency induces cholesterol biosynthesis by limiting s adenosylmethionine and modulating the methylation of SREBF1 and LDLR genes
... Specifically, we have demonstrated that low vitamin B12 a is associated and independently predicted higher total cholesterol, LDL cholesterol, and cholesterol-to-HDL ratio in serum; b in[r] ...
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