KetosesSugar Alcohols: Polyhydric alcohols having no more than one hydroxy group attached to each carbon atom. They are formed by the reduction of the carbonyl group of a sugar to a hydroxyl group.(From Dorland, 28th ed)Aldehyde Reductase: An enzyme that catalyzes reversibly the oxidation of an aldose to an alditol. It possesses broad specificity for many aldoses. EC 1.1.1.21.Aldose-Ketose Isomerases: Enzymes that catalyze the interconversion of aldose and ketose compounds.Isomerases: A class of enzymes that catalyze geometric or structural changes within a molecule to form a single product. The reactions do not involve a net change in the concentrations of compounds other than the substrate and the product.(from Dorland, 28th ed) EC 5.Carbon-Carbon Double Bond Isomerases: Enzymes that catalyze the shifting of a carbon-carbon double bond from one position to another within the same molecule. EC 5.3.3.Peptidylprolyl Isomerase: An enzyme that catalyzes the isomerization of proline residues within proteins. EC 5.2.1.8.Amino Acid Isomerases: Enzymes that catalyze either the racemization or epimerization of chiral centers within amino acids or derivatives. EC 5.1.1.Carbohydrate Epimerases: Enzymes that catalyze the epimerization of chiral centers within carbohydrates or their derivatives. EC 5.1.3.Imidazolidines: Compounds based on reduced IMIDAZOLINES which contain no double bonds in the ring.Protein Disulfide-Isomerases: Sulfur-sulfur bond isomerases that catalyze the rearrangement of disulfide bonds within proteins during folding. Specific protein disulfide-isomerase isoenzymes also occur as subunits of PROCOLLAGEN-PROLINE DIOXYGENASE.Steroid Isomerases: Enzymes that catalyze the transposition of double bond(s) in a steroid molecule. EC 5.3.3.Cyclophilins: A family of peptidyl-prolyl cis-trans isomerases that bind to CYCLOSPORINS and regulate the IMMUNE SYSTEM. EC 5.2.1.-Sorbitol: A polyhydric alcohol with about half the sweetness of sucrose. Sorbitol occurs naturally and is also produced synthetically from glucose. It was formerly used as a diuretic and may still be used as a laxative and in irrigating solutions for some surgical procedures. It is also used in many manufacturing processes, as a pharmaceutical aid, and in several research applications.

Cobalt proteins. (1/391)

In the form of vitamin B12, cobalt plays a number of crucial roles in many biological functions. However, recent studies have provided information on the biochemistry and bioinorganic chemistry of several proteins containing cobalt in a form other than that in the corrin ring of vitamin B12. To date, eight noncorrin-cobalt-containing enzymes (methionine aminopeptidase, prolidase, nitrile hydratase, glucose isomerase, methylmalonyl-CoA carboxytransferase, aldehyde decarbonylase, lysine-2,3-aminomutase, and bromoperoxidase) have been isolated and characterized. A cobalt transporter is involved in the metallocenter biosynthesis of the host cobalt-containing enzyme, nitrile hydratase. Understanding the differences between cobalt and nickel transporters might lead to drug development for gastritis and peptic ulceration.  (+info)

Construction and characterization of Escherichia coli disruptants defective in the yaeM gene. (2/391)

Escherichia coli disruptants defective in the yaeM gene, which is located at 4.2 min on the chromosome map, were constructed and characterized. The disruptants showed auxotrophy for 2-C-methylerythritol, a free alcohol of 2-C-methyl-D-erythritol 4-phosphate that is a biosynthetic precursor in the nonmevalonate pathway. This result clearly shows that the yaeM gene is indeed involved in this pathway in E. coli.  (+info)

Efficient expression, purification and crystallisation of two hyperthermostable enzymes of histidine biosynthesis. (3/391)

Enzymes from hyperthermophiles can be efficiently purified after expression in mesophilic hosts and are well-suited for crystallisation attempts. Two enzymes of histidine biosynthesis from Thermotoga maritima, N'-((5'-phosphoribosyl)-formimino)-5-aminoimidazol-4-carb oxamid ribonucleotide isomerase and the cyclase moiety of imidazoleglycerol phosphate synthase, were overexpressed in Escherichia coli, both in their native and seleno-methionine-labelled forms, purified by heat precipitation of host proteins and crystallised. N'-((5'-phosphoribosyl)-formimino)-5-aminoimidazol-4-carb oxamid ribonucleotide isomerase crystallised in four different forms, all suitable for X-ray structure solution, and the cyclase moiety of imidazoleglycerol phosphate synthase yielded one crystal form that diffracted to atomic resolution. The obtained crystals will enable the determination of the first three-dimensional structures of enzymes from the histidine biosynthetic pathway.  (+info)

Cloning and heterologous expression of a cDNA encoding 1-deoxy-D-xylulose-5-phosphate reductoisomerase of Arabidopsis thaliana. (4/391)

Various plant isoprenoids are synthesized via the non-mevalonate pathway of isopentenyl diphosphate formation. In this pathway, 1-deoxy-D-xylulose 5-phosphate (DOXP), the first intermediate, is transformed to 2-C-methyl-D-erythritol 4-phosphate (MEP) by an enzyme which was recently cloned from Escherichia coli. In order to find a plant homologue of this 1-deoxy-D-xylulose 5-phosphate reductoisomerase (DXR) we cloned a cDNA fragment from Arabidopsis thaliana which has high homology to the E. coli DXR. By expression of this fragment in E. coli we could demonstrate that it encodes a protein which transforms DOXP to MEP. The antibiotic fosmidomycin specifically inhibits this DXR enzyme activity.  (+info)

A molecular sensor that allows a gut commensal to control its nutrient foundation in a competitive ecosystem. (5/391)

Little is known about how members of the indigenous microflora interact with their mammalian hosts to establish mutually beneficial relationships. We have used a gnotobiotic mouse model to show that Bacteroides thetaiotaomicron, a component of the intestinal microflora of mice and humans, uses a repressor, FucR, as a molecular sensor of L-fucose availability. FucR coordinates expression of an operon encoding enzymes in the L-fucose metabolic pathway with expression of another locus that regulates production of fucosylated glycans in intestinal enterocytes. Genetic and biochemical studies indicate that FucR does this by using fucose as an inducer at one locus and as a corepressor at the other locus. Coordinating this commensal's immediate nutritional requirements with production of a host-derived energy source is consistent with its need to enter and persist within a competitive ecosystem.  (+info)

Gene silencing: Maintaining methylation patterns. (6/391)

Recent studies of an Arabidopsis gene family have shown that inverted repeats can be potent silencers of other identical sequences in the genome, causing them to become stably methylated at cytosine residues. From mutations affecting this process we are beginning to understand how methylation patterns are maintained.  (+info)

Increasing the thermostability of D-xylose isomerase by introduction of a proline into the turn of a random coil. (7/391)

Thermostability can be increased by introducing prolines at suitable sites in target proteins. Two single (G138P, G247D) mutants and one double (G138P/G247D) mutant of xylose isomerase from Streptomyces diastaticus No.7, strain M1033 have been constructed by site-directed mutagenesis. With respect to the wild-type enzyme, G138P showed about a 100% increase in thermostability, and G247D showed an increased catalytic activity. Significantly, the double mutant, G138P/G247D displayed even higher activity than G247D and better heat stability than G138P. Its half life was about 2.5-fold greater than the wild-type enzyme, using xylose as a substrate. Molecular modelling suggested that the introduction of a proline residue in the turn of a random coil may cause the surrounding conformation to be tightened by reducing the backbone flexibility. The change in thermostability can, therefore, be explained based on changes in the molecular rigidity. Furthermore, the improvements in the properties of the double mutant indicated that the advantages of two single mutants can be combined effectively.  (+info)

Arabidopsis PAI gene arrangements, cytosine methylation and expression. (8/391)

Previous analysis of the PAI tryptophan biosynthetic gene family in Arabidopsis thaliana revealed that the Wassilewskija (WS) ecotype has four PAI genes at three unlinked sites: a tail-to-tail inverted repeat at one locus (PAI1-PAI4) plus singlet genes at two other loci (PAI2 and PAI3). The four WS PAI genes are densely cytosine methylated over their regions of DNA identity. In contrast, the Columbia (Col) ecotype has three singlet PAI genes at the analogous loci (PAI1, PAI2, and PAI3) and no cytosine methylation. To understand the mechanism of PAI gene duplication at the polymorphic PAI1 locus, and to investigate the relationship between PAI gene arrangement and PAI gene methylation, we analyzed 39 additional ecotypes of Arabidopsis. Six ecotypes had PAI arrangements similar to WS, with an inverted repeat and dense PAI methylation. All other ecotypes had PAI arrangements similar to Col, with no PAI methylation. The novel PAI-methylated ecotypes provide insights into the mechanisms underlying PAI gene duplication and methylation, as well as the relationship between methylation and gene expression.  (+info)

*Xylose isomerase

The systematic name of this enzyme class is D-xylose aldose-ketose-isomerase. Other names in common use include D-xylose ... specifically those intramolecular oxidoreductases interconverting aldoses and ketoses. The isomerase has now been observed in ... Xylose-isomerases are also commonly called fructose-isomerases due to their ability to interconvert glucose and fructose. ... isomerase, D-xylose ketoisomerase, and D-xylose ketol-isomerase. The activity of D-xylose isomerase was first observed by ...

*Hydroxypyruvate isomerase

The systematic name of this enzyme class is hydroxypyruvate aldose-ketose-isomerase. This enzyme participates in glyoxylate and ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... de Windt FE, van der Drift C (1980). "Purification and some properties of hydroxypyruvate isomerase of Bacillus fastidiosus". ... In enzymology, a hydroxypyruvate isomerase (EC 5.3.1.22) is an enzyme that catalyzes the chemical reaction hydroxypyruvate ⇌ {\ ...

*Corticosteroid side-chain-isomerase

The systematic name of this enzyme class is 11-deoxycorticosterone aldose-ketose-isomerase. Martin KO, Oh SW, Lee HJ, Monder C ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... In enzymology, a corticosteroid side-chain-isomerase (EC 5.3.1.21) is an enzyme that catalyzes the chemical reaction 11- ... Monder C, Martin KO, Bogumil J (1980). "Presence of epimerase activity in hamster liver corticosteroid side chain isomerase". J ...

*Arabinose isomerase

The systematic name of this enzyme class is D-arabinose aldose-ketose-isomerase. Other names in common use include D-arabinose( ... L-fucose) isomerase, D-arabinose isomerase, L-fucose isomerase, and D-arabinose ketol-isomerase. As of late 2007, only one ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... In enzymology, an arabinose isomerase (EC 5.3.1.3) is an enzyme that catalyzes the chemical reaction D-arabinose ⇌ {\ ...

*L-fucose isomerase

The systematic name of this enzyme class is L-fucose aldose-ketose-isomerase. This enzyme participates in fructose and mannose ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... In enzymology, a L-fucose isomerase (EC 5.3.1.25) is an enzyme that catalyzes the chemical reaction L-fucose ⇌ {\displaystyle \ ... The enzyme is a hexamer, forming the largest structurally known ketol isomerase, and has no sequence or structural similarity ...

*L-arabinose isomerase

The systematic name of this enzyme class is L-arabinose aldose-ketose-isomerase. This enzyme participates in pentose and ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... L-arabinose isomerase". J. Biol. Chem. 231 (2): 1031-7. PMID 13539034. Nakamatu T, Yamanaka K (1969). "Crystallization and ... In enzymology, a L-arabinose isomerase (EC 5.3.1.4) is an enzyme that catalyzes the chemical reaction L-arabinose ⇌ {\ ...

*D-lyxose ketol-isomerase

The systematic name of this enzyme class is D-lyxose aldose-ketose-isomerase. Other names in common use include D-lyxose ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... In enzymology, a D-lyxose ketol-isomerase (EC 5.3.1.15) is an enzyme that catalyzes the chemical reaction D-lyxose ⇌ {\ ... ANDERSON RL, ALLISON DP (1965). "PURIFICATION AND CHARACTERIZATION OF D-LYXOSE ISOMERASE". J. Biol. Chem. 240: 2367-72. PMID ...

*L-rhamnose isomerase

The systematic name of this enzyme class is L-rhamnose aldose-ketose-isomerase. Other names in common use include rhamnose ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... I L-RHAMNOSE ISOMERASE FROM LACTOBACILLUS PLANTARUM.]". Biochem. Z. 339: 145-53. PMID 14095156. Molecular and Cellular Biology ... In enzymology, a L-rhamnose isomerase (EC 5.3.1.14) is an enzyme that catalyzes the chemical reaction L-rhamnose ⇌ {\ ...

*Glucuronate isomerase

The systematic name of this enzyme class is D-glucuronate aldose-ketose-isomerase. Other names in common use include uronic ... isomerase, uronate isomerase, D-glucuronate isomerase, uronic acid isomerase, and D-glucuronate ketol-isomerase. This enzyme ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... In enzymology, a glucuronate isomerase (EC 5.3.1.12) is an enzyme that catalyzes the chemical reaction D-glucuronate ⇌ {\ ...

*Ribose isomerase

The systematic name of this enzyme class is D-ribose aldose-ketose-isomerase. Other names in common use include D-ribose ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... In enzymology, a ribose isomerase (EC 5.3.1.20) is an enzyme that catalyzes the chemical reaction D-ribose ⇌ {\displaystyle \ ... Izumori K, Rees AW, Elbein AD (1975). "Purification, crystallization, and properties of D-ribose isomerase from Mycobacterium ...

*Mannose isomerase

The systematic name of this enzyme class is D-mannose aldose-ketose-isomerase. Other names in common use include D-mannose ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... In enzymology, a mannose isomerase (EC 5.3.1.7) is an enzyme that catalyzes the chemical reaction D-mannose ⇌ {\displaystyle \ ... Palleroni NJ; Doudoroff M (1956). "Mannose isomerase of Pseudomonas saccharophila". J. Biol. Chem. 218: 535-548. PMID 13278359 ...

*Galactose-6-phosphate isomerase

The systematic name of this enzyme class is D-galactose-6-phosphate aldose-ketose-isomerase. This enzyme participates in ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... In enzymology, a galactose-6-phosphate isomerase (EC 5.3.1.26) is an enzyme that catalyzes the chemical reaction D-galactose 6- ...

*Arabinose-5-phosphate isomerase

The systematic name of this enzyme class is D-arabinose-5-phosphate aldose-ketose-isomerase. Other names in common use include ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... In enzymology, an arabinose-5-phosphate isomerase (EC 5.3.1.13) is an enzyme that catalyzes the chemical reaction D-arabinose 5 ... arabinose phosphate isomerase, phosphoarabinoisomerase, and D-arabinose-5-phosphate ketol-isomerase. Volk WA (1960). " ...

*Ribose-5-phosphate isomerase

The systematic name of this enzyme class is D-ribose-5-phosphate aldose-ketose-isomerase. RpiA in human beings is encoded on ... Ribose-5-phosphate isomerase deficiency is mutated in a rare disorder, Ribose-5-phosphate isomerase deficiency. The disease has ... Ribose-5-phosphate isomerase (Rpi) is an enzyme that catalyzes the conversion between ribose-5-phosphate (R5P) and ribulose-5- ... The first is an insertion of a premature stop codon into the gene encoding the isomerase, and the second is a missense mutation ...

*4-deoxy-L-threo-5-hexosulose-uronate ketol-isomerase

The systematic name of this enzyme class is 4-deoxy-L-threo-5-hexosulose-uronate aldose-ketose-isomerase. This enzyme is also ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... In enzymology, a 4-deoxy-L-threo-5-hexosulose-uronate ketol-isomerase (EC 5.3.1.17) is an enzyme that catalyzes the chemical ... Preiss J (1966). "4-Deoxy-L-threo-5-hexosulose uronic acid isomerase". Carbohydrate Metabolism. Methods in Enzymology. 9. pp. ...

*S-methyl-5-thioribose-1-phosphate isomerase

... aldose-ketose-isomerase, 1-phospho-5'-S-methylthioribose isomerase, and S-methyl-5-thio-D-ribose-1-phosphate aldose-ketose- ... The systematic name of this enzyme class is S-methyl-5-thio-alpha-D-ribose-1-phosphate aldose-ketose-isomerase. Other names in ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... 1-PMTR isomerase, 5-methylthio-5-deoxy-D-ribose-1-phosphate ketol-isomerase, S-methyl-5-thio-5-deoxy-D-ribose-1-phosphate ketol ...

*Phosphoribosylanthranilate isomerase

... anthranilate aldose-ketose-isomerase. Other names in common use include: PRA isomerase, PRAI, IGPS:PRAI (indole-3-glycerol- ... As the name phosphoribosylanthranilate isomerase suggests, it functions as an isomerase, rearranging the parts of the molecule ... specifically those intramolecular oxidoreductases interconverting aldoses and ketoses. The systematic name of this enzyme class ... anthranilate ketol-isomerase. Phosphoribosylanthranilate isomerase (PRAI) is monomeric and labile in most mesophilic ...

*List of MeSH codes (D08)

... aldose-ketose isomerases MeSH D08.811.399.475.200.174 --- autocrine motility factor MeSH D08.811.399.475.200.350 --- glucose-6- ... triose-phosphate isomerase MeSH D08.811.399.475.400 --- carbon-carbon double bond isomerases MeSH D08.811.399.475.400.700 --- ... steroid isomerases MeSH D08.811.399.475.800 --- sulfur-sulfur bond isomerases MeSH D08.811.399.475.800.550 --- protein ... phosphate isomerase MeSH D08.811.399.475.200.550 --- mannose-6-phosphate isomerase MeSH D08.811.399.475.200.662 --- neuroleukin ...

*1-(5-phosphoribosyl)-5-((5-phosphoribosylamino)methylideneamino)imidazole-4-carboxamide isomerase

... imidazole-4-carboxamide aldose-ketose-isomerase. This enzyme catalyses the following chemical reaction 1-(5-phosphoribosyl)-5 ... 1-(5-phosphoribosyl)-5-((5-phosphoribosylamino)methylideneamino)imidazole-4-carboxamide isomerase (EC 5.3.1.16, N-(5'-phospho-D ... 1-(5-phosphoribosyl)-5-((5-phosphoribosylamino)methylideneamino)imidazole-4-carboxamide isomerase at the US National Library of ... isomerase) of histidine biosynthesis from Salmonella typhimurium". J. Biol. Chem. 241: 3262-3269. PMID 5330429. ...

*D-sedoheptulose 7-phosphate isomerase

... is an enzyme with systematic name D-glycero-D-manno-heptose 7-phosphate aldose-ketose-isomerase. This enzyme catalyses the ... D-sedoheptulose 7-phosphate isomerase (EC 5.3.1.28, sedoheptulose-7-phosphate isomerase, phosphoheptose isomerase, gmhA (gene ... Kim, M.S.; Shin, D.H. (2009). "A preliminary X-ray study of sedoheptulose-7-phosphate isomerase from Burkholderia pseudomallei ... D-sedoheptulose 7-phosphate isomerase at the US National Library of Medicine Medical Subject Headings (MeSH) Molecular and ...

*Isomerase

Like most sugar isomerases, glucose isomerase catalyzes the interconversion of aldoses and ketoses. The conversion of glucose ... Phosphohexose Isomerase Dificiency (PHI) is also known as phosphoglucose isomerase deficiency or Glucose-6-phosphate isomerase ... Generally, "the names of isomerases are formed as "substrate isomerase" (for example, enoyl CoA isomerase), or as "substrate ... A ketose is then formed and the ring is closed again. Glucose-6-phosphate first binds to the active site of the isomerase. The ...

*Mannose phosphate isomerase

MPI must convert an aldose (mannose) to a ketose (fructose), in addition to opening and closing the rings for these sugars. In ... Mannose-6 phosphate isomerase (MPI), alternately phosphomannose isomerase (PMI) (EC 5.3.1.8) is an enzyme which facilitates the ... Anomeric Form used by Phosphomannose Isomerase and Its 1-Epimerization by Phosphoglucose Isomerase". The Journal of Biological ... "Structural Basis for Phosphomannose Isomerase Activity in Phosphoglucose Isomerase from Pyrobaculum Aerophilum: A Subtle ...

*Glucose-6-phosphate isomerase

The mechanism that GPI uses to interconvert glucose 6-phosphate and fructose 6-phosphate (aldose to ketose) consists of three ... Glucose-6-phosphate isomerase (GPI), alternatively known as phosphoglucose isomerase (PGI) or phosphohexose isomerase (PHI), is ... Glucose-6-phosphate isomerase in PROSITE Phosphoglucose Isomerase Glucose phosphate isomerase deficiency This article ... Swan MK, Hansen T, Schonheit P, Davies C (September 2004). "A novel phosphoglucose isomerase (PGI)/phosphomannose isomerase ...

*Glycolysis

Meyerhoff and Junowicz found that the equilibrium constant for the isomerase and aldoses reaction were not affected by ... a ketose), and glyceraldehyde 3-phosphate (an aldose). There are two classes of aldolases: class I aldolases, present in ... Cofactors: Mg2+ G6P is then rearranged into fructose 6-phosphate (F6P) by glucose phosphate isomerase. Fructose can also enter ... The reaction requires an enzyme, phosphohexose isomerase, to proceed. This reaction is freely reversible under normal cell ...

*TPI1

This isomerization of a ketose to an aldose proceeds through an cis-enediol(ate) intermediate. This isomerization proceeds ... Triose Phosphate Isomerase is a member of the alpha and beta (α/β) class of proteins; it is a homodimer, and each subunit ... "Crystal structure of recombinant human triosephosphate isomerase at 2.8 A resolution. Triosephosphate isomerase-related human ... Triosephosphate isomerase is an enzyme that in humans is encoded by the TPI1 gene. This gene encodes an enzyme, consisting of ...
1PII: Three-dimensional structure of the bifunctional enzyme phosphoribosylanthranilate isomerase: indoleglycerolphosphate synthase from Escherichia coli refined at 2.0 A resolution.
Background. The GNPDA2 (glucosamine-6-phosphate deaminase 2) gene is a member of Glucosamine-6-phosphate (GlcN6P) deaminase subfamily, which encoded an allosteric enzyme of GlcN6P. Genome-wide association studies (GWAS) have shown that variations of human GNPDA2 are associated with body mass index and obesity risk, but its function and metabolic implications remain to be elucidated.The object of this study was to characterize the gene structure, expression, and biological functions of GNPDA2 in chickens. Methods. Variant transcripts of chicken GNPDA2 and their expression were investigated using rapid amplification of cDNA ends (RACE) system and real-time quantitative PCR technology. We detected the GNPDA2 expression in hypothalamic, adipose, and liver tissue of Xinghua chickens with fasting and high-glucose-fat diet treatments, and performed association analysis of variations of GNPDA2 with productive traits in chicken. The function of GNPDA2 was further studied by overexpression and small interfering
In enzymology, a xylose isomerase (EC 5.3.1.5) is an enzyme that catalyzes the interconversion of D-xylose and D-xylulose. This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ketoses. The isomerase has now been observed in nearly a hundred species of bacteria. Xylose-isomerases are also commonly called fructose-isomerases due to their ability to interconvert glucose and fructose. The systematic name of this enzyme class is D-xylose aldose-ketose-isomerase. Other names in common use include D-xylose isomerase, D-xylose ketoisomerase, and D-xylose ketol-isomerase. The activity of D-xylose isomerase was first observed by Mitsuhashi and Lampen in 1953 in the bacterium Lactobacillus pentosus. Artificial production through transformed E.coli have also been successful. In 1957, the D-xylose isomerase activity on D-glucose conversion to D-fructose was noted by Kooi and Marshall. It is now known that isomerases have broad ...
anthranilate synthase / indole-3-glycerol phosphate synthase / phosphoribosylanthranilate isomerase [EC:4.1.3.27 4.1.1.48 5.3.1.24 ...
anthranilate synthase / indole-3-glycerol phosphate synthase / phosphoribosylanthranilate isomerase [EC:4.1.3.27 4.1.1.48 5.3.1.24 ...
Keywords: Keywords: DNA methylation - Gene silencing - RNA-directed DNA methylation - RNA interference - Transposon.; Abbreviations: Ac, Activator; BAL, BALL; CMT, CHROMOMETHYLASE; DDM, DECREASE IN DNA METHYLATION; DRM, DOMAIN REARRANGED METHYLTRANSFERASE; En/Spm, Enhancer/Suppressor-mutator; MET, METHYLTRANSFERASE; MOP, MODIFIER OF PARAMUTATION; PAI, PHOSPHORIBOSYLANTHRANILATE ISOMERASE; PTGS, post-transcriptional gene silencing; RdDM, RNA-directed DNA methylation; RNAi, RNA interference; SUP, SUPERMAN; TGS, transcriptional gene silencing; TSI, transcriptionally silent information. Journal Article. 5263 words. Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry ...
1K5H: Crystal structure of 1-deoxy-D-xylulose-5-phosphate reductoisomerase, a crucial enzyme in the non-mevalonate pathway of isoprenoid biosynthesis.
p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.,/p> ,p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.,/p> ,p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).,/p> ,p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x,sup>64,/sup> + x,sup>4,/sup> + x,sup>3,/sup> + x + 1. The algorithm is described in the ISO 3309 standard. ,/p> ,p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.,br /> ,strong>Cyclic redundancy and other checksums,/strong>,br /> ,a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993),/a>),/p> Checksum:i ...
Buy our Recombinant Human GNPDA1 protein. Ab88928 is a full length protein produced in Saccharomyces cerevisiae and has been validated in SDS-PAGE. Abcam…
Perform reliable qPCR with Bio-Rads pre-validated GNPDA2 primer pair, for the Chicken genome. Designed for SYBR Green-based detection.
GNPDA1 Antibody 12312-1-AP has been identified with IHC, WB, ELISA. 12312-1-AP detected 33 kDa band in K-562 cells with 1:500-1:2000 dilution...
GNPDA2 Antibody 17105-1-AP has been identified with IHC, WB, ELISA. 17105-1-AP detected 31 kDa band in rat kidney tissue with 1:500-1:1000 dilution...
Verify ISOMERASES in Scrabble dictionary and games, check ISOMERASES definition, ISOMERASES in wwf, Words With Friends score for ISOMERASES, definition of ISOMERASES.
1997-2006 Healthboard.com. Healthboard.com is a purely informational website, and should not be used as a substitute for professional legal, medical or technical advice. ...
Note from Pfam: this protein didnt match Pfam, but it pretty soon became clear that this protein should have belonged to PF01182. I have rebuilt that family to include this protein. Gene YP_001050605 from SHEWANELLA BALTICA OS155 encodes a protein with 232 residues, whcih has annotated 6-phosphogluconolactonase. Sequence alignment indicates that this proteim belongs to the sugarP_isomerase superfamily. Dali search even suggests this target be a glucose-6-phosphate 1-dehydrogenase or glucosamine-6-phosphate deaminase. More details for this structures investigation will be presented in the future hopefully. ...
MetabolismCentral intermediary metabolismAmino sugarsglucosamine-6-phosphate deaminase (TIGR00502; EC 3.5.99.6; HMM-score: 33.2) ...
Selamat kami ucapkan kepada kelompok yang lolos dan dimohon untuk mempersiapkan ke tahap selanjutnya. Kelompok peserta yang lolos akan dihubungi oleh LO masing-masing. Lomba RPI tahap III akan diadakan pada tanggal 23-25 Oktober 2015 di UNS. Bagi peserta yang belum lolos jangan berkecil hati. Masih ada kesempatan untk berpartisipasi lagi di Ecodays 2016. #Ecodays 2015, Young Generation in Action ...
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MetabolismBiosynthesis of cofactors, prosthetic groups, and carriersOther1-deoxy-D-xylulose-5-phosphate synthase (TIGR00204; EC 2.2.1.7; HMM-score: 20.4) ...
Isomerases are a broad class of enzymes which catalyze structural change in a single molecule in biological systems. These structural changes can be ext...
292123913 - EP 1095153 A1 2001-05-02 - BIOLOGICAL TAGATOSE PRODUCTION BY RECOMBINANT ESCHERICHIA COLI - [origin: WO0068397A1] This invention relates to a recombinant i Escherichia coli /i and a process for producing D-tagatose. In detail, it includes the construction of recombinant i E.coli /i harboring L-arabinose isomerase, whole-cell conversion of D-galactose into D-tagatose by recombinant i E.coli /i expressing L-arabinose isomerase, enzymatic production of D-tagatose by the extract of recombinant i E.coli /i expressing L-arabinose isomerase, and bioconversion by immobilized L-arabinose isomerase.[origin: WO0068397A1] This invention relates to a recombinant i Escherichia coli /i and a process for producing D-tagatose. In detail, it includes the construction of recombinant i E.coli /i harboring L-arabinose isomerase, whole-cell conversion of D-galactose into D-tagatose by recombinant i E.coli /i expressing L-arabinose isomerase, enzymatic production of D-tagatose by the extract of
article{387816, abstract = {L-Arabinose isomerase (E.C. 5.3.1.14) catalyzes the reversible isomerization between L-arabinose and L-ribulose and is highly selective towards L-arabinose. By using a directed evolution approach, enzyme variants with altered substrate specificity were created and screened in this research. More specifically, the screening was directed towards the identification of isomerase mutants with L-ribose isomerizing activity. Random mutagenesis was performed on the Escherichia coli L-arabinose isomerase gene (araA) by error-prone polymerase chain reaction to construct a mutant library. To enable screening of this library, a selection host was first constructed in which the mutant genes were transformed. In this selection host, the genes encoding for L-ribulokinase and L-ribulose-5-phosphate-4-epimerase were brought to constitutive expression and the gene encoding for the native L-arabinose isomerase was knocked out. L-Ribulokinase and L-ribulose-5-phosphate-4-epimerase are ...
Background L-arabinose isomerase (AI) is a crucial catalyst for the biotransformation of D-galactose to D-tagatose. In previous reports, AIs from thermophilic bacterial strains had been wildly...
p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.,/p> ,p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.,/p> ,p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).,/p> ,p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x,sup>64,/sup> + x,sup>4,/sup> + x,sup>3,/sup> + x + 1. The algorithm is described in the ISO 3309 standard. ,/p> ,p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.,br /> ,strong>Cyclic redundancy and other checksums,/strong>,br /> ,a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993),/a>),/p> Checksum:i ...
Tuberculosis, caused by the pathogenic bacteria Mycobacterium tuberculosis, is one of the most widespread and deadly infectious diseases today. Treatment of tuberculosis relies on antibiotics that were developed more than 50 years ago. These are now becoming ineffective due to the emergence of antibiotic resistant strains of the bacteria.. The aim of the research in this thesis was to develop new antibiotics for tuberculosis treatment. To this end, we targeted enzymes from two essential biosynthetic pathways in M. tuberculosis for drug development. The methylerythritol phosphate (MEP) pathway synthesizes a group of compounds called isoprenoids. These compounds have essential roles in all living organisms. The fact that humans utilize a different pathway for isoprenoid synthesis makes the MEP pathway enzymes attractive targets for drug development. We have determined the structures of two essential enzymes from this pathway by X-ray crystallography: 1-deoxy-D-xylulose 5-phosphate reductoisomerase ...
Glucose-6-phosphate isomerase (GPI) (EC 5.3.1.9) or phosphoglucose isomerase (PGI) [1,2] is a dimeric enzyme that catalyzes the reversible isomerization of glucose-6-phosphate and fructose-6-phosphate. PGI is involved in different pathways: in most higher organisms it is involved in glycolysis; in mammals it is involved in gluconeogenesis; in plants in carbohydrate biosynthesis; in some bacteria it provides a gateway for fructose into the Entner-Doudouroff pathway. Besides its role as a glycolytic enzyme, mammalian PGI can function as a tumor-secreted cytokine and an angiogenic factor (AMF) that stimulates endothelial cell motility. Mammalian PGI is also neuroleukin [3], a neurotrophic factor which supports the survival of various types of neurons. The sequence of PGI is conserved among diverse species ranging from bacteria to mammals and structures form a similar fold (see ,PDB:1IAT,) [4,5], comprised of two subdomains that each form an α-β-α sandwich, with the active site located in the ...
The reversible isomerization of fructose-6-phosphate to form glucose-6-phosphate is catalyzed by cytosolic phosphoglucose isomerase (Noltman 1972; Xu and Beutler 1994; Tsuboi et al. 1958).. ...
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8xia: X-ray analysis of D-xylose isomerase at 1.9 A: native enzyme in complex with substrate and with a mechanism-designed inactivator.
van Tilbeurgh, H., J. Jenkins, M. Chiadmi, J. Janin, S. J. Wodak, N. T. Mrabet, and A. M. Lambeir, Protein engineering of xylose (glucose) isomerase from Actinoplanes missouriensis. 3. Changing metal specificity and the pH profile by site-directed mutagenesis., Biochemistry, vol. 31, issue 24, pp. 5467-71, 1992 Jun 23. ...
van Tilbeurgh, H., J. Jenkins, M. Chiadmi, J. Janin, S. J. Wodak, N. T. Mrabet, and A. M. Lambeir, Protein engineering of xylose (glucose) isomerase from Actinoplanes missouriensis. 3. Changing metal specificity and the pH profile by site-directed mutagenesis., Biochemistry, vol. 31, issue 24, pp. 5467-71, 1992 Jun 23. ...
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I kulhydratkemi, også Lobry de Bruyn-van Ekenstein transformation kendt som Lobry de Bruyn-Alberda-van Ekenstein transformation er base eller syre katalyseret omdannelse af en aldose i ketose
glmS and nagB expression in ccpA mutant cells.After washing overnight cultures of WT and ccpA mutant cells, a small aliquot of each was inoculated into CDM-G50
Several hits in gapped BLAST to lacA-related proteins, e.g. residues 4-150 are 43% similar to the enzyme from M.tuberculosis. Residues 5-151 are 40% similar to MG396, a predicted lacA/rpiB galactoside acetyltransferase. Other similarities involve hypothetical proteins and predicted phosphoriboisomerase B proteins (rpiB), e.g. residues 2-153 are 36% similar to RPIB_ECOLI. No significant similarities to T.pallidum or C.trachomatis ...
D-Xylose chemical properties, What are the chemical properties of D-Xylose 31178-70-8, What are the physical properties of D-Xylose ect.
InterPro provides functional analysis of proteins by classifying them into families and predicting domains and important sites. We combine protein signatures from a number of member databases into a single searchable resource, capitalising on their individual strengths to produce a powerful integrated database and diagnostic tool.
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ribose-5-phosphate isomerage B (RpiB):Presented here is a series of crystal structures solved by the Seattle Structural Genomics Center for Infectious Disease (SSGCID) of ribose-5-phosphate isomerase B, or RpiB, from the pathogenic fungus, Coccidioides immitis. This parasite, which resides in the soil in certain parts of the western hemisphere, causes coccidioidomycosis, also known as Valley Fever. The disease is difficult to diagnose as it causes masses which mimics a lung tumor. Ribose-5-phosphate isomerase is an enzyme that catalyzes the conversion between ribose-5-phosphate and ribulose-5-phosphate. This family of enzymes naturally occurs in two distinct classes, RpiA and RpiB, which play, among others, an important role in the pentose phosphate pathway, which converts a type of glucose into other molecules. Although RpiB occurs predominantly in bacteria, the RpiB from this fungal pathogen contains high structural similarity to other known RpiB structures despite modest sequence similarity. The C.
The catabolism of glucose and xylose was studied in a wild type and creA deleted (carbon catabolite de-repressed) strain of Aspergillus nidulans. Both strains were cultivated in bioreactors with either glucose or xylose as the sole carbon source, or in the presence of both sugars. In the cultivations on single carbon sources, it was demonstrated that xylose acted as a carbon catabolite repressor (xylose cultivations), while the enzymes in the xylose utilisation pathway were also subject to repression in the presence of glucose (glucose cultivations). In the wild type strain growing on the sugar mixture, glucose repression of xylose utilisation was observed; with xylose utilisation occurring only after glucose was depleted. This phenomenon was not seen in the creA deleted strain, where glucose and xylose were catabolised simultaneously. Measurement of key metabolites and the activities of key enzymes in the xylose utilisation pathway revealed that xylose metabolism was occurring in the creA ...
Accepted name: L-rhamnose isomerase. Reaction: L-rhamnose = L-rhamnulose. For diagram of reaction click here.. Other name(s): rhamnose isomerase; L-rhamnose ketol-isomerase. Systematic name: L-rhamnose aldose-ketose-isomerase. Comments: Contains two divalent metal ions located at different metal-binding sites within the active site. The enzyme binds the closed ring form of the substrate and catalyses ring opening to generate a form of open-chain conformation that is coordinated to one of the metal sites. Isomerization proceeds via a hydride-shift mechanism. While the enzyme from the bacterium Escherichia coli is specific for L-rhamnose, the enzyme from the bacterium Pseudomonas stutzeri has broad substrate specificity and catalyses the interconversion of L-mannose and L-fructose, L-lyxose and L-xylulose, D-ribose and D-ribulose, and D-allose and D-psicose [2].. Links to other databases: BRENDA, EXPASY, GTD, KEGG, Metacyc, PDB, CAS registry number: 9023-84-1. References:. 1. Domagk, G.F. and ...
There is provided an engineered host cells comprising (a) one or more mutations in one or more endogenous genes encoding a protein associated with iron metabolism; and (b) at least one gene encoding a polypeptide having xylose isomerase activity, and methods of their use thereof.
Lactococcus lactis subsp. lactis (Lactobacillus xylosus) strain NRRL B-4449xylose regulatory protein (xylR), xylose isomerase (xylA), xylulokinase(xylB), mutarotase (xylM), and xyloside transporter (xynT) genes, completecds; and beta-1,4-xylosidase (xynB) gene, partial ...
Amino Acid Isomerases: Enzymes that catalyze either the racemization or epimerization of chiral centers within amino acids or derivatives. EC 5.1.1.
How Proteins Are Made CHAPTER 10. DNA, genes, chromosomes. How does a chemical control so much?. DNA. Deoxyribo Nucleic Acid. Sugar: deoxy ribose Phosphate: H 2 PO 4. Nitrogen base: Adenine Guanine Thymine Cytosine. Answers Slideshow 6843979 by kevin-mclaughlin
N<-c(32,32) eg<-sim.mulmod(N=N) lf<-leafsfirst(eg) ngrid<-4 lf.redu<-treedisc(lf,eg,ngrid=ngrid) lf.plot<-lf.redu lf.plot$level<-c(0,1,1,1,2,2,,3) stepsi<-lf$maxdis/(ngrid+1) rad<-seq(stepsi,lf$maxdis-stepsi,stepsi) roundrad<-round(rad,digits=3) dm<-draw.pcf(eg) d<-2 n<-6 dendat<-matrix(0,n,d) dendat[1,]<-c(0.2,1.5) dendat[2,]<-c(1.5,1.3) dendat[3,]<-c(0,0) dendat[4,]<-c(2.6,0) dendat[5,]<-c(1.5,2.3) dendat[6,]<-c(2,3.3) xala<--1.5 xyla<-5 yala<--1.5 yyla<-5.3 # frame 1 plot(dendat,xlab="",ylab="",xlim=c(xala,xyla),ylim=c(yala,yyla)) # frame 2 plot(dendat,xlab="",ylab="",xlim=c(xala,xyla),ylim=c(yala,yyla)) contour(dm$x,dm$y,dm$z,levels=roundrad,add=TRUE, col=c("red","red","black","red"),lwd=c(3,3,1,3)) # frame 3 plot(dendat,xlab="",ylab="",xlim=c(xala,xyla),ylim=c(yala,yyla)) arrows(dendat[1,1],dendat[1,2],dendat[2,1],dendat[2,2],length=0.15) arrows(dendat[2,1],dendat[2,2],dendat[3,1],dendat[3,2],length=0.15) arrows(dendat[2,1],dendat[2,2],dendat[4,1],dendat[4,2],length=0.15) ...
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Find patient medical information for D-Xylose (Bulk) on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.
Given the onslaught of ever more new programming languages and having had to waste a lot of time and effort learning a dozen languages over the decades, most of which are now obsolete, I often find myself saying "Great, just what the world needs YAFL". Ill let you guess the meaning of "YAFL ...
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OLearys, located at 2253 15th Street, will close from next Tuesday, September 27, through October 11 and pay a $6,000 fine, according to the SLA.. The penalties stem from an April 28 investigation by the SLA and Troy Police Department that found four minors with alcohol inside the tavern. The probe comes in part as a response to complaints from neighbors about raucous behavior by bar patrons.. ...
Was the shower scene presented in a titillating or gratuitous manner? Not a rhetorical question; I genuinely dont know, since I havent seen it. Remind me agai
Partnerships for Development of Vaccines to Prevent Mycobacterium tuberculosis Infection and/or Tuberculosis Disease (R01) (RFA-AI-16-079) National Institute of Allergy and Infectious Diseases Application Receipt Date(s): March 2, 2017, by 5:00 PM local time of applicant organization. All types of non-AIDS applications allowed for this funding opportunity announcement are due on this date. Applicants are encouraged…
Yeast cells are transformed with an exogenous xylose isomerase gene. Additional genetic modifications enhance the ability of the transformed cells to ferment xylose to ethanol or other desired fermentation products. Those modifications, include deletion of non-specific or specific aldose reductase gene(s), deletion of xylitol dehydrogenase gene(s) and/or overexpression of xylulokinase.
Xylose is the main pentose and second most abundant sugar in lignocellulosic feedstocks. To improve xylose utilization, necessary for the cost-effective bioconversion of lignocellulose, several metabolic engineering approaches have been employed in t
D-Xylose or L-arabinose-consuming S. cerevisiae strains have previously been independently developed by introduction of heterologous enzymes necessary for the assimilation of either of the sugars [6, 7, 10-12]. However, co-fermentation of the two pentose sugars by S. cerevisiae has not, to the best of our knowledge, previously been reported. We have introduced both the arabinose and the xylose pathways in S. cerevisiae strains to investigate the effects and possible limitations of the combined metabolism of the two pentoses. Xylose utilization was enabled by overexpression of the P. stipitis genes coding for XR and XDH as well as the endogenous XK through chromosomal integration. Arabinose assimilation was enabled through heterologous expression of the bacterial arabinose pathway consisting of L-arabinose isomerase (AraA), L-ribulokinase (AraB) and L-ribulose-5-P-4-epimerase (AraD) genes.. The combination of xylose and arabinose pathways was first tested in a laboratory strain. However, ...
Indole-3-glycerol phosphate synthase (EC 4.1.1.48) (IGPS) catalyzes the fourth step in the biosynthesis of tryptophan: the ring closure of 1-(2-carboxy-phenylamino)-1-deoxyribulose into indol-3-glycerol-phosphate. In some bacteria, IGPS is a single chain enzyme. In others - such as Escherichia coli - it is the N-terminal domain of a bifunctional enzyme that also catalyzes N-(5-phosphoribosyl)anthranilate isomerase (PRAI) activity, the third step of tryptophan biosynthesis. In fungi, IGPS is the central domain of a trifunctional enzyme that also contains a PRAI C-terminal domain and a glutamine amidotransferase N-terminal domain. The N-terminal section of IGPS contains a highly conserved region which X-ray crystallography studies [1] have shown to be part of the active site cavity. We use this region as a signature pattern for IGPS. Last update: April 2006 / Pattern revised. ...
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There are no specific protocols for Recombinant |em|E. coli |/em| Mannose Phosphate Isomerase protein (ab56727). Please download our general protocols booklet
Glucose 6 phosphate isomerase小鼠单克隆抗体可与小鼠, 人样本反应并经WB, IP, ELISA, IHC, Flow Cyt, ICC/IF实验严格验证并得到6个独立的用户反馈。
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Myers,G.S., Rasko,D.A., Cheung,J.K., Ravel,J., Seshadri,R., DeBoy,R.T., Ren,Q., Varga,J., Awad,M.M., Brinkac,L.M., Daugherty,S.C., Haft,D.H., Dodson,R.J., Madupu,R., Nelson,W.C., Rosovitz,M.J., Sullivan,S.A., Khouri,H., Dimitrov,G.I., Watkins,K.L., Mullig, "Skewed genomic variability in strains of the toxigenic bacterial pathogen, Clostridium perfringens", Genome Res. 16 (8), 1031-1040 (2006) PUBMED 16825665 ...
In the Lindemann chemical kinetic treatment of the isomerization of molecule A to its isomer B, as in the isomerization reaction of cyclopropane to propene
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Creative-Proteomics offer cas 478511-34-1 GUANOSINE:H2O (RIBOSE-5,5-D2, 98%). We are specialized in manufacturing Stabel Isotope Labeled Analytical Standard products.
Define xylose: a crystalline aldose sugar C5H10O5 that is not fermentable with ordinary yeasts and occurs especially as a constituent of xylans from …
KAZ L-Arabinose is a natural sugar blocker. It has GRAS (Generally Recognized as Safe) status, and blocks sugar absorption to the body.
critics: ted NGAI (RPI) & cesare GRIFFA (Politecnico). suckerPUNCH: Describe your project.. cesar g. MADRIGAL, alex DORN, marco CAPRANI, & andrea TERRENO: Adaptive Respiration is a response to an intensive six-week workshop that merges parametric technology and the study of animal physiologies to create an intelligent skin that responds to its internal and external environments. [MORE]. ...
Chloroplasts generate important cellular signals and synthesize diverse products. The chloroplast-localized protein, Nitric Oxide Associated-1 (NOA1), is implicated in nitric oxide (NO) accumulation and linked to the methylerythritol phosphate (MEP) pathway, but its role is undefined. I report that NOA1 is not essential for NO accumulation because the noa1 mutant accumulates NO when provided sucrose-supplemented media. Therefore, chloroplast function and fixed carbon, but not NOA1 are likely critical for plant NO accumulation. noa1 is also resistant to fosmidomycin, an inhibitor of the MEP pathway. This phenotype led to uncovering a potential link between the MEP and tetrapyrrole pathways. I report that fosmidomycin toxicity is light dependent and reduced by phytol supplementation. Downregulation of the tetrapyrrole pathway enhances fosmidomycin resistance, suggesting that reduced tetrapyrrole biosynthesis alleviates fosmidomycin toxicity. These findings reveal new insight into how impairment of ...
Erythritol is an important nutrient for several α-2 Proteobacteria, including N2-fixing plant endosymbionts and Brucella, a worldwide pathogen that finds this four-carbon polyol in genital tissues. Erythritol metabolism involves phosphorylation to l-erythritol-4-phosphate by the kinase EryA and oxidation of the latter to l-3-tetrulose 4-phosphate by the dehydrogenase EryB. It is accepted that further steps involve oxidation by the putative dehydrogenase EryC and subsequent decarboxylation to yield triose-phosphates. Accordingly, growth on erythritol as the sole C source should require aldolase and fructose-1,6-bisphosphatase to produce essential hexose-6-monophosphate. However, we observed that a mutant devoid of fructose-1,6-bisphosphatases grew normally on erythritol and that EryC, which was assumed to be a dehydrogenase, actually belongs to the xylose isomerase superfamily. Moreover, we found that TpiA2 and RpiB, distant homologs of triose phosphate isomerase and ribose 5-phosphate isomerase ...
Bacteria take up and metabolize sugar as a carbohydrate source for survival. Most bacteria can utilize many sugars, including glucose, sucrose, and galactose, as well as amino sugars, such as glucosamine and N-acetylglucosamine. After entering the cytoplasm, the sugars are mainly allocated to the glycolysis pathway (energy production) and to various bacterial component biosynthesis pathways, including the cell wall, nucleic acids and amino acids. Sugars are also utilized to produce several virulence factors, such as capsule and lipoteichoic acid. Glutamine-fructose-6-phosphate aminotransferase (GlmS) and glucosamine-6-phosphate deaminase (NagB) have crucial roles in sugar distribution to the glycolysis pathway and to cell wall biosynthesis. In Streptococcus mutans, a cariogenic pathogen, the expression levels of glmS and nagB are coordinately regulated in response to the presence or absence of amino sugars. In addition, the disruption of this regulation affects the virulence of S. mutans. The expression
There are many industrially-relevant enzymes that while active, are severely limited by thermodynamic, kinetic, or stability issues (isomerases, lyases, transglycosidases). In this work, we study Lactobacillus sakei l-arabinose isomerase (LsLAI) for d-galactose to d-tagatose isomerization-that is limited by all three reaction parameters. The enzyme demonstrates low catalytic efficiency, low thermostability at temperatures | 40 °C, and equilibrium conversion | 50%. After exploring several strategies to overcome these limitations, we show that encapsulating LsLAI in gram-positive Lactobacillus plantarum that is chemically permeabilized enables reactions at high rates, high conversions, and elevated temperatures. In a batch process, this system enables ~ 50% conversion in 4 h starting with 300 mM galactose (an average productivity of 37 mM h−1), and 85% conversion in 48 h. We suggest that such an approach may be invaluable for other enzymatic processes that are similarly kinetically-, thermodynamically-
In some studies, high yields and productivities were achieved. Immobilized L-arabinose isomerase in calcium alginate produced 145 g/L of tagatose with 48 % conversion of galactose and a productivity of 54 g/Lh in a packed-bed reactor [123]. An enzyme of T. 9 % and a productivity up to 10 g/Lh with, however, lower conversion. After incubation of the resulting syrup with S. cerevisiae, purities above 95 % were achieved [85]. The enzyme of T. neapolitana immobilized on chitopearl beds gave a tagatose concentration of 138 g/L at 70 C [86]. Lee WJ, Ryu Seo JH (2000) Characterization of two-substrate fermentation processes for xylitol production using recombinant Saccharomyces cerevisiae containing xylose reductase gene. Process Biochem 35(10):1199-1203 83. Leuchtenberger W, Huthmacher K, Drauz K (2005) Biotechnological production of amino acids and derivatives: current status and prospects. Appl Microbiol Biotechnol 69(1):1-8 84. Li Y, Zhu Y, Liu A et al (2011) Identification and characterization of ...
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Jun 29, 2015 , Events, HISA news, State branch. With HISA membership growing all around the country, there is interest in re-establishing a Tasmanian branch of HISA. Tasmania and HISA already have strong connections. HIC 1999 was hosted in Tasmania and several founding/early members were based in our ...
Peptidyl-prolyl isomerases (PPIases) are a well conserved class of enzymes found throughout nature in microorganisms, plants and animals. They are characterized by their ability to catalyze the conversion of cis- and trans- peptidyl-proline bonds in proteins and consequently are able to exert control over target protein structure and function.
RPI AMBULANCE. GLUCOMETRY. Topics to Cover. Indications for Blood Glucose testing Symptoms/Differences of Hypoglycemia and Hyperglycemia Treatment for hypoglycemia and hyperglycemia Required equipment to test Blood Glucose levels How to use the equipment . Slideshow 2460293 by herbst
TORONTO, ONTARIO--(Marketwired - July 22, 2015) - Xylitol Canada Inc., (TSX VENTURE:XYL) an innovator in xylose extraction and xylitol sweetened consumer packaged goods is pleased to announce that the Company is entering its final phases of engineering for its planned xylose production facility. Xylitol Canada has been committed to developing...
Froman,B.E., Tait,R.C. and Gottlieb,L.D. Isolation and characterization of the phosphoglucose isomerase gene from Escherichia coli. Mol. Gen. Genet. 217 (1): 126-131 (1989) [Medline: 89364675 ...
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Yes, yes, we all know it supposed purpose is to teach kids to code, but I mean, come on, wheres the fun in that? If the target audience are anything like my two iPod junkies, then just learning to writing code is only going to interest the tiniest minority. Thankfully, it turns out that theres quite a lot you can do with your RPi. Which is important, because your average Linux head isnt going to persuade ten year olds to start pootling around with Scratch. But if a £29 PC is merely the gateway to doing other more exciting STUFF, then they may have to learn some coding to get it all to work.. In their defence, the average(?) Linux head is inured in a culture of solving common problems, talking about them in forums, and posting fairly detailed workthroughs. Whats more interesting is seeing the crossover between Linux heads, open source electronicistas and a wide range of niche hobbyists. RPi is seeing action with groups from Apiarists (do you know the current state of your hive?) to ...
Since this is the new year, a lot of (non-track) folks are trying to lose weight. Yesterdays article was on abdominal training for elite athletes, but the
L Arabinose is a monosaccharide containing 5 carbon atoms. L-Arabinose is a white crystalline powder with a sweetness about 50% of that of sugar. ...
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Yeast S. cerevisiae has been used for industrial bioethanol production because of its superior capacity, such as robust fermentation, inhibitor tolerance, and high ethanol productivity [1, 34]. The XI pathway, which can circumvent the redox cofactor imbalance, has been proposed as the most efficient pathway in S. cerevisiae to produce ethanol from xylose [29]. Several XI genes have been reported to be functional in S. cerevisiae. Thus, the recombinant yeast strains expressing the XI genes isolated from Piromyces sp. E2, C. phytofermentans, Orpinomyces, and Bacteroides fermented xylose efficiently after long-term adaptation to xylose and extensive genetic engineering [2, 14, 26, 35-38]. Here, for the first time, we report isolation of novel XI clones from the protists residing in the termite hindgut; these newly cloned XI genes exhibited low sequence identity with other known XI genes, several of which were functionally expressed in S. cerevisiae. Although we performed multiple homology searches ...
In this work, we rewired the xylose isomerase assimilation and mitochondrial isobutanol production pathways in the budding yeast Saccharomyces cerevisiae. We then increased the flux through these pathways by making gene deletions of BAT1, ALD6, and PHO13, to develop a strain (YZy197) that produces as much as 4 g/L of BCHAs (3.10 ± 0.18 g isobutanol/L and 0.91 ± 0.02 g 2-methyl-1-butanol/L) from xylose. This represents approximately a 28-fold improvement on the highest isobutanol titers obtained from xylose previously reported in yeast and the first report of 2-methyl-1-butanol produced from xylose. The yield of total BCHAs is 57.2 ± 5.2 mg/g xylose, corresponding to ~ 14% of the maximum theoretical yield. Respirometry experiments show that xylose increases mitochondrial activity by as much as 7.3-fold compared to glucose. ...
D-Xylose is a five-carbon aldose (pentose, monosaccharide) that can be catabolized or metabolized into useful products by a variety of organisms. There are at least four different pathways for the catabolism of D-xylose: An oxido-reductase pathway is present in eukaryotic microorganisms. Prokaryotes typically use an isomerase pathway, and two oxidative pathways, called Weimberg and Dahms pathways respectively, are also present in prokaryotic microorganisms. This pathway is also called the "Xylose Reductase-Xylitol Dehydrogenase" or XR-XDH pathway. Xylose reductase (XR) and xylitol dehydrogenase (XDH) are the first two enzymes in this pathway. XR is reducing D-xylose to xylitol using NADH or NADPH. Xylitol is then oxidized to D-xylulose by XDH, using the cofactor NAD. In the last step D-xylulose is phosphorylated by an ATP utilising kinase, XK, to result in D-xylulose-5-phosphate which is an intermediate of the pentose phosphate pathway. Because of the varying cofactors needed in this pathway and ...
Vγ9/Vδ2 T cells are unique to humans and primates and represent a minor and unconventional constituent of the leukocyte population in peripheral blood (0.5-5%); yet they are assumed to play an early and essential role in sensing danger by invading pathogens as they expand dramatically in many acute infections and may exceed all other lymphocytes within a few days, e.g. in tuberculosis, salmonellosis, ehrlichiosis, brucellosis, tularemia, listeriosis, toxoplasmosis, and malaria. Of note, all Vγ9/Vδ2 T cells recognize the same small microbial compound (E)-4-hydroxy-3-methyl-but-2-enyl pyrophosphate (HMB-PP), a natural intermediate of the non-mevalonate pathway of isopentenyl pyrophosphate (IPP) biosynthesis.[5] HMB-PP is an essential metabolite in most pathogenic bacteria including Mycobacterium tuberculosis and malaria parasites, but is absent from the human host. Bacterial species that lack the non-mevalonate pathway and synthesize IPP via the classical mevalonate pathway instead, such as ...
a-amylases (EC 3.2.1.1), p-amylases (EC 3.2.1.2), glucan 1,4-α-glucosidases (EC 3.2.1.3), endo-1,4-beta-glucanase (celiulases, EC 3.2.1.4), endo-1,3(4)-p-glucanases (EC 3.2.1.6), endo-1,4-p-xylanases (EC 3.2.1.8), dextranases (EC 3.2.1.11), chitinases (EC 3.2.1.14), polygalacturonases (EC 3.2.1.15), lysozymes (EC 3.2.1.17), β-glucosidases (EC 3.2.1.21), a-galactosidases (EC 3.2.1.22), p-galactosidases (EC 3.2.1.23), amyio-1,6-glucosidases (EC 3.2.1.33), xylan 1,4-p-xyiosidases (EC 3.2.1.37), glucan endo-1,3-p-D-glucosidases (EC 3.2.1.39), a-dextrin endo-1,6-α-glucosidases (EC3.2.1.41), sucrose a-gtucosidases (EC 3.2.1.48), glucan endo-1,3-α-glucosidases (EC 3.2.1.59), gtucan 1,4-p-gtucosidases (EC 3.2.1.74), glucan endo-1,6-β-glucosidases (EC 3.2.1.75), galactanases (EC 3.2.1.89), arabi-nan endo-1,5-a-L-arabinosidases (EC 3.2.1.99), lactases (EC 3.2.1.108), chitosanases (EC 3.2.1.132), endo-mannanase (EC 3.2.1.78) and xylose isomerases (EC 5.3.1.5). In a particular embodiment of the present ...
TY - JOUR. T1 - Production of biofuels and chemicals from xylose using native and engineered yeast strains. AU - Kwak, Suryang. AU - Jo, Jung Hyun. AU - Yun, Eun Ju. AU - Jin, Yong-Su. AU - Seo, Jin Ho. PY - 2019/3/1. Y1 - 2019/3/1. N2 - Numerous metabolic engineering strategies have allowed yeasts to efficiently assimilate xylose, the second most abundant sugar component of lignocellulosic biomass. During the investigation of xylose utilization by yeasts, a global rewiring of metabolic networks upon xylose cultivation has been captured, as opposed to a pattern of glucose repression. A clear understanding of the xylose-induced metabolic reprogramming in yeast would shed light on the optimization of yeast-based bioprocesses to produce biofuels and chemicals using xylose. In this review, we delved into the characteristics of yeast xylose metabolism, and potential benefits of using xylose as a carbon source to produce various biochemicals with examples. Transcriptomic and metabolomic patterns of ...
0121] X is CH2, O, N--R1, or S, preferably O; R1 is H or C1-C3 alkyl; and Z is a bond, a monosaccharide, disaccharide, oligosaccharide, glycoprotein or glycolipid, preferably a sugar group, more preferably a sugar group selected from the monosaccharides, including aldoses and ketoses, and disaccharides, including those disaccharides described herein. Monosaccharide aldoses include monosaccharides such as aldotriose (D-glyceraldehyde, among others), aldotetroses (D-erythrose and D-Threose, among others), aldopentoses, (D-ribose, D-arabinose, D-xylose, D-lyxose, among others), aldohexoses (D-allose, D-altrose, D-Glucose, D-Mannose, D-gulose, D-idose, D-galactose and D-Talose, among others), and the monosaccharide ketoses include monosaccharides such as ketotriose (dihydroxyacetone, among others), ketotetrose (D-erythrulose, among others), ketopentose (D-ribulose and D-xylulose, among others), ketohexoses (D-Psicone, D-Fructose, D-Sorbose, D-Tagatose, among others), aminosugars, including ...
In order for an accidentally generated string of letters to convey a meaningful message, it needs to satisfy three very stringent conditions, each more difficult than the last: first, the letters need to be arranged into meaningful words; second, the sequence of words has to conform to the rules of syntax; and finally, the sequence of words has to make sense at the semantic level: in other words, it needs to express a meaningful proposition. For a string of letters generated at random to meet all of these conditions would indeed be fantastically improbable. But heres the thing: living things dont need to satisfy any of these conditions. Yes, it is true that all living things possess a genetic code. But it is quite impossible for this code to generate anything like nonsense words like "sdfuiop", and additionally, there is nothing in the genome which is remotely comparable to the rules of syntax, let alone the semantics of a meaningful proposition. The sequence of amino acids in a protein needs ...
Read "Linkage of Genes Responsible for Sex Determination and Expression of a Sperm-Specific Isozyme of Glucose-6-Phosphate Isomerase in the Polychaete Polydora breviapalpa, Russian Journal of Genetics" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
Background Many Firmicutes bacteria, including solvent-producing clostridia such as Clostridium acetobutylicum, are able to utilize xylose, an abundant carbon source in nature. Nevertheless, homology...
Trost,E., Blom,J., de Castro Soares,S., Huang,I.H., Al-Dilaimi,A., Schroder,J., Jaenicke,S., Dorella,F.A., Rocha,F.S., Miyoshi,A., Azevedo,V., Schneider,M.P., Silva,A., Camello,T.C., Sabbadini,P.S., Santos,C.S., Santos,L.S., Hirata,R. Jr., Mattos-Guaraldi, "Pangenomic Study of Corynebacterium diphtheriae That Provides Insights into the Genomic Diversity of Pathogenic Isolates from Cases of Classical Diphtheria, Endocarditis, and Pneumonia", J. Bacteriol. 194 (12), 3199-3215 (2012) PUBMED 22505676 ...
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Exogenous anthrahydroquinone-2,6-disulfonate specifically increases xylose utilization during mixed sugar fermentation by Clostridium beijerinckii NCIMB ...
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PubMed Central Canada (PMC Canada) provides free access to a stable and permanent online digital archive of full-text, peer-reviewed health and life sciences research publications. It builds on PubMed Central (PMC), the U.S. National Institutes of Health (NIH) free digital archive of biomedical and life sciences journal literature and is a member of the broader PMC International (PMCI) network of e-repositories.

Xylose isomerase - WikipediaXylose isomerase - Wikipedia

The systematic name of this enzyme class is D-xylose aldose-ketose-isomerase. Other names in common use include D-xylose ... specifically those intramolecular oxidoreductases interconverting aldoses and ketoses. The isomerase has now been observed in ... Xylose-isomerases are also commonly called fructose-isomerases due to their ability to interconvert glucose and fructose. ... isomerase, D-xylose ketoisomerase, and D-xylose ketol-isomerase. The activity of D-xylose isomerase was first observed by ...
more infohttps://en.wikipedia.org/wiki/Xylose_isomerase

KEGG T01040: CNBH0530KEGG T01040: CNBH0530

5. Isomerases. 5.3 Intramolecular oxidoreductases. 5.3.1 Interconverting aldoses and ketoses, and related compounds. 5.3.1.24 ... anthranilate synthase / indole-3-glycerol phosphate synthase / phosphoribosylanthranilate isomerase [EC:4.1.3.27 4.1.1.48 5.3. ...
more infohttp://www.genome.jp/dbget-bin/www_bget?cnb:CNBH0530

Beta alpha)8-barrel proteins of tryptophan biosynthesis in the hyperthermophile Thermotoga maritima.  - University of...Beta alpha)8-barrel proteins of tryptophan biosynthesis in the hyperthermophile Thermotoga maritima. - University of...

Aldose-Ketose Isomerases. MESH. Amino Acid Sequence. MESH. Bacterial Proteins/genetics. MESH. ... phosphoribosyl anthranilate isomerase) and trpA (alpha-subunit of tryptophan synthase) suggest that these thermostable (beta ...
more infohttps://epub.uni-regensburg.de/13715/

Directed evolution of a (beta alpha)8-barrel enzyme to catalyze related reactions in two different metabolic pathways.  -...Directed evolution of a (beta alpha)8-barrel enzyme to catalyze related reactions in two different metabolic pathways. -...

Aldose-Ketose Isomerases/metabolism. MESH. Amino Acid Sequence. MESH. Amino Acid Substitution. MESH. ... isomerase (HisA; EC ) and phosphoribosylanthranilate (PRA) isomerase (TrpF; EC ), which catalyze similar reactions in the ... isomerase (HisA; EC ) and phosphoribosylanthranilate (PRA) isomerase (TrpF; EC ), .... ...
more infohttps://epub.uni-regensburg.de/13703/

Hydroxypyruvate isomerase - WikipediaHydroxypyruvate isomerase - Wikipedia

The systematic name of this enzyme class is hydroxypyruvate aldose-ketose-isomerase. This enzyme participates in glyoxylate and ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... de Windt FE, van der Drift C (1980). "Purification and some properties of hydroxypyruvate isomerase of Bacillus fastidiosus". ... In enzymology, a hydroxypyruvate isomerase (EC 5.3.1.22) is an enzyme that catalyzes the chemical reaction hydroxypyruvate ⇌ {\ ...
more infohttps://en.wikipedia.org/wiki/Hydroxypyruvate_isomerase

Phosphoglucose isomerase Saccharomyces cerevisiae Enzyme - MegazymePhosphoglucose isomerase Saccharomyces cerevisiae Enzyme - Megazyme

Purchase high purity enzyme Phosphoglucose isomerase (S. cerevisiae) for use in research, biochemical enzyme assays and in ... glucose-6-phosphate isomerise; D-glucose-6-phosphate aldose-ketose-isomerase. Recombinant. From Saccharomyces cerevisiae.. In ... High purity Phosphoglucose isomerase (Saccharomyces cerevisiae) for use in research, biochemical enzyme assays and in vitro ... One unit of phosphoglucose isomerase activity is the amount of enzyme required to convert one µmole of D-fructose 6-phosphate ...
more infohttps://secure.megazyme.com/Phosphoglucose-isomerase-Saccharomyces-cerevisiae

Corticosteroid side-chain-isomerase - WikipediaCorticosteroid side-chain-isomerase - Wikipedia

The systematic name of this enzyme class is 11-deoxycorticosterone aldose-ketose-isomerase. Martin KO, Oh SW, Lee HJ, Monder C ... This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ... In enzymology, a corticosteroid side-chain-isomerase (EC 5.3.1.21) is an enzyme that catalyzes the chemical reaction 11- ... Monder C, Martin KO, Bogumil J (1980). "Presence of epimerase activity in hamster liver corticosteroid side chain isomerase". J ...
more infohttps://en.wikipedia.org/wiki/Corticosteroid_side-chain-isomerase

EC 5.3.1.14EC 5.3.1.14

Other name(s): rhamnose isomerase; L-rhamnose ketol-isomerase. Systematic name: L-rhamnose aldose-ketose-isomerase. Comments: ... The structure of rhamnose isomerase from Escherichia coli and its relation with xylose isomerase illustrates a change between ... Accepted name: L-rhamnose isomerase. Reaction: L-rhamnose = L-rhamnulose. For diagram of reaction click here.. ... I. L-Rhamnose-Isomerase aus Lactobacillus plantarum. Biochem. Z. 339 (1963) 145-153.. 2. Leang, K., Takada, G., Ishimura, A., ...
more infohttp://www.sbcs.qmul.ac.uk/iubmb/enzyme/EC5/3/1/14.html

Photorhabdus luminescens genes induced upon insect infection | BMC Genomics | Full TextPhotorhabdus luminescens genes induced upon insect infection | BMC Genomics | Full Text

tagatose-6-phosphate ketose/aldose isomerase. agaV (plu0835). PTS-system, N-acetylgalactosamine-specific IIB component 2 (EIIB- ...
more infohttps://bmcgenomics.biomedcentral.com/articles/10.1186/1471-2164-9-229

NAVER Academic > Search...NAVER Academic > Search...

Aldehyde-Lyases, metabolism, Aldose-Ketose Isomerases, Archaeal Proteins, Formaldehyde, Open Reading Frames, Pentose Phosphate ...
more infohttp://academic.naver.com/search.naver?field=3&query=Journal+of+Bacteriology+188%EA%B6%8C+13%ED%98%B8

NAVER Academic > Search...NAVER Academic > Search...

Aldose-Ketose Isomerases, Amino Acid Sequence, Bacillus subtilis, genetics, Bacterial Proteins, Base Sequence, Biodegradation, ...
more infohttps://academic.naver.com/search.naver?field=3&query=Journal+of+Bacteriology+176%EA%B6%8C+7%ED%98%B8

Ethanolic fermentation of xylose with Saccharomyces cerevisiae harboring the Thermus thermophilus xylA gene, which expresses an...Ethanolic fermentation of xylose with Saccharomyces cerevisiae harboring the Thermus thermophilus xylA gene, which expresses an...

Aldose-Ketose Isomerases, Base Sequence, Carbohydrate Epimerases, Ethanol, Fermentation, Genes, Bacterial, Molecular Sequence ... The recombinant xylose isomerase showed the highest activity at 85 degrees C with a specific activity of 1.0 U mg-1. A new ... The Thermus thermophilus xylA gene encoding xylose (glucose) isomerase was cloned and expressed in Saccharomyces cerevisiae ... isomerase. Research output: Contribution to journal › Article ...
more infohttps://portal.research.lu.se/portal/en/publications/ethanolic-fermentation-of-xylose-with-saccharomyces-cerevisiae-harboring-the-thermus-thermophilus-xyla-gene-which-expresses-an-active-xylose-glucose-isomerase

Journal: Journal of the science of food and agriculture / Publication Year: 2018 / Source: 2018 v.98 no.6 - PubAg Search ResultsJournal: Journal of the science of food and agriculture / Publication Year: 2018 / Source: 2018 v.98 no.6 - PubAg Search Results

l‐Rhamnose isomerase (L‐RI, EC 5.3.1.14) is an aldose-ketose isomerase that plays a significant role in the production of l‐ ... 6. Characterization of a thermostable recombinant l‐rhamnose isomerase from Caldicellulosiruptor obsidiansis OB47 and its ...
more infohttps://pubag.nal.usda.gov/?f%5Bjournal_name%5D%5B%5D=Journal+of+the+science+of+food+and+agriculture&f%5Bpublication_year_rev%5D%5B%5D=7982-2018&f%5Bsource%5D%5B%5D=2018+v.98+no.6

ALBI grade serves as a simple and - tapedawn topALBI grade serves as a simple and - tapedawn top

... structural annotation of Escherichia coli and Salmonella enterica yihS-encoded proteins to an aldose-ketose isomerase. Effects ...
more infohttp://tapedawn.top/albi-grade-serves-as-a-simple-and/

Engineering Pseudomonas putida S12 for efficient utilization of D-xylose and L-arabinose.  - PubMed - NCBIEngineering Pseudomonas putida S12 for efficient utilization of D-xylose and L-arabinose. - PubMed - NCBI

Aldose-Ketose Isomerases/genetics. *Aldose-Ketose Isomerases/metabolism*. *Arabinose/metabolism*. *Escherichia coli/enzymology ... bacterium Pseudomonas putida S12 was engineered to utilize xylose as a substrate by expressing xylose isomerase (XylA) and ...
more infohttps://www.ncbi.nlm.nih.gov/pubmed?Db=pubmed&Cmd=ShowDetailView&TermToSearch=18586973

NUFARM ENDOSULFAN 350 EC INSECTICIDE | myHealthboxNUFARM ENDOSULFAN 350 EC INSECTICIDE | myHealthbox

Published on: Fri, 11 Jan 2019 The food enzyme is a glucose isomerase (d‐xylose aldoseketoseisomerase; EC 5.3.1.5) produced ... Safety evaluation of the food enzyme glucose isomerase from Streptomyces murinus (strain NZYM‐GA). ... with a non‐genetically modified Streptomyces murinus strain NZYM‐GA by Novozymes A/S. The glucose isomerase is intended only to ...
more infohttps://myhealthbox.eu/en/medicine/nufarm-endosulfan-350-ec-insecticide/2214551

HELOTHION EC INSECTICIDE SPRAY | myHealthboxHELOTHION EC INSECTICIDE SPRAY | myHealthbox

Published on: Fri, 11 Jan 2019 The food enzyme is a glucose isomerase (d‐xylose aldoseketoseisomerase; EC 5.3.1.5) produced ... Safety evaluation of the food enzyme glucose isomerase from Streptomyces murinus (strain NZYM‐GA). ... with a non‐genetically modified Streptomyces murinus strain NZYM‐GA by Novozymes A/S. The glucose isomerase is intended only to ...
more infohttps://myhealthbox.eu/en/medicine/helothion-ec-insecticide-spray/2214263

Polyol metabolism in homopterans at high temperatures : accumulation of mannitol in aphids ( Aphididae : Homoptera ) and...Polyol metabolism in homopterans at high temperatures : accumulation of mannitol in aphids ( Aphididae : Homoptera ) and...

... dependent ketose reductase/sorbitol dehydrogenase that produces sorbitol in whiteflies. Western blot analysis verified that A. ... gossypii does not contain a protein that cross-reacts with antibodies against B. argentifolli NADP(H)-dependent ketose ... The enzyme catalyzing this reaction, an NADP(H)-dependent ketose reductase/mannitol dehydrogenase, is analogous to the NADP(H)- ... Aldose-Ketose Isomerases. *Mannitol Dehydrogenase. *mannitol biosynthetic process. *Aphis glycines. *Hole accumulation diode ...
more infohttps://www.semanticscholar.org/paper/Polyol-metabolism-in-homopterans-at-high-%3A-of-in-%28-Sal/efce7ef255b2e3335a4bee694d9e08912f9ff09a
  • The tertiary structure was determined for several xylose isomerases from microbes starting in the mid 1980s (Streptomyces olivochromogenes in 1988, Streptomyces violaceoniger in 1988, Streptomyces rubiginosus in 1984, Arthrobacter B3728 in 1986, Actinoplanes missouriensis in 1992, and Clostridium thermosulfurogenes in 1990). (wikipedia.org)
  • Here we reported that a Drosophila strain with reduced expression of ribose-5-phosphate isomerase (rpi), EP2456, exhibits increased resistance to oxidative stress and enhanced lifespan. (isharonline.org)