ライフサイエンスコーパス: D-xylose

1 erodimers has been achieved from inexpensive d-xylose.

2 as abnormal in 1 of the 2 patients tested by D-xylose.

3 ne lengths (d18:1 or d20:1) from inexpensive d-xylose.

4 ctions of truncated substrates d-xylonate or d-xylose.

5 xylose and the second product is the reduced D-xylose.

6 istics in the following order: L-Arabinose > D-xylose.

7 ely affected transport of both D-glucose and D-xylose.

8 DP-D-glucuronic acid to UDP-D-apiose and UDP-D-xylose.

9 by the most stable chair conformation of UDP-D-xylose.

10 thesized in 7-8 steps from easily accessible D-xylose.

11 inose, D-fucose, D-galactose, D-glucose, and D-xylose.

12 y XylR is greatly reduced in the presence of D-xylose.

13 d catabolism of the released l-arabinose and d-xylose.

14 ive species that ferments D-mannitol but not D-xylose.

15 cose, D-fucose, D-quinovose, L-arabinose, or D-xylose.

16 All pigs were orally infused D-xylose (0.1 g/kg BW) on day 5 post PEDV or saline admi

17 Following CBI, activation of a UDP-D-xylose 4-epimerase gene correlated with increases in a

18 plants are defective in a membrane-bound UDP-D-xylose 4-epimerase.

19 of the terminal ethylene glycol fragment of D-xylose (9.3 kcal/mol) being smaller than that of the p

20 inal carbohydrate absorption, as measured by d-Xylose absorption and fat absorptive capacity as measu

21 Water and D-xylose absorption as well as fecal fat studies were ma

22 ood counts, multiphasic biochemical testing, D-xylose absorption testing, and bone mineral density es

23 Based on rates of D-xylose absorption, GLP-1 receptor blockade did not aff

24 , serum insulin-like growth factor I levels, D-xylose absorption, morphology and DNA proliferation of

25 ration of disease and lower body mass index, D-xylose absorption, serum albumin, CD4/CD45RA cells, CD

26 er plasma glycemia, as was the appearance of d-xylose after the meal.

27 that Gal2-N376F had the highest affinity for D-xylose, along with a moderate transport velocity, and

28 hydroxyecdysone, 20-hydroxyecdysone-3-O-beta-D-xylose and a hydroxyecdysterone derivative.

29 ilabilities of 2% and 6% respectively, while D-xylose and B12 absorption were found to be within norm

30 ss-derived carbohydrates (such as D-glucose, D-xylose and D-galactose) are extracted on commercial sc

31 ear alpha-1,3-linked mannan substituted with D-xylose and D-glucuronic acid.

32 the aldose-ketose isomerization reactions of D-xylose and d-glyceraldehyde 3-phosphate (DGAP), respec

33 new method are demonstrated in a mixture of d-xylose and l-arabinose, distinguishing unambiguously b

34 olism of hemicellulose, which is composed of d-xylose and l-arabinose.

35 uated by measurement of lactulose, mannitol, D-xylose and sucrose respectively in urine, with high pe

36 released is the oxidatively produced 4-keto-D-xylose and the second product is the reduced D-xylose.

37 N-oxide), substrates (DL-glyceraldehyde and D-xylose), and a mutation in recombinant aldose reductas

38 g of lactulose, 1 g of L-rhamnose, 0.5 g of D-xylose, and 0.2 g of 3-O-methyl-D-glucose dissolved in

39 higher specific activity, 37% lower K(M) for D-xylose, and exhibited higher activity over a broader t

40 motility, raffinose fermentation, glycogen, D-xylose, and methyl-alpha-D-glucopyranoside assimilatio

41 hydrates, such as d-glucose, d-fructose, and d-xylose, and their typical degradation products, such a

42 Complexes of the enzyme with D-glucose and D-xylose are presented to resolutions of 1.6 and 1.5 A,

43 tivities in the DMDO-mediated epoxidation of d-xylose-based oxepine 1 and d-glucose-based oxepines 2

44 Furthermore, the regiochemistries of these d-xylose-based sulfur-containing polymers revealed that

45 id sequence identity to the Escherichia coli D-xylose binding periplasmic receptor, XylF, a component

46 Strikingly, d-xylose binding to this domain results in a helix to st

47 However, its N-terminal d-xylose-binding domain contains a periplasmic-binding p

48 nal evidence that T. ethanolicus XylF is the D-xylose-binding protein.

49 zyme catalyzing this reaction also forms UDP-d-xylose by decarboxylation of UDP-d-glucuronate, and ha

50 Moreover, puerarin increased D-xylose concentration but decreased intestinal fatty ac

51 FABP level, while reducing growth and plasma D-xylose concentration in piglets.

52 on of the genes required for l-arabinose and d-xylose consumption is regulated by the sugar-responsiv

53 ol (up to 8 g L(-1)) appeared not to inhibit D-xylose consumption.

54 d from d-glucose (d-Glc), d-mannose (d-Man), d-xylose (d-Xyl), and d-lyxose (d-Lyx).

55 uding d-(+)-raffinose, sucrose, d-trehalose, d-(+)-xylose, d-fructose, 1-thio-beta-d-glucose sodium s

56 Experiments involved reactions of d-xylose, d-arabinose and d-ribose with glycine, alpha-l

57 ants are not induced by other sugars tested (D-xylose, D-fucose, D-lyxose).

58 Other minor monosaccharides found were d-xylose, d-galactose, d-mannose, d-glucose, d-arabinose

59 All were negative for oxidation of D-xylose, D-mannitol, lactose, sucrose, maltose, and 20

60 tion-fermentation base containing d-glucose, d-xylose, d-mannitol, sucrose, lactose, or maltose.

61 es, such as neutral (d-mannose, d-galactose, d-xylose, d-mannoheptaose) and charged (N-acetyl d-gluco

62 been applied to d-glucose, d-galactose, and d-xylose donors with a nondirecting group incorporated a

63 ubjects consumed a breakfast meal containing D-xylose during fixed hyperglycemia at 5 mmol/l above fa

64 nsumed 50 g oral glucose solution mixed with d-xylose during fixed hyperglycemia at 8 and 10.5 mmol/L

65 binding of the feedback inhibitor, UDP-alpha-d-xylose, elicits a distinct induced-fit response; a bur

66 rations sterically prevent D-glucose but not D-xylose from entering the pocket.

67 The enzyme that transfers D-xylose from UDP-xylose to the beta-linked mannose of p

68 Thus, the (S)-enone, derived from D-xylose, gave tetrasubstituted pyrrolidines having a de

69 monstrate that mutations in the heterologous D-xylose:H(+) symporter (XylE), increased expression of

70 ynthesis of (+)- and (-)-cyclophellitol from d-xylose has been accomplished through utilization of th

71 static agent, fermentation of m-inositol and D-xylose, hydrolysis of urea, and the lack of cytochrome

72 ations have been used to examine the pentose D-xylose in aqueous solution.

73 switch to the metabolism of l-arabinose and d-xylose in the absence of its preferred carbon source,

74 The appearance of postprandial ingested d-xylose in the blood was not affected by Ex-9.

75 creased the concentrations of citrulline and D-xylose in the plasma, as well as the expression of gen

76 freshwater bacterium Caulobacter crescentus, D-xylose induces expression of over 50 genes, including

77 Therefore, we developed the use of a D-xylose-inducible promoter for verification of an essen

78 involved in the isomerization step in which D-xylose is converted to D-xylulose or D-glucose to D-fr

79 The pentose sugar D-xylose is often present in significant amounts along w

80 ve different sugars, including L-glucose and D-xylose, is described in this issue (Meinert et al., ),

81 D-Xylose isomerase (XI) and triosephosphate isomerase (T

82 D-xylose through expression of heterologous D-xylose isomerase (XI).

83 the location of hydrogen atoms in the enzyme d-xylose isomerase (XI).

84 s xylAB operon, comprising genes that encode D-xylose isomerase and D-xylulose kinase, lies a 1,101-b

85 We cloned a new D-xylose isomerase derived from microorganisms in the gu

86 a S12 strain was obtained by introducing the D-xylose isomerase pathway from Escherichia coli, follow

87 eering in a strain engineered to express the D-xylose isomerase pathway, we demonstrate that mutation

88 xperimental SAXS profile of the homotetramer D-xylose isomerase.

89 ization states of amino acids in crystals of D-xylose isomerase.

90 The D-xylose isomerization rate conferred by the new XI was

91 on barrier for XI-catalyzed isomerization of D-xylose (k(cat)/K(m) = 490 M(-1) s(-1)) versus that for

92 ylneuraminic acid), 'all-or-none' responses (d-xylose, l-rhamnose) and complex combinations thereof (

93 consisted of four monosaccharides: maltose, D-xylose, mannose, and D-fructose.

94 aerobic growth than the XI from Piromyces on D-xylose media.

95 By specifically labeling D-xylose molecules with a deuterium atom at the nonexcha

96 ther extreme we find that urea raises Km for D-xylose of the C298A mutant, betaine lowers the Km, and

97 (+)-dehydroisoandrosterone, l-arabinose, and D-xylose on gram scale.

98 cently solved crystallographic models of the D-xylose permease XylE from Escherichia coli and GlcP fr

99 Understanding the l-arabinose/d-xylose regulatory network is key for such biocatalyst

100 s (where Man and Xyl represent d-mannose and d-xylose, respectively), underlying the molecular basis

101 at the 2,6-diamino-2,6-dideoxy-D-glucose and D-xylose rings have restricted motions and are in a stac

102 of the 2,6-diamino-2,6-dideoxy-D-glucose and D-xylose rings, as opposed to the parallel arrangement w

103 UDP-D-apiose/UDP-D-xylose synthase (AXS) catalyzes the conversion of UDP-

104 nd has therefore been named UDP-d-apiose/UDP-d-xylose synthase.

105 The d-xylose test and lactulose-to-rhamnose ratio were used

106 ential for achieving a high biomass yield on D-xylose, the aberrant HexR control appeared to underlie

107 The primary metabolic route for D-xylose, the second most abundant sugar in nature, is v

108 essor is induced to release DNA upon binding D-xylose, thereby freeing the promoter for productive in

109 bacterium Caulobacter crescentus metabolizes D-xylose through a pathway yielding alpha-ketoglutarate,

110 visiae can acquire the ability to metabolize D-xylose through expression of heterologous D-xylose iso

111 of the terminal ethylene glycol fragment of d-xylose to give DGA results in a large decrease in the

112 e to (i) the barrier to conversion of cyclic d-xylose to the reactive linear sugar (5.4 kcal/mol) bei

113 ity of AXS to catalyze the conversion of UDP-D-xylose to UDP-D-apiose.

114 e defect was traced to the conversion of UDP-D-xylose to UDP-L-arabinose in the microsome fraction of

115 the high-affinity binding-protein-dependent D-xylose transport.

116 on KEGGs related to ectoine biosynthesis and D-xylose transport.

117 l2 deduced from the crystal structure of the D-xylose transporter XylE from Escherichia coli, both re

118 All known D-xylose transporters are competitively inhibited by D-g

119 ast growth-based screening system for mutant D-xylose transporters that are insensitive to the presen

120 g simultaneous fermentation of D-glucose and D-xylose, two primary sugars present in lignocellulosic

121 polysaccharides composed of beta-1,4-linked D-xylose units.

122 g protein and permease) of the high-affinity D-xylose uptake system are not located in the vicinity o

123 ing of five genes) and a functional combined D-xylose utilization and zeaxanthin biosynthesis pathway

124 assembler can rapidly assemble a functional D-xylose utilization pathway (approximately 9 kb DNA con

125 key element in improving the initially poor D-xylose utilization was the redistribution of 6-phospho

126 growth rate and biomass yield of the evolved D-xylose utilizing P. putida strain.

127 Previously, an efficient D-xylose utilizing Pseudomonas putida S12 strain was obt

128 e, which is essential for the utilization of D-xylose via the nonoxidative PP pathway.

129 he Maillard conjugation of hemp protein with d-xylose was studied, focusing on the influence of ultra

130 xcellent overall yield of more than 10% from d-xylose, while the heterodimer route led to UT-39 in 19

131 nt-3-enopyranosid-2-ulose) was prepared from D-xylose, while the R analogue was obtained from L-arabi

132 uronate to a mixture of UDP-d-apiose and UDP-d-xylose with a turnover number of 0.3 min-1.

133 he copolymerization of oxetanes derived from d-xylose with CO(2) and incorporate sulfur atoms through

134 ha-D-glucoside (MDG), D-trehalose (TRE), and D-xylose (XYL) by the same isolates was investigated by

135 -xylosyltransferase that attaches the distal d-xylose (Xyl) unit to the l-fucose (Fuc) that is part o

136 ic acid (GlcUA), l-iduronic acid (IdoUA), or d-xylose (Xyl).