ライフサイエンスコーパス: allantoin

1 rate and 5-hydroxyisourate, which decayed to allantoin.

2 functional UOx catalyzes urate oxidation to allantoin.

3 solution and decay nonstereospecifically to allantoin.

4 arboxylase in unliganded form and with bound allantoin.

5 ated roots supplied with ammonium nitrate or allantoin.

6 esponsible for the anaerobic assimilation of allantoin.

7 o a 5 times increased urine soluble product, allantoin.

8 nized enzymatic pathway for the formation of allantoin.

9 mans, metabolize uric acid a step further to allantoin.

10 a mechanism similar to the isomerization of allantoin.

11 creatinine, ascorbate, 2-hydroxyisobutyrate, allantoin, 4-DEA, 4-hydroxyphenylacetate).

12 drolytic cleavage of the five-member ring of allantoin (5-ureidohydantoin) to form allantoic acid.

13 Allantoin, a marker of oxygen free radical generation, d

14 Allantoin, a metabolite generated in the purine degradat

15 Allantoinase hydrolyzes allantoin, a purine metabolite and a nitrogen transport

16 ss-inducible mutants for AtALN revealed that allantoin accumulation is essential for salt stress tole

17 e potential regulatory role of this gene for allantoin accumulation, AtALN promoter activity was stud

18 ntoinase, an enzyme that is specific for (S)-allantoin, an allantoin racemase is necessary for comple

19 ia is finally reduced in uninfected cells to allantoin and allantoic acid [1].

20 More specifically, tropical legumes utilize allantoin and allantoic acid as major nodule-to-shoot ni

21 Transport of allantoin and allantoic acid out of nodules requires the

22 _003516366) and GmUPS1-2 (XP_003518768) - in allantoin and allantoic acid transport out of the nodule

23 itrogen is used for synthesis of the ureides allantoin and allantoic acid, the major long-distance tr

24 an, the products of fixation are the ureides allantoin and allantoic acid, which are also the dominan

25 e oxidase (UOX), which oxidizes uric acid to allantoin and in the process generates H2O2, was introdu

26 Allantoin and its degradation derivatives are a group of

27 Cl at different concentrations showed higher allantoin and lower allantoic acid contents.

28 ocket that interacts with the ureido tail of allantoin and serves to control the orientation of the h

29 uctures of C79S/C184S KpHpxA in complex with allantoin and with 5-acetylhydantoin are presented.

30 f Rasburicase, the urinary excretion rate of allantoin, and antibodies to Rasburicase were also studi

31 Many plants, fungi, and bacteria catabolize allantoin as a mechanism for nitrogen assimilation.

32 Possible roles of allantoin as a protectant compound in oxidative events o

33 yeast mutant showing that PvUPS1 transports allantoin but also binds its precursors xanthine and uri

34 d some bacteria the product of hydrolysis of allantoin by allantoinase is the unstable intermediate u

35 rate (HIU), which is further degraded to (S)-allantoin by two enzymes, HIU hydrolase and 2-oxo-4-hydr

36 ribed enzymes involved in urate oxidation to allantoin, catalyzed by a flavoprotein monooxygenase (Hp

37 In other species, an increase in allantoin content was observed under different stress co

38 oprotein monooxygenase (HpxO enzyme), and in allantoin conversion to allantoate, which involves allan

39 onstrate that these enzymes are required for allantoin degradation in vivo.

40 mutant is impaired in its ability to utilize allantoin, gamma-aminobutyrate, isoleucine, nitrate, ure

41 In addition, nonenzymatic racemization of allantoin has been shown to occur at physiological pH.

42 tation of a yeast mutant (dal1) deficient in allantoin hydrolysis.

43 talyze the complete hydrolysis of the ureide allantoin in vitro.

44 The urinary excretion rate of allantoin increased during Rasburicase treatment, peakin

45 Since the further breakdown of allantoin is catalyzed by allantoinase, an enzyme that i

46 interconvert the (R)- and (S)-enantiomers of allantoin is demonstrated, and analysis of the steady-st

47 that catalyzes conversion of uric acid into allantoin, is showing promise with its ability to rapidl

48 Allantoin levels measured in control samples were compar

49 en limitations including ammonium, urea, and allantoin limitation.

50 to investigate the effects of salt stress on allantoin metabolism and to know whether its accumulatio

51 regions spanning the deletions involving the allantoin operon and the fljAB operon were PCR amplified

52 ese genes in mosquitoes was shown by feeding allantoin or allantoic acid, which significantly increas

53 of these genes is induced in the presence of allantoin or its degradative metabolites and repressed w

54 NH4Cl, [5-(15)N]-glutamine, [(15)N]-proline, allantoin, or allantoic acid.

55 olism of small molecules, e.g., amino acids, allantoin, or ammonia.

56 Allantoin pathway gene expression in Saccharomyces cerev

57 es and trans-acting factors are required for allantoin pathway gene transcription as follows: (i) UAS

58 conclusions has employed inducer-independent allantoin pathway genes (e.g. DAL5 and DAL3).

59 these elements and their roles to inducible allantoin pathway genes using the DAL7 (encoding malate

60 ium containing [(14)C]adenine, which implies allantoin production.

61 oin conversion to allantoate, which involves allantoin racemase (HpxA enzyme).

62 e characterize the structure and activity of allantoin racemase from Klebsiella pneumoniae (KpHpxA).

63 nzyme that is specific for (S)-allantoin, an allantoin racemase is necessary for complete and efficie

64 resented a susceptible phenotype and altered allantoin root-to-shoot content ratios.

65 favored the expression of genes involved in allantoin synthesis, but strongly repressed the unique g

66 Allantoin, the predominant product of free radical-induc

67 In Arabidopsis, the addition of allantoin to the medium as a sole source of nitrogen res

68 n nodules, PvUPS1 is involved in delivery of allantoin to the vascular bundle and loading into the no

69 In addition, the possible role of allantoin transport was investigated.

70 ean and was functionally characterized in an allantoin transport-deficient yeast mutant showing that

71 A putative allantoin transporter (PvUPS1) was isolated from nodulat

72 loped a rapid and specific assay for urinary allantoin using ultra-performance liquid chromatography-

73 Allantoin was present in human saliva and associated wit

74 ic oxidative degradation of uric acid to (S)-allantoin was recently shown to proceed via three enzyma

75 ne, and nucleotide catabolism products (e.g. allantoin) were more abundant in the dry states, suggest

76 he zinc enzyme utilizes only the S isomer of allantoin, whereas the cobalt allantoinase prefers the S