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Showing 1 to 12 of 26 entries
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Uricase and allantoinase in glyoxysomes.

Plant physiology

Theimer RR, Beevers H.
PMID: 16657604
Plant Physiol. 1971 Feb;47(2):246-51. doi: 10.1104/pp.47.2.246.

In fat-degrading tissues of seedlings of seven different plant species examined, uricase activity (urate:O(2) oxidoreductase, EC 1.7.33) was associated with particulate fractions. After equilibrium density centrifugation on sucrose density gradients the enzyme activity was recovered in the glyoxysomal band...

[Studies on microbodies in spadix appendices of Arum maculatum L. and Sauromatum guttatum schott].

Planta

Berger C, Gerhardt B.
PMID: 24493139
Planta. 1971 Dec;96(4):326-38. doi: 10.1007/BF00386947.

When the sections of the spadix appendix of Arum are incubated in a medium containing diaminobenzidine and H2O2, only the membrane of microbodies is stained. On the other hand, microbodies of Sauromatum show a stained matrix as usual. Catalase-containing...

High-resolution association mapping with libraries of immortalized lines from ancestral landraces.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

Würschum T, Weiß TM, Renner J, Friedrich Utz H, Gierl A, Jonczyk R, Römisch-Margl L, Schipprack W, Schön CC, Schrag TA, Leiser WL, Melchinger AE.
PMID: 34668978
Theor Appl Genet. 2022 Jan;135(1):243-256. doi: 10.1007/s00122-021-03963-3. Epub 2021 Oct 20.

KEY MESSAGE: Association mapping with immortalized lines of landraces offers several advantages including a high mapping resolution, as demonstrated here in maize by identifying the causal variants underlying QTL for oil content and the metabolite allantoin. Landraces are traditional...

Effect of oxygen pressure on synthesis and export of nitrogenous solutes by nodules of cowpea.

Planta

Atkins CA, Dakora FD, Storer PJ.
PMID: 24197378
Planta. 1990 Nov;182(4):565-71. doi: 10.1007/BF02341033.

Nodules of cowpea plants (Vigna unguiculata (L.) Walp. cv. Vita 3 :Bradyrhizobium CB756) cultured for periods of 23 d with their root systems maintained in atmospheres containing a range of partial pressures of O2 (pO2; 1-80%, v/v, in N2)...

Purine synthesis and catabolism in soybean seedlings : the biogenesis of ureides.

Plant physiology

Polayes DA, Schubert KR.
PMID: 16663743
Plant Physiol. 1984 Aug;75(4):1104-10. doi: 10.1104/pp.75.4.1104.

The ureides, allantoin and allantoic acid, are the major nitrogenous substances transported within the xylem of N(2)-fixing soybeans (Glycine max L. Merr. cv Amsoy 71). The ureides accumulated in the cotyledons, roots and shoots of soybean seedlings inoculated with...

Control by phytochrome of urate oxidase and allantoinase activities during peroxisome development in the cotyledons of mustard (Sinapis alba L.) seedlings.

Planta

Hong YN, Schopfer P.
PMID: 24301027
Planta. 1981 Jul;152(4):325-35. doi: 10.1007/BF00388257.

The peroxisomal enzyme, urate oxidase (EC 1.7.3.3), and the next enzyme of the urate pathway, allantoinase (EC 3.5.2.5), demonstrate a lightmediated rise of activity in the cotyledons of mustard (Sinapis alba L.). The capacity of the peroxisomes for urate...

Genetic studies of purine breakdown in the fission yeast Schizosaccharomyces pombe.

Current genetics

Kinghorn JR, Fluri R.
PMID: 24177583
Curr Genet. 1984 Feb;8(2):99-105. doi: 10.1007/BF00420225.

Purines such as hypoxanthine, xanthine, uric acid, allantoin and allantoic acid serve as sole nitrogen sources for the yeast Schizosaccharomyces pombe. A number of classes of mutants unable to use purines have been isolated and genetically analysed. Mutants in...

Structural Analysis of .

Molecules (Basel, Switzerland)

Guan HH, Huang YH, Lin ES, Chen CJ, Huang CY.
PMID: 34885830
Molecules. 2021 Nov 29;26(23). doi: 10.3390/molecules26237249.

Dihydroorotase (DHOase), a dimetalloenzyme containing a carbamylated lysine within the active site, is a member of the cyclic amidohydrolase family, which also includes allantoinase (ALLase), dihydropyrimidinase (DHPase), hydantoinase, and imidase. Unlike most known cyclic amidohydrolases, which are tetrameric, DHOase...

Structural Analysis of .

Molecules (Basel, Switzerland)

Guan HH, Huang YH, Lin ES, Chen CJ, Huang CY.
PMID: 34885830
Molecules. 2021 Nov 29;26(23). doi: 10.3390/molecules26237249.

Dihydroorotase (DHOase), a dimetalloenzyme containing a carbamylated lysine within the active site, is a member of the cyclic amidohydrolase family, which also includes allantoinase (ALLase), dihydropyrimidinase (DHPase), hydantoinase, and imidase. Unlike most known cyclic amidohydrolases, which are tetrameric, DHOase...

Enzymes of ammonia assimilation and ureide biosynthesis in soybean nodules: effect of nitrate.

Plant physiology

Schuller KA, Day DA, Gibson AH, Gresshoff PM.
PMID: 16664678
Plant Physiol. 1986 Mar;80(3):646-50. doi: 10.1104/pp.80.3.646.

The effect of nitrate on N(2) fixation and the assimilation of fixed N(2) in legume nodules was investigated by supplying nitrate to well established soybean (Glycine max L. Merr. cv Bragg)-Rhizobium japonicum (strain 3I1b110) symbioses. Three different techniques, acetylene...

Urate oxidase in peroxisomes from maize root tips.

Planta

Parish RW.
PMID: 24481737
Planta. 1972 Sep;104(3):247-51. doi: 10.1007/BF00387079.

Peroxisomes isolated from maize root tips contained urate oxidase, although the supplementary enzymes allantoinase, allantoicase and NADH-glyoxylate reductase were not detected. Some glutamate-oxalacetate transaminase was present in peroxisomes. Enzymes of two other pathways occuring in plant peroxisomes, namely glycolate...

Cellular compartmentation of ureide biogenesis in root nodules of cowpea (Vigna unguiculata (L.) Walp.).

Planta

Webb MA, Newcomb EH.
PMID: 24225867
Planta. 1987 Oct;172(2):162-75. doi: 10.1007/BF00394584.

Cowpea (Vigna unguiculata (L.) Walp.) nodules have been investigated by means of cytochemical and immunocytochemical procedures at the ultrastructural level in order to assess the role of the uninfected cells in ureide biogenesis. Uricase activity in the nodules was...

Showing 1 to 12 of 26 entries