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UREASA [2 records]
Record 1 - internal organization data 2012-02-03
Record 1, English
Record 1, Subject field(s)
- Biological Sciences
Record 1, Main entry term, English
- urease
1, record 1, English, urease
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
Enzyme that catalyzes the conversion of urea to ammonia and carbon dioxide. 2, record 1, English, - urease
Record number: 1, Textual support number: 1 CONT
It was therefore a major landmark in the history of enzyme research when, in 1897, Eduard Buchner succeeded in extracting from yeast cells that enzymes catalyzing alcoholic fermentation. This achievement clearly demonstrated that these important enzymes, which catalyze a major energy-yielding metabolic pathway, can function independently of cell structure. However, it was not until many years later that an enzyme was first isolated in pure crystalline form. This was accomplished by J.B. Sumner in 1926 for the enzyme urease isolated from extracts of the jack bean. Sumner presented evidence that the crystals consist of protein, and he concluded, contrary to prevailing opinion, that enzymes are proteins. 3, record 1, English, - urease
Record 1, French
Record 1, Domaine(s)
- Sciences biologiques
Record 1, Main entry term, French
- uréase
1, record 1, French, ur%C3%A9ase
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Enzyme catalysant l'hydrolyse de l'urée en carbonate d'ammonium. Elle est présente chez les végétaux ou chez les microorganismes responsables de la décomposition de l'urée dans les urines exposées à l'air. L'enzyme est utilisée pour le dosage spécifique de l'urée dans les milieux biologiques. 2, record 1, French, - ur%C3%A9ase
Record number: 1, Textual support number: 1 CONT
Un très grand nombre de dosages, en particulier en analyse médicale, requièrent l'utilisation d'enzymes. Ces enzymes solubles peuvent être remplacées avantageusement par des enzymes insolubilisées sur des supports papier ou Nylon. [...] Beaucoup plus original est le développement d'électrodes biologiques, dites «électrodes à enzymes». Il s'agit en fait d'électrodes mixtes. Ainsi, dans le cas d'une électrode à urée, l'uréase adsorbée sur un gel convertit l'urée en ions ammonium et HCO3-. Une électrode sensible aux ions NH4+ permet la mesure directe de la quantité d'urée disponible (qui détermine en fait la vitesse de production d'ions NH4+). 3, record 1, French, - ur%C3%A9ase
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Ciencias biológicas
Record 1, Main entry term, Spanish
- ureasa
1, record 1, Spanish, ureasa
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2012-01-30
Record 2, English
Record 2, Subject field(s)
- Biochemistry
- Biotechnology
Record 2, Main entry term, English
- urease
1, record 2, English, urease
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- urea enzyme 2, record 2, English, urea%20enzyme
correct
- urea ferment 2, record 2, English, urea%20ferment
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
A colorless, crystalline globulin that was first extracted by Takeuchi from soy bean. It is also found in mucous urine passed during inflammation of the bladder. It is formed by various microorganisms, and is capable of causing the change of urea into carbon dioxide and ammonia and of hippuric acid into benzoic acid and glycocoll. 2, record 2, English, - urease
Record 2, French
Record 2, Domaine(s)
- Biochimie
- Biotechnologie
Record 2, Main entry term, French
- uréase
1, record 2, French, ur%C3%A9ase
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Enzyme qui catalyse l'hydrolyse de l'urée en carbonate d'ammonium. 2, record 2, French, - ur%C3%A9ase
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Bioquímica
- Biotecnología
Record 2, Main entry term, Spanish
- ureasa
1, record 2, Spanish, ureasa
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Enzima presente en la semilla de soja y en la orina y que es secretada por ciertos microorganismos. 2, record 2, Spanish, - ureasa
Record number: 2, Textual support number: 1 OBS
Descompone la urea en amoníaco o [...] carbonato amónico. 2, record 2, Spanish, - ureasa
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