β-d-galactosidase

β-d-galactosidase
A sugar-splitting enzyme that catalyzes the hydrolysis of lactose into d-glucose and d-galactose, and that of other β-d-galactosides; it also catalyzes galactotransferase reactions; a deficiency of β-d-galactosidase leads to problems in the intestinal digestion of lactose; used in the production of milk products for adults who do not have the intestinal enzyme; a defect of one isozyme of β-d-galactosidase is associated with Morquio syndrome type B. Cf.:lactase persistence, lactase restriction. SYN: lactase.

Medical dictionary. 2011.

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  • galactosidase — [ galaktozidaz ] n. f. • 1953; de galact(o) , oside et ase ♦ Biochim. ⇒ lactase. ● galactosidase nom féminin Synonyme de lactase. ● galactosidase (synonymes) nom féminin Synonymes …   Encyclopédie Universelle

  • Galactosidase — ist der Oberbegriff für die zwei Enzyme: α Galactosidase β Galactosidase Diese Seite ist eine Begriffsklärung zur Unterscheidung mehrerer mit demselben Wort bezeichneter Begriffe …   Deutsch Wikipedia

  • galactosidase — galactosidase. См. галактозидаза. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • galactosidase — galaktozidazė statusas T sritis chemija apibrėžtis Fermentas, katalizuojantis laktozės skilimą į gliukozę ir galaktozę. atitikmenys: angl. galactosidase rus. галактозидаза …   Chemijos terminų aiškinamasis žodynas

  • galactosidase — noun Date: 1917 an enzyme (as lactase) that hydrolyzes a galactoside …   New Collegiate Dictionary

  • galactosidase — ga·lac·to·si·dase (gə lăkʹtō sĭ dās , dāz , lăk tōʹ ) n. An enzyme that catalyzes the hydrolysis of a galactoside. * * * …   Universalium

  • galactosidase — noun Any of several enzymes that catalyze the hydrolysis of a galactoside …   Wiktionary

  • galactosidase — ga·lac·to·si·dase gə .lak tō sə .dās, zə .dāz n an enzyme (as lactase) that hydrolyzes a galactoside …   Medical dictionary

  • galactosidase — ga·lac·to·sid·ase …   English syllables

  • galactosidase — gəˌlaktəˈsīˌdās, āz noun ( s) Etymology: galactoside + ase : an enzyme (as lactase) that hydrolyzes a galactoside …   Useful english dictionary

  • Bêta-galactosidase — β galactosidase La β galactosidase de Penicillum sp. Caractéristiques générales Nom approuvé β D galactoside galactohydrolase Autres noms ou symbole lactase ; β lactosidase ; m …   Wikipédia en Français

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