lysozyme

lysozyme
An enzyme hydrolyzing 1,4-β links between N-acetylmuramic acid and N-acetyl-d-glucosamine, and thus destructive to cell walls of certain bacteria; present in tears and some other body fluids, in egg white, and in some plant tissues; used in the prevention of caries and in the treatment of infant formulas. SYN: mucopeptide glycohydrolase, muramidase.

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ly·so·zyme 'lī-sə-.zīm n a basic bacteriolytic protein that hydrolyzes peptidoglycan and is present in egg white and in saliva and tears called also muramidase

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n.
an enzyme found in tears and egg white. It catalyses the destruction of the cell walls of certain bacteria. Bacterial cells that are attacked by lysozyme are said to have been lysed.

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ly·so·zyme (liґso-zīm) [EC 3.2.1.17] an enzyme of the hydrolase class that catalyzes the hydrolysis of specific glycosidic linkages in peptidoglycans and in chitin. The enzyme occurs in saliva, tears, egg white, and many animal fluids and catalyzes the breakdown of some bacterial cell walls.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Lysozyme — single crystal Identifiers EC number 3.2.1.17 …   Wikipedia

  • lysozyme — [ lizozim ] n. m. • 1935; du gr. luein (cf. lyse) et (en)zyme ♦ Biochim. Enzyme qui dissout certaines bactéries en hydrolysant le polysaccharide qui confère sa solidité à la paroi cellulaire. ● lysozyme nom masculin Enzyme présente dans les… …   Encyclopédie Universelle

  • lysozyme — lysozyme. См. мурамидаза. (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.

  • Lysozyme — Lysozyme, hydrolytische Enzyme; werden von Phagen zur Auflösung der Bakterienzellwand sezerniert; wirken im Atmungs und Verdauungstrakt vieler Tiere bakterientötend und dienen so der unspezifischen Abwehr …   Deutsch wörterbuch der biologie

  • lysozyme — 1922, from LYSO (Cf. lyso ) + suffix from ENZYME (Cf. enzyme) …   Etymology dictionary

  • lysozyme — [lī′sə zīm΄] n. [see LYSOSOME & ZYME] an enzyme present in egg white, tears, saliva, etc. that can kill certain bacteria by dissolving the cell walls …   English World dictionary

  • Lysozyme — Structure tertiaire du lysozyme Cristal de lysozyme …   Wikipédia en Français

  • lysozyme — /luy seuh zuym /, n. Biochem. an enzyme that is destructive of bacteria and functions as an antiseptic, found in tears, leukocytes, mucus, egg albumin, and certain plants. [1920 25; LYSO + (EN)ZYME] * * * ▪ enzyme       enzyme found in the… …   Universalium

  • lysozyme — n. an enzyme found in tears and egg white. It catalyses the destruction of the cell walls of certain bacteria. Bacterial cells that are attacked by lysozyme are said to have been lysed …   The new mediacal dictionary

  • lysozyme — lizocimas statusas T sritis chemija apibrėžtis Fermentas, skaidantis bakterinius polisacharidus. atitikmenys: angl. lysozyme rus. лизоцим …   Chemijos terminų aiškinamasis žodynas

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