bacitracin

bacitracin
An antibacterial antibiotic polypeptide of known chemical structure isolated from cultures of an aerobic, Gram-positive, spore-bearing bacillus (member of the Bacillus subtilis group); active against hemolytic streptococci, staphylococci, and several types of Gram-positive, aerobic, rod-shaped organisms; usually applied locally. Zinc b. is also available. [Bacillus + Margaret Tracy, source of orig. culture]

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bac·i·tra·cin .bas-ə-'trās-ən n a polypeptide antibiotic isolated from a bacillus (Bacillus subtilis or B. licheniformis) and usu. used topically esp. against gram-positive bacteria
Tra·cy 'trā-sē Margaret American hospital patient. The antibiotic bacitracin was first identified in 1945 in wound drainage from Margaret Tracy.

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n.
an antibiotic produced by certain strains of bacteria and effective against a number of microorganisms. Combined with other antibiotics, it is applied externally to treat infections of the skin and eyes.

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bac·i·tra·cin (bas″ĭ-traґsin) [USP] an antibacterial produced by the licheniformin group of Bacillus subtilis, which interferes with bacterial cell wall synthesis. It is effective against many gram-positive bacteria, such as staphylococci, streptococci, and various bacilli, and a few gram-negative bacteria, including Neisseria, Haemophilus influenzae, and Treponema pallidum. It is applied topically to the skin or conjunctiva in the prophylaxis and treatment of infections. It is also administered orally in the treatment of antibiotic-associated pseudomembranous enterocolitis caused by toxins A and B of Clostridium difficile.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Bacitracin — (Bacillus subtilis) Strukturformel …   Deutsch Wikipedia

  • bacitracin — acitracin n. (1940) [Bacillus + Margaret Tracy, (a child whose tissues contained {Bacillus subtilis}) + in. RHUD.] a polypeptide antibacterial antibiotic of known chemical structure effective against several types of Gram positive organisms, and …   The Collaborative International Dictionary of English

  • Bacitracin A — bacitracin acitracin n. (1940) [Bacillus + Margaret Tracy, (a child whose tissues contained {Bacillus subtilis}) + in. RHUD.] a polypeptide antibacterial antibiotic of known chemical structure effective against several types of Gram positive… …   The Collaborative International Dictionary of English

  • bacitracin — bacitracin. См. бацитрацин. (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.

  • bacitracin — ☆ bacitracin [bas΄i trā′sin ] n. [arbitrary blend < BACILLUS + (Margaret) Trac(y), name of Am girl (1936 ) from whose wounds the strain was isolated + IN1] an antibiotic obtained from a strain of bacteria (Bacillus subtilis) and used in the… …   English World dictionary

  • Bacitracin — drugbox IUPAC name = 5 (1 (4 (14 ((1 H imidazol 5 yl)methyl) 20 (2 amino 2 oxoethyl) 11 benzyl 8 sec butyl 17 (carboxymethyl) 3,6,9,12,15,18,21 heptaoxo 1,4,7,10,13,16,19 heptaazacyclohenicosan 2 yl)butylamino) 3 methyl 1 oxopentan 2 ylamino) 4… …   Wikipedia

  • bacitracin — noun A nonprescription antibiotic, usually provided in topical ointment form and discovered as a product of the bacterium Bacillus subtilis. <!From the discussion page for John Kerry in Wikipedia: , Ive seen it both ways but lower case is more …   Wiktionary

  • bacitracin zinc — [USP] the zinc salt of bacitracin, having actions and uses similar to the base …   Medical dictionary

  • bacitracin — noun Etymology: New Latin Bacillus subtilis (species of bacillus producing the toxin) + Margaret Tracy b ab 1936 American child in whose tissues it was found Date: 1945 a polypeptide antibiotic isolated from a bacillus (Bacillus subtilis or B.… …   New Collegiate Dictionary

  • bacitracin — Branched cyclic peptides produced by strains of Bacillus licheniformis. Interfere with murein (peptidoglycan) synthesis in Gram positive bacteria …   Dictionary of molecular biology

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