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bacitracin    
杆菌肽素; 枯草杆菌肽

杆菌□素; 枯草杆菌□

bacitracin
n 1: a polypeptide antibiotic of known chemical structure
effective against several types of Gram-positive organisms;
usually applied locally

bacitracin \bacitracin\ 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 usually used topically for superficial local
infection.

Note: It is produced by {Bacillus subtilis} and {Bacillus
licheniformis}, and as produced commercially is
composed of several closely related substances. The
predominant component, {Bacitracin A}, has a formula
{C60H103N17O16S}, and contains D-ornithine,
D-phenylalanine and D-glutamine residues as well as the
L-isomers of leucine, isoleucine, histidine, asparagine
and aspartic acid. --[MI11]
[WordNet 1.5]


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