Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A mixture of a toxin and its antitoxin with a slight excess of toxin, formerly used as a vaccine.
Etymologies
Sorry, no etymologies found.
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Examples
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Theobald Smith had suggested that such toxin-antitoxin mixtures might be used to immunize man against this disease.
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He also showed that the toxin-antitoxin reaction is, as chemical reactions are, accelerated by heat and retarded by cold and that the content of antitoxin in antitoxic sera varied so much for various reasons that it was necessary to establish a standard by which their antitoxin content could be exactly measured.
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Behring himself saw in his production of this toxin-antitoxin mixture the possibility of the final eradication of diphtheria; and he regarded this part of his efforts as the crowning success of his life's work.
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We know definitely the cause of the disease; we have tests whereby we can determine whether a human being is liable to take the disease if exposed to it; we have an antitoxin which is specific 'in the treatment of the disease and toxin-antitoxin or toxoid with which it is possible to inoculate children and thus establish a resistance against the disease.
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The presence of two intact replication regions, RepFIB and RepFIIA, as well two different toxin-antitoxin systems, is evidence of the highly mosaic plasmid structure of pAPEC-1.
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The presence of two toxin-antitoxin systems on the same plasmid is not unusual; a similar situation is found with the pAPEC-O1-ColBM plasmid
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The maintenance of the Rts1 plasmid is ensured in part by the HigBA toxin-antitoxin system.
Journal of Biological Chemistry current issue Hurley, J. M., Woychik, N. A. 2009
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The first was the bacterial toxin-antitoxin system MazEF, which binds to DNA in a sequence-specific manner and is thought to be responsible for the maintenance of resistance-encoding plasmids in certain infectious bacteria.
innovations-report 2008
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The first was the bacterial toxin-antitoxin system MazEF, which binds to DNA in a sequence-specific manner and is thought to be responsible for the maintenance of resistance-encoding plasmids in certain infectious bacteria.
innovations-report 2008
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The first was the bacterial toxin-antitoxin system MazEF, which binds to DNA in a sequence-specific manner and is thought to be responsible for the maintenance of resistance-encoding plasmids in certain infectious bacteria.
innovations-report 2008
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