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mutagen
(redirected from Mutagens)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
mutagen /mu·ta·gen/ (mu´tah-jen) an agent which induces genetic mutation.
mu·ta·gen (myt-jn, -jn)
n.
An agent, such as ultraviolet light or a radioactive element, that can induce or increase the frequency of mutation in an organism.

muta·genic adj.
muta·geni·cal·ly adv.
muta·ge·nici·ty (-j-ns-t) n.

mutagen
[myo̅o̅′təjən]
Etymology: L, mutare, to change, genein, to produce
any chemical or physical environmental agent that induces a genetic mutation or increases the mutation rate. mutagenic, adj., mutagenicity, n.

mutagen [mu´tah-jen]
an agent that induces genetic mutation.

mutagen
(mū´tjin),
n a chemical or physical environmental agent that induces a genetic mutation or increases the mutation rate.

mutagen
a physical agent or chemical reagent that causes mutation to occur, e.g. x-irradiation, nitrous acid, and thereby increases the mutation rate of a gene.


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The authors conclude that the new bioassay is a reliable and sensitive screening tool for identifying and characterizing genotoxic effects of environmental mutagens.
To do so, the mycobacterium responsible must resist an arsenal of DNA-damaging mutagens produced within the macrophage, the immune cell in which it lives.
Overall, the evidence that points to N-nitroso compounds and mutagens is compelling, but it's not enough.
 
 
 
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