ocher mutation

o"cher mu"tation

n. [A humorous variation on the term amber mutation.] (Microbiology, Molecular biology) A mutation in which the base sequence of one of the codons in the messenger RNA has been converted to UAA. Such a mutation may be conditionally suppressed, as can an amber mutation, by the presence of a special transfer RNA. -- ocher mutant, n.
[PJC]

{

O"cher*ous

,

O"chre*ous

} (?), a. [Cf. F. ocreux.] Of or pertaining to ocher; containing or resembling ocher; as, ocherous matter; ocherous soil.
[1913 Webster]

 

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Tue 18th June 2019