auxotrophic mutant

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aux·o·tro·phic mu·tant

mutant with a nutritional requirement not present in the wild-type organism.
References in periodicals archive ?
100], a biotin requiring auxotrophic mutant, derived from a regulatory mutant Micrococcus glutamicus [AB.
The effect of different chemical constituents and condition of the maintenance medium on the maintenance of the auxotrophic mutant Micrococcus glutamicus [AB.