Auxotroph

∞ generated and posted on 2016.02.07 ∞

Mutant organisms that are incapable of synthesizing organic growth factors that their parent strains can synthesize, but nonetheless are able to obtain those factors from their environment.

Note that the concept of auxotroph has nothing to do with that of autotroph and indeed auxotrophic mutations traditionally have been identified in heterotrophic rather than autotrophic organisms.


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