| auxotroph | <biology> Mutant that differs from the wild type in requiring a nutritional supplement for growth. A deficiency mutant. (02 Jan 1998) |
|---|---|
| auxotrophic | Pertaining to an auxotroph. (05 Mar 2000) |
| auxotrophic mutant | Mutant with a nutritional requirement not present in the wild type organism. Synonym: defective organism, deficiency mutant. (05 Mar 2000) |
| auxotrophic strains | Strain's which are derived from the prototrophic strain but which require extra growth factors. (05 Mar 2000) |