You searched for: “prototroph”
prototroph (s) (noun), prototrophs (pl)
A microorganism that has the same nutritional requirements as the parent organism: Prototrophs can be bacterial strains that have the same nutritional requirements as the wild-type strain from which they were derived.

A prototroph is an organism or cell capable of synthesizing all of its metabolites from inorganic material, requiring no organic nutrients.