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1. Pertaining to a prototroph.
2. Denoting the ability to undertake anabolism or to obtain nourishment from a single source, as with iron, sulfur, or nitrifying bacteria or photosynthesizing plants.
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(prō′tə-trō′fĭk, -trŏf′ĭk)
Having the same metabolic capabilities and nutritional requirements as the wild type parent strain: prototrophic bacteria.

pro′to·troph′, pro′to·troph′y n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
References in periodicals archive ?
Both recombinant genotypes are prototrophic and so can grow without supplemental amino acids.
The latter two strains revert to a prototrophic [his.sup.+] phenotype via a specific base-substitution event (TA7001, AT to GC, and TA7004, GC to AT) (Gee et al.