- a microorganism that has the same nutritional requirements as the parent organism.Compare auxotroph.
- an organism or cell capable of synthesizing all its metabolites from inorganic material, requiring no organic nutrients.
Origin of prototroph
First recorded in 1945–50; back formation from prototrophic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- A bacterial strain that has the same nutritional requirements as the wild type strain from which it was derived.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.