[ proh-tuh-trof, -trohf ]
/ ˈproʊ təˌtrɒf, -ˌtroʊf /

noun Biology.

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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for prototroph

[ prōtə-trŏf′, -trōf′ ]


A bacterial strain that has the same nutritional requirements as the wild type strain from which it was derived.

Other words from prototroph

pro′to•trophic (-trŏfĭk, -trōfĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.