• synonyms


[proh-tuh-trof, -trohf]
noun Biology.
  1. a microorganism that has the same nutritional requirements as the parent organism.Compare auxotroph.
  2. an organism or cell capable of synthesizing all its metabolites from inorganic material, requiring no organic nutrients.
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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

prototroph in Medicine


(prōtə-trŏf′, -trōf′)
  1. A bacterial strain that has the same nutritional requirements as the wild type strain from which it was derived.
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Related formspro′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.