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Definition of prototroph - 4 dictionary results

pro⋅to⋅troph

  [proh-tuh-trof, -trohf]
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–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.
Origin:
1945–50; back formation from prototrophic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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pro·to·tro·phic   (prō'tə-trō'fĭk, -trŏf'ĭk)   
adj.  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® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: pro·to·troph
Pronunciation: 'prOt-&-"trOf, -"träf
Function: noun
: a prototrophic individual
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

prototroph pro·to·troph (prō'tə-trŏf', -trōf')
n.
A bacterial strain that has the same nutritional requirements as the wild type strain from which it was derived.

pro'to·troph'ic (-trŏf'ĭk, -trō'fĭk) adj.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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