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Related to prototroph: prototrophy, autotroph, auxotroph


 (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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biology) a prototrophic life form
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
The strain Kluyveromyces lactis IFO1267 (a prototroph [K2K1]) that was kindly provided by Dr MJR Stark, the University of Dundee, Dundee, England.
The resulting uracil prototroph transformants that exhibit blue colonies can be selected on uracil-free plates.
If this auxotroph mutant interact with a substance that can change it into prototroph, it means that the substance have a potency to be mutagenic.