auxotroph

auxotroph

[awk-suh-trof, -trohf]
noun Biology.
a mutant organism, especially a microorganism, that has a nutritional requirement not shared by the parent organism. Compare prototroph ( def 1 ).

Origin:
1950–55; back formation from auxotrophic; see auxo-, trophic

auxotrophic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To auxotroph
Collins
World English Dictionary
auxotroph (ˈɔːksətrəʊf)
 
n
a mutant strain of microorganism having nutritional requirements additional to those of the normal organism
 
auxo'trophic
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

auxotroph aux·o·troph (ôk'sə-trŏf', -trōf')
n.
A mutated microorganism having nutritional requirements that differ from those of unmutated microorganisms from the same strain.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature