aux·o·troph (ôk s -tr f, -tr f )n. An organism, such as a strain of bacteria, that has lost the ability to synthesize certain substances required for its growth and metabolism as the result of mutational changes. [Back-formation from auxotrophic.] |
auxotroph [ˈɔːksətrəʊf]
n
(Life Sciences & Allied Applications / Microbiology) a mutant strain of microorganism having nutritional requirements additional to those of the normal organism
auxotrophic adj
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