Auxotroph definition

ôksə-trŏf, -trōf
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.
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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.
noun
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Any microorganism that has lost the ability to synthesize an organic compound required for its growth, usually as a result of mutation.
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Other Word Forms

Noun

Singular:
auxotroph
Plural:
auxotrophs

Origin of auxotroph

  • Back-formation from auxotrophic

    From American Heritage Dictionary of the English Language, 5th Edition

  • auxo- +"Ž -troph

    From Wiktionary