auxotroph

Definitions:

  • 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.
  • Any <xref>microorganism</xref> that has lost the ability to <xref>synthesize</xref> an <xref>organic compound</xref> required for its growth, usually as a result of <xref>mutation</xref>
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