The inability of a microorganism to synthesize an organic compound required for its growth, often as a result of mutation
See Also: auxotrophic, auxotrophically, autotrophy

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  • Auxotrophy — is the inability of an organism to synthesize a particular organic compound required for its growth (as defined by IUPAC). An auxotroph is an organism that displays this characteristic; auxotrophic is the corresponding adjective. Auxotrophy is… …   Wikipedia

  • auxotrophy — noun see auxotrophic …   New Collegiate Dictionary

  • auxotrophy — See auxotrophic. * * * …   Universalium

  • auxotrophy — aux·ot·ro·phy ȯk sä trə fē n, pl phies the condition of being auxotrophic …   Medical dictionary

  • auxotrophy — aux·ot·ro·phy …   English syllables

  • auxotrophy — noun see auxotrophic …   Useful english dictionary

  • Adaptive mutation — Evolutionary theory describes that mutagenesis occurs randomly, regardless of the utility of a genetic mutation to the organism. If it is beneficial or neutral, the organism will survive to reproduce and pass on the mutation. However, molecular… …   Wikipedia

  • auxotrophic — adjective Etymology: Greek auxein to increase + o + English trophic Date: 1944 requiring a specific growth substance beyond the minimum required for normal metabolism and reproduction by the parental or wild type strain < auxotrophic …   New Collegiate Dictionary

  • Heterotroph — Overview of cycle between autotrophs and heterotrophs A heterotroph (English pronunciation: /ˈhɛtərɵtroʊf/; ἕτερος heteros = another , different and τροφή trophe = nutrition ) is an organism that cannot …   Wikipedia

  • Replica plating — In molecular biology and microbiology, replica plating is a technique in which one or more secondary Petri plates containing different solid (agar based) selective growth media (lacking nutrients or containing chemical growth inhibitors such as… …   Wikipedia

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