auxotroph mutant

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• auxotroph — Mutant that differs from the wild type in requiring a nutritional supplement for growth. A deficiency mutant …   Dictionary of molecular biology

• auxotroph — A mutant microorganism that requires some nutrient that is not required by the organism (prototroph) from which the mutant was derived. Cf.:polyauxotroph, monoauxotroph. [auxo + G. trophe, nourishment] * * * auxo·troph .trōf, .träf …   Medical dictionary

• auxotroph — auxotrophic, adj. /awk seuh trof , trohf /, n. Biol. a mutant organism, esp. a microorganism, that has a nutritional requirement not shared by the parent organism. Cf. prototroph (def. 1). [1950 55; back formation from auxotrophic; see AUXO ,… …   Universalium

• auxotroph — [ ɔ:ksətrəʊf, trɒf] noun Biology a mutant organism that requires a particular additional nutrient which the normal strain does not. Derivatives auxotrophic adjective Origin 1950s: from L. auxilium help + Gk trophos feeder …   English new terms dictionary

• auxotroph — A mutant cell or micro organism lacking one metabolic pathway present in the parental strain, and that consequently will not multiply on a minimal medium, but requires for growth the addition of a specific compound, such as an amino acid or a… …   Glossary of Biotechnology

• List of genetics-related topics — This is a list of terms related to genetics. NOTOC # * 3 end * 5 end A * Acentric chromosome * Achondroplasia * Active site * Adam s Curse * Adaptation * Adenine * Adenosine * Adenovirus * Adenosine diphosphate (ADP) * Ala * Alagille syndrome *… …   Wikipedia

• List of genetic engineering topics — NOTOC # 3 end 5 end A Acentric chromosome Achondroplasia Active site Adam s Curse Adaptation Adenine Adenosine Adenosine diphosphate Adenovirus ADP Ala Alagille syndrome Albino Alcoholism Alkylating agent Allele Allele frequency Alleles… …   Wikipedia

• 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

• polyauxotroph — A mutant organism that requires several nutrients that are not required by the wild type organism. Cf.:auxotroph, monoauxotroph. * * * poly·auxo·troph (pol″e awkґso trōf) [poly + auxo + trophic] an organism, especially a mutant, which… …   Medical dictionary

• auxotrophic — [ôk΄sə träf′ik] adj. 〚< Gr auxein, to increase + TROPHIC〛 designating or of a mutant organism requiring more nutritional substances than its prototrophic parent because it has lost the ability to make a certain enzyme auxotroph [ôk′səträf΄] n. *… …   Universalium

• monoauxotroph — A mutant microorganism that requires a particular nutrient that is not required by the wild type organism. Cf.:auxotroph, polyauxotroph …   Medical dictionary