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 mutants of bacteria
>
auxotrophy noun

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • 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

  • 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 …   English World dictionary

  • auxotrophic — Pertaining to an auxotroph. * * * auxo·tro·phic .ȯk sə trō fik adj requiring a specific growth substance beyond the minimum required for normal metabolism and reproduction of the parental or wild type strain <auxotrophic bacterial mutants> …   Medical dictionary

  • auxotrophic — adjective Describing a strain of organism that requires a specific metabolic substance that the parent organism was able to synthesize by itself See Also: auxotroph, auxotrophy …   Wiktionary

  • auxotrophic — auxo·tro·phic …   English syllables

  • auxotrophic — …   Useful english dictionary

  • auxotrophic mutation — auxotrophic mutation. См. ауксотрофная мутация. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • auxotrophic mutation — auksotrofinė mutacija statusas T sritis augalininkystė apibrėžtis Geninė (biotechninė) mutacija, pasireiškianti padidėjusiu mutanto tam tikrų augimo veiksnių poreikiu. atitikmenys: angl. auxotrophic mutation rus. ауксотрофная мутация …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • auxotrophic mutation — a mutation resulting in the inability of bacteria to grow on minimal media …   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

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