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auxotroph

Saltos de línea: auxo|troph
Pronunciación: /ˈɔːksətrəʊf
 
, -trɒf/

Definición de auxotroph en inglés:

sustantivo

Biology
A mutant organism (especially a bacterium or fungus) that requires a particular additional nutrient which the normal strain does not.
Example sentences
  • These mutations result in plants that are stunted, have dark green leaves and show defects in flower development and timing of flowering, but unlike GA auxotrophs these mutants are not rescued by GA application.
  • While the purpose of early mutant isolations was mostly focused on the identification of auxotrophs, many of these early strains have been subjected to heavy mutagenesis.
  • Both of these mutants seem to be thiamin auxotrophs because they appeared normal when grown on media supplemented with 0.1 mM thiamin.

Origen

1950s: from Latin auxilium 'help' + Greek trophos 'feeder'.

Derivados

auxotrophic

1
adjetivo
Example sentences
  • Previous work on Drosophila de novo purine synthesis genes showed that 4 mg/ml RNA supplementation can rescue the phenotype of auxotrophic mutants fed a defined medium.
  • Linear relationships have been found between increasing levels of the supplied amino acid and the bioluminescence emission of the auxotrophic mutant of E. coli carrying the lux system.
  • The data indicate that the mutations complement with respect to the auxotrophic phenotype when grown on Sang's medium.

Definición de auxotroph en:

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Palabra del día terpsichorean
Pronunciación: ˌtəːpsɪkəˈriːən
adjective
relating to dancing