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词汇 axenic
释义

Definition of axenic in English:

axenic

adjective eɪˈzɛnɪkāˈzēnik
Botany
  • Relating to or denoting a culture that is free from living organisms other than the species required.

    〔主植〕纯性培养的,无异种生物混杂的

    Example sentencesExamples
    • Proteinaceous matter released during the growth of an axenic diatom culture contains similar amino acid distributions across size fractions as in Delaware Bay samples.
    • Tips of generative shoots excised from flowering beets were the explants used to initiate axenic shoot cultures.
    • Experiments that showed a PPFM strain could stimulate growth and development of a leafy liverwort in axenic culture were reported some time ago.
    • Primary sporocysts were obtained after overnight axenic culture of miracidia as described.
    • Duckweeds also have the advantage that they may be grown in axenic cultures, reproducing vegetatively.

Derivatives

  • axenically

  • adverb
    Botany
    • The cells were fed with ciliates Tetrahymena pyriformis, which were axenically cultured in medium containing 1.0% proteose peptone supplemented with 0.1% yeast extract.
      Example sentencesExamples
      • ATCC 50230 was grown axenically in seawater enriched with 10% w/v horse serum.
      • Rice plants were axenically grown in glass test tubes containing a strip of filter paper to support the seeds and filled with 15 ml of Long Ashton nutrient solution.
      • Cells were grown axenically in batch culture, in Bold's basal medium as described previously, under a constant light fluence.
      • Reticulomyxa filosa cells are large, delicate syncytial networks and cannot be grown axenically.

Origin

1940s: from a- 'not' + Greek xenikos 'alien, strange' + -ic.

Definition of axenic in US English:

axenic

adjectiveāˈzēnik
Botany
  • Relating to or denoting a culture that is free from living organisms other than the species required.

    〔主植〕纯性培养的,无异种生物混杂的

    Example sentencesExamples
    • Tips of generative shoots excised from flowering beets were the explants used to initiate axenic shoot cultures.
    • Proteinaceous matter released during the growth of an axenic diatom culture contains similar amino acid distributions across size fractions as in Delaware Bay samples.
    • Primary sporocysts were obtained after overnight axenic culture of miracidia as described.
    • Experiments that showed a PPFM strain could stimulate growth and development of a leafy liverwort in axenic culture were reported some time ago.
    • Duckweeds also have the advantage that they may be grown in axenic cultures, reproducing vegetatively.

Origin

1940s: from a- ‘not’ + Greek xenikos ‘alien, strange’ + -ic.

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