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单词 saprotroph
释义

Definition of saprotroph in English:

saprotroph

noun ˈsaprə(ʊ)trəʊfsaprə(ʊ)ˈtrɒf-ˌträf
Biology
  • An organism that feeds on or derives nourishment from decaying organic matter.

    〔生〕腐生生物

    Example sentencesExamples
    • In contrast to ciliates, Opalina combined large cell size and the need for fast growth by evolving numerous genetically equivalent nuclei per cell (like siphoneous algae and many hyphal saprotrophs - fungi and pseudofungi).
    • Fungal endophytes and saprotrophs generally play an important ecological role within plant tissues and dead plant material.

Derivatives

  • saprotrophic

  • adjective
    Biology
    • Those illustrated in Fig.4 resemble simple cord-forming, saprotrophic basidomycetes, which are involved in lignin decomposition (L. Boddy, pers. comm. 2001; work in progress).
      Example sentencesExamples
      • However, if no suitable photobiont is available, the mycobiont can survive in a loose association with other algae or behave as a saprotrophic fungus.
      • The disease shows two distinct stages: a biotrophic and a necrotrophic / saprotrophic phase.
      • Some saprotrophic and ectomycorrhizal fungi produce reproductive structures, preferably in slightly alkaline to neutral forest soil.
      • Although fungi are thought of as saprotrophic or parasitic, more than one third of the known fungi are involved in mutualistic symbioses.

Origin

Back-formation from saprotrophic.

Definition of saprotroph in US English:

saprotroph

noun-ˌträf
Biology
  • An organism that feeds on or derives nourishment from decaying organic matter.

    〔生〕腐生生物

    Example sentencesExamples
    • In contrast to ciliates, Opalina combined large cell size and the need for fast growth by evolving numerous genetically equivalent nuclei per cell (like siphoneous algae and many hyphal saprotrophs - fungi and pseudofungi).
    • Fungal endophytes and saprotrophs generally play an important ecological role within plant tissues and dead plant material.

Origin

Back-formation from saprotrophic.

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更新时间:2025/2/6 21:22:33