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单词 endosymbiont
释义

endosymbiontn.

Brit. /ˌɛndəʊˈsɪmbʌɪɒnt/, /ˌɛndəʊˈsɪmbɪɒnt/, U.S. /ˌɛndoʊˈsɪmbaɪˌɑnt/, /ˌɛndoʊˈsɪmbiˌɑnt/
Origin: Formed within English, by derivation. Etymons: endo- prefix and comb. form, symbiont n.
Etymology: < endo- prefix and comb. form + symbiont n. Compare earlier endosymbiosis n.
Biology.
An organism living in a symbiotic relationship inside another organism.
ΚΠ
1939 F. E. Clements & V. E. Shelford Bio-ecol. iv. 141 Probably the simplest combinations of insects with bacteria or fungi are those investigated..for a scale insect, Lecanium, with which a variety of yeasts and molds may live as endosymbionts.
1952 Physiol. Rev. 32 415 Cyanophyte (blue green algae) endosymbionts have repeatedly been interpreted as intracellular organelles.
1974 J. B. Finean et al. Membranes & Cellular Functions vi. 107 Both have probably evolved from prokaryotic organisms which, early in evolution, colonized other cells and became endosymbionts.
2001 Sci. News 30 June 403/2 The endosymbiont has no way of getting versions of its genes back because it is isolated from other bacteria.
This is a new entry (OED Third Edition, December 2005; most recently modified version published online March 2022).
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n.1939
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