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Etymology

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From opistho- +‎ -kont (flagellate) from Ancient Greek κοντός (kontós, pole).

Pronunciation

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Noun

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opisthokont (plural opisthokonts)

  1. (biology) Any of very many eukaryotes, including animals and fungi, whose flagellate cells (if any) propel themselves with a single posterior flagellum.
    • 2002, Michael Breitenbach, Reto Crameri, Samuel B. Lehrer, Fungal Allergy and Pathogenicity[1], Karger Medical and Scientific Publishers, →ISBN, page 211, →ISBN:
      Based on a single posterior flagellum (opisthokont), flattened, nondiscoid mitochondrial cristae, a chitinous exoskeleton, storage of glycogen instead of starch, lack of chloroplasts, and the code UGA for tryptophan, not chain termination, in their mitochondria, Cavalier-Smith [54] suggests a common origin of the true fungi with animalia and choanoflagellate protozoa (fig. 1).
    • 2004, Joel Cracraft, Michael J. Donoghue, Assembling the Tree of Life[2], Oxford University Press (USA), →ISBN, page 68, →ISBN:
      However, these characters are only sporadically found among the various opisthokont allies (described above).
    • 2006, Laura Katz Olson, Debashish Bhattacharya, Genomics and Evolution of Microbial Eukaryotes[3], Oxford University Press, →ISBN, page 13, →ISBN:
      Although the group embraces taxa that are diverse in morphology and life history, cells of undisputed opisthokonts have a single emergent flagellum which projects behind the cells while they swim. This is treated as defining the opisthokont ancestry.

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