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Revision as of 06:16, 17 November 2024

Heterolobosea
The three different stages of N. fowleri
Scientific classification Edit this classification
Domain: Eukaryota
Phylum: Percolozoa
Class: Heterolobosea
Page & Blanton 1985
Orders

Heterolobosea are a class of Percolozoa. The only member of this group that is infectious to humans is Naegleria fowleri, the causative agent of the often fatal disease amoebic meningitis.

Etymology

Characteristics

Representation of a heterolobosean
  1. Eruptive pseudopod
  2. Ectoplasm
  3. Endoplasm
  4. Phagosome with prey
  5. Mitochondrion, creates ATP (energy) for the cell (distoid cristae)
  6. Lysosome, holds enzymes
  7. Digestive vacuoles with prey
  8. Smooth endoplasmic reticulum, the transport network for molecules going to specific parts of the cell
  9. Golgi apparatus, modifies proteins and sends them out of the cell (reduced)
  10. Nucleolus
  11. Nucleus
  12. Rough endoplasmic reticulum
  13. Contractile vacuole, regulates the quantity of water inside a cell
  14. Uroid

Phylogeny

Taxonomy

  • Subphylum Tetramitia Cavalier-Smith 1993 em. Cavalier-Smith 2008
    • Class Heterolobosea Page & Blanton 1985
      • Order Acrasida Schröter 1886
      • Order Naegleriida Starobogatov 1980
        • Genus Marinamoeba De Jonckheere et al. 2009
        • Family Tulamoebidae Kirby et al. 2015
        • Family Naegleriidae Kudo 1954 [Schizopyrenidae Singh 1951 ex Singh 1952; Bistadiidae Doflein 1916]
          • Genus Naegleria Aléxéieff 1912 [Adelphamoeba Napolitano, Wall & Ganz 1970; Didascalus Singh 1952; Schizopyrenus Singh 1951 ex Singh 1952]
          • Genus Willaertia de Jonckheere et al. 1984
      • Order Tetramitida Doweld 2001
      • Order Creneida Cavalier-Smith 2021
        • Family Creneidae Pánek et al. 2014
      • Order Percolomonadida Cavalier-Smith 1993


References