Tree Hair 18-IV
EUKARYOTA
Amoebozoa
 
 
Tree Hair (Stemonitis sp.) on a cut pine branch.



Chapter Outline
  1. Description of Eukaryotes
  2. Classification of Eukaryotes
  3. Excavates
  4. Amoebozoa
  5. Rhizaria
  6. Alveolata
  7. Stramenopiles
  8. Algae
  9. Opisthokonta

Tree



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ARCHAMOEBAE 

"Amitochondriate amoebas with intranuclear spindle." [Patterson] Organisms in this group are parasitic, form cysts and lack mitochondria. It is suspected that they had mitochondria at one time but lost them through evolution. Mitosis in this group is done with a spindle contained entirely within the nucleus.

  • Entamoeba histolytica - causes amebiasis
  • Endolimax (possibly)
  • Iodamoeba (possibly)
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CENTRAMOEBIDA 

Part of the Ramicristates in some classification schemes, "Acanthamoeba are microscopic ameba commonly found in the environment. Several species of Acanthamoeba have been found to infect humans, A. culbertsoni, A. polyphaga, A. castellanii, A. healyi, (A. astronyxis), A. hatchetti, A. rhysodes, and possibly others. Acanthamoeba spp. are found worldwide. Most commonly, Acanthamoeba are found in the soil and dust, in fresh water sources such as lakes, rivers, and hot springs and in hot tubs. Acanthamoeba may also be found in brackish water and in sea water. Amebas can also be found in Heating, Venting, and Air Conditioner units (HVAC), humidifiers, dialysis units, and contact lens paraphernalia." [CDC] They are mitochondriate eukaryotes with branched tubular mitochondrial cristae. [Patterson]

  • Acanthamoeba polyphaga
  • Acanthamoeba polyphaga
  • Acanthamoeba polyphaga
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TUBULINEA (LOBOSEA) 

Part of the Ramicristates in some classification schemes, this group contains many amoebae, including the genus Amoeba, that have lobose pseudopodia. They are mitochondriate eukaryotes with branched tubular mitochondrial cristae. [Patterson]

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MYCETOZOA (Slime Molds) 

Part of the Ramicristates in some classification schemes, these are the slime molds. They are mitochondriate eukaryotes with branched tubular mitochondrial cristae. [Patterson]

  • Tree Hair (Stemonitis sp.) -NOAH
  • Pretzel Slime Mould (Hemitrichia serpula) -EOL
  • Egg-Shell Slime Mold (Leocarpus fragilis) -EOL
  • Scrambled Egg Slime Mold (Fuligo septica) -EOL
  • Arcyria incarnata -EOL
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