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Unicellular Eukaryotes

Unicellular Eukaryotes. Form and Function. 1. Locomotion & Muscle System 2. Skeletal System 3. Digestive system 4. Excretory System 5. Reproductive System 6. Circulatory System 7. Respiratory System. Unicellular Eukaryotic Taxa. The Clade Fornicata. Ph. Parabasala.

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Unicellular Eukaryotes

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  1. Unicellular Eukaryotes

  2. Form and Function 1. Locomotion & Muscle System 2. Skeletal System 3. Digestive system 4. Excretory System 5. Reproductive System 6. Circulatory System 7. Respiratory System

  3. Unicellular Eukaryotic Taxa The Clade Fornicata Ph. Parabasala Ph. Retortamonada& Diplomonada Ph. Euglenozoa The Clade Alveolata The Clade Rhizaria Ph. Ciliophora Ph. Cercozoa Ph. Dinoflagellata Ph. Foraminifera Ph. Apicomplexa Ph. “Radiolaria” The Clade Alveolata Ph. Ciliophora Ameboid Protozoans ( 5 phyla) Ph. Dinoflagellata Ph. Apicomplexa

  4. Form and Function in the Unicellular Eukaryotes 1. Nucleus 2. Mitochondria 3. Golgi Apparatus 4. Plastids 5. Extrusomes 6. Locomotory Organelles 7. Vacuoles

  5. trophozoite Intestinal mucosa cyst Dog ingests cysts Clade Fornicata Ph. Diplomonada - Giardia A. Flagellum B. Adhesive Disc

  6. Amoeba A. nucleus B. lobopodium Arcella A. test B. lobopodium Ph. Amoebozoa

  7. Entamoeba histolytica amoebic dysentery

  8. Locomotion Pseudopodium (pl. pseudopodia)

  9. Clade Rhizaria Distinguishing characters Type of pseudopod Type of test Ph. Foraminifera Ph. Radiolaria Ph. Cercozoa

  10. Foraminifera Radiolaria Cercozoa

  11. Phylum Ciliophora macronuclei and micronuclei solitary or colonial motile or sessile presence of cilia presence of trichocysts Paramecium A. Oral Groove (Gullet) B. Macronucleus C. Contractile vacuole

  12. Basic Anatomy -Ph. Ciliophora Contractile Vacuole Pellicle Macronucleus FoodVacuole Cilia Micronucleus Gullet Trichocysts Cytoproct

  13. Contractile Vacuoles

  14. Locomotion Kinetosome (basal body) “9+2” arrangement of microtubules Cilium (pl. Cilia) Planar Beat of Cilia Phase 1: Effective Stroke (steps 1-5) Phase 2: Recovery Stroke (steps 6-12)

  15. Reproduction Binary fission Conjugation

  16. Nutrition and Digestion Phagotrophy

  17. Ph. Ciliophora: Paramecium pellicle and oral groove

  18. A B B A. Cilia B. Kineties

  19. trichocysts

  20. Tsetse Fly gut Salivary gland bloodstream Mammal Ph. Euglenozoa Trypanosoma • Nucleus • Kinetoplast • Undulating membrane

  21. Locomotion “9+2” arrangement microtubules Flagellum (Flagella pl.) Helical beat of flagella Spiral Undulating Kinetosome (basal body)

  22. Phylum Dinoflagellata Key Characteristics 2 Flagella Test of cellulose plates (some spp naked) Bioluminescence “Red Tides”

  23. Cellulose Plates

  24. Bioluminescence Red Tides Pfiesteria piscicida

  25. Phylum Apicomplexa (Sporozoans) Key Characteristics Motile via a variety of methods Parasitic inside specific host cells Apical complex Motile infective stage (sporozoite)

  26. Plasmodium (malaria)

  27. Plasmodium (malaria) Mosquito: Sexual cycle Host: Asexual cycle mosquito sporozoites sporozoites  livermerozoites merozoites  RBC gametocytes gametocytes  mosquito Merozoite inside RBC Merozoites bursting RBC

  28. Toxoplasma

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