Protozoa

Protozoa - Eukaryotic Microorganisms Structure Phylogeny...

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Eukaryotic Microorganisms Structure Phylogeny Protozoa Fungi Algae
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Relationship of Organelles to Prokaryotes Endosymbiotic theory Mitochondria & chloroplasts contain their own ribosomes (70S) Antibiotic specificity Molecular phylogeny “Genetic chimeras”
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Endosymbiosis
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Other Eukaryotic Cytoplasmic Structures Endoplasmic reticulum Rough Smooth Golgi apparatus Lysosomes Peroxisome Hydrogenosome Cytoskeleton (microfilaments, microtubules)
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The Eukaryotic Cell
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Cytoskeleton
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Phylogenetic Overview 18S rDNA
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Phylogenetic Overview Other Eukaryotic Genes & Proteins
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Protozoa Single kingdom (Haekel) “Plants” (chloroplasts) vs “Animals” (phagocytosis)? Some taxa have both types Some species can do both Ultrastructure (electron microscopy) since ’70s Molecular taxonomy since late ’80s
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Protozoa Protozoa : phagotrophic, aerobic protists Includes all eukaryotes other than the four kingdoms Animalia , Fungi , Plantae , and Stramenopiles ( Chromista) Higher eukaryotes are derived from protozoa
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Distinction Between Protozoa and Plantae Plantae (green plants, including green algae) Chloroplasts with double envelope Starch in chloroplast or cytoplasm Almost universal absence of phagotrophy Praesiniomonad Protozoa Mostly phagotrophic Rarely have chloroplasts; if so, not like plants
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Plantae
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Protozoa - Eukaryotic Microorganisms Structure Phylogeny...

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