taxonomy of protozoa
TRANSCRIPT
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Protozoa
Unicellular
EukaryoteBinary Fission Replication
Motile
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Taxonomy is the science of
naming, describing and classifying organisms
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Classification of Protozoa• Protozoa as a subkingdom• Contains 7 phyla
Phylum SarcomastigophoraPhylum LabyrinthomorphaPhylum ApicomplexaPhylum MicrosporaPhylum AscetosporaPhylum MyxozoaPhylum Ciliophora
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Phylum Sarcomastigophora• Protists that have a single type of
nucleus and possess flagella• Both Sexual and Asexual
reproduction • Subphylum Mastigophora and
SarcodinaMastigophoraSarcodina
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Subphylum Mastigophora
• Contains both phytoflagellates and zooflagellates
• Class: Zoomastigophora• Examples: Trypanosoma, Giardia,
Trichomonas, Leishmania, Trichonympha
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Trypanosoma brucei Giardia lamblia
Trichomonas vaginalis
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Subphylum Sarcodina• Contains amoeboid protist• Found in both fresh and salt water• Class Rhizopoda• Examples: Amoeba, Elphidium,
Coccodiscus, Naegleria, Entamoeba
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Amoeba
Entamoeba histolytica
Naegleria floweri
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Phylum Labyrinthomorpha • Consist of protists that
have spindled-shaped• Example: Labyrinthula
Labyrinthula
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Phylum Apicomplexa• Often called sporozoans• Spore-forming stage in their life cyle• Lack special locomotory organelles• Examples: Plasmodium, Taxoplasma,
Eimeria, Cryptosporidium
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Plasmodium falciparum Taxoplasma gondii
Cryptosporidium parvum
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Phylum Microspora
• Obligatory intracellular parasites lacking mitochondria
• Examples: Nosema
Nosema apis
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Phylum Ascetospora • Small phylum • Consists exclusively of
parasitic protist • Example: Haplosporidium
Haplosporidium costale
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Phylum Myxozoa• All parasitic• Found in freshwater and marine• Example: Myxosoma
Myxosoma cerebralis
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Phylum Ciliophora• Largest phyla• 8,000 species• Cilia as locomotory organelles• Example: Didinium, stentor,
Vorticella, Tetrahymena, Paramecium, Tokophrya, Entodinium, Nyctotherus, Balantidium, Ichthyophthirius
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Paramecium Stentor
Entodinium Nyctotherus ovalis
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Balantidium coli Ichthyophthirius multifiliis
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THE END! :D