"Apicomplexa" Essays and Research Papers

Apicomplexa is a phylum made up almost entirely of parasites. Apicomplexans are distinguished by their unique method of entering host cells. Apicomplexans are a monophyletic group composed entirely of parasitic species. This species is the best known and probably the largest of parasitic protists. There are about 4,000 known species, but this is certainly just an understatement of the actual number. Of the described species seven genera infect humans; these include the following: Plasmodium, Babesia...

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What type of protist causes Giardia?  [   ]  b) Describe the sickness caused by this small parasite. [   ]  c) Would you expect to find flagellates in different environments than other  protists because of their flagella?  Explain. [   ]     Phylum Apicomplexa:  Sporozoans  1)   Characteristics of Apicomplexa:  a)  Parasites of a wide variety of organisms including worms, fish, birds and  humans!  Define parasite:  [   ]  b)  Many have complex life cycles that involve more than one host.   c)  They reproduce by sporozoites...

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in pregnant women is an important cause of stillbirths, infant mortality and low birth weight, particularly in P. falciparum infection, but also with P. Vivax. D. What causes Malaria? Malaria parasites belong to the genus Plasmodium (phylum Apicomplexa). In humans, malaria is caused by P. falciparum, P. malariae, P. ovale, P. vivax and P. knowlesi. Among those infected, P. falciparum is the most common species identified (~75%) followed by P. vivax (~20%). Although P. falciparum traditionally...

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cycle The life cycle of the malarial parasite www.netdoctor.com Malaria – A publication of the National Institute of Allergy and infectious Diseases U.S. Department of Health and Human Services Medical Parasitology for degree students – PHYLUM APICOMPLEXA Dawit Assafa, Ephrem Kibru, S. Nagesh, Solomon Gebreselassie, Fetene Deribe, Jemal Ali Textbook of Human Parasitology – medically relevant protozoa Lu Gang et al ...

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exhibit neurological symptoms, including abnormal posturing, nystagmus, conjugate gaze palsy (failure of the eyes to turn together in the same direction), opisthotonus, seizures, or coma. Malaria parasites belong to the genus Plasmodium (phylum Apicomplexa). In humans, malaria is caused by P. falciparum, P. malariae, P. ovale, P. vivax and P. knowlesi. Among those infected, P. falciparum is the most common species identified (~75%) followed by P. vivax (~20%). Although P. falciparum traditionally...

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may occur. Cause Malaria in pregnant women is an important cause of stillbirths, infant mortality and low birth weight, particularly in P. falciparum infection, but also with P. vivax Malaria parasites belong to the genus Plasmodium (phylum Apicomplexa). In humans, malaria is caused by P. falciparum, P. malariae, P. ovale, P. vivax and P. knowlesi.Among those infected, P. falciparum is the most common species identified (~75%) followed by P. vivax (~20%). Although P. falciparum traditionally accounts...

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| Excluded groups * Fungi * Plantae * Animalia Many others; classification varies | * Chromalveolata * Heterokontophyta * Haptophyta * Cryptophyta (cryptomonads) * Alveolata * Dinoflagellata * Apicomplexa * Ciliophora (ciliates) * Excavata * Euglenozoa * Percolozoa * Metamonada * Rhizaria * Radiolaria * Foraminifera * Cercozoa * Archaeplastida (in part) * Rhodophyta (red algae) * Glaucophyta (basal...

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species is a living organism which follows the biological species concept of parasitism, commensalism, and mutualism. The biological species concept: Parasitism: one benefits from the other; taking over a host, (+/- reaction) (Ex: plasmodium apicomplexa taking over a human host causing malaria, tapeworm) Commensalism: one benefits and one doesn’t care, (+/0 reaction) (Ex: barnacles and whale  the barnacles stuck themselves on the whales front side to feed off small crustaceans that falls off...

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= genetic reserves  Examples: paramecium, stentor  Link. link2 Campbell, 9th edition  Flagella, thus, zooflagellates  Example: Trypanosoma spp. (sleeping sickness)  Example: Trichonympha campanulata (Termite symbionts)  Apicomplexa  Sporozoans “spores” for reproduction  Apical complexes for attaching to hosts  Example: Plasmodium spp. (Malaria) Campbell, 9th edition  Subkingdom Phycobionta  Photosynthetic  70% of total food production (world)  Unicellular:...

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groups based upon mode of locomotion and type of reproduction. 1. Mastigophora—the flagellates that are motile by flagella 2. Sarcodina—the amoebas that ate motile by pseudopods 3. Ciliophora—the ciliates that are motile by cilia 4. Apicomplexa –the motility is not well developed and it produces unique reproductive structures. * Importance: Ecologically important in food webs and decomposing organic matter. Medical Significance: hundreds of millions of people are afflicted with one...

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