MICROPARA LAB

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70 Terms

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Saccharomyces

Budding (conidia-like), used in baking and brewing, non-pathogenic

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Nitrosomonas

Oxidizes ammonia into nitrites.

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Nitrobacter

Oxidizes nitrites into nitrates.

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Rhizobium

Fixes nitrogen in symbiosis with legumes.

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Thiobacillus ferooxidans

Oxidizes sulfur and produces sulfuric acid.

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Streptococcus pneumoniae

Noted as a pathogen associated with pneumonia.

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Klebsiella pneumoniae

Identified in the file under pathogenic bacteria causing pneumonia.

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Escherichia coli (E. coli)

Commonly found in the human gut as part of the normal flora.

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Neisseria gonorrhoeae

Causes gonorrhea

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Treponema pallidum

Causes syphilis

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Escherichia coli

Facultative anaerobe, motile, normal gut flora, causes UTIs and gastroenteritis

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Staphylococcus aureus

Gram-positive cocci in clusters, catalase and coagulase positive, causes skin infections, pneumonia, food poisoning, TSS; facultative anaerobe

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Streptococcus pyogenes

Gram-positive cocci in chains, β-hemolytic, Group A Strep, causes pharyngitis, scarlet fever, rheumatic fever; facultative anaerobe

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Vibrio cholerae

Comma-shaped, single polar flagellum, causes cholera

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Bacillus subtilis

Gram-positive rod, spore-forming, aerobic, rarely pathogenic, model organism, produces endospores

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Pseudomonas aeruginosa

Aerobic, motile, produces pigments (pyocyanin), causes opportunistic infections

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Haemophilus Influenzae

Coccobacillus, requires X and V factors for growth, causes meningitis, otitis media, pneumonia

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Trichophyton

Conidiospores, dermatophyte, causes ringworm/tinea infections

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Candida albicans

Conidiospores (budding yeast), dimorphic, part of normal flora but opportunistic

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Aspergillus

Conidiospores, filamentous, causes aspergillosis, produces aflatoxins

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Penicillium

Conidiospores, antibiotic producer, bluish-green colonies

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Rhizopus

Sporangiospores, bread mold, fast-growing, causes mucormycosis

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Plasmodium ringform (trophozoite)

Human blood & liver, sporozoite, bite of Anopheles mosquito, causes malaria: chills, fever, anemia; vector-borne

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Entamoeba histolytica

Intestines, cyst, fecal-oral (contaminated food/water), causes amoebiasis: diarrhea, dysentery, liver abscess; invasive amoeba

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Giardia lamblia

Small intestine, cyst, fecal-oral, causes giardiasis: greasy stool, bloating, nausea; flagellated

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Balantidium coli

Colon, cyst, fecal-oral (pigs are reservoir), causes balantidiasis: diarrhea, abdominal pain, weight loss, colitis; only ciliated protozoan infecting humans

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Trypanosoma

Bloodstream Trypomastigote, bite of tsetse fly (African) or reduviid bug (American), causes sleeping sickness or Chagas disease: fever, CNS effects, headache, dizziness

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Paramecium

Freshwater (non-pathogenic), model ciliate

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Euglena

Freshwater, non-pathogenic, has chloroplasts (photosynthetic)

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Ascaris lumbricoides

Giant roundworm, route of infection: ingestion of embryonated eggs from contaminated soil, food, or water

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Infective Stage

Embryonated egg

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Disease: Ascariasis

Stomach pain and occasional diarrhea

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Vector

None (soil-transmitted)

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Enterobius vermicularis

Pinworm, seatworm

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Route of Infection

Ingestion of embryonated eggs, often through hand-to-mouth contact after scratching the perianal area or contact with contaminated surfaces.

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Disease: Enterobiasis, oxyuriasis

Perianal itching (pruritus ani), restlessness, insomnia, and abdominal discomfort

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Necator americanus

New World Hookworm

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Ancystoloma duodenale

Old World Hookworm

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Disease: Necatoriasis

Hookworm infection - epigastric pain and tenderness, nausea, exertional dyspnea, pain in lower extremities and in joints, sternal pain, headache, fatigue, and impotence

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Strongyloides stercoralis

Threadworm

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Disease: Strongyloidiasis

Skin rashes, gastrointestinal issues like abdominal pain and diarrhea, and in some cases, pulmonary symptoms like cough

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Trichuris trichiuria

Whipworm

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Disease: Trichuriasis

Whipworm infection - abdominal pain, anorexia, and diarrhea; weight loss, anemia, and rectal prolapse

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Capillaria philippinensis

Pudoc worm (named after Pudoc, Philippines where it was discovered)

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Disease: Intestinal capillariasis

Chronic diarrhea, abdominal pain, borborygmi (rumbling sounds in the abdomen), weight loss, anorexia, vomiting, and bipedal edema (swelling in the feet)

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Trichiniella spiralis

Pork worm

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Disease: Trichinellosis

Diarrhea (loose stool/poop), nausea (feeling of sickness in the stomach), fatigue, and stomach pain

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Wuchereria bancrofti

Bancroft's filarial worm

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Disease: Bancroftian filariasis

Lymphatic filariasis, elephantiasis

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Brugia malayi

Malayan filarial worm

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Disease: Malayan filariasis

Lymphatic filariasis, elephantiasis - swelling in the legs, but it can also happen to the arms, breasts and genitalia, skin can become hard and thick like an elephant's

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Loa loa

African eye worm

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Disease

Loiasis - itchy, non-painful swellings (Calabar swellings), eye worms, and generalized itching

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Diphyllobothrium latum

Fish tapeworm

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Taenia saginata

Beef tapeworm

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Taenia solium

Pork tapeworm

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Echinococcus granulosus

Hydatid worm, dog tapeworm (adult worm in dogs)

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Hymenolepis nana

Dwarf tapeworm

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Hymenolepis diminuta

Rat tapeworm

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Fasciolopsis buski

Giant intestinal fluke

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Fasciola hepatica

Sheep liver fluke, common liver fluke

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Reservoir host

Sheep and cattle

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Fasciola gigantica

Giant liver fluke, tropical liver fluke

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Paragonimus westermani

Oriental lung fluke

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Echinostoma revolutum

Echinostome, spiny-collared fluke

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Heterophyes heterophyes

Heterophyid fluke

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Clonorchis sinensis

Chinese liver fluke, Oriental liver fluke

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Schistosoma mansoni

Manson's blood fluke

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Schistosoma haematobium

Bladder fluke, urinary blood fluke

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Schistosoma japonicum

Oriental blood fluke, Japanese blood fluke