Exam 1 Example Species

Obligatory parasite

Taenia solium

Facultative parasite

Naegleria fowleri

Opportunistic parasite

Toxoplasma gondii

Autogenic parasite

freshwater isopods that infect fish

Allogenic

Dracunculus medinesis (guinea worm)- stages inside freshwater copepods and in humans

Archaea Parasitism

Nanoarchaeum equitans parasitizes Ignicoccus sp.

Intracellular bacterial parasites

Chlamydia trachomatis

Free-living and parasitic species

Spirochaetes

Stramenopile

Phytophthora infestans- causitive agent of blight, including Irish potato famine

Alveolata ciliate

Balantidium coli- causes GI symptoms

Alveolata dinoflagellate

Oodinium- causes gold dust/velvet disease in fish

Rhizaria

Phytomyxea- plant parasite- example is clubroot on cauliflower

Metamonada

Giardia lamblia

Discoba

Naegleria fowleri

Kinetoplastid

Trypanosoma

Amoebazoa

Entamoeba spp.- Entamoeba histolytica specifically causes amoebic dysentery

Apicomplexan

Plasmodium falciparum- malaria parasites

Embryophyta

Dodder (cuscuta)- hemiparasite

Nucletmycea

Puccinia Triticina- wheat leaf rust infects wheat + other related food grain plants

Direct life cycle example

Ancylostoma duodenale- nematode that infects human small intestine

Indirect life cycle example

Acanthocephalan (thorny-headed worm)- def host= vertebrate, indef host=arthropod

Rhodophyceae

Choreocolax polysiphoniae