Origins of microsporidia
PJ Keeling, GI McFadden
Trends in Microbiology | ELSEVIER SCI LTD | Published : 1998
Microsporidia are obligate intracellular parasites that infect a wide range of eukaryotes, causing severe diseases in immunocompromised humans and losses to apiaries, fisheries and silk farms. They have often been considered to be primitive eukaryotes; however, more recent evidence suggests they are more closely related to fungi.