Microsporidia
Microsporidia
Microsporidia (pronounced: my-kroh-spor-id-ee-uh) are a group of spore-forming unicellular parasites. They were once considered protozoans or protists, but are now known to be fungi, or a sister group to fungi.
Etymology
The term "Microsporidia" comes from the Greek words micros (meaning small) and spora (meaning seed). This refers to the small spores that these organisms produce.
Characteristics
Microsporidia are characterized by the production of resistant spores that are capable of infecting other hosts. These spores contain a unique structure called a polar tube that is used to infect host cells.
Life Cycle
The life cycle of Microsporidia typically involves a host organism, in which the spores germinate and the parasites reproduce. The spores are then released and can infect new hosts.
Diseases
Microsporidia are known to cause a variety of diseases in humans and animals, including microsporidiosis. In humans, these infections are often seen in individuals with compromised immune systems, such as those with HIV/AIDS.
Treatment
Treatment for microsporidiosis often involves the use of antifungal medications, such as albendazole and fumagillin.
Related Terms
- Sporoblast: The stage in the life cycle of Microsporidia where the spore begins to form.
- Nosema: A genus of Microsporidia that includes several species known to infect insects.
- Enterocytozoon: A genus of Microsporidia that includes species known to infect humans.
External links
- Medical encyclopedia article on Microsporidia
- Wikipedia's article - Microsporidia
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