Obligate intracellular parasite
- Obligate intracellular parasite
Obligate intracellular parasites are parasitic microorganisms that cannot reproduce outside their host cell, forcing the host to assist in the parasite's reproduction.
Obligate intracellular parasites of humans include:
*Viruses
*Certain bacteria, including:
**Chlamydia
**Rickettsia
**Coxiella
**Certain species of Mycobacterium such as Mycobacterium leprae
*Certain protozoa, including:
**Plasmodia species
The mitochondria in human cells may also have originally been such parasites, but ended up forming a symbiotic relationship.
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