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Balantidium (= Neobalantidium) (= Balantioides) coli, a large ciliated protozoan, is the only ciliate known to be capable of infecting humans. It is often associated with swine, the primary reservoir host. Recent molecular analyses have suggested the need for taxonomic revision, and it is now sometimes referred to as Neobalantidium coli or ...
Aug 25, 2023 · B coli forms a large spherical cyst that may grow to 60 µm in diameter. The cyst contains a macronucleus, a micronucleus, and a granular cytoplasm. Cilia may be found in young cysts but...
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Jan 5, 2022 · The ciliate Balantioides coli (syn. Balantidium coli) is the largest human parasitic protozoa, and can infect a wide range of hosts, with swine being the main reservoir. The parasite has a direct life cycle, with a vegetative form, the trophozoite, inhabiting the host intestine, and a resting cyst that is released into the environment in faeces.
- 10.1016/j.fawpar.2021.e00143
- 2022/03
Balantidium coli as seen in a wet mount of a stool specimen. The organism is surrounded by cilia. Balantidium coli has two developmental stages, a trophozoite stage and a cyst stage. In trophozoites, the two nuclei are visible.
May 15, 2024 · Balantidium coli is an intestinal protozoan parasite that causes the infection called balantidiasis. While this type of infection is uncommon in the United States, humans and other mammals can become infected with Balantidium coli by ingesting infective cysts from food and water that is contaminated by feces.
This photomicrograph reveals some of the ultrastructural details exhibited by a parasitic, Balantidium coli cyst. High Resolution: Click here for hi-resolution image (6.67 MB)
May 14, 2021 · It is known that pigs are considered the main reservoirs of B. coli, and the proximity of humans to this animal has favored its transmission. In addition, wild pig can contaminate the environment with protozoan cysts, resistance structures, which can be ingested by humans when they ingest contaminated water and food, such as fruits and vegetables.
