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Entamoeba gingivalis is an opportunistic Amoebozoa [citation needed] (reported by some as an effect of disease; not a cause [hence status as a commensal]) [2] [3] [4] and is the first amoeba in humans to be described. It is found in the mouth [5] inside the gingival pocket biofilm near the base of the teeth, and in periodontal pockets. [1]
- E. gingivalis
- Entamoeba
- Causal Agents
- Life Cycle
- Clinical Presentation
Entamoeba gingivalisis a non-pathogenic ameba that inhabits the human oral cavity and occasionally other sites. Although it is often found in conjunction with periodontal disease, no causative association has been definitively identified. Other human-infecting species of Entamoeba are discussed under Amebiasis and Intestinal Amebae.
There is no known cyst stage for Entamoeba gingivalis; trophozoites live in the oral cavity of humans, residing in the gingival pockets near the base of the teeth. They are not considered pathogenic, and feed on bacteria and other debris. Trophozoites are transmitted person-to-person orally by kissing or fomites (such as eating utensils) . The trop...
E. gingivalis is common in individuals with poor oral hygiene or periodontal disease. However, several studies have not definitely demonstrated any causative correlation. It appears that diseased periodontal tissue and associated Actinomyces bacteria simply provide a favorable environment for the ameba to develop. Occasionally, E. gingivalistrophoz...
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Entamoeba gingivalis. Entamoeba gingivalis ( Fig. 4-5) is cosmopolitan in distribution, commonly found in the tartar and debris associated with the gingival tissues of the mouth. It was the first parasitic amoeba reported in humans (Gros, 1849). There is little indication that it is pathogenic, and, while it abounds in people with unhealthy ...
May 19, 2021 · Entamoeba gingivalis has been associated with periodontal diseases. Baseline data from the background population, which could help delimit the role of the parasite in health and disease, remain limited.To describe epidemiological features, genetic diversity, ...
- Christen Rune Stensvold, Michelle Nielsen, Vito Baraka, Rolf Lood, Kurt Fuursted, Henrik Vedel Niels...
- 10.1080/20002297.2021.1924598
- 2021
- J Oral Microbiol. 2021; 13(1): 1924598.
Apr 1, 2021 · The protozoan Entamoeba gingivalis colonizes the healthy oral mucosa with a prevalence of 15%. Colonization can be asymptomatic, and it is considered not pathogenic. However, it is able to invade lacerated oral mucosa, where it ingests fragments of live cells, suggesting pathogenous potential. Here, we characterized the transcriptomes of ...
- X. Bao, J. Weiner rd, O. Meckes, H. Dommisch, A.S. Schaefer
- 10.1177/00220345211004498
- 2021
- J Dent Res. 2021 Jul; 100(7): 771-776.
Oct 29, 2018 · The protozoan Entamoeba gingivalis resides in the oral cavity and is frequently observed in the periodontal pockets of humans and pets. This species of Entamoeba is closely related to the human pathogen Entamoeba histolytica, the agent of amoebiasis. Although E. gingivalis is highly enriched in people with periodontitis (a disease in which ...
May 19, 2021 · The genus Entamoeba comprises several species known to colonise the human gastrointestinal tract [1,2]. Most of these produce cysts; however, for Entamoeba gingivalis, a cyst stage remains to be co...
