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Causal Agents. Several protozoan species in the genus Entamoeba colonize humans, but not all of them are associated with disease. Entamoeba histolytica is well recognized as a pathogenic ameba, associated with intestinal and extraintestinal infections.
Species. Several species are found in humans and animals. Entamoeba histolytica is the pathogen responsible for invasive ' amoebiasis ' (which includes amoebic dysentery and amoebic liver abscesses ). Others such as Entamoeba coli (not to be confused with Escherichia coli) and Entamoeba dispar [3] are harmless.
Dec 2, 2018 · The Entamoeba dispar species is morphologically similar to E. histolytica, but due to antigenic and genetic differences, it has been classified as nonpathogenic species that usually infects humans but does not cause disease [ 17 ].
- Micaella Kantor, Anarella Abrantes, Andrea Estevez, Alan Schiller, Jose Torrent, Jose Gascon, Robert...
- 2018
Entamoeba histolytica is the pathogenic species of Entamoeba that causes amebic dysentery and a wide range of other invasive diseases, including amebic liver abscess, respiratory tract infections, and cerebral and genitourinary amebiasis.
- R. Fotedar, D. Stark, N. Beebe, D. Marriott, J. T. Ellis, J. Harkness
- 10.1128/CMR.00004-07
- 2007
- Clin Microbiol Rev. 2007 Jul; 20(3): 511-532.
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Mar 12, 2021 · However, the role of this interaction in the resistance of the parasite to environmental factors present in the gut which are tightly associated with the generation of reactive oxygen species (ROS) and reactive nitrogen species (RNS) and on the pathogenesis of amebiasis has just emerged.
- Serge Ankri
- 10.3390/microorganisms9030581
- 2021
- Microorganisms. 2021 Mar; 9(3): 581.
E. histolytica, as its name suggests ( histo – lytic = tissue destroying), is pathogenic; infection can be asymptomatic, or it can lead to amoebic dysentery or amoebic liver abscess. [6] [7] Symptoms can include fulminating dysentery, bloody diarrhea, weight loss, fatigue, abdominal pain, and amoeboma.
Feb 13, 2017 · 10 Citations. Explore all metrics. Abstract. Purpose of Review. This is to highlight the relationship between the morphologically identical pathogenic and nonpathogenic amoebae commonly recovered from human feces. Microscopy does not differentiate pathogenic from nonpathogenic strains.
