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Nonpathogenic Entamoeba dispar quickly outgrows pathogenic Entamoeba histolytica in mixed xenic cultures |
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| Authors: | I Pysova P Tumova V Tolarova E Nohynkova |
| Institution: | Department of Tropical Medicine, Teaching Hospital Bulovka, Prague, Czech Republic; First Faculty of Medicine, Charles University in Prague, Czech Republic; Department of Parasitology, Institute of Health in Prague, Czech Republic |
| Abstract: | Entamoeba histolytica and Entamoeba dispar are two microscopically indistinguishable amoebae living in the human colon. The former is a pathogen, whereas the latter is a nonpathogenic commensal. Using a model system of in vitro cocultures and PCR detection of the Entamoeba species, we found that the nonpathogenic species can rapidly outgrow the pathogen in xenic cultures. |
| Keywords: | diagnosis entamoeba in vitro culture PCR protozoa |