Nonpathogenic Entamoeba dispar quickly outgrows pathogenic Entamoeba histolytica in mixed xenic cultures

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...

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Veröffentlicht in:	Letters in applied microbiology 2009-04, Vol.48 (4), p.500-503
Hauptverfasser:	Pysova, I, Tumova, P, Tolarova, V, Nohynkova, E
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Biological and medical sciences Coculture Techniques Culture Media diagnosis DNA, Protozoan - analysis DNA, Protozoan - isolation & purification Entamoeba Entamoeba - classification Entamoeba - genetics Entamoeba - growth & development Entamoeba dispar Entamoeba histolytica Entamoeba histolytica - classification Entamoeba histolytica - genetics Entamoeba histolytica - growth & development Entamoeba histolytica - pathogenicity Entamoebiasis - diagnosis Entamoebiasis - parasitology Feces - parasitology Fundamental and applied biological sciences. Psychology Humans in vitro culture Microbiology PCR Polymerase Chain Reaction - methods Protozoa Species Specificity
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Zusammenfassung:	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.
ISSN:	0266-8254 1472-765X
DOI:	10.1111/j.1472-765X.2009.02555.x