The Southeast Asian journal of tropical medicine and public health · 1993
Axenic cultivation of Entamoeba histolytica from liver abscess and its zymodeme.
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Thammapalerd N, Tharavanij S, Wattanagoon Y
Аннотация
A local strain of Entamoeba histolytica, the HTH-56: MUTM from a human liver abscess was successfully axenized. The culture was initially established monoxenically in Diamond's TYI-S-33 medium in the presence of Crithidia luciliae and maintained at 34 +/- 0.5 degrees C. After 5 passages it was adapted to axenic cultivation by addition of 0.02% Bacto agar in Diamond's TYI-S-33 medium in place of Crithidia. Subcultures or replacement with fresh complete media were done twice or thrice for 7 days, after which the agar was omitted and a stable culture was obtained. Isoenzyme analysis showed that this strain of E. histolytica belonged to the zymodeme II pattern, which is one out of 10 pathogenic zymodemes of E. histolytica most commonly found among the virulent strains.