Aureomycin in the Cultivation of Endamoeba histolytica

Abstract

A series of 3 expts. was run to establish a single strain of E. histolytica in medium containing aureomycin in place of other antibiotics. Results show that there is an opt. range of aureomycin concn. for the growth of E. histolytica. Too high a concn. or a dilution of less than 1:100,000 appears to inhibit amebic growth, either directly or indirectly, although bacterial growth may be checked or inhibited. Too great a dilution, 1:2,000,000 or more, is insufficient to control bacterial growth. Within a certain range, possibly 1:300,000 up to 1:1,000,000 the amebae grew well but there was evidence that bacterial growth was not inhibited.