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. 1969 Mar;17(3):405–411. doi: 10.1128/am.17.3.405-411.1969

Potential Use of Surface-active Agents for Controlling Mycoplasma Contamination in Animal Cell Cultures

Roberta K Reynolds 1, Frank M Hetrick 1
PMCID: PMC377702  PMID: 4888862

Abstract

Seven nonionic detergents, which were determined to be relatively nontoxic to selected animal cell cultures, were tested for their lethal effect on the GDL strain of Mycoplasma hyorhinis. Of the seven detergents tested, five were found to cause complete lysis of the organism in vitro within 24 hr at 37 C. These detergents included Triton WR-1339 and Tweens 20, 40, 60, and 80. When different concentrations of the detergents were tested, Tween 80 was found to be the most effective and Triton WR-1339 the least effective in lysing the mycoplasmata. These same five detergents were used to treat a rat nephroma cell line which was chronically infected with the GDL strain. The mycoplasmata were eliminated from those cultures treated with Triton but they persisted in cultures exposed to the Tween compounds. The Triton-treated cells remained free from infection over a 7-month period, as determined both by cultural methods and fluorescent-antibody staining. The “cure” was effected by treating the cells for either 48 hr with maintenance media containing 1 mg of Triton per ml or for 96 hr with a concentration of 500 μg/ml. Triton was also effective in eliminating the GDL, strain from experimentally infected rat embryo cells after a 48-hr treatment with a concentration of 1 mg/ml. Four other species of Mycoplasma, which were completely lysed by Triton in vitro, were not eliminated from experimentally infected cells by a single treatment with Triton, although the severity of the infection was apparently reduced.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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