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Journal Article

Toxohormone Inhibitory Effect on the Growth of an Unstable Strain of Yeast

V. Callao, J. Olivares and E. Montoya
New Series, Vol. 142, No. 3600 (Dec. 27, 1963), pp. 1668-1669
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Page Count: 2

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Topics: Zinc, Yeasts, Calcium, Lactates, RNA, DNA, Rhizopus, Carbon, Fungi
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Toxohormone preparations obtained from yeast mutants with impaired respiration and from cancerous tissues inhibited the growth of an unstable strain of yeast in media containing lactate as the carbon source. Depending on the source of the different toxohormone preparations, amounts ranging from 5 to 9.5 mg/ml inhibited growth by 50 percent. This phenomenon could be utilized in quantitative evaluations of toxohormone activity.

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