The effects of paraquat and arsenic acid on the growth of distiller's yeast

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Title: The effects of paraquat and arsenic acid on the growth of distiller's yeast
Author: Sullivan, Hanna Lowry
Abstract: The effects of the defoliants arsenic trioxide and paraquat on the growth of Saccharomyces cerevisiae were studied . It was found that 10 and 10 M concentrations of the defoliants did not significantly inhibit the growth of the distiller's yeast , while inhibition -3 -4 -3 was observed at 10 and 10 M concentrations . At 10 M concentrations of both defoliants , the growth of the yeast was inhibited completely in both tryptic soy broth and in a semi -synthetic medium containing glucose as the carbon source . Growth curves revealed an immediate toxic effect on yeasts grown in paraquat -treated media , while the number of viable cells remained constant for a short period of time in media containing arsenic trioxide .
URI: http : / /hdl .handle .net /2346 /12761
Date: 1982-08

Citation

Sullivan, Hanna Lowry The effects of paraquat and arsenic acid on the growth of distiller's yeast. Master's thesis, Texas Tech University. Available electronically from http : / /hdl .handle .net /2346 /12761 .

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