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Galactose-sensitive Mutants of Salmonella

Abstract

IN a previous communication1 peculiar mutants of Salmonella were described, which had been originally discovered and called ‘mutabile-type’ (M) by Murase2. These mutants, when grown in the presence of low concentrations of galactose, show a marked lysis in ordinary media, and are converted to ‘protoplasts’ in hypertonic media. Moreover, they are consistently non-fermenters of galactose.

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References

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FUKASAWA, T., NIKAIDO, H. Galactose-sensitive Mutants of Salmonella . Nature 184, 1168–1169 (1959). https://doi.org/10.1038/1841168a0

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