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
Fukasawa, T., and Nikaido, H., Nature, 183, 1131 (1959).
Murase, W., Jap. J. Bact., No. 440, 975 (1932).
Rickenberg, H. V., Cohen, G. N., Buttin, G., and Monod, J., Ann. Inst. Pasteur, 91, 829 (1956).
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Harrap, F. E. G., Nature, 182, 876 (1958).
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Kalckar, H. M., and Kurahashi, K., manuscript submitted for publication.
Kalckar, H. M. (personal communication).
Fukasawa, T., and Nikaido, H. (unpublished observation).
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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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DOI: https://doi.org/10.1038/1841168a0
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