1887

Abstract

A variant of 15, strain GU1, was isolated on the basis of its resistance to phage CbK. Strain GU1 was also resistant to phages Cb12r and Cb13, developed filaments in liquid culture and showed altered sensitivity to the inhibitors methylene blue, sodium deoxycholate and ampicillin. Analysis by sodium dodecyl sulphate-polyacrylamide gel electrophoresis of the membranes of strains 15 and 1 showed major differences. Partial revertants of the 1 phenotype were isolated in which only the inhibitor sensitivities were changed. The origin of these partial revertants was investigated by the fluctuation analysis of Luria & Delbruck (1943) . The results suggest that these partial revertants, which were stably inherited, were non-random in origin.

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/content/journal/micro/10.1099/00221287-108-1-89
1978-09-01
2021-08-05
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