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  • Title: [Mutation of bacteriophage T4 restoring phage supressor psul+ activity in bacterial strain Escherichia coli BN].
    Author: Buianovskaia EA, Gordeev VK.
    Journal: Genetika; 1977; 13(2):286-91. PubMed ID: 330314.
    Abstract:
    The mutant of bacteriophage T4psu1+XF2 carrying a mutational aleration in the central region of proline-serine tRNA precursor is isolated. The mutational alteration results in the recovery of amber suppressor activity of phage psu1+ serine tRNA in Escherichia coli BN in which the synthesis of this tRNA is normally blocked. Since the amber suppressor activity of mutant serine tRNA becomes sensitive to a restrictive action of strR mutations, its structure seems to be different from that of parental suppressor serine tRNA.
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