A new mutation affecting ribosomal RNA synthesis in Escherichia coli.

Abstract

A temperature-sensitive mutant of Escherichia coli is described. At the nonpermissive temperature there is a 12-fold reduction in the rate of rRNA synthesis, while tRNA and mRNA syntheses are affected to only a slight extent. Both protein and DNA syntheses also continue at nearly the normal rate. The mutation appears to affect the synthesis of 16S and 23S… (More)

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