Transcriptional analysis of the Caulobacter 4.5 S RNA ffs gene and the physiological basis of an ffs mutant with a Ts phenotype.

Abstract excerpt

A temperature-sensitive (ts) mutation in the ffs gene, encoding 4.5 S RNA, gives rise to cell division and DNA replication defects in Caulobacter crescentus. The ffs gene is transcribed throughout the cell-cycle and is transcribed at similar rates in mutant (ffs36) and wild-type strains, but in the mutant the 4.5 S RNA is unstable leading to lower 4.5 S RNA levels. The ffs36 phenotype results from a single base...

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