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FEMS Microbiol Lett. 1993 Aug 1;111(2-3):159-64.

Regulation of ribosomal RNA transcription by growth rate of the hyperthermophilic Archaeon, Pyrococcus furiosus.

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Center of Marine Biotechnology, University of Maryland, Baltimore 21202.


We have studied the single rRNA gene cluster from the Archaeon, Pyrococcus furiosus. This isolate grows optimally at 100 degrees C and is thus a hyperthermophile. In P. furiosus, transcription of 16S rRNA is subject to regulation over a 7.5-fold range in response to a 20-fold increase in growth rate. The single cluster encoding the 16S and 23S rRNA genes of P. furiosus was cloned and the 1.9 kb region upstream of the 16S rRNA gene was sequenced.

[Indexed for MEDLINE]

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