Global ETD Search
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Showing 1 to 2 of 2 for “"Tna operon"”.
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Environmental sensing and response of conserved RNA-processing machines to specific external chemical cues
… a coupled transcription-translation system, the tna operon. The operon is a well-characterized negative feedback loop regulating tryptophan breakdown in the presence of excess nutrients in the environment. While much effort has been made to characterize the system’s response to tryptophan, a …
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Tryptophanase Regulatory Mechanisms in Escherichia coli
… through the action of the enzyme tryptophanase (TnaA). The *tnaA* gene is part of the tryptophanase (*tna*) operon, which is regulated by catabolite repression and tryptophan-induced transcription antitermination. Recent studies have unveiled two distinct kinetic modes of indole signalling in *E. …