Intrinsic Ribosome Destabilization Underlies Translation and Provides an Organism with a Strategy of Environmental Sensing.

Abstract excerpt

Nascent polypeptides can modulate the polypeptide elongation speed on the ribosome. Here, we show that nascent chains can even destabilize the translating Escherichia coli ribosome from within. This phenomenon, termed intrinsic ribosome destabilization (IRD), occurs in response to a special amino acid sequence of the nascent chain, without involving the release or the recycling factors. Typically, a consecutive...

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