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原文連結
論文資訊
- 類型:已發表論文
- 日期:2020-12-29
摘要
We describe a synthetic riboswitch element that implements a regulatory principle which directly addresses an essential tRNA maturation step. Constructed using a rational in silico design approach, this riboswitch regulates RNase P-catalyzed tRNA 5'-processing by either sequestering or exposing the single-stranded 5'-leader region of the tRNA precursor in response to a ligand. A single base pair in the 5'-leader defines the regulatory potential of the riboswitch both in vitro and in vivo. Our data provide proof for prior postulates on the importance of the structure of the leader region for tRNA maturation. We demonstrate that 計算 predictions of ligand-dependent structural rearrangements can address individual maturation steps of stable non-coding RNAs, thus making them amenable as promisin
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