We have rationally constructed a novel regulation-type of artificial riboswitch that ligand-dose dependently upregulates translation initiation mediated by a 3' cap-independent translation element (3' CITE) with no major hybridization switches in a plant expression system (wheat germ extract).

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We have developed a novel type of biofunction-assisted aptasensor that harnesses ligand-dependent 3' processing of a premature amber suppressor tRNA and the subsequent amber suppression of a reporter gene in a wheat germ extract.

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