期刊
METHODS
卷 161, 期 -, 页码 10-15出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ymeth.2019.04.004
关键词
SELEX; Aptamer; Riboswitch; Capture-SELEX; Synthetic biology
Despite their wide applicability, the selection of small molecule-binding RNA aptamers with both high affinity binding and specificity is still challenging. Aptamers that excel at both binding and structure switching are particularly rare and difficult to find. Here, we present the protocol of a Capture-SELEX that specifically allows the in vitro selection of small-molecule binding aptamers, which are essential building blocks for the design process of synthetic riboswitches and biosensors. Moreover, we provide a comparative overview of our proposed methodology versus alternative in vitro selection protocols with a special focus on the design of the pool. Finally, we have included detailed notes to point out useful tips and pitfalls for future application.
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