申请人:RIKEN
公开号:US20150119254A1
公开(公告)日:2015-04-30
An object of the present invention is to develop and provide a method for efficiently producing a nucleic acid aptamer, particularly, a DNA aptamer, having higher specificity and binding activity against a target substance than those of nucleic acid aptamers obtained by conventional methods. The present invention provides a transcribable or replicable nucleic acid aptamer comprising a natural nucleotide and a non-natural nucleotide having an artificial base-pairable artificial base. The present invention also provides a method for sequencing a non-natural nucleotide-containing single-stranded nucleic acid molecule selected from a single-stranded nucleic acid library.
本发明的目的是开发并提供一种有效生产核酸适配体的方法,特别是DNA适配体,其对目标物质具有比传统方法获得的核酸适配体更高的特异性和结合活性。本发明提供了一种可转录或可复制的核酸适配体,其包含一种自然核苷酸和一种非自然核苷酸,后者具有人工可配对人造碱基。本发明还提供了一种从单链核酸库中选择的含有非自然核苷酸的单链核酸分子的测序方法。