Described herein are RNA arrays, and compositions and methods for generating RNA arrays, particularly high density RNA arrays. The disclosed methods for generating RNA arrays utilize template DNA arrays and RNA polymerase to generate RNA arrays. In some embodiments, the disclosed methods use an RNA polymerase and modified ribonucleosides to generate modified RNA arrays for various applications, e.g. RNA arrays having higher nuclease resistance, more conformationally stable RNA arrays, and higher binding affinity RNA aptamer arrays. In some embodiments, the disclosed methods are used to generate RNA bead arrays.
本文描述的是 RNA 阵列,以及生成 RNA 阵列(尤其是高密度 RNA 阵列)的组合物和方法。所公开的 RNA 阵列生成方法利用模板 DNA 阵列和 RNA 聚合酶生成 RNA 阵列。在一些实施方案中,所公开的方法使用 RNA 聚合酶和修饰的
核糖核苷来生成用于各种应用的修饰 RNA 阵列,例如具有更高抗
核酸酶性的 RNA 阵列、构象更稳定的 RNA 阵列和结合亲和力更高的 RNA 合酶阵列。在某些实施方案中,所公开的方法可用于生成 RNA 珠阵列。