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  • Title: Sequence-dependent hydrolysis of RNA using modified oligonucleotide splints and RNase H.
    Author: Inoue H, Hayase Y, Iwai S, Ohtsuka E.
    Journal: Nucleic Acids Symp Ser; 1987; (18):221-4. PubMed ID: 2447565.
    Abstract:
    To cleave RNA molecules using RNase H in a site-specific manner, a short deoxyoligonucleotide (3-5mer) joining with 2'-O-methyl oligonucleotide(s) was designed as a DNA splint to be used. Model experiments were carried out using ribooligonucleotide substrates (9 and 18 mer). It was found that the use of this type of splints (9 mer) causes a unique cleavage by RNase H. For example, when 3'm (GA)d(AGAA)m(GGU)5' was used as a hybridization strand, 32pUCUUUCUUCUUCCAGGAU was cleaved specifically between U11 and C12 to yield 32pUCUUUCUUCUU. This method will have a variety of applications for the study of RNA.
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