Mapping adenines, guanines, and pyrimidines in RNA
摘要：
The positions of adenines, guanines, and pyrimidines can be determined by partial nuclease digestion of a terminally labeles RNA molecule. In urea, at elevated temperatures, RNase T1 generates a pattern reflecting cleavage at guanines while RNase U2 cleaves only at adenine. A limited alkaline hydrolysis provides a continuum of fragments derived from breaks at every phosphodiester bond. The reaction products are electrophoretically fractionated by size in adjacent lanes of a polyacrylamide gel. An autoradiograph of the gel displays the sequence up to 100 nucleotides from the end of the molecule, although uracil cannot as yet be distinguished from cytosine. These techniques form the basis of an RNA sequencing method and are demonstrated on yeast 5.8S ribosomal RNA.
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关键词：
Saccharomyces cerevisiae Adenine Guanine Cytosine Uracil Ribonuclease T1 Ribonucleases Oligoribonucleotides RNA, Ribosomal Base Sequence
DOI：
10.1093/nar/4.8.2527
被引量：
年份：
1977
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