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Mass spectrometry is a powerful analytical tool for identifying and characterizing structural modifications to the four canonical bases in RNA, information that is lost when using techniques such as PCR for RNA analysis. Here we described an updated method for sequence mapping of modified nucleosides in transfer RNA. This modification mapping approach utilizes knowledge of the modified nucleosides...
tRNA molecules contain numerous chemically altered nucleosides, which are formed by enzymatic modification of the primary transcripts during the complex tRNA maturation process. Some of the modifications are introduced by single reactions, while other require complex series of reactions carried out by several different enzymes. The location and distribution of various types of modifications vary greatly...
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