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キーワード:
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要旨:
Although dideoxy terminated sequencing of RNA, using reverse transcriptase and oligodeoxynucleotide primers, is now a well established method, the accuracy is limited by sequence ambiguities due to unspecific chain termination events. A protocol is described which circumvents these ambiguities by using fluorescence labels tagged to dideoxynucleotides. Only chain terminations caused by dideoxynucleotides were detected while premature terminated cDNA's remain undetectable. In addition, the remaining multiple signals at nucleotide positions can be assigned to sequence heterogeneities within the RNA sequence to be determined.
