Application of the polymerase chain reaction to the ribonuclease protection assay

H. Yang, P. W. Melera

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


We have developed a modified RNase protection assay in which the antisense RNA probe is prepared from a PCR-amplified DNA template rather than from a linearized plasmid DNA template. In this assay, and RNA polymerase promoter sequence is attached to the 5' end of the antisense PCR primer. Using this modified antisense primer in conjunction with the paired sense primer, PCR amplification generates a linear DNA template that includes an RNA polymerase promoter sequence. Transcription in vitro initiated by the incorporated promoter in the presence of RNA polymerase and ribonucleotide triphosphates produces a radiolabeled run-off antisense RNA transcript, which can then be used as probe for RNase protection analysis. Probes generated by this method obviate the need to subclone DNA sequences into transcription vectors for synthesis of antisense transcripts. Due to the simplicity of its design and the lack of need for subcloning, this strategy offers greater flexibility than conventional methods for the production of single-stranded RNA probes, and thus facilitates the implementation of the ribonuclease protection assay.

Original languageEnglish (US)
Pages (from-to)922-927
Number of pages6
Issue number6
StatePublished - 1992
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Biotechnology


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