Prenatal diagnosis of rubella virus infection by direct detection and semiquantitation of viral RNA in clinical samples by reverse transcription- PCR

Maria Grazia Revello, Fausto Baldanti, Antonella Sarasini, Maurizio Zavattoni, Maria Torsellini, Giuseppe Gerna

Research output: Contribution to journalArticlepeer-review

Abstract

A reverse transcription-nested PCR (RT-nPCR) method for prenatal diagnosis of rubella virus (RV) infection was developed. In the first step of RT-nPCR a synthetic RNA molecule (pRRV) differing from the RV target sequence by having a 21-nucleotide insertion was used as the internal control of amplification for the detection of PCR inhibitors. In addition, comparison of pRRV and RV-specific PCR signals allowed for the semiquantitation of RV input target sequences (range, 10 to ≤1,000 RV genomes). In parallel, a complete RT-nPCR assay was performed with the same samples in the absence of the internal control to confirm the results of the first step and to detect RV RNA-positive samples containing

Original languageEnglish
Pages (from-to)708-713
Number of pages6
JournalJournal of Clinical Microbiology
Volume35
Issue number3
Publication statusPublished - Mar 1997

ASJC Scopus subject areas

  • Microbiology
  • Microbiology (medical)

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