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Polymerase chain reaction for human picornaviruses
T Hyypiä1, P Auvinen, M Maaronen
1Department of Virology, University of Turku, Finland.
The Journal of General Virology
|December 1, 1989
Summary
This study introduces a rapid method for detecting and typing human picornaviruses using nucleic acid amplification and hybridization. The assay effectively identifies enteroviruses and rhinoviruses in clinical samples.
Area of Science:
- Virology
- Molecular Biology
- Diagnostic Microbiology
Background:
- Human picornaviruses are a significant group of viruses causing various illnesses.
- Rapid and accurate detection and typing are crucial for clinical diagnosis and epidemiological studies.
- Existing methods may require lengthy procedures or lack specificity.
Purpose of the Study:
- To develop a rapid and specific assay for the detection and typing of human picornaviruses.
- To differentiate between enteroviruses and rhinoviruses using molecular techniques.
- To evaluate the assay's performance on clinical isolates.
Main Methods:
- Utilized enzymic amplification of specific nucleic acid sequences (Polymerase Chain Reaction - PCR).
- Employed hybridization with oligonucleotide probes targeting conserved regions of the picornavirus genome.
- Synthesized complementary DNA (cDNA) as a template for PCR.
Main Results:
- The assay successfully identified all analyzed picornavirus reference strains.
- Discrimination between enteroviruses and rhinoviruses was achieved through hybridization.
- The method detected 28 out of 29 clinical picornavirus isolates, with specific hybridization signals for 26 strains.
Conclusions:
- The developed assay provides a rapid and effective tool for picornavirus detection and typing.
- This molecular approach offers high specificity and sensitivity for clinical diagnostics.
- The method facilitates differentiation between key picornavirus genera, aiding in patient management.