Related Experiment Videos
Development of a PCR test for the identification of Staphylococcus intermedius based on the 16S rDNA sequence
Yoshihisa Wakita1, Junichi Kawano, Akira Shimizu
1Department of Microbiology and Immunology, Faculty of Agriculture, Kobe University, 1-1 Rokkodai-cho, Nada-ku, Kobe-shi, Hyogo 657-8501, Japan.
Abstract:
The development of a PCR assay based on the 16S ribosomal RNA gene (rDNA) sequence was carried out for the identification of Staphylococcus intermedius. Sixty-six strains of S. intermedius, 70 of Staphylococcus aureus and 2 of Staphylococcus hyicus were examined for the assay. The 16S rDNA, of which the PCR target fragment makes up 901 bp corresponding to the sequence data of the gene, was detected in all strains of S. intermedius, but it was not detected in any strains of either S. aureus or S. hyicus. These results suggest that the PCR allows a simple and precise identification of S. intermedius.
Insights
A new PCR assay accurately identifies Staphylococcus intermedius using its 16S ribosomal RNA gene sequence. This method offers a simple and precise diagnostic tool for distinguishing S. intermedius from related Staphylococcus species.
Area of Science:
- Microbiology
- Molecular Biology
- Veterinary Diagnostics
Background:
- Staphylococcus intermedius is a significant pathogen in veterinary medicine.
- Accurate identification of S. intermedius is crucial for effective treatment and control.
- Existing identification methods can be time-consuming or lack specificity.
Purpose of the Study:
- To develop a Polymerase Chain Reaction (PCR) assay for the specific identification of Staphylococcus intermedius.
- To differentiate S. intermedius from closely related species like Staphylococcus aureus and Staphylococcus hyicus.
Main Methods:
- Development of a PCR assay targeting the 16S ribosomal RNA gene (rDNA) sequence.
- Testing the assay on 66 strains of S. intermedius, 70 strains of S. aureus, and 2 strains of S. hyicus.
- Analysis of a 901 bp PCR target fragment corresponding to the 16S rDNA sequence.
Main Results:
- The PCR assay successfully detected the target 16S rDNA fragment in all tested strains of S. intermedius.
- The target fragment was not detected in any of the tested strains of S. aureus or S. hyicus.
- The assay demonstrated high specificity for S. intermedius.
Conclusions:
- The developed PCR assay provides a simple, rapid, and precise method for identifying Staphylococcus intermedius.
- This molecular tool can aid in veterinary diagnostics and epidemiological studies.
- The assay's specificity ensures reliable differentiation from other common staphylococcal species.