Performance Evaluation of NovaplexTM Multiplex Real-Time PCR Assay for Detection of Streptococcus agalactiae Serotypes
Abstract
:1. Introduction
2. Materials and Methods
2.1. Sample Collection
2.2. Serotyping bt Latex Agglutination (LA)
2.3. Extraction of Nucleic Acid and Multiplex Polymerase Chain Reaction (mPCR)
2.4. Multiplex Real-Time PCR
2.5. Sensitivity and Specificity of NovaPCR
2.6. Interpretation and Statistical Analysis
3. Results
3.1. Serotype Distribution by LA Test
3.2. Serotype Distribution by Conventional mPCR
3.3. Serotype Identification by NovaPCR
3.4. Sensitivity and Specificity of NovaPCR
4. Discussion
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Primer | Sense (5′-3′) |
---|---|
cpsI-Ia-6-7-F | GAATTGATAACTTTTGTGGATTGCGATGA |
cpsI-6-R | CAATTCTGTCGGACTATCCTGATG |
cpsI-7-R | TGTCGCTTCCACACTGAGTGTTGA |
cpsL-F | CAATCCTAAGTATTTTCGGTTCATT |
cpsL-R | TAGGAACATGTTCATTAACATAGC |
cpsG-F | ACATGAACAGCAGTTCAACGGT |
cpsG-R | ATGCTCTCCAAACTGTTCTTGT |
cpsG-2-3-6-R | TCCATCTACATCTTCAATCCAAGC |
cpsN-5-F | ATGCAACCAAGTGATTATCATGTA |
cpsN-5-R | CTCTTCACTCTTTAGTGTAGGTAT |
cpsJ-8-F | TATTTGGGAGGTAATCAAGAGACA |
cpsJ-8-R | GTTTGGAGCATTCAAGATAACTCT |
cpsJ-2-4-F | CATTTATTGATTCAGACGATTACATTGA |
cpsJ-2-R | CCTCTTTCTCTAAAATATTCCAACC |
cpsJ-4-R | CCTCAGGATATTTACGAATTCTGTA |
cpsI-7-9-F | CTGTAATTGGAGGAATGTGGATCG |
cpsI-9-R | AATCATCTTCATAATTTATCTCCCATT |
cpsJ-Ib-F | GCAATTCTTAACAGAATATTCAGTTG |
cpsJ-Ib-R | GCGTTTCTTTATCACATACTCTTG |
Serotype/Specimen | Blood | Urine | Vaginal Discharge | Pus | Others | Total |
---|---|---|---|---|---|---|
Ia | 2 | 4 | 4 | 4 | 6 | 20 |
Ib | 1 | 7 | 1 | 4 | 7 | 20 |
II | 2 | 4 | 2 | 0 | 2 | 10 |
III | 7 | 7 | 3 | 0 | 3 | 20 |
IV | 0 | 0 | 0 | 0 | 0 | 0 |
V | 4 | 7 | 2 | 2 | 6 | 21 |
VI | 1 | 9 | 2 | 5 | 3 | 20 |
VII | 0 | 0 | 0 | 0 | 0 | 0 |
VIII | 8 | 6 | 3 | 3 | 0 | 20 |
IX | 0 | 1 | 0 | 0 | 0 | 1 |
Serotype | LA Test | mPCR | NovaPCR | Kappa Value | Agreement | |
---|---|---|---|---|---|---|
Observed Kappa (95% CI) | Positive (%) (95% CI) | Negative (%) (95% CI) | ||||
Ia | 20 | 20 | 18 | 0.983 | 94 | 99 |
Ib | 20 | 20 | 20 | 1 | 100 | 100 |
II | 10 | 10 | 10 | 1 | 100 | 100 |
III | 20 | 20 | 20 | 1 | 100 | 100 |
IV | 0 | 0 | 1 | NA | NA | NA |
V | 21 | 21 | 22 | 1 | 100 | 100 |
VI | 20 | 20 | 20 | 1 | 100 | 100 |
VII | 0 | 0 | 0 | NA | NA | NA |
VIII | 20 | 20 | 20 | 1 | 100 | 100 |
IX | 1 | 1 | 1 | 1 | 100 | 100 |
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Handigund, M.; Lee, J. Performance Evaluation of NovaplexTM Multiplex Real-Time PCR Assay for Detection of Streptococcus agalactiae Serotypes. Microorganisms 2024, 12, 2043. https://doi.org/10.3390/microorganisms12102043
Handigund M, Lee J. Performance Evaluation of NovaplexTM Multiplex Real-Time PCR Assay for Detection of Streptococcus agalactiae Serotypes. Microorganisms. 2024; 12(10):2043. https://doi.org/10.3390/microorganisms12102043
Chicago/Turabian StyleHandigund, Mallikarjun, and Jaehyeon Lee. 2024. "Performance Evaluation of NovaplexTM Multiplex Real-Time PCR Assay for Detection of Streptococcus agalactiae Serotypes" Microorganisms 12, no. 10: 2043. https://doi.org/10.3390/microorganisms12102043
APA StyleHandigund, M., & Lee, J. (2024). Performance Evaluation of NovaplexTM Multiplex Real-Time PCR Assay for Detection of Streptococcus agalactiae Serotypes. Microorganisms, 12(10), 2043. https://doi.org/10.3390/microorganisms12102043