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Methods
Article . 2025 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
Methods
Article . 2025
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Novel multitarget LAMP and PCR assays for the detection of Bordetella species

Authors: Maxim A, Koryukov; Igor P, Oscorbin; Maria A, Gordukova; Irina E, Turina; Alfiya I, Aminova; Maxim L, Filipenko;

Novel multitarget LAMP and PCR assays for the detection of Bordetella species

Abstract

Whooping cough, or pertussis, is a highly contagious disease caused by several Bordetella species and continues to pose a significant global public health concern. The rising incidence of pertussis highlights the urgent need for effective public health strategies to address Bordetella infections. Rapid and species-specific diagnostic tools are essential for preventing Bordetella transmission and are vital components of anti-infective measures. This study aimed to develop novel loop-mediated isothermal amplification (LAMP) and quantitative PCR (qPCR) assays for the detection of four Bordetella species responsible for human respiratory tract infections: B. pertussis, B. parapertussis, B. bronchiseptica, and B. holmesii. The qPCR assay demonstrated a low limit of detection (LoD), reliably identifying up to 5 copies of target DNA per reaction. The LAMP assays were approximately three times faster than qPCR (30 min) but had higher LoDs. Notably, qLAMP had a limit of detection of 25 copies per reaction for all four Bordetella species. In contrast, vLAMP had a LoD of 25 copies per reaction for B. pertussis and B. parapertussis; and a LoD of 50 copies per reaction for B. holmesii and B. bronchiseptica. We validated the assays using nasal swab samples from patients with respiratory tract infections, analyzing a total of 651 samples with qPCR and 145 samples with LAMP. Both assays exhibited no cross-reactivity with common viral and bacterial respiratory pathogens. The concordance rate between qPCR and LAMP was 94.5%, underscoring the reliability of both methods for clinical application. These findings suggest that the developed qPCR and LAMP tests can be successfully integrated into clinical practice for the detection and management of Bordetella infections.

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Keywords

DNA, Bacterial, Bordetella parapertussis, Bordetella, Whooping Cough, Real-Time Polymerase Chain Reaction, Bordetella bronchiseptica, Polymerase Chain Reaction, Bordetella pertussis, Molecular Diagnostic Techniques, Limit of Detection, Humans, Nucleic Acid Amplification Techniques, Bordetella Infections

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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