Isothermal amplification techniques for rapid bacterial detection: alternatives to culturing and PCR-based methods.

Authors

Léo Baldenweck, Noémie Berg, Mila Djisalov, Vitaly Efremov, Zorica Novakovic, Sandrine Auger, Jasmina Vidic

Published in

Analytical methods : advancing methods and applications. Jul 07, 2026. Epub Jul 07, 2026.

Abstract

Rapid identification of bacteria and their virulence factors is essential for global public health. Isothermal amplification has become a cornerstone of point-of-care diagnostics, enabling genetic testing to be faster, simpler, and more accessible than culturing or polymerase chain reaction (PCR). This review examines recent advances in some of the most commonly used isothermal amplification methods for bacterial detection: SDA, LAMP, HDA, RPA, RCA, and NASBA. The integration of isothermal amplification with the CRISPR/Cas system or microfluidic devices is also highlighted as an advanced gene detection technology. We present various readout methods used to detect gene amplification products or processes, including colorimetric, fluorescent, electrochemical, and quartz microbalance techniques. These integrated approaches can detect very small amounts of bacterial DNA, in under an hour, providing rapid, sensitive, versatile, and portable tools for health control.

PMID:
42411270
Bibliographic data and abstract were imported from PubMed on 07 Jul 2026.

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