Recent developments in isothermal amplification technology for rapid detection of SARS-CoV-2

Area of Science:

• Molecular Biology
• Infectious Diseases
• Biotechnology

Background:

• The global spread of Coronavirus disease 2019 (COVID-19), caused by SARS-CoV-2, necessitates rapid and accurate diagnostic tools.
• Conventional diagnostic methods face limitations in meeting clinical demands for speed and accessibility.
• Isothermal nucleic acid amplification technologies offer advantages for point-of-care and resource-limited settings.

Purpose of the Study:

• To review advancements in isothermal amplification technologies for infectious disease detection.
• To highlight the application of Loop-Mediated Isothermal Amplification (LAMP) and Recombinase Polymerase Amplification (RPA) for SARS-CoV-2 detection.
• To discuss the future potential of isothermal amplification in diverse diagnostic applications.

Main Methods:

• Review of representative isothermal amplification technologies and associated detection methods.
• Focus on Loop-Mediated Isothermal Amplification (LAMP) and Recombinase Polymerase Amplification (RPA).
• Summary of recent technological advancements and applications for SARS-CoV-2 detection.

Main Results:

• Isothermal methods provide mild reaction conditions and reduce reliance on complex instrumentation.
• LAMP and RPA are mature technologies enabling rapid, convenient, and reliable nucleic acid amplification.
• These methods show significant promise for on-site and resource-limited infectious pathogen detection.

Conclusions:

• Isothermal amplification technologies, particularly LAMP and RPA, are highly effective for rapid SARS-CoV-2 detection.
• These methods offer a viable alternative to conventional diagnostics, especially in settings with limited resources.
• Future prospects include diversified testing applications for various infectious agents.