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Emerging Landscape of SARS-CoV-2 Variants and Detection Technologies
Xianghui Li1, Jing Wang2, Jingping Geng1
1Department of Microbiology and Immunology, Medical School, China Three Gorges University, Yichang, 443002, China.
Molecular Diagnosis & Therapy
|December 28, 2022
Summary
New diagnostic methods for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are crucial as infections rise. This review explores advanced detection technologies that could improve upon current reverse transcription-polymerase chain reaction methods for early diagnosis and prevention.
Area of Science:
- Virology
- Molecular Biology
- Biotechnology
Background:
- Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), identified in 2019, causes significant global morbidity and mortality.
- Despite widespread vaccination, SARS-CoV-2 infections continue to increase, highlighting the need for effective diagnostic and preventative strategies.
- Current detection relies on reverse transcription-polymerase chain reaction (RT-PCR), which has limitations including complexity, cost, and time.
Purpose of the Study:
- To review and summarize current and emerging detection technologies for SARS-CoV-2.
- To evaluate alternative and complementary methods to RT-PCR for early diagnosis and targeted prevention of SARS-CoV-2.
- To provide insights into the potential of novel technologies in managing the ongoing pandemic.
Main Methods:
- Comprehensive review of scientific literature on SARS-CoV-2 detection technologies.
- Analysis of methods including isothermal amplification, CRISPR-Cas, serological assays, biosensors, ensemble techniques, microfluidics, and next-generation sequencing.
- Comparison of these technologies against established RT-PCR methods.
Main Results:
- Various advanced technologies show promise for SARS-CoV-2 detection, offering potential advantages over RT-PCR.
- Isothermal amplification, CRISPR-Cas, biosensors, and microfluidics present opportunities for faster, simpler, and potentially more accessible diagnostics.
- Next-generation sequencing and ensemble methods offer comprehensive genetic analysis and improved accuracy.
Conclusions:
- Emerging diagnostic technologies hold significant potential to enhance early detection and targeted prevention of SARS-CoV-2 infections.
- These novel methods could overcome limitations of current RT-PCR diagnostics, improving pandemic control efforts.
- Further development and integration of these technologies are key for future predictive diagnostics and public health strategies.
