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Updated: May 14, 2026
Combination of Adhesive-tape-based Sampling and Fluorescence in situ Hybridization for Rapid Detection of Salmonella on Fresh Produce
Published on: October 18, 2010
Molecular Detection of Salmonella
Hongjian Fu1, Wenjuan Xu1, Mintao Huang1
1Dongguan Key Laboratory for Pathogenesis and Experimental Diagnosis of Infectious Diseases, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523710, China; Department of Clinical Laboratory, The First Dongguan Affiliated Hospital, Guangdong Medical University, Dongguan 523710, China.
Molecular techniques significantly improve Salmonella detection, offering rapid and sensitive methods for public health surveillance. Advancements like whole genome sequencing enhance pathogen identification and control strategies.
Area of Science:
- Food safety and microbiology
- Molecular diagnostics
- Public health surveillance
Background:
- Salmonella is a major foodborne pathogen causing significant public health risks.
- Traditional detection methods for Salmonella are slow and lack sensitivity.
- Molecular techniques offer improved Salmonella detection capabilities.
Purpose of the Study:
- To systematically review technological advancements in molecular detection of Salmonella.
- To cover a wide array of molecular detection and characterization technologies.
- To discuss challenges and future prospects in Salmonella detection.
Main Methods:
- Comprehensive review of molecular detection techniques for Salmonella.
- Inclusion of conventional PCR, qPCR, digital PCR (dPCR), and isothermal amplification.
- Discussion of genotyping methods like pulsed-field gel electrophoresis (PFGE) and multilocus sequence typing (MLST), and whole genome sequencing (WGS).
Main Results:
- Molecular methods like PCR, qPCR, and WGS provide high sensitivity, specificity, and rapidity for Salmonella detection.
- Emerging techniques include CRISPR-Cas systems and microfluidic chips.
- Challenges include balancing sensitivity/specificity in complex samples and technology cost/accessibility.
Conclusions:
- Molecular detection technologies are crucial for effective Salmonella prevention and control.
- Future directions include portable point-of-care testing and automated equipment.
- Ongoing optimization of these technologies will bolster public health efforts against Salmonella infections.
