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[Laboratory methods for detection and identification of biological pathogens]
Erez Bar-Haim1, Adi Aran, Nir Marcus
1IDF Medical Corps, Israel.
Harefuah
|June 4, 2005
Summary
Recent advances in infectious disease diagnostics utilize nucleic acid and immuno-based methods. This review details biorecognition techniques like PCR, FISH, proteomics, and mass spectrometry, comparing their pros and cons for pathogen detection.
Area of Science:
- Biotechnology
- Infectious Disease Diagnostics
- Molecular Biology
Context:
- Laboratory detection of infectious disease agents has rapidly advanced due to new nucleic acid and immuno-based technologies.
- Physicians encounter these detection terms in clinical and academic settings, necessitating a shared understanding.
Purpose:
- To review the current state of biorecognition methods for infectious disease agent detection.
- To provide basic information on antigenic, genetic (PCR, RFLP, FISH), proteomics, and mass spectrometry techniques.
- To enable a common language between clinicians and basic science specialists regarding biodetection.
Summary:
- This review covers key biorecognition methods including antigenic identification, genetic identification (PCR, RFLP, FISH), proteomics, and mass spectrometry.
- Each method's technology, required qualifications, time to result, specificity, and sensitivity are detailed, along with advantages and disadvantages for pathogen detection.
- Nucleic acid methods offer high specificity and sensitivity, while immuno-based methods are simpler and improving. Protein-based methods confirm gene functionality, and mass spectrometry allows multiplexed protein detection.
Impact:
- Provides a comparative overview of advanced diagnostic technologies for infectious disease detection.
- Facilitates better understanding and communication between medical practitioners and scientists in the field of biodetection.
- Highlights the potential of emerging techniques like mass spectrometry for future diagnostic applications.