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Published on: January 26, 2019
Autonomous reovirus strain classification using filament-coupled antibodies
Gregory P Stone1, J Denise Wetzel, Patricia K Russ
1Department of Biomedical Engineering, Vanderbilt University School of Engineering, Nashville, TN 37232, USA.
Annals of Biomedical Engineering
|October 13, 2006
Summary
Automated pathogen classification is feasible using a filament-based antibody recognition assay (FARA). This novel decision tree system accurately identified reovirus strains and bacteriophage controls, demonstrating potential for rapid, specific pathogen detection.
Area of Science:
- Biotechnology
- Immunology
- Microbiology
Background:
- Filament-based antibody recognition assay (FARA) enables precise antibody coupling and on-line pathogen detection.
- FARA's properties suggest utility in automated, rapid classification of unknown pathogens.
Purpose of the Study:
- To validate the decision tree aspect of FARA technology for automated pathogen classification.
- To assess FARA's accuracy in differentiating reovirus strains and a bacteriophage control.
Main Methods:
- Developed a decision tree algorithm utilizing specific antibodies for pathogen detection with increasing specificity.
- Tested the system with three reovirus strains and M13K07 bacteriophage at defined concentrations.
Main Results:
- The FARA system correctly classified reovirus strains (2 x 10^12 virions/mL) and M13K07 phage (3 x 10^11 virions/mL).
- Classification of reovirus strains required two to three levels of testing, demonstrating hierarchical specificity.
- M13K07 phage detection was achieved in a single testing level.
Conclusions:
- Automated pathogen classification using FARA is feasible and accurate.
- The FARA system's design simplicity allows for expansion into more complex sub-classification networks.

