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Multilocus restriction typing method to predict the sequence type of meningococci.
Kristin H Dyet1, Robin S Simmonds, Diana R Martin
1Communicable Disease Group, ESR Ltd., Porirua, New Zealand. kristin.dyet@esr.cri.nz
Journal of Clinical Microbiology
|April 9, 2004
Summary
A new multilocus restriction typing (MLRT) method efficiently identifies clonal relationships in epidemic serogroup B meningococci. This rapid, inexpensive technique strongly correlates with established multilocus sequence typing, aiding outbreak investigations.
Area of Science:
- Microbiology
- Epidemiology
- Molecular typing
Background:
- Serogroup B meningococci (MenB) outbreaks pose significant public health challenges.
- Accurate and efficient typing methods are crucial for understanding meningococcal epidemiology and controlling spread.
- Existing methods like multilocus sequence typing (MLST) can be resource-intensive.
Purpose of the Study:
- To develop and evaluate a novel multilocus restriction typing (MLRT) method.
- To assess MLRT's efficiency in determining clonal relationships among epidemic MenB strains.
- To compare MLRT with established typing techniques.
Main Methods:
- Development of a multilocus restriction typing (MLRT) protocol.
- Application of MLRT to isolates from a serogroup B meningococcal epidemic in New Zealand.
- Comparative analysis of MLRT results with multilocus sequence typing (MLST) data.
Main Results:
- MLRT successfully reduced the number of required sequencing reactions.
- The developed MLRT method proved to be rapid, simple, and cost-effective.
- MLRT results demonstrated excellent correlation with established MLST data.
Conclusions:
- MLRT is a valuable and efficient tool for investigating meningococcal outbreaks.
- This method offers a practical alternative for clonal relationship determination in resource-limited settings.
- MLRT facilitates rapid epidemiological surveillance of serogroup B meningococci.