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Experimental Methods for Studying the BAM Complex in Neisseria meningitidis
Martine P Bos1,2, Ria Tommassen-van Boxtel1, Jan Tommassen3
1Department of Molecular Microbiology and Institute of Biomembranes, Utrecht University, Padualaan 8, Utrecht, 3584 CH, The Netherlands.
Methods in Molecular Biology (Clifton, N.J.)
|October 3, 2015
Summary
This study introduces new genetic tools for studying Neisseria meningitidis, a key pathogen. These methods enable research into essential cell processes like outer membrane biogenesis and the BAM complex.
Area of Science:
- Microbiology
- Molecular Biology
- Bacterial Pathogenesis
Background:
- Neisseria meningitidis is a significant human pathogen studied for host interactions and vaccines.
- Its biological characteristics also make it a valuable model for fundamental research, including outer membrane protein assembly.
- The bacterial outer membrane protein assembly BAM complex was first identified in N. meningitidis.
Purpose of the Study:
- To develop and present protocols for genetic manipulation in N. meningitidis.
- To enable the study of essential genes and protein complexes, such as the BAM complex.
- To provide a method for assessing BAM complex function in vivo.
Main Methods:
- Gene inactivation via chromosomal modification in N. meningitidis.
- Controlled gene expression using a plasmid-based system.
- Development of a gel-based assay for evaluating BAM complex functionality.
Main Results:
- Established protocols for gene knockout and conditional gene expression in N. meningitidis.
- Demonstrated the utility of these protocols for depleting essential BAM complex components.
- Validated a simple assay for assessing BAM complex activity.
Conclusions:
- The described genetic tools facilitate in-depth study of N. meningitidis.
- These methods are crucial for dissecting fundamental biological processes like outer membrane biogenesis.
- The developed assay provides a straightforward way to evaluate BAM complex function in this model organism.
