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Bacterial flagellar diversity and significance in pathogenesis
FEMS Microbiology Letters
|December 15, 1992
Summary
Bacterial flagella exhibit diverse structures beyond common models like E. coli. Emerging research reveals novel flagellar types, including sheathed and endoflagella, with implications for bacterial pathogenicity.
Area of Science:
- Microbiology
- Structural Biology
- Genetics
Background:
- Bacterial flagella are essential for motility.
- Model flagella from E. coli and S. typhimurium are well-studied.
- Diverse flagellar structures exist in other bacteria, such as sheathed flagella and endoflagella.
Purpose of the Study:
- To summarize emerging structural and genetic findings of novel bacterial flagellar types.
- To explore the significance of these novel flagella in bacterial pathogenicity.
Main Methods:
- Literature review and synthesis of recent structural and genetic studies.
- Comparative analysis of different flagellar types.
Main Results:
- Detailed description of sheathed flagella (e.g., Helicobacter pylori) and endoflagella (spirochaetes).
- Identification of unique structural and genetic features in these novel flagella.
Conclusions:
- Novel flagellar structures represent significant evolutionary diversity.
- These diverse flagella may play crucial roles in the pathogenicity of medically important bacteria.