Journal
TRENDS IN MICROBIOLOGY
Volume 18, Issue 1, Pages 30-37Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.tim.2009.11.001
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Funding
- University of Georgia Graduate School
- Atlanta Chapter of Achievement Rewards for College Scientists (ARCS) Foundation
- National Institutes of Health [AI080923]
- NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES [R03AI080923] Funding Source: NIH RePORTER
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The flagellum, a rotary engine required for motility in many bacteria, plays key roles in gene expression. It has been known for some time that flagellar substructures serve as checkpoints that coordinate flagellar gene expression with assembly. Less well understood, however, are other more global effects on gene expression. For instance, the flagellum acts as a 'wetness' sensor in Salmonella typhimurium, and as a mechanosensor in other bacteria. Additionally, it has been implicated in a variety of bacterial processes, including biofilm formation, pathogenesis and symbiosis. Although for many of these processes it might be simply that motility is required, in other cases it seems that the flagellum plays an underappreciated role in regulating gene expression.
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