Abstract
Pseudomonas aeruginosa uses two distinct type IV pili (TFP)-driven movements when foraging —the first, “crawling,” gets a cell from one place to another quickly, while the second, “walking” upright, enables it to explore its surroundings, according to Gerard C. L. Wong at the University of California in Los Angeles (UCLA) and colleagues there and at the University of Illinois in Urbana-Champaign, the University of Houston in Houston, Tex., and the University of Notre Dame in Notre Dame, Ind. The newly described walking behavior was identified by using particle-tracking algorithms to analyze movies of bacterial trajectories. Details appear in the 8 October 2010 Science, DOI: 10.1126/science.1194238.
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