Bacterial swarming in Pseudomonas A.: socio-microbiology or hydrodynamics?

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• Prof. Jan Vermant, Unive Leuven, Belgium
• Friday 08 October 2010, 14:00-15:00
• Pippard Lecture Theatre, Cavendish Laboratory.

If you have a question about this talk, please contact Erika Eiser.

Bacterial swarming is one of the most efficient methods by which bacteria colonize nutrient-rich environments and host tissues. Swarming hence plays an important role in phenomena such as virulence and biofilm formation. Several mechanisms have been proposed to explain the phenomenon and the intricate pattern formation, but so far no conclusive evidence has been presented on the mechanisms that control swarming and, vice versa, how swarming can be controlled. Here we show, by using a range of complementary genetic and physicochemical experiments and using a simple mathematical analysis how the swarming is caused by a flow driven by surface tension gradients in the case of an opportunistic pathogen, Pseudomonas aeruginosa.

This talk is part of the BSS Formal Seminars series.

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