scipaWalking Biofilms Can Be More Dangerous
November 11th 2010 15:35
Recent findings from the University of California in Los Angeles has demonstrated that an odd behaviour that there is real bacterial motility in biofilms. Tow types of physiological states of bacterial motility are being observed:
1. the free-swimming, single-celled planktonic state, and
2. surface mounted biofilm state
Genes have been identified by this group, as mentioned in their recent publication in Science, that goes on and off, inducing Type IV Pili, to make them sit straight and get out of the biofilm to spread across the surface.
The group used recorded movies of trajectory optimised for bacterial movements within the biofilms, and have identified distinct foraging strategies.
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