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Can J Microbiol. 1980 Feb;26(2):146-54.

A function of Pseudomonas aeruginosa PAO polar pili: twitching motility.


Twitching motility is a mode of flagella-independent surface translocation exhibited by Pseudomonas aeruginosa and other bacteria on solid media. All species exhibiting it carry thin pili, usually polar. This work shows that only PAO and K strains of P. aeruginosa with retractile (PSA) pili were able to move in this way, those with no pili or non-retractile pili remaining stationary. Specific agents such as anti-pilus serum, which prevents otherwise functional pili from retracting, also prevented twitching motility.

[Indexed for MEDLINE]

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