Proteus mirabilis mutants defective in swarmer cell differentiation and multicellular behavior.

Abstract excerpt

Proteus mirabilis is a dimorphic bacterium which exists in liquid cultures as a 1.5- to 2.0-microns motile swimmer cell possessing 6 to 10 peritrichous flagella. When swimmer cells are placed on a surface, they differentiate by a combination of events that ultimately produce a swarmer cell. Unlike the swimmer cell, the polyploid swarmer cell is 60 to 80 microns long and possesses hundreds to thousands of...

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