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Journal article

Differentiation of Serratia liquefaciens into swarm cells is controlled by the expression of the flhD master operon

By Eberl, Leo; Christiansen, Gunna1; Molin, Søren2,3; Givskov, Michael Christian

From

Aarhus University1

Department of Systems Biology, Technical University of Denmark2

Center for Systems Microbiology, Department of Systems Biology, Technical University of Denmark3

The velocity with which a swarming colony of Serratia liquefaciens colonizes the surface of a suitable solid substratum was controlled by modulating the expression of the flhD master operon. In liquid medium, the stimulation of flhD expression resulted in filamentous, multinucleate, and hyperflagellated cells that were indistinguishable from swarm cells isolated from the edge of a swarm colony.

Thus, expression of the flhD master operon appears to play a central role in the process of swarm cell differentiation.

Language: English
Year: 1996
Pages: 554-559
ISSN: 10985530 , 00219193 and 10678832
Types: Journal article
DOI: 10.1128/jb.178.2.554-559.1996
ORCIDs: Molin, Søren
Keywords

Bacterial Proteins Culture Media DNA-Binding Proteins Enzyme Induction Escherichia coli Proteins Flagella Gene Expression Regulation, Bacterial Isopropyl Thiogalactoside Operon Phospholipases A Serratia Trans-Activators beta-Galactosidase flhD protein, E coli

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