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Journal of Bacteriology, October 2001, p. 6135-6139, Vol. 183, No. 20
0021-9193/01/$04.00+0   DOI: 10.1128/JB.183.20.6135-6139.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

Glycerol 3-Phosphate Inhibits Swarming and Aggregation of Myxococcus xanthus

Aurelio Moraleda-Muñoz, Juana Carrero-Lérida, Antonio L. Extremera, José M. Arias, and José Muñoz-Dorado*

Departamento de Microbiología, Facultad de Ciencias, Universidad de Granada, Granada, Spain

Received 29 January 2001/Accepted 18 July 2001

We have cloned a gene of Myxococcus xanthus with similarities to the permease for glycerol 3-phosphate (G3P) of other bacteria. Expression of the gene increased significantly during the first hours of starvation. Swarming of the wild-type strain was inhibited and aggregation was delayed by G3P. Conversely, a Delta glpT strain aggregated even on rich medium. These results indicate that G3P may function to regulate the timing of aggregation in M. xanthus.

* Corresponding author. Mailing address: Departamento de Microbiologia, Facultad de Ciencias, Universidad de Granada, Avda. Fuentenueva s/n, E-18071 Granada, Spain. Phone: 34 958 243183. Fax: 34 958 249486. E-mail: jdorado{at}ugr.es.

Journal of Bacteriology, October 2001, p. 6135-6139, Vol. 183, No. 20
0021-9193/01/$04.00+0   DOI: 10.1128/JB.183.20.6135-6139.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.


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