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 Previous Article

Journal of Bacteriology, June 2008, p. 4106-4109, Vol. 190, No. 11
0021-9193/08/$08.00+0     doi:10.1128/JB.00178-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.

Transcriptional Organization of the Region Encoding the Synthesis of the Flagellar Filament in Pseudomonas fluorescens{triangledown} ,{dagger}

Miguel Redondo-Nieto, Javier Lloret, Javiera Larenas, Emma Barahona, Ana Navazo, Francisco Martínez-Granero, Silvia Capdevila, Rafael Rivilla, and Marta Martín*

Departamento de Biología, Universidad Autónoma de Madrid, 28049 Madrid, Spain

Received 5 February 2008/ Accepted 18 March 2008

Pseudomonas fluorescens F113 is motile by means of type b flagella. Analysis of the region encoding the synthesis of the flagellar filament has shown a transcriptional organization different from that of type a flagella. Additionally to the promoters driving fliC, fliD, and fleQ expression, we have found promoters upstream of the flaG gene and the fliST operon. These promoters were functional in vivo. Both promoters have been mapped and appear to be dependent on the vegetative sigma factor and independent of FleQ, the master regulator of flagellum synthesis.

* Corresponding author. Mailing address: Departamento de Biología, c/Darwin, 2, Campus de Cantoblanco, 28049 Madrid, Spain. Phone: 34914978188. Fax: 34914978344. E-mail: m.martin{at}uam.es

{triangledown} Published ahead of print on 28 March 2008.

{dagger} Supplemental material for this article may be found at http://jb.asm.org/.

Journal of Bacteriology, June 2008, p. 4106-4109, Vol. 190, No. 11
0021-9193/08/$08.00+0     doi:10.1128/JB.00178-08
Copyright © 2008, American Society for Microbiology. All Rights Reserved.





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