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Journal of Bacteriology, February 2009, p. 1355-1358, Vol. 191, No. 4
0021-9193/09/$08.00+0     doi:10.1128/JB.01317-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

Control of Gluconate Utilization in Sinorhizobium meliloti{triangledown} ,{dagger}

Tyler T. Steele, Christopher W. Fowler, and Joel S. Griffitts*

Department of Microbiology and Molecular Biology, Brigham Young University, Provo, Utah 84602

Received 18 September 2008/ Accepted 25 November 2008

The Sinorhizobium meliloti megaplasmid pSymA has previously been implicated in gluconate utilization. We report a locus on pSymA encoding a putative tripartite ATP-independent periplasmic (TRAP) transporter that is required for gluconate utilization. The expression of this locus is negatively regulated by a GntR family regulator encoded adjacent to the transporter operon.

* Corresponding author. Mailing address: Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT 84602. Phone: (801) 422-7997. Fax: (801) 422-0519. E-mail: joelg{at}byu.edu

{triangledown} Published ahead of print on 5 December 2008.

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

Journal of Bacteriology, February 2009, p. 1355-1358, Vol. 191, No. 4
0021-9193/09/$08.00+0     doi:10.1128/JB.01317-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.





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