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Infection and Immunity, June 2001, p. 4146-4153, Vol. 69, No. 6
0019-9567/01/$04.00+0   DOI: 10.1128/IAI.69.6.4146-4153.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.

Distinct Regulatory Pathways Control Expression of Borrelia burgdorferi Infection-Associated OspC and Erp Surface Proteins

Kelly Babb,1 Nazira El-Hage,1 Jennifer C. Miller,1 James A. Carroll,2 and Brian Stevenson1,*

Department of Microbiology and Immunology, University of Kentucky College of Medicine, Lexington, Kentucky 40536-0298,1 and Microscopy Branch, Rocky Mountain Laboratories, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, Montana 598402

Received 22 December 2000/Returned for modification 9 February 2001/Accepted 26 February 2001

Deciphering the mechanisms by which Borrelia burgdorferi controls the synthesis of proteins associated with mammalian infection will be an important step toward understanding the pathogenic properties of Lyme disease-causing bacteria. We present results of studies indicating that B. burgdorferi senses a wide variety of environmental stimuli, including soluble chemicals, which enables it to independently control synthesis of the Erp and OspC proteins. Regulation of OspC and Erp expression appears to occur at the level of transcription. In this regard, we observed that one or more DNA-binding proteins interact specifically with erp promoter DNA but not with the ospC promoter.

* Corresponding author. Mailing address: Department of Microbiology and Immunology, University of Kentucky College of Medicine, MS 415 Chandler Medical Center, Lexington, KY 40536-0298. Phone: (859) 257-9358. Fax: (859) 257-8994. E-mail: bstev0{at}pop.uky.edu.

Infection and Immunity, June 2001, p. 4146-4153, Vol. 69, No. 6
0019-9567/01/$04.00+0   DOI: 10.1128/IAI.69.6.4146-4153.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.


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