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Applied and Environmental Microbiology, February 2007, p. 1005-1009, Vol. 73, No. 3
0099-2240/07/$08.00+0     doi:10.1128/AEM.02100-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

SHORT REPORT

Inhibition of Staphylococcus aureus Growth on Tellurite-Containing Media by Lactobacillus reuteri Is Dependent on CyuC and Thiol Production{triangledown}

Mark S. Turner,* Raquel Lo, and Philip M. Giffard

Infectious Diseases Program, Cells and Tissue Domain, Institute for Health and Biomedical Innovation, Queensland University of Technology, Brisbane, Australia

Received 5 September 2006/ Accepted 18 November 2006

Lactobacillus reuteri inhibits Staphylococcus aureus growth on Baird-Parker agar. This activity required the presence of tellurite and was not shared with other lactic acid bacteria or an L. reuteri mutant defective in cystine metabolism. Secreted products generated from L. reuteri cystine metabolism and thiols were shown to augment tellurite toxicity.

* Corresponding author. Mailing address: Infectious Diseases Program, Cells and Tissue Domain, Institute for Health and Biomedical Innovation, Queensland University of Technology, Cnr Blamey Street & Musk Avenue, Kelvin Grove, Brisbane, Queensland 4059, Australia. Phone: (61-7) 3138-6000. Fax: (61-7) 3864-6030. E-mail: ms.turner{at}qut.edu.au.

{triangledown} Published ahead of print on 1 December 2006.

Applied and Environmental Microbiology, February 2007, p. 1005-1009, Vol. 73, No. 3
0099-2240/07/$08.00+0     doi:10.1128/AEM.02100-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.



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