cadDX operon of Streptococcus salivarius 51.I

Yi Ywan M. Chen, C. W. Feng, C. F. Chiu, Robert A. Burne

Research output: Contribution to journalJournal Article peer-review

12 Scopus citations

Abstract

A CadDX system that confers resistance to Cd2+ and Zn 2+ was identified in Streptococcus salivarius 57.I. Unlike with other CadDX systems, the expression of the cad promoter was negatively regulated by CadX, and the repression was inducible by Cd2+ and Zn2+, similar to what was found for CadCA systems. The lower G+C content of the S. salivarius cadDX genes suggests acquisition by horizontal gene transfer.

Original languageEnglish
Pages (from-to)1642-1645
Number of pages4
JournalApplied and Environmental Microbiology
Volume74
Issue number5
DOIs
StatePublished - 03 2008

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