Article
Inactivation of a novel three-cistronic operon tcaR-tcaA-tcaB increases teicoplanin resistance in Staphylococcus aureus.
Biochimica et biophysica acta - 18 Oct 2000
Brandenberger M, Tschierske M, Giachino P, Wada A, Berger-Bächi B
Abstract excerpt
A novel teicoplanin-associated operon termed tcaR-tcaA-tcaB was identified by Tn917-mediated insertional mutagenesis. Resistance to teicoplanin rose 4-fold by insertional inactivation of tcaA or by deletion of the entire operon. tcaA encodes a hypothetical transmembrane protein with a metal-binding motif, possibly a sensor-transducer. tcaB codes for a membrane-associated protein, which has sequence homologies to...
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