ZitB (YbgR), a Member of the Cation Diffusion Facilitator Family, Is an Additional Zinc Transporter in Escherichia coli
Open Access
- 1 August 2001
- journal article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 183 (15), 4664-4667
- https://doi.org/10.1128/jb.183.15.4664-4667.2001
Abstract
The Escherichia coli zitB gene encodes a Zn(II) transporter belonging to the cation diffusion facilitator family. ZitB is specifically induced by zinc. ZitB expression on a plasmid rendered zntA -disrupted E. coli cells more resistant to zinc, and the cells exhibited reduced accumulation of 65 Zn, suggesting ZitB-mediated efflux of zinc.Keywords
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