Article
Control of heme homeostasis in Corynebacterium glutamicum by the two-component system HrrSA.
Journal of bacteriology - 1 Mar 2011
Frunzke Julia, Gätgens Cornelia, Brocker Melanie, Bott Michael
Abstract excerpt
The response regulator HrrA of the HrrSA two-component system (previously named CgtSR11) was recently found to be repressed by the global iron-dependent regulator DtxR in Corynebacterium glutamicum. Here, we provide evidence that HrrA mediates heme-dependent gene regulation in this nonpathogenic soil bacterium. Growth experiments and DNA microarray analysis revealed that C. glutamicum is able to use hemin as an...
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