Characterization of the LacI-type transcriptional repressor RbsR controlling ribose transport in Corynebacterium glutamicum ATCC 13032, by S. S. Nentwich, K. Brinkrolf, L. Gaigalat, A. T. Hüser, D. A. Rey, T. Mohrbach, K. Marin, A. Pühler, A. Tauch and J. Kalinowski