Fig. 1From: Citrobacter amalonaticus Y19 for constitutive expression of carbon monoxide-dependent hydrogen-production machineryGene organization of CO oxidation machinery (a) and carbon catabolite repression on expression of coo operon genes in C. amalonaticus Y19 (b). Binding of the transcriptional activator CooA in the intergenic regions of cooM and hypC is shown in (a). In b, the relative mRNA levels for various structural genes involved in CO-dependent H2 production during cell growth on glucose and maltose, respectively, are shown. Cells were grown both in the presence and absence of COBack to article page