Figure 1From: Reconstruction of regulatory and metabolic pathways in metal-reducing δ-proteobacteriaGenomic organization of the biotin biosynthetic genes and regulatory elements. DV (Desulfovibrio vulgaris); DD (Desulfovibrio desulfuricans G20); GM (Geobacter metallireducens); GS (Geobacter sulfurreducens PCA); DA (Desulfuromonas species); DP (Desulfotalea psychrophila).Back to article page