2.3.1.190	down	transcriptions of the aco operon and acoR are repressed by glucose via CcpA, and CcpA specifically bound to sequences within the acoR promoter fragment	757616	
2.3.1.190	up	formation of the enzyme components of the acetoin dehydrogenase enzyme system E1, i.e. acetoin:2,6-dichlorophenolindophenol oxidoreductase Ao:DCPIP OR,, E2, i.e. dihydrolipoamide acetyltransferase DHLTA, and E3, i.e. dihydrolipoamide dehydrogenase DHLDH, are induced during growth on acetoin	701753	
2.3.1.190	up	the enzymes Ao:DCPIP OR, dihydrolipoamide dehydrogenase, and dihydrolipoamide acetyltransferase are induced during growth on acetoin, whereas they are absent or scarcely present in cells grown on a nonacetoinogenic substrate	486168