Table 3.

Genes of nitrogen metabolism and biosynthesis showing significant expression ratios

Functional groupGeneGene ProductLog ratio (minimal/rich medium)
Amino acids ilvC Ketol-acid reductoisomerase0.977
leuD Isopropylmalate isomerase subunit0.951
tyrA Chorismate mutase-T and prephenate dehydrogenase0.934
gltD Glutamate synthase, small subunit0.889
aroF 3-Deoxy-d-arabinoheptulosonate-7-phosphate synthase0.847
leuA 2-Isopropylmalate synthase0.809
leuB 3-Isopropylmalate dehydrogenase0.756
serA d-3-Phosphoglycerate dehydrogenase0.633
ygjG Probable ornithine aminotransferase0.623
leuC 3-Isopropylmalate isomerase (dehydratase) subunit0.566
trpB Tryptophan synthase, beta protein0.563
glyA Serine hydroxymethyltransferase0.541
gdhA NADP-specific glutamate dehydrogenase0.519
trpC N-(5-Phosphoribosyl)anthranilate isomerase and indole-3-glycerolphosphate synthetase0.518
ilvG1 Acetolactate synthase II, large subunit, interrupted0.513
trpE Anthranilate synthase component I0.511
metE Tetrahydropteroyltriglutamate methyltransferase0.499
cysK Cysteine synthase A,O-acetylserine sulfhydrolase A0.497
aspC Aspartate aminotransferase0.482
trpA Tryptophan synthase, alpha protein0.481
argA N-Acetylglutamate synthase0.444
pheA Chorismate mutase P and prephenate dehydratase0.439
serC 3-Phosphoserine aminotransferase0.401
Vitamins and cofactors nrdH Glutaredoxin-like protein; hydrogen donor0.638
hemC Porphobilinogen deaminase0.552
entE 2,3-Dihydroxybenzoate-AMP ligase0.543
grxB Glutaredoxin 20.506
gst Glutathionine S-transferase0.501
folE GTP cyclohydrolase I0.489
ggt Gamma-glutamyltranspeptidase0.477
entF ATP-dependent serine activating enzyme0.459
entB 2,3-Dihydro-2,3-dihydroxybenzoate synthetase, isochorismatase0.451
entC Isochorismate hydroxymutase 2 enterochelin biosynthesis0.428
thiH Thiamine biosynthesis−0.473
Nucleotides pyrI Aspartate carbamoyltransferase, regulatory subunit0.628
pyrB Aspartate carbamoyltransferase, catalytic subunit0.464
prsA Phosphoribosylpyrophosphate synthetase−0.472
ndk Nucleoside diphosphate kinase−0.484
pfs ORF, hypothetical protein−0.515
gmk Guanylate kinase−0.646
upp Uracil phosphoribosyltransferase−0.646
Fatty acid and phospholipid metabolism cfa Cyclopropane fatty acyl phospholipid synthase0.618
fadA 3-ketoacyl-CoA thiolase 0.494
fabA β-Hydroxydecanoyl thioester dehydrase−0.413
fabD Malonyl-CoA-[acyl-carrier-protein] transacylase−0.437
fabI Enoyl-[acyl carrier protein] reductase−0.468
accC Acetyl-CoA carboxylase, biotin carboxylase subunit−0.557
fabH 3-Oxoacyl-[acyl carrier protein] synthase III−0.571
fabF 3-Oxoacyl-[acyl carrier protein] synthase II−0.576
fabZ (3R)-Hydroxymyristol acyl carrier protein dehydratase−0.608