TABLE 5.

Induced genes in suspension cultures due to the mqsR mutation (LB medium)a

Geneb no.FunctionExpression ratio
ymfIb1143Hypothetical protein64.0
litb1139Lit, cell death peptidase; phage exclusion; e14 prophage52.0
pyrIb4244Aspartate carbamoyltransferase; PyrI subunit36.8
pyrBb4245Aspartate carbamoyltransferase; PyrB subunit34.3
yddKb1471Putative glycoportein29.9
glpDb3426Glycerol 3-phosphate dehydrogenase; aerobic26.0
ymfDb1137Hypothetical protein24.3
glpKb3926Glycerol kinase24.3
ymfKb1145Putative phage repressor21.1
glpFb3927GlpF; glycerol MIP channel14.9
aceBb4014Malate synthase13.9
aceAb4015Isocitrate lyase monomer13.9
glpAb2241Glycerol-3-phosphate-dehydrogenase, anaerobic10.6
yiaMb3577YiaMNO binding protein-dependent secondary (TRAP)10.6
ymfGb1141Hypothetical protein9.8
ymfJb1144Hypothetical protein8.6
b1146b1146Hypothetical protein8.6
ymfLb1147Hypothetical protein8.6
ppdDb0108Prelipin peptidase-dependent protein7.5
pyrLb4246pyrBI operon leader peptide7.5
caiTb0040CaiT carnitine BCCT transporter7.0
intEb1140Prophage e14 integrase7.0
ykfGb0247Putative DNA repair protein6.5
arpb4017Regulator of acetyl-CoAb synthetase6.5
yzgLb3427Conserved protein6.1
yncHb1455Hypothetical protein5.3
mcrAb1159Restriction of DNA at 5-methylcytosine residues4.9
yiaNb3578YiaMNO binding protein-dependent secondary (TRAP)4.9
aceKb4016Isocitrate dehydrogenase phosphatase/isocitrate dehydrogenase kinase4.6
yjgFb4243Conserved protein4.6
oppBb1244Oligopeptide ABC transporter4.3
oppDb1246Oligopeptide ABC transporter4.0
asnUb1986tRNA4.0
  • a Genes consistently induced (P < 0.05) more than fourfold are shown, and those in boldface type were reported regulated by AI-2 (15, 36, 44).

  • b CoA, coenzyme A.