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. 2005 Feb;187(3):1124–1134. doi: 10.1128/JB.187.3.1124-1134.2005

TABLE 3.

Genes whose mRNA levels displayed >twofold decreases after addition of 0.2 mM ZnSO4 to minimal medium

Genea Gene product and/or functionb Fold decrease P value (<0.05)
Transport and binding
    actP Acetate permease 3.1 4.4 × 10−3
    csgF Possible assembly or transport protein for curli 6.2 2.5 × 10−3
    csgG Possible assembly or transport protein for curli; novel lipoprotein 2.7 4.3 × 10−4
    gadC Putative glutamate-γ-aminobutyrate antiporter. 5.9 1.7 × 10−5
    lsrB Part of a system for autoinducer 2 uptake in Salmonella 2.5 4.4 × 10−3
    hdeD Putative membrane transporter, H-NS repressed 2.8 2.4 × 10−4
    lsrD Part of a system for autoinducer 2 uptake in Salmonella 2.1 1.0 × 10−2
    lsrG Function unknown; part of an operon for autoinducer 2 uptake in Salmonella 2.8 1.1 × 10−3
    ompW Outer membrane protein; colicin S4 receptor 2.4 2.9 × 10−2
    ugpA sn-Glycerol-3-phosphate transport system; integral membrane protein 2.2 3.5 × 10−2
    ugpE sn-Glycerol-3-P transport system 2.4 5.0 × 10−3
    uidB Glucuronide permease 3.7 8.1 × 10−3
    ydcU Function unknown; putative ABC transporter permease protein 2.2 8.0 × 10−4
    ygjU Na+/serine (threonine) symporter 2.3 6.0 × 10−4
Other gene implicated in responses to metals
    yrbL Mg(II) starvation-stimulated gene; function unknown; phoPQ regulon 7.7 3.0 × 10−7
Genes implicated in response to stresses other than metals
    csgD Transcriptional regulator for curli operon csgBA 2.3 2.0 × 10−3
    csiE Stationary-phase inducible protein; sigma S-dependent promoter 2.7 5.0 × 10−4
    cstA Starvation-induced protein involved in peptide utilization during carbon starvation 2.3 8.3 × 10−4
    dps Stress response DNA-binding protein 2.1 1.3 × 10−3
    gadE Required for stationary-phase induction; pH 5.5 growth medium induced; overexpression confers acid resistance 2.7 1.7 × 10−4
    hdeB Acid resistance; periplasmic protein; repressed by H-NS; rpoS regulon 5.8 1.7 × 10−4
    osmE Regulated by growth phase as well as osmotic pressure 2.9 3.5 × 10−4
    osmC Osmotically inducible, stress-inducible membrane protein C; involved in defense against oxidative compounds 2.6 7.2 × 10−7
    psiF pho regulon member, requiring PhoRB system 2.4 2.9 × 10−3
    rssB Two-component response regulator, affecting RpoS regulon 2.2 3.6 × 10−2
    sodC Superoxide dismutase; Cu, Zn, periplasmic 2.6 2.3 × 10−5
    uspB Ethanol resistance in stationary phase 2.1 5.5 × 10−3
Periplasmic protein
    hdeA Periplasmic chaperone of acid-denatured proteins 5.4 3.6 × 10−5
Extracellular protein
    hlyE Latent hemolysin 2.9 2.0 × 10−2
Intermediary metabolism
    astA Putative arginine succinyltransferase 3.9 1.1 × 10−4
    gadB Glutamate decarboxylase B, vitamin B6 dependent 5.3 3.7 × 10−6
    otsB Trehalose phosphate phosphatase; cold and heat induced 2.3 5.6 × 10−3
    talA Transaldolase A; creBC regulon 2.1 2.1 × 10−2
Membrane structure
    frdD Fumarate reductase membrane anchor polypeptide 2.0 3.5 × 10−3
    ychH Function unknown; putative membrane protein transcribed divergently from pth 2.6 1.0 × 10−2
    ynfA Inner membrane protein; function unknown 2.5 8.9 × 10−4
Phage-related function
    sgcC Putative phosphotransferase enzyme IIC 5.3 6.4 × 10−4
    sgcX Putative gene in sgc cluster; function unknown 3.5 1.3 × 10−4
    stfR Phage lambda stf gene homolog in prophage Rac 2.0 4.9 × 10−2
Unclassified
    elaB Function unknown 2.4 1.2 × 10−4
    yagU Function unknown 5.1 4.5 × 10−5
    yahO Function unknown 3.1 5.3 × 10−3
    ybaY Function unknown 2.2 1.1 × 10−3
    ycfH Putative DNAse; tatD paralog; no Tat phenotype 2.2 5.1 × 10−3
    ycgK Function unknown 5.2 5.0 × 10−3
    ydeI Function unknown 2.2 1.0 × 10−2
    ydhZ Function unknown 2.7 4.8 × 102−
    yeaQ Function unknown 2.1 2.6 × 10−4
    yebV Function unknown 2.4 1.2 × 10−3
    yhcO Function unknown 2.5 3.5 × 10−2
    yhfG Function unknown 2.4 1.9 × 10−4
    yjbJ Function unknown 2.0 1.3 × 10−2
    yjfO Function unknown 2.4 3.3 × 10−2
    yoaE Function unknown 2.3 9.8 × 10−4
    yodD Function unknown 2.1 4.9 × 10−3
    ytfR Function unknown 2.4 4.2 × 10−4
    ytfT Function unknown 3.0 3.7 × 10−2
    ytfR Function unknown 2.4 4.2 × 10−4
    ytfT Function unknown 3.0 3.7 × 10−2
a

Gene names obtained from http://bmb.med.miami.edu/EcoGene/EcoWeb/.

b

Gene product descriptions obtained from http://bmb.med.miami.edu/EcoGene/EcoWeb/.