TABLE 2

Functionally characterized chemoreceptors of H. pylori and C. jejuni

Locus tag (chemoreceptor name)LBD typeEffector(s)Binding modeReference(s)
H. pylori
    HP0099 (TlpA)dCacheArginine, bicarbonateUnknown99
    HP0103 (TlpB)sCachepHUnknown103
AI-2Indirect110
Urea, hydroxyurea, formamide, acetamideDirect97, 109
    HP0599 (TlpD)CZBEnergyUnknown74
Hydrogen peroxide, paraquatUnknown75
C. jejuni
    Cj0262c (DocC)dCacheDeoxycholateUnknown117
    Cj1506c (CcaA)dCacheAspartateDirect116
    Cj1564 (CcmL)dCache3 amino acids, succinateDirect38
Malate, fumarate, purine, thiamine, Ile179
    Cj1189c (CetB)PASEnergyUnknown121
    Cj1190c (CetA)NoneEnergyUnknown121
    Cj1110c (CetZ)PASEnergyUnknown125
    Cj0951c (Tlp7)NoneFormateUnknown124
    Cj0952cUnknownFormateUnknown124
    Tlp11adCacheGalactoseDirect119
  • a Found in only a few isolates.