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, bicarbonateUnknown 99
    HP0103 (TlpB)sCachepHUnknown 103
AI-2Indirect 110
Urea, hydroxyurea, formamide, acetamideDirect 97, 109
    HP0599 (TlpD)CZBEnergyUnknown 74
Hydrogen peroxide, paraquatUnknown 75
C. jejuni
    Cj0262c (DocC)dCacheDeoxycholateUnknown 117
    Cj1506c (CcaA)dCacheAspartateDirect 116
    Cj1564 (CcmL)dCache3 amino acids, succinateDirect 38
Malate, fumarate, purine, thiamine, Ile 179
    Cj1189c (CetB)PASEnergyUnknown 121
    Cj1190c (CetA)NoneEnergyUnknown 121
    Cj1110c (CetZ)PASEnergyUnknown 125
    Cj0951c (Tlp7)NoneFormateUnknown 124
    Cj0952cUnknownFormateUnknown 124
    Tlp11adCacheGalactoseDirect 119
  • a Found in only a few isolates.