Table 1.

Comparative characteristics of “F. rappini” and selectedHelicobacter speciesa

TestH. pyloriH. cinaediH. fennelliaeH. trogontumH. bilisF. rappini
Reference 1Reference 18This report
Oxidase++++++++
Catalase+++++
Urease+++++
Hippurate hydrolysis
Nitrate reduction++
Microaerobic growth at (°C):
 25
 37++++++++
 42+++++
Susceptibility to:
 Nalidixic acidRSSRRRSR
 CephalothinSISRRRRR
Indoxyl acetate hydrolysis+NDNDND
H2S production (TSI)NDND+NDNDNo growth
  • a Data were obtained from references1, 7, 12, and 18 and this report. +, positive reaction; −, negative reaction; S, susceptible; R, resistant; I, intermediate; ND, not determined.