TABLE 2.
Selected phenotypic test results of the 15 field and reference strains of H. cinaedi examined in the present study compared with data obtained previously for other human enteric Helicobacter species (23)
| Test | No. of strains giving positive result
|
|||||
|---|---|---|---|---|---|---|
|
H. cinaedi
|
H. canis (n = 11) | H. fennelliae (n = 12) | H. pullorum (n = 16) | “F. rappini” (n = 3)a | ||
| Present study (n = 15) | Previous study (n = 12) | |||||
| Catalase | 7 | 10 | 0 | 11 | 14 | 1 |
| Urease | 0 | 0 | 0 | 0 | 0 | 3 |
| Nitrate reduction | 11 | 12 | 0 | 0 | 16 | 2 |
| Indoxyl acetate hydrolysis | 1 | 1 | 11 | 12 | 0 | 1 |
| Cephalothin | 14 | 12 | 2 | 1 | 16 | 3 |
| Carbenicillin | 0 | 1 | 1 | 0 | 14 | 0 |
| Methyl orange | 8 | 12 | 0 | 5 | 16 | 1 |
| Sodium fluoride | 1 | 0 | 0 | 7 | 16 | 0 |
a
Data include unpublished results of S. L. W. On for two strains of canine origin.