TABLE 1.
Prevalence of non-Helicobacter pylori spiral organisms in gastric samples from humans (n = 123), dogs (n = 110), and cats (n = 43)
| Helicobacter speciesa | No. (%) of multiplex PCR-positive samples from:
|
||
|---|---|---|---|
| Humans | Dogs | Cats | |
| Helicobacter felis only | 11 (8.9) | 4 (3.6) | 4 (9.3) |
| Helicobacter bizzozeronii only | 3 (2.4) | 22 (20.0) | 0 |
| Helicobacter salomonis only | 14 (11.4) | 0 | 0 |
| “Candidatus Helicobacter suis” only | 38 (30.9) | 0 | 1 (2.3) |
| HLO135 only | 9 (7.3) | 4 (3.6) | 5 (11.6) |
| Helicobacter bizzozeronii + Helicobacter felis | 1 (0.8) | 23 (20.9) | 3 (7.0) |
| Helicobacter bizzozeronii + HLO135 | 0 | 5 (4.5) | 4 (9.3) |
| Helicobacter felis + HLO135 | 1 (0.8) | 6 (5.4) | 11 (25.6) |
| Helicobacter bizzozeronii + Helicobacter salomonis | 1 (0.8) | 2 (1.8) | 0 |
| Helicobacter felis + Helicobacter salomonis | 4 (3.3) | 0 | 0 |
| “Candidatus Helicobacter suis” + Helicobacter salomonis | 6 (4.9) | 0 | 0 |
| Helicobacter bizzozeronii + Helicobacter felis + HLO135 | 0 | 17 (15.5) | 8 (18.6) |
| Helicobacter bizzozeronii + Helicobacter felis + Helicobacter salomonis | 0 | 6 (5.4) | 0 |
| Helicobacter felis + Helicobacter salomonis + HLO135 | 0 | 0 | 1 (2.3) |
| Helicobacter felis + Helicobacter salomonis + “Candidatus Helicobacter suis” | 1 (0.8) | 0 | 0 |
| Helicobacter bizzozeronii + Helicobacter felis + Helicobacter salomonis + HLO135 | 0 | 2 (1.8) | 0 |
| None (negative) | 34 (27.6) | 19 (17.3) | 6 (14.0) |
a
HLO135 is a newly identified Helicobacter-like organism based on the length of the tRNA intergenic spacer.