TABLE 3.
Nucleotide sequence similarity among 16S rRNA genes of Helicobacter speciesa
| Organism or strain | % Similarity or difference
|
|||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| pig- MN 1 | pig- MN 2 | pig- MN 3 | pig- MN 4 | MZ- 640285 | H. bilis | H. canadensis | H. canis | H. cinaedi | H. felis | H. fennenniae | H. flexispira taxon 3 | H. heilmannii | H. hepaticus | MIT 94-022 | H. pullorum | H. pylori | H. rodentium | H. salomonis | H. suis | |
| pig-MN 1 | 93.9 | 96.1 | 90.7 | 96.5 | 93.9 | 95.4 | 93.9 | 94.9 | 89.9 | 92.9 | 97.3 | 89.9 | 95.3 | 95.4 | 94.6 | 89.6 | 93.1 | 89.4 | 90.4 | |
| pig-MN 2 | 5.0 | 92.8 | 89.2 | 92.9 | 92.0 | 94.4 | 92.3 | 92.0 | 89.7 | 91.7 | 93.9 | 89.6 | 92.6 | 95.4 | 93.4 | 89.5 | 91.3 | 88.9 | 89.3 | |
| pig-MN 3 | 3.5 | 6.2 | 89.6 | 96.7 | 93.8 | 95.1 | 93.4 | 94.6 | 89.5 | 92.1 | 96.2 | 89.8 | 94.8 | 93.8 | 94.0 | 89.6 | 93.3 | 88.9 | 89.4 | |
| pig-MN 4 | 6.7 | 8.1 | 7.7 | 91.1 | 90.2 | 90.8 | 91.2 | 90.2 | 96.0 | 90.4 | 90.6 | 95.8 | 90.4 | 89.4 | 90.8 | 94.2 | 90.0 | 95.0 | 99.5 | |
| MZ-640285 | 2.9 | 6.2 | 2.4 | 6.3 | 96.6 | 96.6 | 95.9 | 97.5 | 91.2 | 94.4 | 97.9 | 91.6 | 95.3 | 95.1 | 97.0 | 91.9 | 96.0 | 90.4 | 91.1 | |
| H. bilis | 5.2 | 7.1 | 5.2 | 7.3 | 3.3 | 95.3 | 98.6 | 98.6 | 90.5 | 95.0 | 95.4 | 90.0 | 96.6 | 95.0 | 96.0 | 91.9 | 95.3 | 89.1 | 90.2 | |
| H. canadensis | 3.7 | 5.4 | 3.9 | 6.6 | 2.7 | 3.9 | 95.6 | 95.2 | 90.7 | 93.8 | 97.6 | 91.2 | 96.3 | 96.0 | 97.2 | 92.4 | 95.7 | 90.0 | 90.8 | |
| H. canis | 5.2 | 6.9 | 5.2 | 7.1 | 3.3 | 0.9 | 3.6 | 97.7 | 91.4 | 94.7 | 95.4 | 91.3 | 96.3 | 94.7 | 95.7 | 92.8 | 95.2 | 90.3 | 91.2 | |
| H. cinaedi | 4.4 | 7.0 | 4.6 | 7.2 | 2.4 | 1.2 | 4.1 | 1.8 | 90.2 | 94.5 | 96.4 | 90.0 | 96.3 | 94.7 | 95.3 | 91.0 | 95.4 | 88.7 | 90.2 | |
| H. felis | 7.2 | 7.9 | 7.6 | 3.5 | 6.1 | 6.8 | 6.4 | 6.4 | 7.2 | 89.9 | 90.2 | 98.4 | 90.7 | 89.6 | 91.2 | 94.6 | 90.2 | 97.4 | 96.0 | |
| H. fennenniae | 5.0 | 6.3 | 5.5 | 6.2 | 4.2 | 3.4 | 4.3 | 3.3 | 3.9 | 6.2 | 92.9 | 89.8 | 94.3 | 93.4 | 94.5 | 91.0 | 93.7 | 89.3 | 90.2 | |
| H. flexispira taxon | 2.1 | 5.7 | 3.0 | 6.7 | 1.6 | 3.9 | 2.2 | 3.9 | 3.1 | 7.0 | 5.1 | 90.3 | 95.7 | 96.1 | 95.4 | 90.8 | 94.6 | 89.4 | 90.6 | |
| H. heilmannii | 7.3 | 7.9 | 7.4 | 3.8 | 5.9 | 7.2 | 6.1 | 6.5 | 7.3 | 1.5 | 6.4 | 6.9 | 90.7 | 90.3 | 91.9 | 94.6 | 90.3 | 97.8 | 95.8 | |
| H. hepaticus | 4.5 | 6.3 | 4.8 | 6.9 | 3.8 | 2.6 | 3.0 | 3.0 | 3.1 | 6.5 | 3.4 | 3.7 | 6.4 | 95.4 | 94.6 | 91.2 | 93.9 | 89.9 | 90.4 | |
| MIT 94-022 | 3.6 | 3.9 | 5.0 | 7.1 | 3.9 | 4.1 | 3.3 | 4.3 | 4.4 | 6.8 | 4.5 | 3.7 | 6.3 | 3.5 | 94.6 | 90.9 | 92.7 | 89.0 | 89.2 | |
| H. pullorum | 4.1 | 5.4 | 4.5 | 6.3 | 2.3 | 3.3 | 1.8 | 3.2 | 3.9 | 5.6 | 3.6 | 3.4 | 5.2 | 3.9 | 3.6 | 92.8 | 95.9 | 90.6 | 90.8 | |
| H. pylori | 7.4 | 7.6 | 7.3 | 5.2 | 5.6 | 5.6 | 4.9 | 5.3 | 6.4 | 4.8 | 5.6 | 6.3 | 4.9 | 5.8 | 5.9 | 4.2 | 91.9 | 94.0 | 94.1 | |
| H. rodentium | 5.7 | 7.3 | 5.6 | 7.1 | 3.7 | 4.2 | 3.4 | 4.0 | 4.2 | 6.6 | 4.6 | 4.6 | 6.4 | 4.9 | 5.4 | 3.4 | 5.3 | 89.0 | 90.0 | |
| H. salomonis | 7.8 | 8.4 | 8.2 | 4.7 | 6.9 | 7.7 | 7.1 | 7.1 | 8.0 | 2.4 | 6.8 | 7.7 | 1.9 | 7.0 | 6.9 | 6.2 | 5.4 | 7.4 | 94.8 | |
| H. suis | 7.1 | 8.1 | 7.8 | 0.4 | 6.4 | 7.4 | 6.7 | 7.2 | 7.3 | 3.6 | 6.5 | 6.8 | 3.9 | 7.0 | 7.4 | 6.4 | 5.2 | 7.2 | 4.9 | |
a
The values above the diagonal are uncorrected percent similarity, and the values below the diagonal are percent difference corrected for multiple base changes by the Clustal method. MZ-640285 and MIT 94-022 are Helicobacter sp. strains.