Table 1.
Non-Helicobacter pylori bacterial cultures of gastric biopsies
| Micro-organism | Culture condition1 | Colonized | Urease activity3 | Gram stain | ||
| I | II | III | patients (n)2 | |||
| Streptococcus | (54) | G+ | ||||
| Streptococcus pneumoniae | 3 | 10 | 11 | |||
| Streptococcus salivarius | 10 | 9 | 16 | |||
| Streptococcus anginosus | 3 | 3 | ||||
| Streptococcus oralis | 2 | 2 | ||||
| Streptococcus cristatus | 1 | 1 | ||||
| Streptococcus gordonii | 2 | 2 | ||||
| Streptococcus vestibularis | 1 | 1 | ||||
| Streptococcus spp. | 10 | 13 | 18 | |||
| Neisseria | (32) | G- | ||||
| Neisseria flavescens | 11 | 16 | 11 | 23 | ||
| Neisseria perflava | 2 | 1 | 1 | 3 | ||
| Neisseria macacae | 1 | 1 | ||||
| Neisseria sicca | 1 | 1 | ||||
| Neisseria spp. | 3 | 1 | 4 | |||
| Rothia | (29) | G+ | ||||
| Rothia mucilaginosa | 6 | 10 | 15 | |||
| Rothia dentocariosa | 3 | 1 | 4 | |||
| Rothia aeria | 1 | 1 | ||||
| Rothia spp. | 4 | 7 | 9 | |||
| Staphylococcus | (21) | G+ | ||||
| Staphylococcus epidermidis | 3 | 3 | 5 | 5 | ||
| Staphylococcus aureus | 3 | 4 | 5 | 3 | ||
| Staphylococcus capitis | 3 | 3 | 1 | |||
| Staphylococcus warneri | 2 | 1 | 3 | 3 | ||
| Staphylococcus cohnii | 2 | 2 | ||||
| Staphylococcus haemolyticus | 1 | 1 | ||||
| Staphylococcus spp. | 2 | 2 | ||||
| Lactobacillus | (9) | G+ | ||||
| Lactobacillus salivarius | 4 | 4 | ||||
| Lactobacillus oris | 2 | 2 | ||||
| Lactobacillus fermentum | 1 | 1 | ||||
| Lactobacillus spp. | 1 | 1 | 2 | |||
| Corynebacterium | (4) | G+ | ||||
| Corynebacterium argentoratense | 2 | 1 | 3 | |||
| Corynebacterium propinquum | 1 | 1 | 1 | |||
| Kingella | (3) | G- | ||||
| Kingella denitrificans | 2 | 2 | ||||
| Kingella spp. | 1 | 1 | ||||
| Others | ||||||
| Capnocytophaga ochracea | 3 | 3 | G- | |||
| Haemophilus parainfluenzae | 1 | 1 | 2 | G- | ||
| Acinetobacter lwoffii | 2 | 2 | G- | |||
| Klebsiella pneumoniae | 1 | 1 | 1 | G- | ||
| Cardiobacterium sp | 1 | 1 | G- | |||
| Actinomyces spp. | 2 | 2 | G+ | |||
| Micrococcus luteus | 1 | 1 | G+ | |||
| Weissella confusa | 1 | 1 | G+ | |||
| Aerococcus spp. | 1 | 1 | G+ | |||
| Bacillus spp. | 1 | 1 | G+ | |||
| Brevibacterium spp. | 1 | 1 | 1 | G+ | ||
| Total | 72 | 99 | 30 | 168 | ||
1
The number of bacterial strains isolated inI: Columbia blood agar incubated under aerobic condition; II: Columbia blood agar incubated under microaerophilic condition; III: Campylobacter agar under microaerophilic condition;
2
The number of patients colonized by the same genus is shown in parentheses;
3
The number of bacterial isolates with urease activity.