Table 1

Mucosal microflora from patients with ulcerative colitis (UC) and toxicity of mucosal bacteria to Vero cell

Inflamed mucosa in UC (n=10)
OrganismNo of organisms*Detection rate (%)†Cytotoxicity to vero cell
*Mean log10 (number of organisms/g) in 10 specimens from the inflamed mucosa (means (SD)).
†Detection in 10 patients with the bacterium.
Enterococcus casseliflavus 310Negative
Enterococcus feacium 5.40 (1.04)30Negative
Escherichia coli 4.77 (0.03)20Negative
Staphylococcus epidermidis 4.3610Negative
Streptococcus sanguis 5.1510Negative
Bacteroides distasonis 4.76 (0.90)50Negative
Bacteroides fragilis 8.4810Negative
Bacteroides ovatus 4.2610Negative
Bacteroides uniformis 4.7110Negative
Bacteroides vulgatus 4.71 (0.51)50Negative
Clostridium clostridioforme 4.5110Negative
Clostridium ramosum 3.9710Negative
Eubacterium aerofaciens 5.5910Negative
Eubacterium lentum 4.56 (0.07)30Negative
Fusobacterium varium 4.75 (0.72)50Positive
Porphyromonas asaccharolytica 3.6610Negative
Prevotella oralis 4.17 (0.31)30Negative
Prevotella ruminicola 4.13 (0.23)30Negative
Veillonella alcalescens 4.5310Negative
Veillonella parvula 4.22 (0.62)20Negative