Fig. 1.
Diffuse adherence to a human laryngeal carcinoma HEp-2 cells. Giemsa stain. Magnification 100x.
Table I
Family Afa/Dr adhesins
| Adhesin | Type | Host | Collagen type IV1 | hDAF2 | hCEACAM3, CEA4 |
|---|---|---|---|---|---|
| AfaE-I | afimbrial | human | – | + | – |
| AfaE-II | afimbrial | human | ND | + | ND |
| AfaE-III | afimbrial | human | – | + | + |
| AfaE-V | afimbrial | human | ND | + | ND |
| AfaE-VII | afimbrial | cattle | ND | – | ND |
| AfaE-VIII | afimbrial | human, animals | ND | – | ND |
| Dr | fimbria | human | + | + | + |
| Dr-II | afimbrial | human | – | + | – |
| F1845 | fimbria | human | – | + | + |
| NFA-1 | afimbrial | human | ND | + | ND |
| AAF-I – AAF-III | fimbria | human | ND | ND | ND |
| HdaA | fimbria | human | ND | ND | ND |
11 collagen type IV is the basic structural component of the extracellular matrix of the basal lamina on which epithelial cells reside, produced by epithelial cells;
33 hCEACAM-1 and hCEACAM-6 human carcinoembryogenic antigen related cell adherence molecules-1 and -6;
44 CEA, carcinoembryogenic antigen; ND, not determined. Based on [68].
Fig. 2.
Receptors for DAEC strains pathogenic to humans.
Fig. 3.
Diagram of the division of E. coli strains with diffuse type of adhesion.