Table 4.
Predominant bacteria identified by 16S rDNA sequence analysis
| Bacteria species | Water cooler | Tap water | Opportunistic pathogen |
|---|---|---|---|
| Bacillus sp. | + | .... | |
| Bacillus cereus | + | .... | * |
| Bacillus safensis | + | + | |
| Bacillus licheniformis | + | .... | * |
| Microbacteriumparaoxydans | + | .... | |
| Mycobacterium conceptionense | + | + | * |
| Sphingomonas sp. | + | .... | * |
| Sphingomonas ginsenosidimutans | + | .... | |
| Blastomonas natatoria | + | + | |
| Porphyrobacter donghaensis | + | + | |
| Phenylobacterium lituiforme | + | + |