| To study these bacteria he grew them in glass Petri dishes on a substance called agar, in his laboratory. |
| He noted that only a subset of bacteria tend to be dominant in dental plaque. |
| In addition, toxigenic bacteria that have been implicated in sudden infant death syndrome do reside in used infant mattresses. |
| He likens these organisms to Russian dolls, with the original bacteria nestled deep within other organisms. |
| Staph bacteria can cause folliculitis, boils, scalded skin syndrome, impetigo, toxic shock syndrome, cellulitis, and other types of infections. |
| Some types of bacteria release poisons called toxins while they are multiplying in food. |
