| A new acetogenic bacterium, Clostridium ljungdahlii, was named in recognition of Dr. Ljungdahl's groundbreaking research into acetogenesis. |
| In Peru, ballast water has been blamed for the introduction of a bacterium that causes cholera. |
| Typhoid fever is a serious infection caused by the bacterium Salmonella typhi. |
| After the patient takes the antibiotic, it is absorbed through the cell wall of the bacterium. |
| The cholera bacterium may also live in the environment in brackish rivers and coastal waters. |
| When exposed to an antigen, that is a virus or a bacterium, the body produces antibodies. |
