Question

Name a pathogenic bacterium.

Answer 1

Pathogen:

1. A pathogen is an organism that causes disease.
2. These include viruses, bacteria, fungi, protozoans and worms.

Pathogenic bacteria:

1. Chlamydophila, Ehrlichia, and Rickettsia are all obligatory intracellular parasites that can only grow and proliferate inside other cells.
2. Intracellular infections can take a long time to develop, even if they are asymptomatic.
3. One example is Rickettsia, the bacteria that causes typhus.
4. Rocky Mountain spotted fever is caused by another.
5. Chlamydia is parasitic bacteria that live inside cells. These bacteria have been linked to pneumonia and urinary tract infections, as well as coronary artery disease.
6. Salmonella, Neisseria, Brucella, Mycobacterium, Nocardia, Listeria, Francisella, Legionella, and Yersinia pestis are among the other intracellular bacterial pathogens.
7. These organisms have the ability to exist both within and outside of their host cells.