gram negative bacilli

Gram Negative Bacilli

Those bacteria on gram staining produce red or pink colour rod shaped bacteria are called gram negative.

Rod shaped

1. Vibrio

a. Vibrio cholera

b. Non- cholera vibrio

2. Escherichia

Escherichia coli (E. coli); normal flora of intestine.

3. Salmonella

Salmonella typhi; typhoid fever 

4. Shingella

Dysentery

5. Klebsiella

Coliform bacilli causing UTI.

6. Proteus

Intestinal normal flora and opportunistic pathogen.

7. Compylobacter

Cause intestinal and extra intestinal disease.

8. Helicobacter

Helicobacter pylori

Cause ulceration of stomach.

9. Pseudomonas

Cause Nosocomial infection.

10. Klebsiella

1. Klebsiella pneumoniae

2. Klebsiella oxytoca