Salmonella 😱

Question 1

What is the Feature of Salmonella ?

Answer 1

1- True Human Pathogen 
2- Gram negative bacilli
3- Motile 
4- Non-lactose fermenter (NLF)  
5- multiply within macrophages , in the phagosome ( intracellular pathogen)

Question 2

What is the Classification of Salmonella ?

Answer 2

1- Intestinal: Salmonella causing food poisoning ( S.enteritidis, S. typhimurium )
2- Extra-Intestinal ( S. cholerae suis )
3- Both: Salmonella Causing enteric fever ( typhi, paratyphi )

Question 3

What id the example Salmonella Causing enteric fever ?

Answer 3

(typhi, paratyphi)

Question 4

What is the salmonella food poisoning?

Answer 4

1- Salmonella typhimurium

2- Salmonella enteritidis

Question 5

Give example of Salmonella Bacteremia With Focal Lesions ( Extra- intestinal ) ?

Answer 5

Salmonella cholerasuis

Question 6

List two virulence factors of salmonella typhi ?

Answer 6

1- intracellular pathogen, multiply within macrophages in the phagosome.
2- Capsule formation (Vi) of Salmonella typhi, which has antiphagocytic.
3- Phase variation of H antigens (flagella)→ to overcome the immune system.