Virulence factors of S. pyogenes include: a. spiky M proteins. b. hyaluronic acid capsule. c. polysaccharides on the cell wall.
d.vlipoteichoic acid. e. All of the choices are correct.
1 answer:
Answer: Option E.
All of the above.
Explanation:
Streptococci pyogenes is a disease caused by streptococci bacteria. These bacteria are gram positive ,non sporeforming and non motile.
The virulence factors are substance produced by bacteria to ensure their effective attack.
The virulence factors of S. Pyogenes are;
Spiky M proteins and lipoteichoic acids which they use as attachment to host organisms.
Hyaluronic capsule which the use to slow or inhibit phagocytosis.
Polysaccharide cell wall which causes the rash of scarlet fever.
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