Virulence factors of Bacillus anthracis include the following EXCEPT?a.Vi antigenb.Lethal factorc.Oedema factord.Capsule
Question
Virulence factors of Bacillus anthracis include the following EXCEPT?
a. Vi antigen
b. Lethal factor
c. Oedema factor
d. Capsule
Solution
To determine the virulence factors of Bacillus anthracis, it is essential to analyze the options provided.
- Vi antigen: This is associated with Salmonella species and is not a factor related to Bacillus anthracis.
- Lethal factor: This is a component of anthrax toxin and contributes to the virulence of Bacillus anthracis.
- Oedema factor: Another component of anthrax toxin that plays a critical role in the disease's pathogenesis.
- Capsule: Bacillus anthracis has a protective capsule that helps it evade the host's immune response.
Final Answer
a. Vi antigen is the correct option as it is not a virulence factor of Bacillus anthracis.
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