10 Questions
Which type of Streptococcus bacteria produces streptolysin O?
Group A only
What is the main function of streptolysin O?
To cause hemolysis
What can increased levels of ASO titre in the blood cause?
Damage to the heart and joints
What does ASO stand for?
Anti-Streptolysin O
What is ASO used for in diagnosis and follow up?
To detect streptococcal infections
Which type of streptococcal bacteria produces streptolysin O?
Groups A, C, and G
What is the main function of streptolysin O?
To cause hemolysis
What can increased levels of ASO titre in the blood indicate?
Past or present infection
What does ASO stand for?
Antibody against Streptolysin O
What is the other related toxin to streptolysin O?
Streptolysin B
Study Notes
Streptococcus Bacteria and Toxins
- Streptolysin O is produced by beta-hemolytic streptococci, specifically Group A Streptococcus (GAS).
- The main function of streptolysin O is to cause hemolysis, or the breakdown of red blood cells.
ASO Titre and Diagnosis
- ASO stands for Antistreptolysin O.
- Increased levels of ASO titre in the blood can indicate a past infection with beta-hemolytic streptococci, specifically Group A Streptococcus (GAS).
- ASO is used in diagnosis and follow-up to monitor the body's immune response to streptococcal infections, such as rheumatic fever.
Related Toxins
- Streptolysin S is the other related toxin to streptolysin O.
Test your knowledge of Anti-streptolysin O (ASO) with this quiz! Learn about the antibody made against streptolysin O, its function, and its association with different strains of Streptococcus bacteria. Challenge yourself and expand your understanding of this important immunogenic exotoxin.
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