A boy with skin ulcer on leg, culture reveals beta hemolysis. Cultures from school children with sore throat some days back also revealed beta hemolysis. What is the similarity between both:
Correct Answer: C carbohydrate antigen is same
Description: Both of above mentioned conditions are caused by Group A STREPTOCOCCUS . Option 1 mec A gene Found in bacterial cells Responsible for resistance to antibiotics such as methicillin, penicillin, erythromycin, tetracycline The most commonly known carrier of the mec A gene is MRSA. Option 2, 4 Strains causing skin infection and throat infection are different and belong to different 'M' serotypes. Option 3 The carbohydrate 'C' antigen is group specific, i.e. beta- hemolytic group A Streptococci (Str. pyogenes) have same 'C' antigen.
Category:
Microbiology
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