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STREPTOCOCCI AND ENTEROCOCCI

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Question:

Cellular structure of S.pyogenes/ group A BETA- hemolytic streptococci

Author: Sage



Answer:

Contains A-polyssacharide. which makes up 10%(relatively high) of its dry weight. it consist of polymer of L-rhamnose and N acetyl-D-glucosamine in a 2:1 ratio. Antigenic components: linked by phosphate containing bridges to peptidoglycan which consist of N-glutamin acid, L-lysine and D and L- alanine.


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Sage
Sage