How does staph aureus become resistant to methicillin:
Correct Answer: Transpeptidase
Description: Ans. (c) TranspeptidaseRef: Microbiology by Ananthanarayan and Paniker 8th ed. /197, 201-202Resistance develops due to alteration in transpeptidase (penicillin binding protein) on which all beta lactam antibiotics act- so MRSA is resistant to all b-lactam antibiotics.
Category:
Microbiology
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