Why did methicillin resistance lag behind penicillin resistance

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02-05-2017
Biology

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Why did methicillin resistance lag behind penicillin resistance

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gradman555p98x9p gradman555p98x9p · Answer 1 · 2019-01-16T21:31:41+01:00

Methicillin is the leader in penicillin M.

Penicillins in group M are bactericidal antibiotics of the beta lactam family. Bacteria have developed penicillinases to make these antibiotics ineffective. In contrast to penicillins in group "G" and "V", penicillins in group M are resistant to penicillinases of staphylococci. This explains the relative efficacy and the lagging of resistance against this group of penicillin compared to other groups.