other beta-lactam antibiotics such as penicillin , ampicillin , cephalexin , and piperacillin and non beta-lactam antibiotics such as fosfomycin , teichomycin , and vancomycin that inhibit cell wall synthesis did not show any effect on cell division for any of the mutants .
C0002680
ampicillin
C0031955
piperacillin