液体LB培养基每升10g胰化蛋白胨(Tryptone)5g酵母提取物(Yeastextract)5gNaCl1ml1mol/LNaOH调pH至7.4用去离子水定容至1L.高压下蒸汽灭菌20min.固体LB平板培养基每升10g胰化蛋白胨(Tryptone)5g酵母提取物(Yeastextract)5gNaCl15g琼脂或者琼脂糖1ml1mol/LNaOH调pH至7.4用去离子水定容至1L.高压下蒸汽灭菌20min.氨苄青霉素浓度为Amp50~100ug/ml,培养基高压灭菌后再加入。氨苄青霉素储存液的浓度为4mg/ml