The major ESBLs encoding gene is CTX-M-type, and some strains carrying two or more than two types of drug resistance genes.
基因型以CTX-M型为主，有些菌株同时携带两种或两种以上耐药基因；
Objective to investigate the correlation between phenotypic confirmatory by double disc test and genotype of CTX-M-enzymes detected by multiplex polymerase chain reaction (PCR).
目的了解采用双纸片协同法进行CTX - M酶的表型检测与多重pcr法检测基因型的相关性。
The weights of spleen and thymus in Fb and M groups were increased, and the body weights of mice in Fb and M groups were increased remarkably than that in CTX group(P<0.01).
正常给药组和伍用组主要免疫器官脾脏和胸腺重量高于免疫抑制组，且小鼠体重增长也明显高于免疫抑制组（P<0.01）；
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