高效降解青霉素菌的筛选鉴定及降解效果研究
Environmental Protection Science（2015）
Abstract
从哈尔滨制药总厂的青霉素发酵药渣中富集筛选出6株青霉素耐受菌株,经驯化后,采用高效液相色谱法检验其对青霉素的降解效率,经比较得到一株青霉素高效降解菌株,编号为JZ6.青霉素浓度300mg/L,30℃,pH6.7,121 r/min条件下恒温震荡培养24 h后,在青霉素做唯一碳源情况下,青霉素几乎不被降解,外加碳氮源后降解率可达到99.98％.对其进行电镜扫描和16SrDNA序列分析,鉴定其属于洋葱伯克霍尔德菌属(Burkholderia cenocepacia),16SrDNA序列长度为1451bp,在GenBank登录号为KF826288.
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