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Abstract:
通过敲除妥布霉素生物合成基因tobS1-C,定向选育阿泊拉霉素高产菌株。PCR扩增tobS1-C基因上下游同源序列和红霉素抗性基因ermE,构建穿梭载体pSH6,利用接合转移法转化黑暗链霉菌Tt49,经同源重组,敲除tobS1-C两基因序列,共2 484 bp,获得框内删除突变株黑暗链霉菌T103(△tobS1C)。发酵验证表明突变株不再合成妥布霉素,只合成阿泊拉霉素。
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Source :
中国药科大学学报
ISSN: 1000-5048
Year: 2012
Issue: 1
Volume: 43
Page: 92-96
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count: -1
30 Days PV: 0
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