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author:

严凌斌 (严凌斌.) [1] | 洪文荣 (洪文荣.) [2] | 方志锴 (方志锴.) [3] | 封成军 (封成军.) [4]

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PKU CSCD

Abstract:

目的构建绛红色小单孢菌(Micromonospora purpurea)的接合转移体系,并对该体系进行优化。方法以绛红色小单孢菌G1008染色体DNA为模板,经PCR扩增甲基化酶基因gntK的上下游序列各2000bp左右作为同源交换臂,并将红霉素抗性基因作为筛选标记插入两交换臂之间。以温敏型质粒pKC1139作为基本载体,构建重组质粒pFD306。借助接合转移技术,将该质粒导入绛红色小单孢菌G1008。结果经抗性筛选,得到一株阳性菌株,命名为GK1008,经PCR鉴定和测序,验证了重组质粒已整合到染色体上。GK1008菌株对红霉素和安普霉素的抗性均超过500μg/mL。结论绛红色小单孢菌接合转...

Keyword:

庆大霉素 接合转移 绛红色小单孢菌

Community:

  • [ 1 ] 福州大学生物科学与工程学院
  • [ 2 ] 常州方圆制药有限公司

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Source :

中国抗生素杂志

Year: 2011

Issue: 12

Volume: 36

Page: 899-904

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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