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author:

林强 (林强.) [1] | 陈洲琴 (陈洲琴.) [2] | 阙新桥 (阙新桥.) [3] | 洪文荣 (洪文荣.) [4]

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Abstract:

为更好生产单组分庆大霉素C2a,拟构建一株主产庆大霉素C2a的工程菌.通过序列比对分析,锁定genB2为构建该工程菌的关键基因.以绛红小单孢菌G1008基因组为模板,PCR扩增genB2的上下游序列为同源交换臂,构建同源重组质粒pZB303.通过接合转移,将质粒pZB303导入绛红小单孢菌G1008,安普抗性及PCR扩增筛选得到一株genB2框内缺失工程菌GB102.发酵并提取代谢产物,再经TLC,HPLC,MS分析.结果表明,工程菌GB102主要积累庆大霉素C2a.有望用于生产单组分庆大霉素C2a.

Keyword:

genB2 庆大霉素C2a 绛红小单孢菌

Community:

  • [ 1 ] 福州大学生物科学与工程学院,福建福州350116

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Source :

宁夏大学学报:自然科学版

ISSN: 0253-2328

Year: 2016

Issue: 1

Volume: 37

Page: 90-93

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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