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author:

阙新桥 (阙新桥.) [1] | 林艺辉 (林艺辉.) [2] | 胡育龙 (胡育龙.) [3] | 肖剑萍 (肖剑萍.) [4] | 洪文荣 (洪文荣.) [5]

Indexed by:

PKU CSCD

Abstract:

【目的】定向改造庆大霉素产生菌绛红小单孢菌G1008,获得产G418单组分工程菌。【方法】以温敏型穿梭质粒p KC1139为载体,构建敲除基因genQ*重组质粒p QB303,通过接合转移,导入绛红小单孢菌G1008中,影印筛选和PCR鉴定genQ*框内缺失突变菌,利用TLC和MS分析其代谢产物组分。【结果】获得一株genQ*缺失工程菌Micromonospora purpurea GQ175,其代谢产物为G418单组分,生物效价达828 mg/L,与出发菌G1008的产抗能力相当。【结论】工程菌GQ175产G418单组分,具有很好的工业开发价值。同时,证明绛红小单孢菌G1008中,庆大霉素C...

Keyword:

G418 genQ~* 基因敲除 绛红小单孢菌

Community:

  • [ 1 ] 福州大学生物科学与工程学院

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Source :

微生物学通报

Year: 2015

Issue: 02

Volume: 42

Page: 307-314

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:

30 Days PV: 1

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