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author:

林强 (林强.) [1] | 陈洲琴 (陈洲琴.) [2] | 胡育龙 (胡育龙.) [3] | 洪文荣 (洪文荣.) [4]

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PKU CSCD

Abstract:

【目的】在绛红色小单孢菌G1008(Micromonospora purpurea G1008)上构建genA基因缺失工程菌,通过分析其次级代谢产物的变化,推测genA基因功能。【方法】构建用于gen A基因框内敲除的质粒pAB103,经接合转移导入绛红色小单孢菌G1008,安普抗性及PCR扩增筛选获得genA缺失工程菌GA1048。【结果】与出发菌G1008相比,工程菌GA1048不再合成庆大霉素C族组分,主要积累中间代谢产物庆大霉素A2。【结论】genA基因失活导致庆大霉素生物合成代谢流中断,暗示gen A基因参与加洛糖胺C-3″位的氨甲基化。

Keyword:

genA 庆大霉素A2 绛红色小单孢菌

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: 300-306

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: 2

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