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author:

李亮 (李亮.) [1] | 林娟 (林娟.) [2] | 叶秀云 (叶秀云.) [3]

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Abstract:

采用基因组重排法选育高产洛伐他汀红曲菌株.原生质体制备条件:溶壁酶1.0%(质量分数),菌丝菌龄66 h,酶解时间3 h,酶解温度30℃,高渗磷酸盐缓冲液pH值为6.0,再生培养基的渗透压稳定剂为0.6 mol·L^-1NaCl;原生质体灭活条件:紫外灭活120 s,微波灭活300 s;原生质体融合条件:PEG 30%(质量分数),Ca~(2+)0.03 mol·L^-1,30℃融合12 min,原生质体融合率1.95%.以经紫外和微波诱变得到的正突变菌株为亲本进行三轮基因组重排,获得一株遗传稳定、高产洛伐他汀菌株R″-30,洛伐他汀产量较原始菌株SH2-7提高52%。

Keyword:

基因组重排 洛伐他汀 红曲霉 选育

Community:

  • [ 1 ] 福州大学福建省海洋酶工程重点实验室,福建福州350116

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Source :

福州大学学报:自然科学版

ISSN: 1000-2243

CN: 35-1337/N

Year: 2017

Issue: 5

Volume: 45

Page: 754-760

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: -1

30 Days PV: 0

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