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author:

管玉霞 (管玉霞.) [1] | 孙甲贤 (孙甲贤.) [2] | 王静 (王静.) [3] | 郑遵纪 (郑遵纪.) [4]

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Abstract:

采用庆大霉素产生菌—绛红小单孢菌(M.purpurea)在培养36h时添加15μg/ml的青霉素,对培养至48h对数生长期的菌体进行紫外线照射+亚硝基胍复合处理,置培养箱中37℃培养5~8d待长出菌落后再用紫外线照射叠加处理,获得一高产菌株N-14。试管发酵生测效价1913u/ml(对照625u/ml);摇瓶发酵培养120h达2178(u/ml),比对照(1243u/ml)提高75.2%;并进行了5L发酵罐发酵培养,发酵过程中测定了发酵液还原糖、总糖、氨基氮、pH、菌体浓度等代谢参数,探索了适合N-14的培养条件,连续5批次生测效价平均1967u/ml,较对照1171u/ml提高了68%,效果明显。

Keyword:

代谢参数 叠加诱变 生测效价 绛红小单孢菌

Community:

  • [ 1 ] 福州大学生物科学与工程学院,福州350002

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Source :

中国生物工程杂志

ISSN: 1671-8135

Year: 2011

Issue: 4

Volume: 31

Page: 77-82

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: 1

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