甘草细胞在搅拌式生物反应器中的放大培养

被引:18
作者
李雅丽
孟婷婷
王毛毛
李晓雪
李蓉蓉
郭晓强
机构
[1] 内蒙古科技大学数理与生物工程学院
关键词
甘草细胞; 生物反应器; 摇瓶培养; 生长特性;
D O I
10.13592/j.cnki.ppj.2014.0493
中图分类号
Q943.1 [植物细胞的离体培养];
学科分类号
071007 [遗传学];
摘要
在建立了稳定的甘草细胞搅拌式生物反应器放大培养体系的基础上,本文研究了甘草细胞在搅拌式反应器中悬浮培养的生长特性,包括细胞生长、细胞膜的透性、培养体系的p H变化及甘草黄酮合成情况等,并与摇瓶培养作比较。结果发现,同等条件下,反应器中培养细胞生物量的积累低于摇瓶培养,整个培养周期较摇瓶培养缩短。培养过程中同一时间段反应器中的p H值略低于摇瓶中的p H,细胞中H2O2的浓度是摇瓶中的1.8倍,甘草黄酮的产量是摇瓶培养的1.5倍,表明反应器中机械搅拌与流体剪切的培养环境对细胞生长起到一定程度的抑制作用,但刺激了细胞次生代谢产物甘草黄酮较高水平的合成。
引用
收藏
页码:302 / 306
页数:5
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