中心复合设计,以优化Streptomyces tenjimariensis产生的伊斯坦素生产
Fatma Alzahraa M Gomaa1,2, Heba Mohammed Refat M Selim3, Mohammad Y Alshahrani4
1Department of Pharmacognosy and Medicinal Herbs, Faculty of Pharmacy, Al-Baha University, 65779, Al-Bahah, Saudi Arabia.
World journal of microbiology & biotechnology
|September 9, 2024
概括
有效的氨基甘油酸抗生素伊斯塔米辛 (ISM) 通过优化环境条件显著增加了产量. 使用中央复合设计 (CCD) 的统计优化实现了ISM收益率的31倍增长.
科学领域:
- 微生物学 微生物学
- 生物技术是生物技术.
- 抗生素生产 抗生素生产
背景情况:
- 伊斯塔米辛 (ISM) 是一种由Streptomyces tenjimariensis ATCC 31603.3产生的宽谱氨基糖类抗生素 (AGAs).
- ISM对临床相关的病原体具有杀菌活性,使其成为有价值的治疗剂.
研究的目的:
- 在统计学上优化环境条件,以提高伊斯塔米辛 (ISM) 产量.
- 研究培养介质,化时间,化,pH,温度和碳酸度对ISM产量的影响.
主要方法:
- 一个因素一次 (OFAT) 方法来研究初始参数.
- 中央复合设计 (CCD) 使用响应表面方法 (RSM) 进行多变量优化.
- 优化模型的实验验证.
主要成果:
- 优化的介质 (氨基糖化物生产和原质细胞再生) 和条件 (6天的潜伏期,每分钟200转的动) 显著提高了生产力.
- CCD模型确定了最佳的初始pH值 (6.38),化温度 (30°C) 和5.3%的CaCO3度.
- 实验验证的结果是,与未经优化条件相比,ISM生产增加了31倍.
结论:
- 中央复合设计 (CCD) 是一个有效的工具,可以优化在摇瓶层面的伊斯塔米辛 (ISM) 生产.
- 优化的条件需要在工业应用的发酵器中进行大规模验证.
- 环境因素对Streptomyces tenjimariensis ATCC 31603.3的ISM生产有很大的影响.
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