在生长过程中对Bacillus subtilis DB104进行时间过程转录组分析.
Ji-Su Jun1, Hyang-Eun Jeong1, Su-Yeong Moon1
1Department of Food Science and Biotechnology, College of Life Science and Biotechnology, Dongguk University, Goyang-si 10326, Republic of Korea.
Microorganisms
|August 26, 2023
概括
这项研究监测了Bacillus subtilis DB104在生长过程中的基因表达变化. 关键的发现揭示了与化启动相关的代谢转变和应激反应,影响了重组蛋白质的产生.
科学领域:
- 微生物学 微生物学
- 分子生物学分子生物学
- 生物技术是生物技术.
背景情况:
- 细菌DB104对重组蛋白质表达至关重要.
- 了解基因表达动态对于优化细菌菌株商业化至关重要.
- 转录组和蛋白质组分析是研究微生物基因组反应的关键.
研究的目的:
- 为了监测Bacillus subtilis DB104在完整介质上生长期间的基因表达变化.
- 根据表达模式识别和分类差异表达基因 (DEGs).
- 阐明基因表达,分泌和西格玛因子功能之间的关系.
主要方法:
- 对 Bacillus subtilis DB104.10 的转录组分析.
- 使用了KEGG路径分析,K-平均集群和基因本体学 (GO) 丰富分析.
- 研究了西格玛因子在基因调节中的作用.
主要成果:
- 鉴定了2122个DEG,并根据表达模式将其分为10个组.
- 在指数增长过程中,ABC载体基因被下调.
- 观察到代谢转变,压力反应和脂质代谢,与分泌开始和编程细胞死亡有关.
结论:
- 在Bacillus subtilis DB104中基因表达的变化受到化启动的显著影响.
- 西格玛因子在调节子外套基因表达的时间方面发挥着特定的作用.
- 这项研究提供了一个全面的视图的转录调节在生长过程中 Bacillus subtilis.
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