争夺铁的竞争形成了Bacillus subtilis和Pseudomonas marginalis之间的代谢对抗
Mark Lyng1, Johan P B Jørgensen1, Morten D Schostag2
1Bacterial Interactions and Evolution Group, DTU Bioengineering, Technical University of Denmark, Kgs Lyngby 2800, Denmark.
The ISME journal
|February 16, 2024
概括
细菌亚细菌 siderophore 细菌菌素 (BB) 控制细菌相互作用. BB通过抑制基因转录来抑制Pseudomonas marginalis的生长,显示出土壤细菌之间的保守对抗性.
科学领域:
- 微生物学 微生物学
- 社会微生物学 社会微生物学
- 植物与细菌之间的相互作用
背景情况:
- 赛德罗调解了与植物相关的微生物中的细菌相互作用和生物控制.
- 细菌和伪omonas属是土壤生态系统的关键参与者.
研究的目的:
- 研究Bacillus subtilis siderophorebacillibactin (BB) 在与Pseudomonas marginalis的对抗性中的作用.
- 了解这种相互作用的机制和特异性.
主要方法:
- 共同培养B. subtilis与P. marginalis. 这种植物.
- 分析响应BB的基因表达变化.
- 测试与其他Pseudomonas物种的相互作用.
主要成果:
- 由B. subtilis产生的细菌菌素 (BB) 抑制了P. marginalis殖民地扩散.
- 在P. marginalis中,BB抑制了histidine激酶基因 gacS的转录,从而取消了二次代谢物生产.
- 缺乏BB会影响B. subtilis的生长.
- 在不同的Pseudomonas物种中保留了对抗性.
结论:
- 菌素是B. subtilis和P. marginalis之间对抗性相互作用的关键决定因素.
- 这种相互作用涉及铁依赖调节,并影响微生物社区动态.
- 这种相互作用的保存性强调了它在土壤环境中的生态意义.
关键词:
这种细菌是 Bacillus subtilis.GacSA GacSA GacSA GacSA GacSA GacSA GacSA Gacsa Gacsa Gacsa Gacsa Gacsa Gacsa Gacsa Gacsa Gacsa Gacsa Gacsa Gacsa Gacsa Gacsa Gacsa伪omonas 是一个类型的.细菌巴克素是一种铁是铁,铁是铁,铁是铁.在 siderophore 的位置上.更多相关视频
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