来自Lembeh海峡的海绵:抗菌活性和 prokaryotic 多样性
Akhirta Atikana1,2, Johanna Gutleben3, Nicole de Voogd4
1Laboratory of Microbiology, Wageningen University & Research, Stippeneng 4, 6708 WE, Wageningen, The Netherlands.
Journal of applied microbiology
|May 23, 2025
概括
来自印度尼西亚Lembeh海峡的海绵产生抗菌化合物,特定的细菌,如Actinobacteriota与这些特性相关. 这项研究突出了生物勘探的潜在新目标.
科学领域:
- 海洋微生物学 海洋微生物学
- 自然产品化学 自然产品化学
- 生物勘探是指生物勘探.
背景情况:
- 海洋海绵是生物活性天然产品的丰富来源.
- 了解海绵和它们相关的 prokaryotic 社区之间的共生关系对于发现新型抗菌化合物至关重要.
- 伦贝海峡是一个生物多样性的海洋生态系统,大部分海绵动物尚未被探索.
研究的目的:
- 评估来自Lembeh海峡的海洋海绵的抗菌潜力.
- 描述与这些海绵相关的 prokaryotic 多样性.
- 探索海绵抗菌活动及其微生物群落之间的相关性.
主要方法:
- 从62个海绵组织中提取二次代谢产物.
- 对一组致病性细菌和真菌进行抗微生物测试.
- 16S rRNA基因扩增序列测序用于海绵,海水和沉积物的微生物社区概况.
- 微生物群落组成和抗微生物活性之间的相关性分析.
主要成果:
- 来自Theonella sp.的海绵提取物. 呈现出强烈的抗微生物活性,对抗寄生虫Saprolegnia parasitica.
- 与它们的环境相比,在海绵中发现了不同的 prokaryotic 社区,受宿主身份的影响.
- 在Actinobacteriota类和海绵抗菌活性之间观察到显著的正相关性.
- 特定的微生物种群,包括候选类PAUC34f和Chloroflexota,与抗菌性质具有积极的相关性.
结论:
- 来自Lembeh海峡的海洋海绵是抗菌化合物的宝贵来源.
- 宿主身份在塑造海绵相关的 prokaryotic 社区中起着重要作用.
- 新型微生物种群,如候选属PAUC34f和Chloroflexota,是未来生物勘探工作的有希望的目标.
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