相关实验视频

Updated: Jul 12, 2025

Using Coculture to Detect Chemically Mediated Interspecies Interactions

Using Coculture to Detect Chemically Mediated Interspecies Interactions

Published on: October 31, 2013

双变一种菌株多种化合物设计扩大了Corallococcus coralloides中的二次代谢物生产空间

Anton Lindig¹, Jenny Schwarz¹, Georg Hubmann¹

¹Department of Biochemical and Chemical Engineering, TU Dortmund University, Emil-Figge-Straße 66, 44227 Dortmund, Germany.

|October 28, 2023

概括

这项研究发现,结合多种种植触发剂 (双变种OSMAC) 有效地激活了Corallococcus coralloides中静默的生物合成基因集群,揭示了新的自然产品. 这种方法扩大了对微生物二次代谢物的发现.

科学领域:

微生物学微生物学
自然产品的发现自然产品的发现
合成生物学合成生物学

背景情况:

菌Corallococcus coralloides拥有庞大的基因组,有许多未经特征的生物合成基因集群 (BGCs),编码潜在的新型天然产品.
激活这些BGC用于二次代谢物 (SM) 生产是具有挑战性的,因为未知的最佳种植条件限制了其生物合成潜力的探索.

研究的目的:

确定有效的培养策略,以激活C. coralloides.中沉默的BGC.
通过使用"一株多种化合物" (OSMAC) 方法刺激BGC,发现新的二次代谢物 (SMs).

主要方法:

在杜埃茨系统24孔板中应用了单变体和双变体"一个菌株多化合物" (OSMAC) 选.
生物添加剂和有机溶剂的组合,在不同的诱导条件下使用复杂或最小的介质.
通过使用质谱和分子网络分析细菌提取物中的新质量特征来评估BGC激活.

主要成果:

双变的OSMAC设计,同时使用多个诱导器,在激活BGCs方面表现出协同效应.
在双变量OSMAC实验中检测到55个新的质量特征,在单变量条件中没有观察到.
通过分子网络分析确定了潜在的新型天然化合物,包括N-酸脂肪胺和含硫产品.

结论:

使用组合诱导器的双变OSMAC设计是一种强大的策略,可以激活神秘的BGC并扩展微生物的二次代谢.
这种方法成功地释放了C. coralloides的生物合成潜力,为新型天然产品的发现铺平了道路.

关键词:

这是一个多因素的OSMAC.这种菌类的菌类是Myxobacteria.选方法选方法二次代谢产物二次代谢产物

更多相关视频

From a Natural Product to Its Biosynthetic Gene Cluster: A Demonstration Using Polyketomycin from Streptomyces diastatochromogenes Tü6028

From a Natural Product to Its Biosynthetic Gene Cluster: A Demonstration Using Polyketomycin from Streptomyces diastatochromogenes Tü6028

Published on: January 13, 2017

Assembly and Quantification of Co-Cultures Combining Heterotrophic Yeast with Phototrophic Sugar-Secreting Cyanobacteria

Assembly and Quantification of Co-Cultures Combining Heterotrophic Yeast with Phototrophic Sugar-Secreting Cyanobacteria

Published on: December 27, 2024

相关概念视频

Biosynthesis in Bacteria

Biosynthesis in Bacteria

Biosynthesis in bacteria is a fundamental anabolic process that generates essential macromolecules, including proteins, nucleic acids, lipids, and polysaccharides. These macromolecules are critical for cellular growth, replication, and function. The process is tightly regulated and energetically linked to catabolic pathways to ensure optimal resource utilization.Biosynthetic pathways begin with precursor metabolites such as pyruvate, acetyl-CoA, and glucose-6-phosphate derived from glycolysis,...

Other Stress Responses in Bacteria

Other Stress Responses in Bacteria

Bacteria have global regulatory systems that control several types of stress mechanisms. These include Pho regulon and the heat shock response, which are essential systems for environmental adaptation, such as nutrient limitation and proteotoxic stress. The Pho regulon and the heat shock response exemplify bacterial resilience, enabling rapid adaptation to fluctuating environmental conditions.Pho RegulonBacteria require phosphorus for essential cellular processes, including nucleic acid...