对Lentilactobacillus kefiri DH5的基因组规模模型重建策略的评估和解读其代谢网络
Maryam A Esembaeva1, Mikhail A Kulyashov1, Tatiana S Sokolova1
1Department of Computational Biology, Scientific Center of Genetics and Life Sciences, Sirius University of Science and Technology, 354340 Sirius, Russia.
Metabolites
|December 24, 2025
概括
我们创建了第一个基因组规模的代谢模型,用于*Lentilactobacillus kefiri* DH5.5. 这个模型准确地代表了它独特的异质发酵代谢,包括一个新的葡萄糖分流通道.
科学领域:
- 微生物的新陈代谢
- 系统生物学 系统生物学
- 生物信息学是一种生物信息学.
背景情况:
- 基因组规模的代谢模型 (GSM) 对于预测微生物生理学至关重要.
- 属Lentilactobacillus,包括Lentilactobacillus kefiri* DH5,仍然没有得到充分的研究.
- 目前对*L. kefiri* DH5没有GSM存在,这种细菌具有独特的氧化还原代谢.
研究的目的:
- 开发了第一个用于*L. kefiri* DH5.5的GSM.
- 评估各种GSM重建工具.
- 描述其异种发酵代谢的代谢途径.
主要方法:
- 从*L. kefiri* DH5基因组注释中使用五种重建工具生成了GSMs草案.
- 在共识数据模型 (CDM) 上填补空白,并使用MEMOTE评估质量.
- 使用COBRApy库手动策划的模型.
主要成果:
- 来自KBase的模型显示出优越的质量和代谢物生产潜力.
- 手动愈纠正了代谢途径,并通过D-gluconate确定了另一种葡萄糖分流.
- 这种途径解决了氧化还原失衡,使得可以准确预测异种发酵代谢.
结论:
- 成功开发并策划了第一个用于*L. kefiri* DH5.5的GSM.
- 重建工具的选择对模型质量和预测准确性产生重大影响.
- 通过葡萄可诺拉克提出了另一种葡萄糖同化途径,解决了氧化还原不平衡,并使异质发酵代谢表现成为可能.
关键词:
D-葡萄糖酸盐的使用方法FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA FBA这是GSM的GSM.实验室 实验室 实验室 实验室兰氏杆菌克菲里 (Lentilactobacillus kefiri) 是一种植物.代谢建模的代谢建模更多相关视频
11:04Author Spotlight: Methods for Electroporation and Transformation Confirmation in Limosilactobacillus reuteri DSM20016
Published on: June 23, 2023
4.9K
12:47Workflow Based on the Combination of Isotopic Tracer Experiments to Investigate Microbial Metabolism of Multiple Nutrient Sources
Published on: January 22, 2018
9.9K
相关概念视频
Overview of Metabolism
37.5K
Living cells constantly carry out various chemical reactions which are necessary for their proper functioning. These reactions are interlinked to one another via multiple pathways. The collection of these chemical reactions is known as metabolism.
Plant Metabolism
Sunlight, the primary source of energy in plants, is first absorbed by the chlorophyll pigments present in their leaves. Plants then use this energy to carry out photosynthesis, where water is oxidized into oxygen and carbon dioxide...
Plant Metabolism
Sunlight, the primary source of energy in plants, is first absorbed by the chlorophyll pigments present in their leaves. Plants then use this energy to carry out photosynthesis, where water is oxidized into oxygen and carbon dioxide...
37.5K
Inducible Operons: lac Operon
1.3K
The lac operon in Escherichia coli is a model for understanding inducible gene regulation and metabolic flexibility. It integrates local control by lactose and global regulation through catabolite repression, enabling E. coli to preferentially metabolize glucose when available and switch to lactose utilization when glucose is scarce.Structure and Function of the lac OperonThe lac operon contains three structural genes: lacZ (β-galactosidase), lacY (lactose permease), and lacA...
1.3K
Modern Molecular Taxonomy
541
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
541
