一个功能,许多面孔:贝叶斯网络元分析揭示了欧洲海洋和淡水鱼的肠道微生物组的功能融合
Federico Moroni1, Fernando Naya-Català1, Genciana Terova2
1Fish Nutrigenomics and Integrative Biology Group, Institute of Aquaculture Torre de la Sal (IATS, CSIC), 12595 Castellón, Spain.
Animals : an open access journal from MDPI
|October 16, 2025
概括
了解水产养殖中的肠道微生物群是可持续养殖鱼类的关键. 这项研究揭示了欧洲海和彩虹鱼的核心微生物群落及其功能,为鱼类健康监测提供了洞察力.
科学领域:
- 水生微生物学 水生微生物学
- 鱼类免疫学 鱼类免疫学
- 微生物组研究的研究.
背景情况:
- 肠道微生物群的组成受到饮食,环境和宿主遗传学的影响.
- 评估和监测微生物群与宿主相互作用对于水产养殖至关重要.
- 了解这些相互作用有助于开发可持续的水产养殖实践.
研究的目的:
- 分析欧洲海和彩虹鱼肠道微生物群的分类结构和功能潜力.
- 确定核心微生物群及其在社区组织中的作用.
- 探索核心微生物群对宿主新陈代谢的功能贡献.
主要方法:
- 肠道微生物群的分类学和功能分析.
- 贝叶斯网络分析,以了解微生物社区的相互作用.
- 在不同鱼类和环境中对微生物生物标志物的比较分析.
主要成果:
- 确定了核心微生物群 (海中的40个种类,鱼中的20种) 在社区组织中发挥着中心作用.
- 核心微生物群在微生物群落内表现出主要是积极的联系.
- 核心相关细菌占据了大多数预测的代谢途径,特别是在碳水化合物,氨基酸和维生素代谢中.
- 对于盐水和淡水物种,确定了不同的微生物生物标志物.
结论:
- 整合分类学,功能和基于网络的方法为监测水产养殖中的肠道健康和福利提供了实际的工具.
- 这些发现支持开发可持续的水产养殖生产战略.
- 特定的微生物种类可以作为养殖鱼类中不同生态表型的生物标志物.
相关概念视频
Applications of Molecular Taxonomy
506
Molecular taxonomy has revolutionized the understanding and classification of bacteria, providing precise insights into their diversity, evolutionary relationships, and ecological roles. By utilizing molecular techniques such as DNA sequencing and fingerprinting, researchers have made significant strides in various fields related to bacterial studies.Resolving Taxonomic AmbiguitiesMolecular taxonomy has been instrumental in distinguishing closely related bacterial species initially thought to...
506
Convergent Evolution
31.4K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
31.4K
Modern Molecular Taxonomy
580
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...
580
Evolutionary Relationships through Genome Comparisons
6.8K
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
6.8K
Multi-species Conserved Sequences
4.6K
Next-generation sequencing technologies have created large genomic databases of a variety of animals and plants. Ever since the human genome project was completed, scientists studied the genome of primates, mammals, and other phylogenetically distant living beings. Such large-scale studies have provided new insights into the evolutionary relationship between organisms.
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved...
Although the genome of each species varies greatly from each other, a few sequences are highly conserved. Such conserved...
4.6K
Diversity of Protists IV
746
Amoebozoa represent a diverse group of terrestrial and aquatic protists that utilize lobe-shaped pseudopodia for locomotion and feeding. This characteristic differentiates them from the Rhizaria, which possess threadlike pseudopodia. The primary classifications within Amoebozoa include gymnamoebas, entamoebas, and the plasmodial and cellular slime molds. Phylogenetic evidence indicates that Amoebozoa diverged from a lineage that ultimately gave rise to fungi and animals.Gymnamoebas and...
746


