病原体FAIR:是一组FAIR和适应性 (元基因组学) 工作流程,用于检测和跟踪 (食源) 病原体
Engy Nasr1, Anna Henger2, Björn Grüning1
1Bioinformatics Group, Department of Computer Science, University of Freiburg, 79110 Freiburg im Breisgau, Germany.
GigaScience
|September 26, 2025
概括
病原GFAIR是一种新的工作流程,用于使用元基因组纳米孔测序检测病原体. 它可以准确地识别食品和其他样本中的病原体,有助于疫情调查和公共卫生.
科学领域:
- 微生物学 微生物学
- 生物信息学是一种生物信息学.
- 基因组学就是基因组学.
背景情况:
- 食物传播的病原体导致了全球重大健康问题,每年影响数百万人.
- 微生物学分析对于在食品传播疫情调查期间识别病原体至关重要.
- 超基因组方法与纳米孔测序相结合,可以快速检测病原体,但缺乏可访问的管道.
研究的目的:
- 开发和验证PathoGFAIR,一个用户友好的,符合FAIR的病原体识别和跟踪工作流程.
- 解决 (元) 基因组病原体分析中可访问的生物信息管道的需求.
主要方法:
- 开发了PathoGFAIR,这是一个基于银河系的FAIR工作流的集合.
- 利用从元基因组纳米孔序列数据中检测病原体的最先进的工具.
- 在各种实验条件下,对130个不同样本进行了工作流程测试.
主要成果:
- 在130个测试样本中,PathoGFAIR成功检测出该物种的预期病原体,在130个测试样本中排名第129.
- 该工作流在不同的主机和实验条件中显示出有效性.
- 在具有足够病原体负载的样本中发现了更高的分类学等级.
结论:
- 病原GFAIR在物种和亚种层面准确地识别病原体,在样品类型和制备方法中证明强大.
- 工作流程易于使用,适应性强,可用于各种病原体检测场景.
- 病理GFAIR增强了用于公共卫生监测的元基因组纳米孔测序的应用.
相关概念视频
Genomics
Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
Methods of Classification and Identification
Bacterial identification relies on a diverse array of techniques to classify and understand microorganisms, each tailored to uncover specific characteristics. Traditional morphological approaches, while still valuable, are limited for closely related or structurally simple organisms. Modern methods integrate biochemical, serological, genetic, and advanced molecular tools to achieve greater accuracy.Morphological and Biochemical TechniquesMorphological characteristics, such as cell shape and...
Modern Molecular Taxonomy
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...
Evolution of Microbial Genome
Microbial genome evolution is a highly dynamic process shaped by continual gene gain and loss across species and strains. This genomic flexibility allows microorganisms to adapt rapidly to environmental pressures and interactions with other organisms. Central to understanding this diversity is the distinction between the core and pan genomes.The core genome comprises the genes shared by all sampled strains of a species, representing essential functions needed for fundamental cellular processes.
Investigation of Disease Outbreaks
Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...
Rapid Identification of Pathogens
MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...


