In Silico 对细菌全基因组测序试验的变异调用方法的评估
Yee Mey Seah1, Mary K Stewart1, Daniel Hoogestraat1
1Department of Laboratory Medicine and Pathology, University of Washington Medical Center, Seattle, Washington, USA.
Journal of clinical microbiology
|July 10, 2023
概括
这项研究引入了一个in silico工作流程,以验证细菌变异调用. 该方法准确识别单核酸多态 (SNP) 和indels,改进细菌病原体的基因组分析.
科学领域:
- 基因组学就是基因组学.
- 生物信息学是一种生物信息学.
- 微生物学 微生物学
背景情况:
- 全基因组测序对于分析细菌菌株至关重要.
- 目前的变异调用方法缺乏对平分体基因组的验证.
研究的目的:
- 开发和验证用于生成合成细菌测序的in silico工作流.
- 用这些合成数据集来评估变量调用者的表现.
主要方法:
- 创建了一个in silico工作流程,将SNP和indel引入参考细菌基因组.
- 合成测序读数是从突变基因组计算生成的.
- 用这些合成读数作为真相集来评估多个变异调用者.
主要成果:
- 插入对变体调用者来说比删除和SNP更具挑战性.
- 使用软剪切读取和局部调整的变异调用者显示高精度和回忆为1-50bp插入和删除.
- 对于其他方法的插入大于20bp的插入,观察到更低的回忆率.
结论:
- 开发的in silico工作流提供了一种可靠的方法来验证细菌变异调用.
- 准确识别插入和删除对于全面的细菌基因组分析至关重要.
- 需要优化变量调用策略,以更好地检测更大的插入.
更多相关视频
09:34Targeted Next-generation Sequencing and Bioinformatics Pipeline to Evaluate Genetic Determinants of Constitutional Disease
Published on: April 4, 2018
33.8K
11:35Screening for Functional Non-coding Genetic Variants Using Electrophoretic Mobility Shift Assay EMSA and DNA-affinity Precipitation Assay DAPA
Published on: August 21, 2016
13.0K
相关概念视频
Modern Molecular Taxonomy
53
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...
53
Evolutionary Relationships through Genome Comparisons
5.8K
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...
5.8K
