相关实验视频
Updated: Aug 12, 2026
10:34
Ultra-long Read Sequencing for Whole Genomic DNA Analysis
Published on: March 15, 2019
22.8K
通过使用独立于培养的长读全基因组测序来推进动物结核病监测
Giovanni Ghielmetti1,2, Johannes Loubser1, Tanya J Kerr1
1Division of Molecular Biology and Human Genetics, South African Medical Research Council Centre for Tuberculosis Research, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa.
Frontiers in microbiology
|December 11, 2023
概括
文化独立的全基因组测序为追踪动物结核病提供了更快,更安全的方法. 这种方法可以在没有长时间培养的情况下准确地描述非洲水牛中的Mycobacterium bovis菌株.
科学领域:
- 兽医微生物学 兽医微生物学
- 基因组学就是基因组学.
- 传染病流行病学 传染病流行病学
背景情况:
- 由Mycobacterium bovis引起的动物结核病对牲畜和野生动物构成全球威胁.
- 目前的监测依赖于基于培养的方法,这些方法缓慢,昂贵,并带来生物安全风险.
- 了解M. bovis的传播需要有效的基因组表征.
研究的目的:
- 评估非洲水牛中M. bovis流行病学的文化独立的长读全基因组测序 (WGS).
- 为了比较牛津纳米孔自适应采样 (NAS) 与传统的Illumina WGS用于无培养的基因组变异检测.
- 评估安普利康序列测序对识别菌根菌的有用性,包括非结核物种.
主要方法:
- 直接从非洲水牛组织中提取DNA.
- 文化独立的牛津纳米孔适应性采样 (NAS) 为WGS.
- Illumina WGS 在培养提取物上进行比较.
- 16S rRNA和家政基因的培养独立安普利康测序.
主要成果:
- 使用直接组织DNA从NAS进行测序的质量与培养衍生的DNA相当.
- 纳斯和Illumina技术产生了类似的测序质量.
- 开发了一种新的,具有成本效益的方法,用于文化独立的基因组重建.
结论:
- 文化独立的NAS为M. bovis WGS.提供了一个可行的,高效的替代方案.
- 这种方法加速了基因组监测和动物结核病的流行病学研究.
- 该技术提供了准确的基因组重建,而不需要样本培养.
相关概念视频
02:54Evolutionary Relationships through Genome Comparisons
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...
01:29Modern 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...