OctopuSV和TentacleSV:一个一站式工具包,用于多样本,跨平台的结构变异比较和分析.
Qingxiang Guo1, Yangyang Li1, Ting-You Wang1
1Department of Urology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, United States.
Bioinformatics (Oxford, England)
|October 31, 2025
概括
OctopuSV和TentacleSV通过纠正模两可的注释和自动化工作流来改善结构变体 (SV) 分析. 这些工具增强了对没有编程专业知识的研究人员的变异检测和比较研究.
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.
- 计算生物学 计算生物学
背景情况:
- 结构变异 (SV) 对基因调节和疾病至关重要,但由于注释不一致和工作流程碎片化,难以跨平台整合.
- 模两可的断点 (BND) 标注经常丢失,阻碍了变体表征,而现有的工具缺乏精确的变体识别的必要合并功能.
- 目前的SV分析管道需要人工干预和复杂的调整,影响可重复性和可扩展性,需要改进临床实用性的方法.
研究的目的:
- 开发新的计算工具,OctopuSV和TentacleSV,用于增强结构变体 (SV) 分析.
- 解决SV调用集成,注释模糊性和工作流碎片化的局限性.
- 为没有专门编程技能的研究人员提供复杂的 SV 分析.
主要方法:
- OctopuSV 包含一个 BND 校正模块,用于将模两可的注释标准化为正规的 SV 类型.
- OctopuSV提供先进的设置操作,用于灵活的变体过和特定样本的SVs的识别.
- TentacleSV自动化了从原始测序数据到高可靠性调用集的 SV 分析管道,确保可重复性.
主要成果:
- 通过纠正模两可的BND注释,OctopuSV可以恢复被忽视的变体.
- 在OctopuSV中,先进的集合操作可方便复杂的变体过,以识别疾病特异性或群体特异性SV.
- 基准测试表明,与现有的工具相比,OctopuSV和TentacleSV在短读和长读平台上实现了更高的性能 (F1分数,SV类型一致性).
- 综合框架使复杂的比较性SV研究,如癌症亚型分析,而不需要编程专业知识.
结论:
- OctopuSV和TentacleSV显著提高了结构变异分析的准确性,解释性和临床实用性.
- 这些工具使先进的 SV 分析实现了民主化,使研究人员能够进行复杂的研究,提高可复制性和可扩展性.
- 开发的框架解决了 SV 集成和表征的关键差距,为更强大的基因组研究和诊断铺平了道路.
相关概念视频
02:26Comparing Copy Number Variations and SNPs
18.6K
Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
18.6K
02:51Multi-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
01:05Single Nucleotide Polymorphisms-SNPs
17.9K
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
17.9K
01:57Sanger Sequencing
773.0K
DNA sequencing is a fundamental technique that is routinely used in the biological sciences. This method can be applied to a range of questions at different scales - from the sequencing of a cloned DNA fragment or the study of a mutation in a gene up to whole-genome sequencing. However, despite the widespread use of sequencing today, it was not until 1977 that Fredrick Sanger and his collaborators developed the chain-termination method to decode DNA sequences. It relies on the separation of a...
773.0K