ASVmaker:一种新的工具,用于改善对幅测序数据的分类学识别
Clément Plessis1,2, Thomas Jeanne1,2, Antoine Dionne3
1Institut de Recherche et de Développement en Agroenvironnement, Québec, QC G1P 3W8, Canada.
Plants (Basel, Switzerland)
|November 14, 2023
概括
ASVmaker通过创建自定义参考数据库,提高了对片测序数据的分类学赋值准确度. 该工具可以提高生物医学,环境和农业研究的识别精度.
科学领域:
- 生物信息学是一种生物信息学.
- 基因组学就是基因组学.
- 计算生物学 计算生物学
背景情况:
- 高通量安普利康测序数据需要对各种应用进行准确的分类学赋值.
- 目前的识别方法受到序列长度和计算过程的限制,影响精度.
- 生态研究往往受益于基于共识的识别,而不是不确定的单一任务.
研究的目的:
- 介绍ASVmaker,这是一个创新的工具,用于生成定制参考数据库,以提高分类学赋值的准确性.
- 为了提高安普利康序列数据识别的精度,用于特定的应用.
- 为在现有数据库不足的情况下创建全面的基因特定数据库提供多功能解决方案.
主要方法:
- ASVmaker使用公开可用的参考数据和原料特定序列.
- 它生成了定制的参考数据库,适用于AMPLCON测序库.
- 该工具可以与来自SILVA和UNITE数据库的预训练分类器集成,用于分类学赋值.
主要成果:
- ASVmaker有助于创建精确,定制的参考数据库.
- 该工具增强了从amplicon测序数据的分类学赋值的准确性.
- 它支持新型研究领域的基因特定数据库的生成.
结论:
- ASVmaker为安普利康测序的分类学分配提供了显著的进步.
- 该工具解决了当前识别方法的局限性,特别是对于生态和特定基因研究.
- ASVmaker提高了生物医学,环境和农业研究领域的数据可用性和可靠性.
相关概念视频
02:35RACE - Rapid Amplification of cDNA Ends
Rapid Amplification of cDNA Ends, or RACE, is one of the most effective methods to obtain a full-length cDNA from an mRNA sequence between a known internal region to the unknown sequence at the 5’ or 3’ end. The unknown region is cloned in the cDNA by a gene-specific primer that binds the known end, and a hybrid primer that attaches a predefined anchor sequence to the unknown end of the cDNA. The sequence in between is amplified by PCR with an anchor primer and a gene-specific primer.
Since the...
Since the...
01:57Sanger Sequencing
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...
03:00Next-generation Sequencing
The first human genome sequencing project cost $2.7 billion and was declared complete in 2003, after 15 years of international cooperation and collaboration between several research teams and funding agencies. Today, with the advent of next-generation sequencing technologies, the cost and time of sequencing a human genome have dropped over 100 fold.
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features.
Next-Generation Sequencing Methods
Although all next-generation methods use different technologies, they all share a set of standard features.
03:36Genome Annotation and Assembly
The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
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...
01:20Applications of Molecular Taxonomy
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...